HO CFR  Part 193
    Environmental  Radiation Standards
p~- for Management and  Land Disposal
;   of Low-Level  Radioactive Wastes
                                                           EPA 520/1-87-012-2
V
                  DRAFT  ENVIRONMENTAL IMPACT STATEMENT


                                    VOLUME 2


                           Economic  Impact Assessment
                     Low-Level  and NARM Radioactive  Wastes
                                   August 1987


                      U.S.  Environmental  Protection Agency
                           Office of Radiation Programs
                             Washington,  D.C.  20U60
                        U.S. Environmental Protection Agency
                        Region 5, Library (PL-12J)
                        77 West Jackson Boulevard, 12th Floor
                        Chicago, IL  60604-3590

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ACKNOWLEDGEMENTS
     This report was prepared  by  Putnam, Hayes 6  Bartlett,  Inc. under
contract  to  the U.S.   Environmental  Protection   Agency  (EPA)  Office  of
Radiation   Programs.    Neither   the  EPA   nor   any   of  its   employees,
contractors,   subcontractors,  or  their   employees  makes  any   warranty,
expressed or  implied, or assumes any legal  liability or responsibility for any
third party's  use or  the results of such use of any information,  apparatus,
product, or process  disclosed  in  this report, or represents that  its use  by
such third party would not infringe  on privately owned rights.

     Publication of  the  data  in  this  document  does not  signify  that  the
contents  necessarily  reflect  the joint or  separate  views  and policies of  each
sponsoring agency.   Mention  of  trade  names  or  commercial products  does
not constitute endorsement or  recommendation for  use.

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TABLE OF CONTENTS
Chapter                                                             Page

    1       EXECUTIVE SUMMARY                                     1-1
              Background                                            1-1
              Summary of Proposed Rule                              1-3
              Summary of Results                                     1-7

    2       INTRODUCTION                                           2-1
              Regulatory and Legal Framework                         2-2
              Regulatory Objectives                                   2-7
              Scope of Analysis and  Organization
                of the  Report                                         2-8

    3       METHODOLOGY
              Overview                 "                              3-1
              Waste Definition                                         3-3
              Disposal  Practice  Definition                             3-11
              Hydrogeologic/Climatic  Setting Definition                3-16
              Estimation of Cost                                     3-18
              Estimation of Population Health Effects                  3-31
              Calculation of Cost-Effectiveness                        3-37
              Definition and Estimation of CPC  Dose
                and CPC Risk                                       3-39
              Definition of Base Case - Current Practice             3-56

    4       SELECTION OF  REGULATORY ALTERNATIVES              4-1
              Form of the LLW  and BRC Standards                    4-1
              Choice of Standards for Analysis                        4-3

                                    ii

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Chapter                                                            Page

   5       CHARACTERIZATION OF LOW-LEVEL
           RADIOACTIVE WASTE                                     5-1
              Estimated Volume of LLW:  1985-2004                    5-2
              Waste  Characteristics and NRC
                Classification                                         5-9

   6       CHARACTERIZATION OF NARM AND IMPACT
           ANALYSIS OF A NARM LIMIT                              6-1
              Characterization of Discrete NARM
                Sources  for Further Analysis                          6-4
              State  Regulation of NARM and Current
                 Disposal Practice                                   6-11
              Final Cost-Effectiveness Analysis and
                Evaluation of NARM Limits                           6-21

   7       ECONOMIC  IMPACTS  OF ALTERNATIVE BRC CRITERIA      7-1
              Introduction                                           7-1
              Results of the BRC Analysis                            7-6
              Sensitivity  Analysis                                    7-32
              Summary of Economic Impacts  for
                BRC Standards                                      7-42

   8       RESULTS OF LOW-LEVEL WASTE STANDARDS
           ANALYSIS                                                8-1
              Introduction                                           8-1
             -Results From  the Analysis of Regulated
                Disposal Costs and Health Effects
                for  Commercial LLW and NARM                        8-6
              Economic  Impact of Alternative Standards               8-26
              Sensitivity  Analysis                                   8-33
                                   in

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Chapter

    9
DISCUSSION OF OTHER PARTS OF
THE  STANDARD
   Proposed Croundwater Standards
   Proposed Predisposal Management Standard
   Proposed Effective Date of the Standards
                                                                  9-1
                                                                  9-1
                                                                  9-8
                                                                 9-10
   10
DISTRIBUTIONAL IMPACTS
   Impacts of the Standards Package
   Identification of Industries Bearing
     the Impacts
10-1
10-2

10-U
Appendix
           WASTE VOLUME PROJECTIONS
              Twenty-Five Low-Level Wastes
              Two LLW Substreams
              Two Consumer Wastes
              Six NARM Wastes
              BIOMED Wastes
              DOE Waste Volume
                                                      Page

                                                       A-1
                                                       A-2
                                                       A-7
                                                       A-7
                                                       A-8
                                                       A-9
                                                      A-10
   B
UNREGULATED DISPOSAL OPTION  WEIGHTINGS
B-1
           COST OF REGULATED AND UNREGULATED  DISPOSAL       C-1
              Unregulated Disposal Costs                             C-3
              Regulated Disposal Costs                              C-12
                                  iv

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Appendix                                                       Page

   D      DERIVATION OF MAXIMUM  CPC DOSE FOR THE
          BRC ANALYSIS                                        D-1
             Structure of the PATHMAX Model                      D-1
             Inputs to the PATHMAX  Model                         D-2
             PATHMAX Methodology                                D-2
             Evaluation of Key Assumptions                         D-3

   E      DISCOUNTING  BENEFITS                                E-1
             Background                                         E-1
             Selection of Cases for Sensitivity Analysis               E-2
             Methodology                                         E-3
             Results                                             E-5

   F      BACKUP COST/RISK AND COST-EFFECTIVENESS TABLES   F-1

   C      COSTS. RISKS. AND  IMPACTS FOR DOE WASTE           C-l

   H      PRELIMINARY  ANALYSIS OF NINE  NARM WASTES           H-1
REFERENCES                                                     R-1

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TABLES  AND  FIGURES
 Table                                                               Page

   1-1       Summary of  LLW Alternative Standards  and
               Economic  Impacts                                         1-5

   1-2       Summary of  BRC Alternative  Standards and
               Economic  Impacts                                         1-6

   3-1       Characterization of Low-Level  Waste and NARM               3-6

   3-2       Alternate Disposal Practices for  LLW
               Disposal                                               3-13

   3-3       Salient Characteristics  of Unregulated
               Disposal Practices                                      3-17

   3-1       Disposal Costs by Disposal  Practice                        3-22

   3-5       Packaging Cost Data                                       3-23

   3-6       Processing Cost per Cubic  Meter of Untreated
               Waste                                                 3-21

   3-7       Volume Increase Factors                                   3-27

   3-8       Transportation Costs per Cubic  Meter
               Assuming No Processing                                3-30

   3-9       Unit Cost and  Weighting by Waste Category
               for Unregulated Disposal Practices                      3-32
                                    vi

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Table                                                              Page

 3-10      Analysis of CPC Risks from Regulated
             Disposal - PRESTO-CPC  Scenarios                       3-42

 3-11      CPC Scenarios  for Analysis  of  Unregulated
             Disposal Practices  Using  PATHRAE                      3-49

 5-1      Projected Commercial  LLW by Region,  1985-2004              5-3

 5-2      Projected DOE  LLW Volume by  Region, 1985-2004             5-8

 5-3      Waste Form, Activity,  and Class  of Commercial
             LLW                                                    5-10

 6-1      Regional Volumes and Waste Form for  Final
             Analysis of  Discrete NARM Wastes                        6-8

 • 6-2      Radionuclide  Content  for  Final  Analysis of
             Discrete NARM Wastes  Including Selected
             Substreams                                              6-9

 6-3      1986 Legal and Regulatory Status of  NARM
             Wastes by State                                        6-13

 6-4      Costs and Population  Risks  of  Regulated and
             Unregulated Disposal of  Six NARM Wastes                6-22

 6-5      Cost-Effectiveness of Regulation  for Six
             NARM Wastes by Hydrogeologic Region                   6-24

 6-6      Economic Impacts of Alternative NARM Standards:
             Base Case  1                                            6-27
                                  vii

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Table                                                               Paqe
 6-7      Economic  Impacts of Alternative NARM Standards:
             Base Case 2                                            6-28

 7-1      Costs and Population Risks of Regulated
             and Unregulated Disposal of BRC Surrogates             7-7

 7-2      Cost-Effectiveness  of Regulation for BRC
             Surrogates by Hydrogeologic Region                     7-8

 7-3      Contribution to  Maximum  CPG  Dose  by
             Waste and  Region                                       7-10

 7-a      Evaluation of Alternative  BRC Criteria
             for Commercial LLW  Assuming Implicit
             Implementation on a  National Basis                      7-14

 7-5      Evaluation of Alternative  BRC Criteria for
             Commercial LLW  Assuming  Explicit
             Implementation on a  National Basis                      7-15

 7-6      Evaluation of Alternative  BRC Criteria for
             Commercial LLW  Assuming  Implicit
             Implementation on a  Regional Basis                      7-17

 7-7      Evaluation of Alternative  BRC Criteria for
            .Commercial LLW  Assuming  Explicit
             Implementation on a  Regional Basis                      7-18

 7-8      Limiting Wastes  and Exposure  Scenarios for
             Compliance with  Alternative BRC
             Criteria  Under Nationai-impiicit
             Implementation                                         7-22
                                  viii

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Table                                                               Page

 7-9      Limiting  Wastes and Exposure Scenarios for
             Compliance with Alternative BRC Criteria
             Under National-Explicit Implementation                   7-23

 7-10      Evaluation of Alternative BRC  Criteria for
             Commercial and  DOE  LLW Assuming Implicit
             Implementation  on a National Basis                       7-21

 7-11      Evaluation of Alternative BRC  Criteria for
             Commercial and  DOE  LLW Assuming Explicit
             Implementation  on a National Basis                       7-26

 7-12      Evaluation of Alternative BRC  Criteria for
             Commercial and  DOE  LLW Assuming Implicit
             Implementation  on a Regional Basis                      7-28

 7-13      Evaluation of Alternative BRC  Criteria for
             Commercial and  DOE  LLW Assuming Explicit
             Implementation  on a Regional Basis                      7-30

 7-1U      Distribution of Cross  Concentration in LWR
             Compactable Trash Waste Streams                       7-35

 7-15      Aggregate Economic Impacts of 4 MREM Standard
             by  Implementation Assumption                           7-43

 8-1      Disposal Practices for LLW  Disposal                          8-7

 8-2      Contribution to  Total  Population  Health
             Effects by Class of Waste and  Hydrogeologic
             Region for 10 CFR 61 Disposal                          8-20
                                   ix

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Table                                                               Page

 8-3      Maximum CPC Doses for 17 LLW  Disposal
             Practices  by Hydrogeologic Region                      8-23

 8-U      Impacts of Alternative LLW Standards Assuming
             Implicit Implementation  on  a National Basis               8-28

 8-5      Impacts of Alternative LLW Standards Assuming
             Implicit Implementation  on  a National
             Basis,  Including  DOE Waste                             8-31

 8-6      Disposal Options on  the Efficient Frontier and
             Least-Cost Compliance Curve                            8-38

 8-7      Impacts of Alternative LLW Standards Assuming
             Implicit Implementation  on  a Regional Basis              8-UO

 8-8      Impacts of Alternative LLW Standards Assuming
             Explicit Implementation  on  a National Basis               8-41

 8-9      Impacts of Alternative LLW Standards Assuming
             Explicit Implementation  on  a Regional Basis              8-43

 8-10      Impacts of Alternative LLW Standards Assuming
             Implicit Implementation  on  a National Basis,
             Excluding NARM  Waste                                  8-18

 8-11      Impacts of Alternative LLW Standards at
             Different  Rates of Discount Under National-
             Implicit Implementation                                  8-50

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Table                                                              Page

 8-12      Sensitivity Analysis of CPC Dose Estimates by
             Region for  10  CFR 61 Disposal                          8-51

 8-13      Impacts of Alternative  LLW Standards Under
             Different Implementation Assumptions:
             Compact  Reassignment Case 1                           8-5U

 8-T»      Impacts of Alternative  LLW Standards Under
             Different Implementation Assumptions:
             Compact  Reassignment Case 2                           8-55

 A-1      Correspondence Between Selected EPA and NRC
             Waste Categories                                       A-12

 A-2      Nuclear Waste  Stream Generation  Rates                     A-13

 A-3      Plant Capacity and  On-Line Dates                         A-17

 A-t»      Historical Institutional  LLW Waste Generation               A-20

 A-5      Historical Industrial LLW Waste Generation                 A-21

 A-6      Projected Waste Volume by NRC Waste                     A-22

 A-7      Projected Waste Volume by EPA Waste                      A-26

 A-8      States Included in Each Compact  and Region               A-28

 A-9      Distribution of NARM Wastes by Hydrogeologic
             Region and Compact                                   A-30

                                  xi

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Table                                                              Page

A-10      Weighted Five-Year Averages for Six  Major
             DOE Waste Generators                                  A-31

A-11      "All Other"  Aggregated Volumes                           A-32

A-12      Twenty-Year DOE/Defense  LLW Waste Allocated
             to  Hydrogeologic Region                                A-33

 B-1      Unit Cost and Weighting by Waste Category
             for Unregulated  Disposal Practices                       B-H

 B-2      Cost-Effectiveness of  Regulation:  Humid
             Permeable Region (Municipal Dump)                      B-5

 B-3      Cost-Effectiveness of  Regulation:  Humid
             Impermeable Region (Municipal Dump)                    B-6
                                  *
 B-M      Cost-Effectiveness of  Regulation:  Arid
             Permeable Region (Municipal Dump)                      B-7

 B-5      Cost-Effectiveness of  Regulation: Total  U.S.
             (Municipal Dump)                                       B-8

 B-6      Cost-Effectiveness of  Regulation:  Humid
             Permeable Region (Suburban  SLF
            .Without Incineration)                                    B-9

 B-7      Cost-Effectiveness of  Regulation:  Humid
             Impermeable Region (Suburban SLF
                Without  Incineration)                                 B-10
                                  XII

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Table                                                               Page

 B-8      Cost-Effectiveness of Regulation:   Arid
             Permeable Region (Suburban SLF
             Without Incineration)                                    B-11

 B-9      Cost-Effectiveness of Regulation:   Total U.S.
             (Suburban SLF Without Incineration)                     B-12

B-10      Cost-Effectiveness of Regulation:   Humid
             Permeable Region (Suburban SLF With
             Incineration)                                           B-13

B-11      Cost-Effectiveness of Regulation:   Humid
             Impermeable Region (Suburban SLF With
             Incineration)                                           B-1M

B-12      Cost-Effectiveness of Regulation:   Arid
             Permeable Region (Suburban SLF With
             Incineration)                                           B-15

B-13      Cost-Effectiveness of Regulation:   Total
             U.S.  (Suburban SLF  With  Incineration)                  B-16

B-1U      Cost-Effectiveness of Regualtion:   Humid
             Permeable Region (Urban SLF Without
             Incineration)                                           B-17

B-15      Cost-Effectiveness of Regulation:   Humid
             Impermeable Region (Urban SLF Without
             Incineration)                                           B-18
                                  XIII

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Table                                                               Page

B-16     Cost-Effectiveness of Regulation:  Arid
             Permeable Region (Urban SLF Without
             Incineration)                                           B-19

B-17     Cost-Effectiveness of Regulation:  Total
             U.S.  (Urban SLF Without Incineration)                  B-20

B-18     Cost-Effectiveness of Regulation:  Humid
             Permeable Region (Urban SLF With
             Incineration)                                           B-21

B-19     Cost-Effectiveness of Regulation:  Humid
             Impermeable Region  (Urban SLF With  .
             Incineration)                                           B-22

B-20     Cost-Effectiveness of Regulation:  Arid
             Permeable Region (Urban SLF With
             Incineration)                                           B-23

B-21     Cost-Effectiveness of Regulation:  Total
             U.S.  (Urban SLF With Incineration)                     B-21

 C-1      Summary of BRC Disposal Costs                            C-M

 C-2      Disposal  Costs  for BRC Waste Streams by
            .Compact  Without Incineration                            C-5

 C-3      Disposal  Costs  for BRC Waste Streams With
             Incineration                                            C-8
                                  XIV

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Table                                                               Page

 C-4      Packaging  Cost  Data                                       C-15

 C-5      Processing Costs per Cubic Meter of
             Untreated Waste                                        C-17

 C-6      Volume  Increase Factors                                   C-21

 C-7      Transportation Costs per Cubic Meter
             Assuming No Processing                                C-28

 C-8      Disposal Costs by Disposal  Practice                        C-30

 C-9      Incremental Cost of Compliance                            C-35

C-10      Calculation of Collection Costs                             C-36

C-11      Total Cost of Regulated Shallow  Land
             Disposal.  As Generated                                 C-38

 D-l      PATHMAX  Model                                            D-5

 E-1      Weighted Average Health Effects for
             Five Unregulated Disposal  Methods                       E-7

 E-2      Distribution  of NARM Health  Effects
             .Over Time for  the Total United States                   E-8

 E-3      Distribution  of Health Effects  Over  Time
             for Selected  Regulated Disposal Methods                  E-9
                                   xv

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Table                                                                Page

 E-4       Impacts of Alternative  LLW Standards
             at Different  Rates of Discount Under
             National-Implicit  Implementation                          E-10

 E-5       Impacts of Alternative  BRC Standards at
             Different  Rates of Discount  Under
             National-Implicit  Implementation                          E-11

 E-6       Discounted Cost and Health  Effects for
             NARM  Waste Streams                                    E-12

 F-1       Cost-Effectiveness of Regulation:  Humid
             Impermeable  Region                                       F-3

 F-2       Cost-Effectiveness of Regulation:  Humid
             Permeable  Region                                        F-H

 F-3       Cost-Effectiveness of Regulation:  Arid
             Permeable  Region                                        F-5

 F-4       Cost-Effectiveness of Regulation:  Total U.S.                F-6

 F-5       Total Health  Effects and Costs  for Alternative
             Disposal Methods:   Humid  Impermeable
             Region                                                  F-7

 F-6       Total Health  Effects and Costs  for Alternative
             Disposal Methods:   Humid  Permeable
             Region                                                  F-8
                                  XVI

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Table                                                                Page

 F-7      Total Health Effects  and Costs for Alternative
             Disposal Methods:   Arid  Permeable Region                 F-9

 F-8      Total Health Effects  and Costs for Alternative
             Disposal Methods:   Total U.S.                           F-10

 F-9      Health Effects and Disposal  Costs for
             Unregulated Suburban Sanitary Landfill,
             Without  Incineration                                    F-11

 F-10     Health Effects and Disposal  Costs for
             Unregulated Suburban Sanitary Landfill,
             With Incineration                                        F-12

 F-11     Health Effects and Disposal  Costs for
             Unregulated Urban  Sanitary  Landfill,
             Without  Incineration                                    F-13

 F-12     Health Effects and Disposal  Costs for
             Unregulated Urban  Sanitary  Landfill,
             With Incineration                                        F-U

 F-13     Health Effects and Disposal  Costs for
             Unregulated Municipal Dump                             F-15

 F-1U     Health Effects and Disposal  Costs for
             10 CFR  61  Disposal Technology                         F-16

 F-15     Summary  of Unit  Volume Health Effects
             for Humid  Impermeable Region                          F-17
                                   XVII

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Table

 F-16
Summary of Unit  Volume Health  Effects
   for  Humid Permeable Region
                                                         Paqe
                                                                   F-31
 F-17      Summary of Unit  Volume Health  Effects
             for  Arid Permeable  Region
                                                         F-44
 F-18      LLW and BRC Waste Nuclide  Concentration
             Matrix
                                                         F-57
 G-1      Total  Costs  and Health  Effects for  DOE
             Waste Disposal
                                                          C-5
 G-2      Evaluation of Alternative BRC Criteria for
             Commercial and DOE LLW Assuming Implicit
             Implementation on a National  Basis

 C-3      Evaluation of Alternative BRC Criteria for
             Commercial and DOE LLW Assuming Explicit
             Implementation on a National  Basis
                                                          G-6
                                                          C-8
 G-4      Evaluation of Alternative BRC Criteria for
             Commercial and DOE LLW Assuming Implicit
             Implementation on a Regional Basis
                                                         G-10
 G-5      Evaluation of Alternative BRC Criteria for
             Commercial and DOE LLW Assuming Explicit
             Implementation on a Regional Basis
                                                         G-12
                                 XVIII

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Table                                                              Page

 C-6      Impacts of Alternative LLW Standards
             Assuming  Implicit  Implementation  on a
             National Basis, Including  DOE Wastes                   G-1U

 C-7      Impacts of Alternative LLW Standards
             Assuming  Implicit  Implementation  on a
             National Basis                                         G-16

 C-8      Impacts of Alternative LLW Standards
             Assuming  Implicit  Implementation  on a
             Regional Basis                                         G-18

 G-9      Impacts of Alternative LLW Standards
             Assuming  Explicit  Implementation  on a
             Regional Basis                                         G-19

 H-1      Initial  Segmentation of NARM Waste  for
             Scoping Analysis                                        H-U

 H-2      Salient Characteristics of Nine  NARM
             Wastes                                                 H-6

 H-3      Preliminary Costs, Risks, and  Cost-
             Effectiveness of Regulated Versus
             Unregulated Disposal  of Nine NARM
             Wastes                                                 H-7

 H-4      Maximum CPG Dose by Region  for Unregulated
             Disposal of Nine NARM Wastes                           H-8
                                  XIX

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Figure                                                                Page

  8-1       Waste Volume by Region and Class                           8-5

  8-2       Waste Volume by Region and Compact                       8-10

  8-3       Distribution of Total Waste  Activity                         8-11

  8-4       Variation in Total Disposal  Cost                             8-13

  8-5       Cost Components by Disposal Method                        8-1U

  8-6       Contribution to  Total Cost by Waste                         8-16

  8-7       Variation in Population  Health Effects
              By Disposal Practice                                     8-17

  8-8       Variation in Population  Health Effects
              By Time and Disposal  Option                             8-18

  8-9       Contribution to  Total Population  Health
              Effects  by Waste                     .                   8-21

 8-10      Maximum CPC  Dose Versus  Disposal Cost                    8-25

 8-11       Cost-Effectiveness of Disposal                               8-36

 8-12      Alternative Implementation Assumptions                      8-U5
                                   xx

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EXECUTIVE SUMMARY                                           Chapter 1

BACKGROUND

     Under  the  authority granted by the Atomic Energy  Act  of  1954  (AEA)
and  Reorganization  Plan  #3  of  1970,  the  U.S.   Environmental  Protection
Agency (EPA)   is  proposing  a  generally  applicable environmental standard
for radiation exposure  from  the  land  disposal of low-level radioactive waste
(LLW).    This   standard   includes  several   separate,   individual  parts:  a
general public  exposure  disposal  standard,  a  standard  for  predisposal
management,  a  groundwater  protection   standard,  a   "Below   Regulatory
Concern"  (BRC)  criterion  for  radiation  exposure  from  the   unregulated
disposal of very low activity  LLW, and, under  the Toxic  Substances  Control
Act  (TSCA),   limits   for   the   regulated   disposal   of  certain  non-AEA
radioactive  wastes containing  naturally-occurring or  accelerator-produced
radioactive materials (NARM).

     LLW  is defined  as  all  manmade  radioactive waste except high-level
waste, spent nuclear fuel, transuranic  waste, and uranium  and  thorium mill
tailings.   Depending  on the waste source, disposal of LLW is regulated by
either  the  Nuclear  Regulatory  Commission  (NRC) or  the  Department  of
Energy  (DOE)  in  accordance   with   EPA's  standard.    NARM  waste  is
extremely  diverse and  includes  items  such   as mining  wastes,  medical
radiation  sources, and  luminescent  instrument dials.  All types of NARM
waste  contain   naturally-occurring  radionuclides,  principally uranium-238,
thorium-232, and  radium-226.   NARM  waste  is  currently unregulated  by
Federal authorities and is regulated  to  different degrees  by State agencies.
                                    1-1

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From  1985  to 2004, EPA estimates that 2,900,000  cubic meters of LLW will be
generated  by commercial sources,  as well  as 1,800,000 cubic meters  from
DOE sources.   It is  estimated  that the amount of NARM waste found to be
appropriate for  regulation  at  this  time will  be  approximately  6,600 cubic
meters over the same 20-year period.

Economic Impact Assessment

     The  purpose of this Economic Impact  Assessment (EIA) is to quantify
the costs  and benefits of EPA's proposed standards.   Cost  is defined as the
incremental cost of disposal  practices  (in  comparison to current  practice)
required  to  comply  with  the  standards,   including  costs  for  packaging,
processing, transporting, and  disposing low-level waste.  These costs, as
shown in  this  summary and  in the main analysis, are discounted  at  a 10
percent real rate over  the  20-year operating period  of a  disposal  facility,
and   are   expressed   in 1985  constant  dollars.   Benefits  include  both
reductions in general population  health effects (expected fatal cancers  and
first generation genetic  effects) estimated over 10,000  years,  and reductions
in the maximum  annual  dose to a  member  of the  Critical  Population Croup
(CPC).  Population health  effects  have not  been discounted.   Compliance
with  EPA's standards is defined in  terms  of the expected effective whole
body  dose-equivalent (in millirems  per year) to a  member of the CPC.

     The  EIA focuses on the economic impacts associated with 'the  disposal
of commercial  LLW and  NARM under alternative standards for which  detailed
cost and  risk  analyses were conducted.   While  EPA's  proposed  standards
will also apply  to  DOE  LLW, a detailed analysis of  these  impacts  was not
performed  due.to limitations in  the  data available to characterize DOE waste.
However,  impacts on  DOE  waste  were calculated  for comparison  purposes
using  EPA assumptions.   These  EPA assumptions treat  DOE waste as if it
were  closely  analogous to commercial waste  (see Appendix C). -  -
                                    1-2

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SUMMARY OF PROPOSED RULE

     EPA's Proposed Rule includes the following three  principal parts:

     1.    LLW Disposal Standard:  EPA is  proposing that  regulated disposal
          of  manmade   LLW  should  comply  with  a   generally  applicable
          exposure standard  of 25 millirem  per year  to  a member of  the
          CPC.

     2.    BRC  Criterion:  EPA is proposing that exposures  of  less than  1
          millirem  per  year to a member of the CPC are "Below  Regulatory
          Concern."  Wastes for which  unregulated  disposal results  in  CPC
          exposures of less than  U  millirem per year are thus deemed  to be
          suitable  for  disposal  without regard to their  radionuclide content.

     3.    NARM  Limits:   EPA is  proposing  to  regulate  the  disposal  of
          higher    activity   naturally-occurring   or   accelerator-produced
          radioactive   material   wastes  whose  specific  activity   exceeds  2
          nanocuries per gram (2 nCi/g), with the exception of a few NARM
          wastes  which are specifically  excluded.   Disposal of NARM wastes
          that  exceed  these   limits   is  subject  to  a  generally  applicable
          exposure standard  of 25 millirem  per year  to  a member of  the
          CPC.

     EPA  is  also  proposing two  other  components of  the  Proposed  Rule.
These  are a groundwater contamination standard  expressed  as  an annual
CPC dose limit  and  graded  by  aquifer  class,  and  a  predisposal  waste
management  standard.   Two  separate   options  are  proposed  for   the
groundwater  protection standard.  Under Option  I, no  degradation would be
permitted   for  Class   I  aquifers   (generally,  essential  community   water
supplies);  high  yield  (over 10,000  gallons per day) Class II  aquifers  would
be  subject to a 4  millirem  per year  exposure  limit;  and Class II low yield
and  Class III  aquifers (generally,  non-potable water supplies)  would be

                                   1-3

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included in the 25 millirem per year  disposal exposure  limit.   Under  Option
II,  no degradation would be  permitted for Class I  aquifers; all Class  II and
Class  III  aquifers  would  be subject to  a  4  millirem  per year  exposure
limit.    Under  the  predisposal   management  portion  of  the  standard,
cumulative exposure to the  CPC  from  all pathways from  radioactive  waste
management operations  occurring  prior to disposal  and managed by  DOE  or
licensed  by the NRC would be limited to 25 millirem per  year.   Finally, EPA
is  proposing  that  the  standards  become  effective at the  time  a  commercial
facility  is  licensed or relicensed,  and,  for DOE facilities,  three years after
promulgation of the standard.

Summary of Regulatory Alternatives

     Summarized  in  Table   1-1   are  the five  alternative  LLW  standards
considered in the ElA, along with  the economic impacts associated with  the
four  implementation  assumptions.    The  five alternative  LLW  standards
include CPC  levels of 125,  75, 25, 10, and 4 millirem per year.  Summarized
in   Table  1-2  are  the  five  alternative  BRC   criteria  considered and  the
economic  impacts  associated   with  each  of  these  alternatives.   The  five
alternative BRC criteria include  CPG levels of  15, 4, 1, 0.1, and 0 millirem
per year.  The economic  impacts  are  reported  for four different assumptions
regarding  implementation of  the  LLW standard and BRC  criterion  by  DOE
and  NRC.   National  implementation implies that a single disposal  technology
is  used  at all  sites  nationwide,  while   Regional  implementation  allows  for
different  disposal  technologies,   depending  on  hydrogeologic  conditions.
Explicit  implementation  assumes that both population  risk  reduction and CPC
risk are  considered explicitly by  DOE  and  NRC; Implicit  implementation
assumes  that  only CPC  risk  is considered in  order  to  determine  compliance
with the  standard.  Only  two regulatory alternatives  were considered  for
NARM  limits:   the  proposed specific  activity  limit  of 2  nCi/g with   an
exclusion of  specific NARM  wastes  and  a  2   nCi/g specific - activity  limit
without this exclusion.

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SUMMARY OF RESULTS

     The  major  conclusions  of the  Economic  Impact  Assessment  of  EPA's
Proposed  Rule are  presented  below,  followed by a  brief discussion of each.
The  results are  first presented for the three major components of the Rule
-- the LLW standard, the BRC criterion,  and the limits for the regulation
of NARM  wastes.   Croundwater protection and  predisposal  management are
discussed last.

Conclusions Regarding LLW Standard

     1.    The proposed  CPG  exposure  standard   of  25 millirem  per year
          implies the  minimum  use  of a  combination  of conventional  and
          improved shallow land disposal  in  a manner  consistent with NRC
          regulations codified at 10  CFR  61  (assuming one  disposal  method
          is used  nationwide).  Under 10 CFR 61,  the  maximum  dose  to the
          CPG   is   estimated  by non-site-specific  transport and  exposure
          models to range from 0.0009 (in  the arid permeable region)  to 9.2
          millirem  per year (in the humid  permeable region).   Correspond-
          ing  CPC lifetime risks  would  range  from  less  than  0.03  in one
          million to nearly 270 in one million.   The highest CPG  risks would
          be  found  in  the  humid  permeable  region  since water  is the
          primary  pathway of exposure  to humans and  water  transport  is
          most rapid  in this  region.

     2.    In two of  the  three hydrogeologic  regions  studied,  however,  a
          regulated sanitary landfill  technology is  sufficient to meet  the  25
          millipem   per year  standard  if  the NRC   or  DOE  chooses   to
          implement EPA's standard on a  regional  basis (that is, allows the
          disposal  technology  to  vary  to  account for  the   influence   of
          hydrogeologic conditions  on  CPG dose).   Of  course,-trre NRC and
          DOE  must  take into  consideration  many  other factors  that may
          result in  a  sanitary  landfill  design  being  deemed  unsuitable.

                                    1-7

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     These  other  factors   include  considerations  such  as   intruder
     barriers  and  occupational  exposure.  Hence,  the  cost  of EPA's
     rule   depends   strongly   on   both   the  NRC's   and   DOE's
     implementation.   .If  the same  disposal  practice  is  used  for  LLW
     waste everywhere in the country,  the proposed standard  will  cost
     $140  million over  the  current  practice.  This  cost  is attributable
     almost  entirely to DOE waste  and  is  largely  represented  by  the
     differential  between   conventional   shallow  land  disposal   (DOE
     current practice) and  a disposal method very similar to  10  CFR  61
     near-surface technology for the DOE 20-year waste volume.   Note
     that  impacts  on   DOE  waste  were  not  estimated   in detail  but,
     rather,  used  aggregate EPA  assumptions.   Accordingly,  the  $140
     million  cost  estimate  represents  a   rough  approximation  of  the
     expected economic impacts.  Regional implementation,  as mentioned
     above, could save a very  large portion of this cost if DOE chose
     to  implement in this  fashion.   Regional  implementation  could  also
     result  in  a  large   savings   versus  current  practice   for   the
     commercial  sector (NRC,  via   10  CFR 61,  currently  appears  to
     prescribe the  use of one  disposal  practice  nationwide).   However,
     the added  cost  of National implementation, which  requires  better
     engineering design,  may  be  necessary  to  surmount local  siting
     barriers  and to meet  other  regulatory criteria.  Nevertheless,  at
     the proposed  25  millirem  standard.  Regional  implementation could
     result in savings  as high  as  $270  million in  comparison to current
     practice.

3.    Under  the expected  National  implementation scenario, where  the
     cost-effectiveness of  avoiding  population   health  effects  is   not
     explicitly  considered,   a  25  millirem   standard  will  avoid
     approximately  3.2 health  effects (as  opposed to  current practice)
     over  a 10,000-year period.  As with the incremental cests of this
     standard,  these   avoided  health  effects   are  attributable  almost
     entirely  to more  stringent disposal of DOE waste.   Simiiiar  to the
     DOE  cost  estimates,  however, this  estimate  of  avoided  health
                               1-8

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         effects  represents  a  rough approximation of the expected impacts.
         The range in avoided health  effects varies  significantly depending
         on  the  implementation scenario.   Although  Regional implementation
         will  result  in  substantial  cost  savings, as  mentioned above,  as
         many as 150 additional health effects could occur  under this  type
         of implementation.

     4.   Based on  computer  estimates which  reflect  generic  disposal site
         parameters,  exposure standards  lower  than 9.1 millirem per  year
         cannot  be met  in  humid  permeable hydrogeologic  regions  unless
         disposal practices  more  stringent than  near-surface 10 CFR  61
         methods are  employed.

     5.   Since  commercial  LLW generators  regulated  by NRC  are  already
         required  to  use a disposal  practice which  meets  the  25  millirem
         standard  (i.e.,  10  CFR  61), this standard will have no financial
         impact  on  commercial generators.   However,  DOE  facilities  will  be
         affected to  the extent that  current  disposal  practices  must  be
         upgraded to meet the standard.

Conclusions Regarding BRC Criterion

     1.   Alt  of  the  alternative BRC  criteria would  reduce  the regulated
         volume  of   waste  substantially.   Deregulated  volume estimates
         range from  25  percent of  the commercial and DOE LLW  at  a  level
         of  0.1  millirem  per year to 43 percent for  a 15 millirem criterion.
         At the proposed 4 millirem criterion,  34 percent of all LLW could
         be disposed in  an unregulated  fashion.  These numbers could  be
         somewhat different depending on  NRC and  DOE implementation and
         variations  on other waste  management  practices.
                                    1-9

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     2.    Estimates  of  savings   resulting  from  the  deregulation  of  BRC
          wastes  range  from  $490 million  to  $780  million  for  the 15 millirem
          per year  BRC alternative, depending  upon implementation,  to a
          projected  cost of  $1.5  billion  for  a  zero BRC alternative due  to
          the regulation of wastes  that are  currently unregulated (such  as
          consumer  wastes  like   smoke  detectors  and  time   pieces,   and
          biomedicaT waste  deregulated  by the  NRC).   The  savings (which
          are measured  relative to current practice) for both the  commercial
          and DOE  sectors  for  the proposed  4 millirem BRC  criterion are
          projected  to  be  between $490 and $620 million,  again  depending
          upon the  method of implementation.   The corresponding range  of
          additional  health  effects  from a 4 millirem  BRC  criterion is  from
          1.1  to  96  over 10,000  years,  again depending upon the method  of
          implementation.  The method  of implementation  clearly has a  much
          larger  impact on health effects than on  costs.

     3.    The effect of the  proposed  BRC  criterion is to  reduce societal
          costs.   However,  about one-third  of the savings  (for  commercial
          LLW)  results  from  avoided  LLW  transportation.   This  savings
          represents  an   average  loss  of   revenue   to  existing   LLW
          transporters  of  less  than  3.6  percent.   Small  businesses are
          unlikely to be affected  since  LLW disposal  services  are  typically
          provided by large companies.

Conclusions Regarding Limits for  the Regulation of NARM Wastes

     1.    A  2 nanocurie  per gram limit  with  the  proposed   exclusion  of
          specific NARM wastes  would  primarily result  in  the  regulation  of
          two major  NARM  waste  streams  —  radium sources  and radium
          ion-exchange  resins, although  small  numbers of other  items also
          may  be regulated.   Regulation  of these other  items "would not
          significantly affect  the  economic impact estimates.
                                   1-10

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2.    The  cost for  the  20-year  regulated  disposal  of  radium sources
     would  be approximately $3.3  million over the cost of unregulated
     disposal  and would avoid  67  health effects,  which implies a  cost
     per  avoided health  effect of  $50,000.   Considerable  uncertainty
     exists  concerning the disposal  practices that would be  utilized for
     radium sources in  the  absence of any  action on  the  part of  EPA.
     Therefore,  the base  case  against  which to measure the impacts of
     the  regulation  of  these  items  is  also  highly  uncertain.  Actual
     impacts  (with  respect  to  radium  sources)   may  range  anywhere
     from  zero  dollars  and  zero  avoided health  effects  (assuming  all
     sources would  have been  disposed of in a regulated  manner,  even
     in the absence  of  EPA action)  to a  cost  of  $3.3  million and  a
     benefit of  67 avoided  health  effects  over the  next  20  years.  If
     all 67  health effects  were  avoided as a result of EPA's regulation,
     clearly a  favorable tradeoff would result; at a value per avoided
     health effect  of  $50,000  or  more,   radium  sources  would  be
     cost-effective to regulate.   Since  the  regulation  of these items  by
     EPA substantially  increases the certainty that regulated disposal
     will occur,  one could conservatively estimate that even in the  case
     where  only  one  health  effect   would  be  avoided  over   the
     10,000-year  analysis  period,  the  cost-effectiveness ratio would  be
     $3.3 million per  health effect.  That is, given  a  value  per avoided
     health effect of $3.3  million  or  more, radium sources  would  be
     cost-effective to regulate.

3.    Regulated disposal for radium-loaded ion-exchange resins  will  cost
     approximately  $20  million  over the 20-year  period of disposal  and
     will avoid approximately four  health effects relative to  unregulated
     disposal.   These estimates imply  a cost  per avoided health effect
     of $5  million.   As  with radium sources,  the disposal practice for
     ion-exchanging  resins,  absent   EPA   regulations,  1s "uncertain.
     Therefore,   economic   impacts  could   range  from  zero  additional
     costs and avoided  health  effects (assuming all  ion-exchange resins
                               1-11

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          would be disposed of in a regulated manner  in the absence of EPA
          action) to an incremental cost of $20 million  with  a  benefit of four
          avoided health  effects  (assuming all ion-exchange resins would  be
          disposed  of in  an  unregulated fashion).

     U.    The  NARM  limit will  have  a relatively  minor impact on  munici-
          palities that generate radium-loaded ion-exchange resins  as  waste.
          The  impact  on  local small businesses is expected to  be  negligible
          since costs will  be widely distributed.

Conclusions Regarding  Croundwater Protection and  Predisposal Management

     1.    A detailed  quantitative  analysis was not  undertaken  with  respect
          to  the  two  proposed   options  for  the   groundwater  protection
          standard.   However,  incremental   costs  (beyond those  estimated
          for   the  LLW   standard,  BRC  criterion,   and  NARM  limit)   were
          approximated for these  two options.

     2.    Under Option   I, the groundwater  limits  would have  no  additional
          economic  impact on  sites located above Class  III  or Class II, low
          yield aquifers,   since the groundwater CPC dose  would already  be
          limited to less than  25 millirem per  year by the LLW standard.

     3.    The  proposed  groundwater  limit under Option  I could  raise the
          costs of  disposal  site selection  if  a  site  must be  relocated  away
          from  a  Class   I or  Class II  high  yield  aquifer.   Resiting  could
          range  from  $263,000 to  $4.8  million per  site, depending on the
          number of sites considered before an acceptable location  is found;
          or   for   the  15  ultimate sites  nationwide,  the  total   maximum
          incremental cost (over  the LLW  standard)  would be $3.9 million to
          $72  million.   Note that  since the  potential benefit  (tiealth effects
          reduction)  of resiting  away  from   Class  I or  Class II high  yield
                                    1-12

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         aquifers    could    not    be    assessed   quantitatively,    the
         cost-effectiveness  of  the groundwater  limit  under  Option  I also
         could not be determined.

     4.   In  contrast  to  resiting,  the  incremental cost  of  using  more
         expensive  technology  to meet the  groundwater  limits  could  range
         up to  $341  million  per  site  (the incremental cost  of concrete
         canister disposal).  The total national  cost could  range from $2.1
         billion  (if NRC  and  DOE  implement the  standard on  a Regional
         basis) to $5  billion  (if implemented on a National basis).

     5.   The analysis of the  potential impacts  of  the groundwater limits
         under  Options   I  and   II  are  similiar  except  that  while  more
         expensive  disposal technology may not be needed  under Option  I,
         it  is  almost  certainly  required  under  Option  II;   since  the
         groundwater  pathway  controls   the   CPC  dose  in   the   humid
         permeable  region,  a  U  millirem  groundwater  limit would  require
         more  expensive  disposal  technology   (e.g.,  concrete  canister).
         Relative to  10  CFR  61 disposal  practice, the incremental cost
         could  range  from  $2.1  to  $5  billion  (for commercial  and DOE
         sites),   depending  on  whether  the  limit  is  implemented  on  a
         Regional or National basis.

     6.   The costs  and benefits  associated with  the  predisposal management
         part  of  the  standard  have  not   been  explicitly   quantified.
         However,  the costs are believed  to  be extremely small, with the
         associated benefits being  increased  protection  of the  population
         from" radiation exposure.

Aggregate  Economic  Impact of the  Standard

     1.   The combined quantifiable economic  impact  of the LLW standard,
         the BRC criterion, and the  NARM limit is  estimated  to be a net
                                   1-13

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     savings  of  between $327  and  $890  million.   The corresponding
     health  risk over   10,000  years  is  expected to  range  from  73
     avoided  health  effects  (due primarily  to  the  NARM portion  of the
     standard)  to 246 additional health effects.  These estimates  reflect
     alternative assumptions regarding the way  in  which the NRC and
     DOE  would  ultimately   implement  EPA's  BRC criterion  and  LLW
     standard  and  upon assumptions  regarding current  practice  for
     NARM (with respect to radium  sources and  ion-exchange resins).

2.    The  incremental costs  associated with the  two  proposed  options
     for  the  groundwater  protection standard could  range from  $3.9
     million  to  $5 billion,  depending on NRC and DOE implementation
     and on  whether resiting or more  expensive  disposal technology is
     necessary  to meet  the  proposed groundwater standard.

3.    The  costs and  benefits of the  predisposal  management portion  of
     the standard are expected  to be relatively small.
                              1-14

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INTRODUCTION                                                 Chapter 2

     Under  the authority of the  Atomic Energy  Act  of  1954 as  amended
(AEA5U),  the U.S.  Environmental  Protection Agency  (EPA) is proposing a
generally  applicable environmental  standard  for land  disposal  of Low-Level
Radioactive  Waste  (LLW)  that  includes  general  public  exposure standards,
disposal standards for predisposal  management,  groundwater  protection, a
"Below  Regulatory  Concern"   (BRC)   criterion,   and,  under  the  Toxic
Substances  Control Act (TSCA), limits  for the regulated disposal of certain
non-AEA  radioactive  wastes.   The   purpose  of   this  Economic   Impact
Assessment  (EIA)  is to assess  the  costs, benefits,  and cost-effectiveness of
each part  of EPA's proposed action.  Executive Order 12291 requires EPA to
conduct a Regulatory  Impact Analysis  of Major  Rules, generally defined to
include  actions  with  an  annual  economic impact greater than  $100  million.
While EPA does not consider this  action to  be  a Major Rule*,  the  EIA  has
been  prepared in  a manner consistent  with  the requirements  of Executive
Order 12291.  Thus,  the  EIA quantifies  the costs  and benefits (in  the form
of health  risk  reduction)  of EPA's proposed standards  and compares  these
to the costs and benefits  of  regulatory alternatives.

     The  EIA  focuses  on the  economic impacts associated  with the  three
major components  of  the  standards  package:   (1)   a  25  millirem  annual
whole-body  exposure standard for  disposing  of LLW,  {2) a  4 millirem  annual
exposure  criterion  that would allow unregulated  disposal of BRC radioactive
waste, and  (3)  regulation under TSCA  of certain  non-AEA wastes  composed
                                                                 •
of   naturally-occurring   and   accelerator-produced   radioactive   materials
(NARM).
                                    2-1

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     Two other  components  of  the  standard,  a  groundwater  protection
standard  (ranging  from  "no degradation"  to  25  millirem  per year,  depending
on  aquifer  class)  and  a  25  millirem  per year predisposal  operations  and
management standard, also are discussed  in  this EIA,  as are the economic
implications  of  the proposed  effective date  of  the  standards.    However,
since  EPA  expects   the   economic  impacts  associated  with  these  latter
provisions to  be  small   (except   perhaps  for  the groundwater  standard,
depending on  the  option  chosen),  it  did not  undertake extensive  formal
analysis  of the costs  and risks  of  alternatives.
REGULATORY AND  LEGAL FRAMEWORK

     To  a  large  extent,  the economic  impact  of  EPA's  proposed standards
depends  on the  actions of  State  and Federal agencies  outside  of  EPA, as
well  as on  legal  constraints  arising  from  both Federal  and  State  statutes.
These   complexities   affect   the   assessment  of   economic   impacts   by
circumscribing  the  regulatory alternatives available,  limiting  the degree to
which  cost  and  risk  are  used, as criteria for comparing alternative stan-
dards, determining  the manner in which  EPA's standards  are  implemented
by  other agencies, and,  finally,  determining  the  costs and  risks of the
current predisposal  and disposal  practices of LLW generators,  transporters,
and disposal site operators.

Statutory Authorities

     Under  the AEA and  Reorganization  Plan #3 of  1970  [AEA54,  EPA70],
EPA has the authority to  set "generally  applicable  environmental standards
for  the  protection  of  the general environment  from  radioactive material."
EPA has  interpreted  the  term "generally applicable"   to mean that  it is
prevented from  establishing site-specific standards.   EPA has  the  authority
to issue standards  in a  variety  of forms,  including   "limits  on  radiation
exposures or levels, or concentrations or quantities of radioactive material."
EPA's  standards  apply to  "the general environment  outside  the boundaries
                                    2-2

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of locations  under  the  control  of  persons  possessing  or using  radioactive
material."   Thus,  disposal  site operators  must comply  with EPA's  disposal
standard  outside  the  disposal site  perimeter during  the  periods  of  licensed
operation, site  closure,  and  institutional  care.   Thereafter,  the boundary
effectively disappears  and  the  standard  applies  outside  the disposal area
itself.   Similarly,  EPA's  predisposal  management  standard  applies  at the
perimeter of  facilities that  process  waste for disposal,  such  as  regional
incineration  or  waste  transfer  facilities.   Finally,  EPA's  BRC  standard
applies  to  exposures  either  onsite  or  offsite  at unregulated  disposal
facilities,   since  such  facilities  and  transporters  are  not  controlled with
respect to radiological hazards.

     EPA  is  also proposing  groundwater  protection standards under  its AEA
authority.  These  standards apply  to  exposures  received from drinking
water.    The standard  varies by aquifer class.  Aquifer  classes  reflect the
relative importance  of various  groundwater supplies  as  sources of drinking
water.

     EPA  subscribes  to the  ALARA  (As Low As  Reasonably  Achievable)
principle  and has  adopted a policy of setting  AEA radiation standards that
consider  cost,  as  well  as  risk,  as   a  criterion for   choosing   among
            *
alternatives.     Moreover,   EPA   has   extended   this   approach   to   its
determination  of  an  exposure   level  which   is  BRC.    LLW   for  which
unregulated disposal meets the BRC standard  is deemed  suitable for  disposal
without regard to its  radioactive content.  Thus,  cost is considered by EPA
to be an  important criterion  for choosing  among alternative BRC standards.
     Of  course,  a  variety  of  other  important  policy  concerns  are  also
     considered.   However,  the  analysis   in  this  EIA  is   limited  to  a
     discussion of the costs  and risks of regulatory alternatives."
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     EPA  has authority  to  regulate the disposal  of commercial  NARM waste
under  Section 6(a)(6) of TSCA  [TSCA76]  when  it finds that,  without  this
regulation,   disposal  of  NARM  waste    "presents  or   will   present   an
unreasonable risk  of injury to health or the environment."  In promulgating
a rule under Section 6(a)(6),  EPA must,  among  other  things,  publish a
statement  of the  health and  environmental effects of  unregulated  disposal
and  the  economic consequences  of regulation.    In  this  action,  EPA  is
proposing  to regulate  the  disposal  of certain  NARM  wastes  in  a  manner
consistent  with  other LLW since the  radioactive hazards  and appropriate
disposal mechanisms are  similar.

Implementation and Applicability of Existing  Regulations

     While  EPA  has the authority to promulgate a  LLW  disposal  standard,
other Federal or  State  agencies  are given  the  task of  implementing  this
standard.    Since  implementation  ultimately  determines  both the  costs  and
health  risks  of disposal, EPA must anticipate implementation of the standard
to determine economic  impact.   For commercial  LLW  sources,  the  Nuclear
Regulatory  Commission  (NRC)  or  its  Agreement  States  license the  land
disposal of  commercial LLW according to regulations  in  10  CFR 61.  Under
the AEA,  the NRC has delegated  its  licensing  authority to  27  Agreement
States;  the  license requirements  of these  States  must comply with  EPA's
standard  and NRC  regulations.   For  disposal  at  Department  of   Energy
(DOE)  sites, DOE  itself  is  responsible for  implementing  EPA  standards.
Currently,   disposal  of  DOE   LLW   is   guided  by   "Radioactive  Waste
Management" DOE  5820.2 [DOE5820].

     Pending  EPA's  BRC  standard,  neither  DOE  nor  the  NRC  have
implemented  generic guidelines  for  designating  BRC  waste.  However,  the
NRC has  issued  an Advance Notice  of  Proposed  Rulemaking (ANPR)  to
address generic  radioactive waste considered BRC [NRC86b].   Furthermore,
the NRC is  accepting waste-specific BRC applications from its  licensees  and
has promulgated  a  rule describing  certain  biomedical waste as  BRC ["the

                                   2-4

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BIOMED  Rule";   NRC81a].   The  NRC has  also  issued a  policy  statement
concerning  its  plans  to  expedite  specific  waste  stream  BRC  petitions
[NRC86a].

     Disposal  of NARM  waste is not  currently  regulated  by  EPA,  but is
controlled to various degrees  by the  license requirements of  some States.
In other  States,  NARM  disposal is  currently  unregulated.  Although  EPA
typically would  implement a  regulation under TSCA  (the authority by which
it  is  now  proposing  to  regulate  NARM),  EPA  expects  to  enter  into
agreements  with  the NRC  and DOE  for  their  implementation  of  NARM
disposal  regulation.  However,  EPA's proposed  standard  for  NARM  wastes
will determine which  NARM  wastes will be regulated and fall within the LLW
disposal,  predisposal, and groundwater protection limits.

     EPA's Clean  Air Act [CAA67]  standards for radionuclide emissions  (40
CFR 61;  Subparts H e  I)  already limit the radiation  exposure from the air
pathway from all  LLW  incineration  facilities.  Similarly,  EPA's  Fuel  Cycle
standards  [EPA77]   cover   all   pathway   exposures  at the  boundaries  of
commercial nuclear power plants and  uranium and fuel  processing plants.
Thus,  some  exposure pathways  for  some predisposal  management  activities
already  are  regulated.   In this action,  EPA is  proposing  comprehensive
predisposal   management   standards   that  will   cover  additional  facilities
(industrial  and  institutional   generators;   regional   transfer   or   volume
reduction facilities)  and  additional pathways (e.g., offsite migration  due to
spillage and  runoff; direct  gamma radiation  beyond the facility boundary).

     Finally,  in  1976,  EPA promulgated   interim  primary  drinking  water
standards  [EPA76]  for   radionuclides  under  the Safe Drinking Water  Act
[SDWA74].   These regulations,  which apply to community water  supplies at
the  point of use,  amount  to about  4 millirem per year  for  manmade beta-
and  gamma-emitting  contaminants.
                                    2-5

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      Several   Department  of   Transportation   (DOT)   regulations   also
indirectly  affect  LLW  disposal.   Since  these  regulations are  already in
effect, they limit current  practice and, therefore,  the incremental  impact of
EPA's  proposed LLW standard.   DOT has issued regulations  that limit the
surface  radiation  dose  rate  of radioactive  waste  containers  on  transport
vehicles  and  prescribe standards  for  waste packaging  and labeling  [DOT83].
Since these regulations, in part, determine  transportation  cost,  they affect
the analysis  of volume reduction strategies  and  BRC determinations  (which
tend to reduce transportation costs).

Formation of  State Compacts under LLWPA

     Under the Low-Level  Radioactive Waste Policy  Act of 1980  [LLWPA80],
as  amended  in  1985  [LLWPA85],  States  were  given  the  option  to  join
together  to form  Compacts  for regional disposal of commercial  LLW.  Once a
Compact  is approved  by  Congress,   it has  the authority  both to establish
disposal  sites  within the Compact and to  refuse disposal of waste generated
outside  the   Compact,  beginning  in  January   1993.    Currently,   seven
multi-State disposal  Compacts  (including  39 States)  have  been  ratified  by
Congress [LLWPA85]  and  two  States  (California and Texas) have elected to
build their own sites (the  status of  California  may  change, however).   The
composition  of some  existing   Compacts  and the  status   of  the  remaining
States  are currently under debate;   however,  the  wording of the existing
Compact  agreements suggests  that out-of-Compact  waste  is unlikely to be
accepted.  In  addition,  individual States  typically  are expected to  host a
site  for  only  20 years at  a  time.   The  implication of  these  constraints is
that the  size  of  disposal sites  receiving  commercial LLW will  be  determined
by  the volume of waste to be disposed  within a Compact, rather than by
economic considerations of  optimum scale.  These  constraints may  not apply
to DOE waste;  DOE  facilities are  typically located very  close to the point of
waste generation.

     For  this  EIA,  EPA  has assumed  that  inter-Compact  transportation of
commercial LLW,  in  fact, will   not  occur and,   therefore,   that  waste
                                    2-6

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generated  within  a  Compact  will also be  disposed in that  Compact.   This
assumption is recognized in the analysis of economic  impacts  by including  a
transportation  cost  based  on  a  distance  (650  miles)  that  is   roughly
consistent  with  intra-Compact  disposal for the  currently  ratified  Compacts
(it  should be noted  that  some commercial  LLW Is  currently  transported
distances  much greater  than  650 miles, since only three commercial  disposal
facilities  now  accept  LLW,  i.e.,  Hanford,  Washington;   Barnwell, South
Carolina;  and Beatty, Nevada).  Furthermore,  an assumed average  disposal
site  size of  250,000 cubic  meters of  waste  (as  generated)  is  based on an
assumed eight to  10 commercial LLW disposal sites, each  of  which  operates
for 20  years.   It is  anticipated  that some  specific  regional  facilities  will
receive much  more or  much less than  this  average amount.  The implications
of this  volume variation (which  is only likely to  affect commercial  LLW) are
investigated in Chapter  8.

     An  important   final    implication   of  intra-Compact   disposal   and
accompanying transportation   restrictions  is  that  they  may preclude  LLW
generated  in  regions  where  hydrogeologic disposal  conditions  are   less
favorable   (e.g.,  in  a  Compact with only  humid  permeable  hydrogeologic
characteristics)   from   being   disposed   of  in   sites   where   better   site
characteristics are  expected  to result in  better  containment  (e.g.,  in  arid
permeable  regions).
REGULATORY  OBJECTIVES

     To assess regulatory impacts, it is necessary to translate the statutory
criteria of the AEA and TSCA  into objectives suitable for economic analysis.
The economic analysis  is evaluated by  EPA  in  conjunction with other  policy
considerations  (e.g., a desire to avoid disrupting current progress  toward
Compact  formation  and toward siting  and  constructing  new LLW disposal
facilities) to choose among  alternative standards.
                                    2-7

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     This  EIA uses  the  economic  framework described  in  Executive Order
12291  to evaluate alternatives.   Executive  Order 12291 requires that, to the
extent  possible,  both  costs  and  benefits  must  be quantified in monetary
terms and  that the  regulatory  alternative  which  maximizes  net benefits to
society  should be adopted if  possible.  Since the statutory objectives of the
AEA and TSCA  relate,  in this case,  to  protection  of human health  from
radiological hazards, net benefits  are defined as  the  difference between the
value of reducing  radiation-induced  human  health risk (the  benefits)  and
the cost of more  stringent disposal practices.

     Two factors serve to  complicate  the assessment  of costs  and benefits.
First, two  different measures of risk reduction  are included  in  the analysis:
(1)  reduction  in total  health   effects to the  general  population  and  (2)
reduction in  the  risk to  the  Critical  Population  Croup  (CPG)  (a  measure of
risk to  an  individual, as will be described  in  Chapter 3).   Second,  neither
measure of  risk  reduction  is  quantified  explicitly  in  monetary   terms.
Cost-effectiveness analysis  is used to compare the  costs, general population
health  effects,  and  CPC  risk  of alternative  standards.    Given monetary
values  for  a  reduction in total  health  effects (i.e.,  a "value  of life")  and
for a reduction in CPC risk  (e.g., a  value per  incremental reduction in the
maximum  individual  risk  of  fatal  cancer),  the  net  benefits  of  each
alternative   standard  could   be   quantified.    Except  for   purposes  of
illustration,  these values are  not inferred or made explicit  in this EIA.
SCOPE OF ANALYSIS  AND ORGANIZATION OF  THE  REPORT

     The  bulk  of this  EIA  covers the  economic  analyses of  regulatory
alternatives  for  the  BRC  and LLW  standards  and  for NARM.   Chapter  3
outlines  the  methodology  used for  these analyses and  Chapter  U discusses
EPA's choice of  regulatory alternatives.   Chapter 5 characterizes LLW, and
Chapter  6  characterizes  NARM  and  presents  an  impact  analysis of  the
proposed  NARM limit.   Chapters  7,  8, and 9 cover specific segments of this

                                    2-8

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proposed  action and are  described  separately below.  Chapter 10 addresses
the distributional impact of the proposed standards in qualitative terms.

The  Low-Level Waste Disposal  Standard

     LLW  essentially  includes  all  radioactive waste except waste specifically
excluded  under  the  LLWPA.   Thus,  low-level  waste  does  not  include
high-level  radioactive  waste,   transuranic  waste,  spent nuclear  fuel,  or
uranium  and  thorium  mill tailings.   These  radioactive waste  categories are
defined and regulated under previous  EPA rulemakings such  as  17  FR 58196
and  the Uranium  Mill  Tailings Radiation Control  Act [UMTRCA78].  While
NARM  is not covered under the AEA,  EPA has the authority  to  regulate the
disposal of NARM  under Section 6(a)  of TSCA if  it is determined to present
an unreasonable risk of injury to  health  or  the  environment.   EPA expects
its proposed  limit  to be  exceeded by  primarily two types of  NARM wastes —
                                                         *
radium  sources and radium-loaded  ion-exchange  resins.    Both  of  these
NARM  wastes  are generated by commercial rather  than DOE sources.

     Commercial sources  of LLW include nuclear  power  reactors;  uranium
hexafluoride  conversion  and fuel fabrication  facilities; industries involved in
the manufacture of  radiochemicals,  radiopharmaceuticals, sealed  sources, or
articles made  of  uranium  metals;   and institutions generating  LLW  during
medical and research activities.   In addition  to these commercial sources, a
significant volume  of  LLW  is generated  during  activities   of  the Federal
government at DOE facilities  involved in nuclear fuel  enrichment,  defense,
and  research  activities.
     As  discussed  in  Chapter  6,  EPA  also considered regulating a number
     of other NARM wastes.   EPA  currently  expects  to  consider regulation
     of large-volume diffuse NARM  wastes  in a future action.
                                    2-9

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     LLW  is  also  generated  during  decontamination  and  decommissioning
("D&D)  activities  in conjunction with  specifically  mandated  remedial  action
programs.   These  programs include DOE's  Formerly Utilized Sites Remedial
Action  Program  (FUSRAP)  for  rehabilitating  sites  formerly used  by  the
Manhattan  Engineer District and the  U.S.  Atomic Energy Commission,  and
the  Surplus   Facilities  Management   Program  (SFMP).    In  some  cases,
radioactive  waste  sites  are  included in  the  National   Priorities  List of
hazardous  waste  sites  and  remedial  actions  are  carried  out  under  the
Comprehensive Environmental  Response,  Compensation and  Liability  Act of
1980 (CERCLA).   Under the Superfund Amendments and  Reauthorization  Act
of 1986  (SARA),  disposal of LLW generated during CERCLA cleanups should
comply  with  Applicable  cr  Relevant and  Appropriate  Regulations  and
Standards (ARARS) — including the LLW standard.  The D&D of commercial
power  reactors will  also  constitute  a significant  future source  of LLW.
Finally, decontamination of  Three  Mile Island, activities  at the West  Valley
Demonstration  Project,  and potential future nuclear fuel  recycling processes
will all also produce  LLW.   Because these  sources are expected  to  produce
relatively  small  volumes  of waste  or because  the  waste  has  not been
sufficiently  characterized  to  allow  the  development  of   regulation  at  this
time, they  are not  considered  further  in this analysis.

     While   the  volume  of  LLW   generated   by  DOE   activities   will   be
significant,  EPA's  quantitative  analysis  of  alternative   standards  focuses
principally on disposal  of  commercial  LLW and  NARM  at commercial sites
licensed  by  the  NRC.  DOE  has  informed EPA  that it believes  that  the
sources of  DOE  waste  are  similar to  those  of  commercial  waste and  that
                                     *
similar disposal would  be appropriate.   Moreover, EPA believes  that  public
information  regarding  the  volumes, form,  and radioactive  content  of  DOE
waste currently is  insufficient  to  allow EPA to perform  a detailed  cost  and
risk analysis  necessary   to   evaluate  alternative  standards.   In  lieu of
     EPA's position  is based  on a letter dated June  11,  1982 from  Coetz  K.
     Oertel,  Director of  the  Office  of  Defense  Waste  and  By  Products
     Management,  Department of Energy  [DOE82a].   DOE  has  subsequently
     reaffirmed  EPA's approach [MEY86cj.
                                   2-10

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this  information,  EPA  has  relied on  DOE's  appraisal  of the  content  and
volume  of  its waste  in  its  consideration of  alternative  standards and  has
based  its  choice  of a  standard  on the  analysis  of commercial  LLW  and
NARM.   Moreover,  EPA  has  implicitly assumed  that  DOE  waste, such as
remedial action  program waste,  and D&D  waste  (which  each may differ in
composition and form  from commercial  LLW)  will  be  disposed of in disposal
facilities separate from  commercial  LLW  facilities.  Thus, it is  analytically
unnecessary  to  consider these wastes to estimate  the  health  risks prevailing
                                                                         *
at  commercial   LLW   disposal  sites   under  alternative  EPA  standards.
Accordingly, while estimates of the volumes  of LLW  from DOE sources are
presented  in  Chapter 5,  estimates  of the costs and risks resulting  from
disposal  under  alternative standards are  quantified  in detail for  commercial
LLW  and  NARM only.   In  addition,  based  on  EPA's assumption that the
economic impacts  from disposal  of commercial  and  DOE  wastes are similar,
the relative disposal  volumes  of  DOE  and commercial low- level  waste  were
used  to develop  an  estimate of  the  total costs and risk  associated   with
disposal  of DOE waste under both  EPA's  proposed  LLW  standard and   BRC
standard.  DOE waste is  not  known to include a NARM  component, at  least
not one of sufficient  volume to quantify it.

Below  Regulatory  Concern Standard

     In addition to the  proposed 25 millirem  LLW disposal standard,  EPA  is
also  proposing  a  4  millirem  annual   exposure  standard  for unregulated
disposal of LLW.   Wastes for which  unregulated  disposal  meets the   BRC
criteria are deemed  suitable  for disposal  without  regard  to  their  radioactive
content.   The  EIA   evaluates  a  number  of  commercial  LLW   which  are
potentially  suitable  for  unregulated   disposal.   In  general,  these   BRC
"candidates"   are   characterized  by   their  very   low   radionuclide
concentrations.   As discussed  in  Chapter 7,  BRC  candidates  likely to  meet
the standard  include  wastes generated by  hexafluoride  conversion and  fuel
fabrication facilities, special  source  trash and waste generated by industrial
     For  simplicity,  we  also assume unit disposal  costs  are unaffected by
     the  inclusion or  exclusion  of  DOE  waste  from the  market  for  LLW
     disposal.
                                    2-11

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facilities,  liquid  scintillation  vials  generated  by  institutions  engaged  in
medical  and  research activities,  and  certain low  activity wastes  generated
by  power  plants  (waste oils  and  secondary condensate polishing resins).
Since these low activity  wastes  constitute a significant  fraction  of the  total
LLW volume,  a considerable cost  savings  will  be realized  as  a  result  of
EPA's proposed 4 millirem  BRC  standard.  These savings are quantified  in
Chapter  7  ("Results  of  BRC  Standards Analysis"), as are the savings  from
alternative   BRC   standards.    As   explained   in   the   analysis,   these
"candidates"  have  served  as  surrogates for the wastes that  NRC or  DOE
may actually   deregulate,  in order   to  estimate  the  impact  of  the  BRC
criterion.

Regulation  of  NARM

     The third major segment of EPA's  proposed LLW  standards  considers
the  disposal  of  naturally-occurring  and  accelerator-produced  radioactive
material.   EPA's analysis  focuses on* the specific activity  and total activity
of  radium-226, uranium-238, and  thorium-232  decay  series.  While  EPA
expects that its proposal will  affect only two NARM wastes  (radium sources
and radium-loaded ion-exchange resins), the EIA evaluates the  costs and
risks of regulated and  unregulated  disposal  of other  discrete sources  of
NARM,  such as radium  dial clocks, smoke detectors,  illumination equipment,
and fluorescent lamps, among others.   Large volume  and diffuse sources  of
NARM  (such as potash, ammonium phosphate,  concrete alum  shale, certain
scrap metals,  fly ash, and  boiler ash) are considered only briefly  since EPA
will  be  considering  the evaluation of  these  types  of NARM in  a  future
regulatory  action.  Chapter  6 of the  EIA describes the  NARM wastes  more
fully, discusses a preliminary  analysis  of  both  diffuse and discrete  NARM
sources, and  presents a final cost-effectiveness  impact analysis of specific
discrete  NARM wastes.
                                    2-12

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Other Components of the Proposed Standard

     EPA  is  also  proposing  a groundwater standard  (graded depending on
aquifer  class)  and  a  predisposal  management  standard  as  part  of  this
action.   Quantitative cost and  risk  analyses for these standards  were not
performed;  however,   EPA  believes  that  the  incremental  cost  of  these
provisions   will  probably   be   small   (except   perhaps  the  groundwater
standard,  depending on  the option  chosen).   Each  standard is discussed
qualitatively  in Chapter 9.

     Finally,  EPA  is   proposing  that  its  post-disposal   standards  and
pre-disposal  management  standard apply to commercial facilities seeking  new
or renewed licenses (but not to  facilities  already licensed).   Application  of
these standards is proposed for  three years  after promulgation for  both  new
and existing  DOE  facilities  if they are  to continue operation.   The economic
implications of  these implementation dates are also discussed  qualitatively  in
Chapter 9.
                                    2-13

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METHODOLOGY                                                   Chapter 3

OVERVIEW

     This El A  has  two primary objectives:

     1.   To evaluate the impacts of alternative levels of a standard.
     2.   To  compare the  impacts  of  the  proposed  standard  to  current
          practice.

     The  purpose of  this chapter is to  describe each  of  the analytical steps
required  to achieve  these objectives, as  they apply  to  the analysis of the
proposed  BRC  criteria,  NARM limits, and  LLW standards.

     At   the   outset,  the  analysis  requires  quantification   of  the  key
parameters  upon  which  the  economic   comparisons  are  based:   cost,
population  health  effects,  CPC  dose,  CPC  risk,  and   cost-effectiveness.
Since   cost,   health  effects,   and  risk   in   turn   depend   on  waste
characteristics, disposal  practice,  and  hydrogeologic/climatic  setting, these
factors must also be  defined  and quantified.   Thus, the  first seven  steps  of
the methodology  logically  are as follows:

     1.   Waste Definition
     2.   Disposal  Practice Definition
     3.   Hydrogeologic/Climatic Setting Definition
     4.   Estimation  of Cost
     5.   Estimation  of Population Health Effects
     6.   Calculation  of Cost-Effectiveness
     7.   Definition and  Estimation  of CPC Dose and  CPC Risk

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     Once  the first seven  steps  are complete,  two additional  analytic tasks
are necessary.   First,  a  base case  set of  disposal practices is  designated
for convenience,  to  aid in evaluating  alternative  practices.   Choosing  the
base  case  as  current  practice  also  facilitates  the  accomplishment  of  the
second  task  —  comparing  the  proposed   standards  to  current  practice.
Finally,  it is necessary to  state explicitly  what  it means to comply  with  a
standard.   In effect,  since impacts are ultimately caused by the disposal
practices  used  to  meet a  standard,  it  is necessary  in the  El A  to  predict
which  practices  will  be used (for each  waste,  in each  setting) to  comply
with each  alternative  standard.   Two  separate  considerations are used to
predict compliance.  First,  it is  assumed that  waste  generators  will attempt
to  meet  the  standard  at  least  cost,  after accounting  for  other  existing
constraints  on  disposal practice  (e.g..  Compact  formation and  existing
regulations).    This   basic  economic  assumption  is  the  primary   linkage
between  a comparison of disposal practices and the comparison of alternative
standards.  Second,  it  is  recognized that  implementation of EPA's standards
by  the  NRC  and  DOE  may  further constrain the  disposal  practices  available
to  generators  to meet the  standard.   The   implementation assumptions
described at  the  end of this  chapter generally reflect the degree  to which
population  risk  (as well as CPC risk)  and  the  regional  variation in  health
effects  and   CPC  risk are considered  when  choosing   among  alternative
disposal  practices.

     To summarize, then,  the last two steps in the analysis are:

     8.   Definition of the  Ease Case - Current Practice
     9.   Definition of Compliance with  Alternative  Standards

     Each of  the first  eight steps  is described  more  fully  in the sections
that follow.   Since the relevant implementation  assumptions  (Step  9) vary
depending  on which  part  of  the  standard is  considered,   implementation
assumptions  will  be  described  individually   in  Chapter  6  (for  the   NARM
limit),  Chapter   7  (for the BRC   criterion).   Chapter  8   (for the   LLW
standard), and  Chapter 9  (for the remaining parts of  the  standard).
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WASTE  DEFINITION

Low-Level Wastes

     Low-level  radioactive waste is generated by a variety  of commercial and
DOE sources.  However, as indicated  in  Chapter 2, insufficient information
is  available  to  characterize fully the wastes from the approximately 15 active
DOE facilities  that generate LLW.   EPA does not possess  detailed, publicly
available DOE  waste form,  radionuclide content, or  site  characterizations,
which would be needed  for an in-depth risk analysis.   A calculation  of DOE
health  effects and  disposal costs was made,  however, by scaling the results
associated  with commercial  LLW  disposal  on  the  basis  of DOE's  relative
aggregate waste volume  to commercial LLW  volume.  As  described in Chapter
5 and Appendix A, projected  DOE LLW volumes  for  the 1985  to  2004  period
are drawn from recent DOE  projections  [DOE86].

     Based  on  detailed  records of  past  LLW  disposal at  operating commercial
sites and recent  NRC  analysis,  much  more  information on  commercial  LLW
was  available for  EPA's  analysis.   EPA has  segmented  low-level waste  from
commercial  sources into  25  separate  waste  streams.   These  25 waste  streams
divide  the total commercial  LLW into relatively homogeneous categories based
on four factors: volume, source of generation,  waste form, and  radionuclide
content.  These four factors are the  principal waste-dependent  determinants
of cost and  risk.   To a large extent,  the waste segmentation  represents  a
tradeoff between   analytic  convenience  and  precision.    In   the  present
analysis,  some variation  within  waste  streams  still   remains  which  could
potentially affect  disposal costs and  risks;  however,  large variations  have
been  accounted   for.    For  example,   under   current NRC   10   CFR  61
regulations,  different disposal practices are  required for different  classes of
wastes,  depending on  radionuclide  content  and  waste  form.   Sufficient
disaggregation   is  included  to  model   the  impact of these   regulations.
Conversely,   if waste  generators could  segregate  some  low activity  waste.
from a  waste  stream  that otherwise would  be  regulated,  BRC savings  in
addition to  those  estimated  in  this  analysis might  be  realized.  Of  course,
                                    3-3

-------
the  risk  associated  with disposal of  the  remaining  waste would also  be
affected  by  such  segregation.    (Segregation  of  additional  BRC waste  is
considered in the Chapter 7  sensitivity analysis.)   Since a number of other
factors also limit the accuracy  of  the  analysis  (particularly the assumptions
used to estimate  risk), the designation of 25  wastes represents a  reasonable
tradeoff   between  simplicity  and  precision   for  purposes   of   analyzing
alternative LLW  and BRC standards.

     EPA's LLW segmentation  is  based  principally on the definitions used  by
the  NRC  in   its  detailed  assessment  [DM81,  DM86].    EPA's  25   wastes
represent a  simple aggregation  of waste  streams  identified by the NRC  in
its  updated  database  [DM86],  prepared  in  support  of  the 10  CFR  61
regulations.  DM86 considered 148  low-level wastes, of which 70 are directly
included   in  EPA's  assessment.   The  other   78  NRC  "non-routine"   waste
sources  include:   TMI  2,  West Valley,  mixed-oxide  fuel  fabrication,  fuel
reprocessing,  and  DSD  wastes.   Most of these wastes  are either small  in
volume or nonexistent in current  practice.   Moreover, projections of  future
volumes and  radionuclide content  are  speculative at this  point.   Because  of
their  speculative nature, and  the fact  that  these  wastes  would  not  be
expected  to  significantly affect  the analysis  over  the  20-year  period  for
which  other  low-level wastes are  projected, they  were not included  in the
EPA source term.

     The  NRC  updated  database  also  characterized  seven   NARM   wastes
(contained in  two  of  EPA's  six  discrete  NARM  wastes)  and two military
wastes that  are occasionally  disposed of  at   commercial  facilities.   EPA's
analysis  does  not  include military LLW in  its commercial  LLW source  term
and  EPA has Independently characterized its NARM wastes (see Chapter 6).
The 70 different LLW streams from DM86 that  are reflected in  EPA's analysis
were characterized using records  of LLW actually  disposed of  at  commercial
LLW facilities.   The  characterization reflects  the  source  of the  waste, the
waste form, and  the  average radionuclide  content.  EPA's 25  waste streams
                                    3-4

-------
are  listed  in  Table  3-1,  together  with  the  corresponding  NRC  streams
(using NRC  mnemonics as  in  DM86) and  a mnemonic  which will be  used to
reference individual  wastes throughout the  remainder of  this E!A.   Table
3-1 also  notes  the  waste  form  assumed  for purposes of risk analysis.   Four
waste forms are considered:   Trash (TR); Absorbed  Waste (AW); Activated
Metal (AM);  and Solidified  Waste  (SW).   A further description of commercial
LLW  (activity and volume) is presented  in  Chapter 5.

BRC Candidates

     Of  the  25 commercial wastes  identified  for the  analysis of  the  LLW
standard, 14  wastes  (those with  the  lowest curie concentrations)  were  also
evaluated as  candidates for unregulated disposal under  the  BRC  criterion.
Candidates for unregulated disposal  are a group of LLW waste streams  that
were  designated as  surrogate BRC wastes.   The  analysis  was  performed
with surrogate waste streams  since  (1)  such  BRC wastes  do not  exist as yet
and  (2)  EPA  does  not  have the  authority to deregulate any  specific  waste
stream —  that  responsibility  falls  to  the NRC  and  DOE.  Conducting the
analysis  in  this manner  allowed  an  estimate  to be  made of the  potential
impacts,  both in terms  of costs and risks, of alternative  BRC  criteria.

     These  14 BRC  candidates are  designated  as  such  in Table  3-1.   In
addition,  EPA  has  characterized  four other low-level  wastes for  analysis in
conjunction  with the  BRC criterion  (also  shown  in  Table  3-1).   Two of
these  wastes   (americium  smoke  detectors   and  tritiated  radioluminous
timepieces)  represent  consumer  wastes  for  which  disposal  is  essentially
unregulated.   The other  two  wastes are  substreams  of two  power reactor
wastes that are included  in the analysis.   These substreams are LWR  waste
oil,  which  is  a  substream  of LWR concentrated  liquids,  and PWR condensate
resins,  which is a  substream  of LWR  ion exchange resins.   Both  substreams
are  generated during  power  reactor  operations but, on  average, contain
very low levels  of  radioactivity.   Since  the  NRC is  already considering a
                                    3-5

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BRC  designation  for  these  wastes  (either  on  a  plant-specific  or  generic
level),  they  were  included  as BRC  candidates  in  the analysis.   The  two
consumer  wastes are examples of  items essentially unregulated  for  disposal
but available to the public;  they  are  used as a reference point for evalu-
ating  alternative  BRC  standards.    Finally,  commercial wastes  already  de-
regulated  under  the  NRC's  biomedical  rule [NRC81a]  will  be  considered
briefly  (such waste might  be regulated  under a  very low  BRC  standard)
and are given  the mnemonic  BIOMED in this report.   Like I-BIOWAST  and
I-LQSCNVL,  BIOMED   contains  biomedical   wastes  and  liquid  scintillation
vials.   However,  BIOMED only  includes  waste which  meets the  NRC  bio-
medical  rule  limits, while I-BIOWAST and  I-LQSCNVL  include only wastes in
excess of  these  limits.

NARM Wastes

     As explained  more  fully in  Chapter 6,  six  NARM  wastes  have  been
designated for  analysis  in the EIA.  These  wastes are also  listed in Table
3-1.  Two of these  wastes,  radium sources  and  radium-loaded  ion-exchange
resins,  are  included  in the  analysis  of alternative  LLW  standards since
EPA's proposed  NARM  limit  will  require regulated  disposal of these wastes.
These  two  wastes  are  also  evaluated  in  terms  of  the  costs and risks
resulting  from   unregulated  disposal.   In Chapter 7,  both  the  costs  and
health effects of  regulated  disposal  are  compared  to  those  of unregulated
disposal to determine the incremental cost per avoided  health effect.
DISPOSAL PRACTICE  DEFINITION

Regulated  Disposal Practices

     The  costs and risks  of LLW disposal depend on the technology used  to
package and process the waste as well  as the  disposal  technology.   In some
cases, DOT regulations  for transoortation  also prescribe minimum packaging
requirements  [DOT831.   Thus,  packaging,  procassing, transportation,  and
                                   3-11

-------
disposal  method collectively  define a disposal practice.  Variations in  any of
these components  would alter the costs and/or risks of  disposal.

     EPA  has  identified  nine  land  disposal  methods   for   analysis  of
alternative  LLVV  standards.   As   shown   in  Table   3-2,  these  methods
represent a broad spectrum  of  technologies, ranging from regulated sanitary
landfill at  one extreme to deep geologic disposal at the other.   Only  two of
the  nine options  (SLD and  ISO)  are presently  incorporated  at operating
commercial facilities  in  the U.S.; however,  the other methods  have received
a considerable amount  of engineering  analysis and  several  have been tested
in  the   U.S.   or  abroad.    One  of  the   methods  (EMCB)  comprises  two
subtechnologies which, in principle, could  be  used alone; however, separate
use has  not been  considered  in this  EIA.

     To  estimate cost  and health  risks, each of the nine disposal methods is
associated  with an explicit  set  of  engineering assumptions.   The  principal
differences  among  the methods  reflect  variations  in  the  site  area  and
distribution of waste  at  the  site  (which  affect  CPC risk),  the  use of
engineered structures, the trench depth,  the trench cap integrity, and the
trench cap thickness.

     EPA has  also considered engineering  practices  which change the waste
volume   and   stability   characteristics,  including  packaging  the  waste  as
generated, packaging  the waste  in  a  high  integrity container  (HIC), waste
compaction, absorption of  liquid waste,   solidification  as  generated,  and
solidification  after incineration.   Since these  practices  alter  both the costs
and  health risks of  disposal,  they  represent  "suboptions"   that  can  be
                                                           *
associated  with almost any  of the  nine  disposal  methods.    By  combining
disposal  methods and  packaging/processing  suboptions,  a significant number
of fully-specified  disposal practices could be considered.
     Since some of the methods  require special  waste forms (e.g., deep well
     injection and  hydrofracture  require  liquid  and slurry,  respectively),
     suboptions are not always available.

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     A list and brief  description of the disposal  practices considered in this
report are presented  in Table  3-2.   It  should be  noted that all  regulated
disposal  practices  assume  an amount  of  waste packaging at least  sufficient
to meet existing  DOT  standards  for transporting  waste  to  the  disposal site.
Finally,  not  all disposal practices  are  appropriate for  disposal of all wastes
(e.g.,  deep  well  injection  requires  a  liquid  waste  form;  noncompactible
waste  cannot  be  compacted  and  need  not  be  solidified).   For  practical
reasons, EPA did not  attempt to estimate the health effects,  CPC  risks, and
costs for  all  of the  waste,  hydrogeologic region,  disposal  method,  and
packaging/processing    suboption  combinations.    These    limitations    are
reflected in  Table  3-2.   The combinations  EPA  did consider are listed later
in Table 3-10.

Unregulated  Disposal  Practices

     To  evaluate alternative  BRC standards,  EPA  has also  estimated  the
costs,  health  effects,  and  CPC  risks  of unregulated  disposal  practices.
While unregulated  disposal  can  be compared  to  a single .regulated disposal
practice   (such  as  SLD with waste "as  generated"), there  is no  reason  to
expect that unregulated disposal of a  given waste will be uniform  across  the
country.   Rather,  if a  waste  is disposed of without regard  to its  radioactive
content, a number  of unregulated disposal practices are  likely  to  be used
for which the costs and health effects  may vary.

     To  estimate the total costs  and population health effects of unregulated
disposal, EPA defined five  representative  disposal practices which differ  by
location  (i.e., surrounding  population and site  size),  the  integrity  of  the
site  (a  municipal dump  versus a sanitary  landfill),  and whether  incineration
is used  as part  of  the  disposal  practice.   Specifically,  the five unregulated
disposal  practices include the following:
                                    3-15

-------
     1.   Municipal  Dump,  Rural Setting
     2.   Suburban Sanitary Landfill, no  incineration
     3.   Suburban Sanitary Landfill, onsite incineration
     ^.   Urban  Sanitary  Landfill,  no incineration
     5.   Urban  Sanitary  Landfill,  onsite  incineration

While  these   five   unregulated  disposal  practices   adequately   describe
unregulated disposal on average,  for  purposes of comparison, the costs and
health  effects  of disposal  at  a medical  or  university  incinerator were also
quantified,  since  these facilities  are  sometimes  used  to  destroy  certain
biomedical  wastes.  This  sixth facility  type was also  used  to  estimate  the
costs  and  risks of  unregulated  disposal  of  the wastes  deregulated  by
NRCBIa (the biomedical rule).   Table 3-3 lists the  salient  characteristics  of
the six unregulated disposal  practices considered  in the EIA.

     The  total costs  and  population  health  effects that  would  result from
unregulated  disposal  of  a given  waste  are  calculated  by  combining  the
characteristics of  the  five  primary  unregulated  disposal  practices.   The
weighting of  practices  reflects an  estimate of  the proportion of the  waste
that would be disposed  in  each type  of  facility if disposal of the waste were
unregulated.   For example,  fuel cycle  waste  is  generated in plants located
principally in  rural  or suburban areas;  hence,  over the next  20  years, it is
assumed  that  47.5 percent of  this waste  would be  disposed of in  municipal
dumps, 47.5  percent in suburban  landfills  (with  or  without  incineration),
and  five percent in  urban landfills.  The derivation  of  these weightings is
discussed in more detail in Appendix  B.
HYDROCEOLOCIC/CLIMATIC SETTING  DEFINITION

     To   account   for   the  impact   of   hydrogeologic  and   meteorologic
characteristics on the estimation  of  health risk, EPA has characterized  three
sets of generic site  conditions.  The site characteristics  have a substantial

                                    3-16

-------
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-------
impact  on the  estimates  of  population  health  effects  and  CPC  risk  and
include the following  salient features:   (1) annual  rainfall  pattern;  (2)  soil
permeability  and composition;  (3)  relative distance from  and local  use of a
well;  (4)  vertical  distance  to  nearest  aquifer;   (5) horizontal distance from
and   use   of  a  local  stream;   (6)  aquifer  velocity   and  thickness;  (7)
prevalence  of  local  farming;  (8)  local  wind  conditions;  and  (9)  local
population.  These three generic  sites,  which  EPA assumes  will encompass
the potential  characteristics of actual  future  LLW  regulated  disposal  sites,
are identified as follows:

     1.   Humid Permeable  Region  --  site  of  moderate  rainfall  with  soil of
          moderate  permeability.

     2.   Humid Impermeable  Region -- site of moderate  rainfall with soil of
          low permeability.

     3.   Arid  Permeable Region -- site  of low  rainfall  with soil of moderate
          permeability.

     Except  for  the  assumed  local  population  and   the distance  to  local
streams  and  wells,  these  same hydrogeologic  characteristics  are  used to
assess  regional  variations  in  the  health effects  and   CPC  risks  from
unregulated  disposal  in the analysis of alternative BRC  criteria.  A similar
analysis is used in  the comparison  of  alternative NARM  limits.
ESTIMATION  OF COST

     The  objective  of   the  cost  analysis  is  to  measure  the  incremental
increase in costs to society  that results  from implementing  EPA's standard.
Costs  are  measured in  constant 1985 dollars.   In  this  ElA, social costs are
                                    3-18

-------
                                                                          *
characterized  by the  before-tax cash  costs  paid  by the generator  of  LLW.
The  general  approach   is  to  estimate  unit  costs   (per  cubic  meter  as
generated)  for  each  waste and  each disposal practice.  The unit costs are
then multiplied  by  annual disposal volume.  to calculate  total  annual  cost.
Finally, the present value of costs is estimated by  employing  a  real discount
rate  of 10  percent  over an assumed 20-year  horizon (the operating life of a
disposal  site),  unless  otherwise  noted (a discount  rate sensitivity analysis
is  included  in Appendix E).

     Costs  include   four  components  in  the  waste   disposal  process  --
packaging,  processing,  transportation,  and disposal method.  For  several of
the shallow land disposal options,  the first  three cost components are the
same  for  a given  waste form.  Thus, these components  sometimes  "cancel
out"  when  incremental  costs  are  calculated.   However,  some  practices  do
require different waste  processing  (e.g.,  solidification  and  incineration) and
some  alter  the  assumed transportation  distance  (e.g.,  hydrofracture  and
deep   well   injection   occur   onsite  or   close   to the  point   of  waste
generation).   Thus,  it  is  necessary  to consider  all  cost  components  to
quantify incremental cost correctly.
     Various definitions of social cost have  been employed  in other studies.
     The   definition  used  here  is  convenient,  since  it  generally  uses
     observable  market   prices  as  the  measure  of  social  cost.    Other
     definitions  (e.g.,  the  summation  of  the  before-tax  values added at
     each stage in the production chain for each good  or service consumed)
     presume that taxes  distort the  use  of price as  a  market  measure of
     social cost.   This distortion  is attributed to  the assumption that taxes
     represent" a  transfer of wealth  rather  than  a  use  of real resources.
     The  definition used  here assumes  the  other extreme  — that tax  effects
     included in  the prices  are,  in  fact,  social costs  and  represent  levies
     on the  use  of public goods,  e.g.,  law enforcement,  public roadways,
     etc.   In fact,  taxes  probably  represent  a  combination of  public  goods
     and  wealth redistribution.
                                    3-19

-------
     Packaging and solidification  costs  are  based on engineering estimates of
the direct cost of labor and  materials used  for each waste.   Average  unit
transportation  costs  were derived  from actual  tariffs  for  transporting  LLW.
In general, a 650-mile transport  distance  is assumed for regulated disposal.
Other  cost components,  including compaction,  incineration,  and  disposal
method,  are  based on  engineering cost analyses of hypothetical compaction,
incineration,   or  disposal  facilities,  since  most of these  facilities  do  not
presently exist (hence,  market  prices are  not available).  The analysis is
constructed so that the facility operator (assumed to be a privately  financed
organization)  earns a return  on  the required  investment  and pays  tax  at  a
                 *
46 percent  rate.    Based  on  explicit  assumptions  regarding  site size and
period of operation,  the  unit disposal cost  is estimated  in  1985  dollars  to
provide  a 10  percent  real  return.   The  methodology  employed   in  this
engineering  analysis   is  described  in more  detail  in  NRC81b,  NRC82d,
                                               **
TRW83a,  EEI8<4b,  RAE86a,  and in Appendix C.    The costs  of disposal site
closure,   post-closure,  and  100   years of  institutional  care  are  included.
Sites  for  shallow  land  disposal and intermediate depth disposal are sized to
receive 250,000 cubic meters  of  waste  (as  generated volume) over  20 years.
This  site size  represents EPA's  expectation  for an average  commercial  LLW
site.   Given  the  volume estimates  presented   in Chapter 5,  it implies  that
about  eight commercial  sites will  be required.   Site sizes for other disposal
     Note  that  the  disposal  method  unit  costs  were  derived  from  previous
     work  completed in  1986  or  earlier,  at  which time  a  46  percent corporate
     income tax rate represented a reasonable assumption  for  Federal  income
     taxes.  Hence, the impact of  the Tax  Reform Act of 1986 has  not been
     considered,  but could  alter  costs to  the generator.   Note  that  the
     discount  rates  used  for  these  financial  projections  of  private  sector
     disposal  service prices  are not  necessarily equal to  the  social rate of
     discount used  to determine the  present value  of  social costs.
     Most  of  the  engineering  costs  and  financial  calculations  represent
     modifications  of the work originally  presented  in NRC81b, altered to
     reflect  a   smaller  site   size.   Scale-dependent costs  were  assumed to
     vary  in proportion to relative site  volume raised  to the 0.6  power.
                                    3-20

-------
practices  are  based on the probable volume  fraction of the waste that would
use the specific disposal  method, out of a 250,000 cubic meter reference site
volume,  assuming  co-location  of different  trench  types  (e.g.,  ISO  and
SLD).

     As   mentioned   above,   cost   represents   the   sum   of   packaging,
processing, transportation,  and  disposal.   Since  packaging  and processing
typically  occur  at  the point  of  generation or at a  regional  facility,  volume
increases  or  reductions  raise or  lower  the  associated  transportation  and
disposal costs.   In order to  account for  such volume changes,  estimates of
the volume  of LLVV and  NARM  used to  determine  total  cost  (presented in
Chapters  5  and  6) are based on the  waste form "as  generated,"  which is
defined as  the  waste volume  shipped  for  disposal  prior  to  any  special
processing  (e.g.,  compaction,   incineration,   or   solidification).    Volume
increases  and  reductions  thus serve  to increase or  decrease  the  effective
unit cost  of  disposal, measured  as the  disposal  cost  per  cubic  meter of
waste  as  generated.   This  procedure  allows  for comparison of unit  costs
across disposal practices  on a consistent basis.  Table 3-4  presents the unit
cost of disposal  for  "as  generated"  waste for  each disposal  option.   Table
              •
3-7 presents  the  volume  increase and reduction multipliers  that  apply to
transportation  and disposal  cost for each low-level waste  as a  function of
waste  processing.   The  cost  of packaging,  processing,  and transportation
(per cubic meter of waste handled)  are shown in Tables  3-5, 3-6,  and 3-8,
respectively.   Differences  in  costs  across  waste types  reflect  the greater
handling costs and additional  materials  required  to deal with  higher activity
waste.   Note  that  while  Tables   3-6  and  3-7 show  costs   and  volume
multipliers for compaction,  solidification in cement,  and incineration followed
by  solidification  in  cement,  the  health  effects  due to  these  processing
options were  not  quantified.   These options,  therefore,  are  not considered
further.

     The  costs  of unregulated  disposal include  only  transportation  and
disposal  costs.   Unregulated  disposal  packaging costs are  assumed  to  be

                                    3-21

-------
                              Table 3-4
                           DISPOSAL COSTS
                       BY  DISPOSAL PRACTICE
     DISPOSAL OPTION
REGULATED SANITARY LANDFILL

SHALLOW LAND DISPOSAL

IMPROVED SHALLOW LAND DISPOSAL

INTERMEDIATE  DEPTH DISPOSAL

DEEP WELL INJECTION

HYDROFRACTURE

DEEP GEOLOGICAL DISPOSAL

EARTH MOUND/CONCRETE BUNKER

CONCRETE CANISTER
 BURIAL COST
(1985 Dollars per
 Cubic Meter)
       238

       393

       907

       732

     5,244

     3,027

       959

 520/4,040

       540
                                 3-22
                                                      September 1987

-------
                                     Taoi e 3-5

                                PACKAGING COST DATA
































NOTES:
(1)

(2)

(3)
PHB
ESTIMATE (1)
EPA (1985 do I lars
WASTE STREAM per cu. meter
MNEMONIC as generated)
P-COTRASH (2) 303
8-COTRASH (2) 303
L-NCTRASH (3) 383
L-IXRESIN (4) 449
P-FCARTRG (5) 449
L-FSLUDGE (4) 449
L-CONCL1Q (4) 512
L-DECONRS (4) 449
F-COTRASH (2) 303
F-NCTRASH (3) 355
F-PROCESS (2) 303
U-PROCESS (2) 303
N-SSTRASH (2) 303
N-SSUASTE (2) 303
N-LOTRASH (2) 303
N-LOUASTE (2) 303
L-NFRCOWP (6) 501
N-ISOPRCO (7) 449
N-TRITIUM (5) 501
N-TARGETS (5) 501
M-SOJRCES (5) 501
I-COTRASH (2) 303
I-8IOWAST (8) 1,451
I-ABSLICD (8) 1,879
I-LQSCNVL (8) 1,879
R-RASOURC (9) . 501
R-RAIXRSN (10) 449

ALL ESTIMATES INCLUDE COMPONENT COSTS FOR
VOLUME INCREASES WHERE APPROPRIATE.
ESTIMATE REFLECT PACKING IN A DRUM ONLY.
PER DRUM COST OF ISO IN 1980, OF WHICH $22
ESTIMATE REFLECTS MIX OF DRUMS AND BOXES A


VOLUME
INCREASE
FACTORS
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.92
3.0
3.0
2914.0
1.0

LABOR, MATERIALS, AND UT

COSTS ALSO INCLUDE LABOR
REPRESENTS THE COST OF
ND INCLUDES LABOR. COST
                                                                        ILITIES, AND REFLECT

                                                                         (FOR A TOTAL
                                                                        THE DRUM ALONE).
                                                                   COSTS ARE ALSO ASSUMED TO
      DEPEND ON ACTIVITY (HIGHEST  FOR  B-COTRASH,  THEN  P-COTRASH,  THEN  F-NCTRASH).
 (4)  ESTIMATE REFLECTS DRUM PACKING,  BUT  ALSO REFLECTS  DEWATERING COST  AND ASSUMES THAT
      DRUMS WILL BE SHIPPED IN  REUSABLE  SHIELDED  CASKS (CASK  COST  INCLUDED  IN TRANSPORT COST).
 (5)  ESTIMATE REFLECTS MIX OF  DRUMS AND (APPARENTLY)  BOXES,  AND  INCLUDES LABOR.  COSTS ARE ALSO
      ASSUMED TO DEPEND ON ACTIVITY.  FILTER  CARTRIDGE ESTIMATE REFLECTS TRW83a ASSUMPTION THAT
      FILTER CARTRIDGE COSTS ARE THE SAME  AS  RESINS  AND  SLUDGES.
 (6)  ESTIMATE REFLECTS MIX OF  DRUMS AND (APPARENTLY)  BOXES,  AND  INCLUDES LABOR.  COSTS ARE ALSO
      ASSUMED TO DEPEND ON ACTIVITY.
 (7)  ESTIMATE REFLECTS TRW83a  ASSUMPTION  FOR PACKAGING  AT  A  COST  EQUAL  TO  RESINS.  THIS COST  IS
      APPROXIMATELY THE SAME AS 1/2 L-CONCLIQ AND 1/2  F-NCTRASH,  SINCE N-ISOPRCO  IS HALF LIQUID
      AND HALF SOLID.
 (8)  ESTIMATE REFLECTS COST OF A  DRUM,  LABOR AND ABSORBENT,  AND  A VIF OF 1.92  (I-BIOWAST)
      OR 3.0 (I-ABSLIOD AND I-LQSCNVL).
 (9)  ESTIMATE REFLECTS ASSUMPTION THAT  PACKAGING COSTS  FOR R-RASOURC  ARE THE SAME AS
      N-SOURCES.
(10)  ESTIMATE REFLECTS ASSUMPTION THAT  PACKAGING COSTS  FOR R-RAIXRSN  ARE THE SAME AS
      L-IXRESIN.

                                                                                SEPTEMBER 1987
                                           3-23

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                  P-COTRASH  (1)
                  B-COTRASH  (1)
                  L-NCTRASH  (2)
                  L- IXRESIN  (1)
                  P-FCARTRG  (1)
                  L-FSLUDGE  (1)
                  L-CONCLIO  (1)
                  L-DECONRS  (3)
                  F-COTRASH  (1)
                  F-NCTRASH  (2)
                  F-PROCESS  (1)
                  U-PROCESS  (1)
                  M-SSTRASH  (1)
                  N-SSUASTE  (1)
                  N-LOTRASH  (1)
                  N-LOUASTE  (1)
                  N-NFRCOHP  (3)
                  N-ISOPRCO  (3)
                  N-TRITIUM  (3)
                  N-TARGETS  (3)
                  N-SOURCES  (3)
                  I-COTRASH  (1)
                  I-BICUAST  (3)
                  I-A8SLIQO  (3)
                  I-LQSCNVL  (3)
                  R-RASOURC  (4)
                  R-RAIXRSN  (5)
                                               Table 3-8

                                     TRANSPCRATICN COSTS PER CUBIC METER
                                          ASSUMING NO PROCESSING
                                             (IN  1985 DOLLARS)
                                        650 MILES
                 2300  MILES
  134
  134
  548
1,176
1,176
1,176
  821
  542
  134
  455
  134
  134
  134
  134
  134
  134
  542
  311
  542
  542
  542
  134
  271
  271
  271
  542
1,176
  405
  405
  380
  991
  991
  991
  782
1,820
  405
1,148
  405
  405
  405
  405
  405
  405
1,820
  923
1,820
1,820
1,820
  405
  813
  813
  813
1,820
3,998
NOTES:
   (1) THESE COSTS WERE CALCULATED DIRECTLY  FROH  SL30;  COSTS  WERE  REPORTED
       FOR THREE WASTE CATE3CRIES--DRY ACTIVE  WASTE,  RESINS i. SLUDGES,  AND
       CONCENTRATES.

   (2) THESE COSTS WERE REPORTED IN TRWS3a BASED  ON  ANALYSIS  IN:   "A  HANDBOOK
       FOR LOU-LEVEL RADIOACTIVE WASTE DISPOSAL FACILITIES,"  ROGERS & ASSOCIATES
       ENGINEERING CORPORATION,  RAE-20-5,  SEPTEMBER  1982.

   (3) THESE COSTS WERE ADOPTED DIRECTLY FROM  TRU83a.  COSTS  WERE  FIRST DEFLATED
       FROM 1982 TO 1930 DOLLARS BY USING  A  FACTOR OF 1.2  THEN WERE  INFLATED  FROM
       1980 DOLLARS TO 1V35 BY USING A FACTOR  OF  1.3.

   (4) COST ASSUMED TO BE ECUAL TO N-SOURCES.

   (5) COST ASSUMED TO BE EQUAL TO L-IXRESIN.
                                                                          SEPTEMBER 1987
                                            3-30

-------
negligible  and the transportation distance is much smaller  (disposal  occurs
at a  local  site  near the  waste  generator).  Costs  are based  on  a  1986
survey  of tipping fees conducted by  the National Solid Waste  Management
Association and  reflect charges for transfer  stations,  transportation, and
landfilling  [NSWMA86].  Table 3-9 presents  the unit disposal  costs used for
each  of  the six  unregulated disposal  practices,   as  well as  the  weighting
each  practice is  given in  calculating average unregulated disposal costs and
health effects  for each waste category.   As  before,  the  present value  of
disposal  cost  is  calculated  from the  unit  disposal  costs  using a  20-year
horizon and a 10  percent real   discount  rate.   Appendix  C  provides more
detailed  documentation  of  how  these   regulated   and  unregulated  disposal
costs were derived.
ESTIMATION OF POPULATION  HEALTH  EFFECTS

     Population health effects  represent one  of  two risk measures and  are
defined as  the cumulative fatal  cancers and  serious  genetic effects  to  the
general  population  that  result  from  a given  disposal  practice.   Serious
genetic  effects  are  defined  as  genetic  effects   which  result  in  death,
hospitalization,  or  major  surgery.   Cumulative  population  health  effects
incurred over  a 10,000-year  period (undiscounted) are compared to the  base
case  population   health  effects   to  calculate the  benefits  of  alternative
standards  in the  form of population risk reduction.   It  should  be noted that
only  human health  effects  from  radiologic  hazards  are  included  in  the
estimate   of   benefits;   thus,   reduction   in   other   health   effects   or
environmental   impacts   due   to   the   standard   are   not   considered
quantitatively.

     More  specifically, population health effects  are calculated as  the  sum of
expected  fatal  cancers and  expected first  generation  serious genetic  effects
resulting  from radiation.   Morbidities  resulting  from non-fatal cancers  are
not  quantified.   In  addition,  fatal cancers  and  genetic effects  have been
                                    3-31

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given  equal  weighting  as  measures  of  risk.   This  treatment  of  genetic
effects is environmentally conservative (i.e.,  benefits are overstated) if the
value attributed to an  avoided health effect is  interpreted  as a "value  of
life" and  the  value  of avoiding  a  genetic  effect is  smaller than the  value  of
avoiding a  fatal  cancer.   Practically,  however,  expected genetic  effects are
generally much  fewer  than  expected  fatal  cancers, so  the  impact  of  this
assumption  on the calculation of health effects is very small.

Linear,  No  Threshold  Dose/Response Assumption

     In  estimating  population  health effects,  EPA assumes  that health  risks
are proportional  to  the level of exposure and that  this linear  relationship  is
constant  down  to   zero  exposure.   This  assumption has  two important
consequences  for the analysis of economic impacts.   First,  it implies  that an
exposure threshold  (below  which health  effects are either zero or  decline
rapidly)  cannot be used  to justify a de  minimis  level of exposure, since any
incremental  exposure causes at  least some additional  health effects.   This  is
one reason  why  the economic analysis  of  alternative BRC criteria considers
both the costs and  health effects  of alternative  criteria  rather  than  just the
level of  risk.  Second, the  "Linear,  No  Threshold"  assumption  implies  that
the  total   incremental  health  effects  resulting  from  LLW  disposal  are
independent of  the  level  of risk faced  by  any  single  individual.  Thus,
population health effects are the  same when 1,000  people face  an individual
risk of  one in one  million and when  a single person faces  a risk of one  in
1,000 (the total  population risk  is one in 1,000 in both cases).   In  addition,
risks  that may  result from  background radiation do not affect the  analysis
                                                                          *
of incremental risk  due  to LLW  disposal and,  thus,  need  not  be quantified.
The BRC criterion  and  LLW  standard are,  therefore,  defined  in  terms  of
"above background" exposure limits.
     Strictly  speaking,  since  EPA  uses a  relative  risk  projection  model
     which  depends on the underlying  vital  statistics of the  cohort  group,
     background  risks do  affect the  calculation  of  health effects.   See the
     Background  Information  Document  for  further  discussion  of  EPA's
     health  risk  calculations  [EPA87].
                                   3-33

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Exposure  Pathways and Time  Horizon  Included  in Analysis

     The  analysis  of population  health  effects was conducted using  the
                                   *
PRESTO  family of computer models.    The analysis considers a 10,000-year
horizon.    Health  effects  incurred from  exposure  to the  local population
during  the  first  1,000  years  (referenced  hereinafter  as  the   Primary
Analysis)  are modeled in detail  based on explicit transport mechanisms  and
exposure  pathways.    Health  effects incurred outside of  the  local population
or  beyond  1,000  years  (referenced  hereinafter  as  Basin  Effects)  are
estimated   using  a  more  aggregate  procedure employed  in   earlier   EPA
         **
analyses.     In  brief. Basin  Effects depend  on the total activity reaching a
stream  before  10,000  years,  the  fraction   of this activity   that  causes
exposure   (which  depends  on  EPA  assumptions  regarding  regional  water
consumption), and the health  effects per unit of  activity  released.   Only
two mechanisms  result in no  exposure from  a  radionuclide:  (1)  radionuclide
decay before  release -from the  trench or the ground (i.e.,  to  a  stream or
well)  and  (2)  radionuclide   capture  in  the  trench  or  failure to  reach  a
stream or  well through  groundwater  transport  within 10,000 years.   In all
other cases,  radionuclides are released  to the environment and  at least some
                             * **
exposure  is assumed  to occur.
     See the Background Information  Document and  the  User's Manuals  for a
     description  of  these  models   [EPA85a,   EPA85b,  EPA85c,  EPA85d,
     EPA87].   The  models  include  PRESTO-EPA-POP,  PRESTO-EPA-DEEP,
     and PRESTO-EPA-BRC.
     See EPA85e.
***
     The  health  risks  due  to atmospheric  releases of  radionuclides  during
     LLW  incineration  are  not quantified in the  analysis  relative to  this
     standard   setting   activity.     Atmospheric    releases   from   waste
     incinerators  were  one  of   the  releases  examined  in  establishing
     Radionuclide  Clean Air Act  Standards (40  CFR 61) and  are  subject to
     those   requirements.    However,   the  activity   remaining   in   the
     incinerated LLW ash is reduced by the activity released to  the air.
                                   3-34

-------
     During  the Primary Analysis  period,  the  movement  of radionuclides  is
traced through  the  local  environment to the local population via  each of five
basic  exposure  pathways.   The  analysis  tracks   40 radionuclides  which
represent essentially  all  radionuclides  present in significant  concentrations
with half-lives greater than five years, as well as six  nuclides with shorter
half-lives that are present in significant concentrations in  some  waste.   Of
the  nuclides,  16 are  present  only  in NARM waste   (the  dominant  NARM
nuclides  are  uranium, thorium  and radium).   The  population  health  effect
exposure  pathways  modeled  in  the   analysis  include the  following:  (1)
ingestion  of  water  from  a  local  well   or  stream;   (2) ingestion  of  plants
irrigated with  contaminated groundwater drawn from  a local well  or stream
or contaminated  through  deposits of airborne  radionuclides; (3)  ingestion  of
animals (e.g., beef, poultry)   contaminated through local contaminated  plant
food  or  through drinking contaminated groundwater  from a local  well  or
stream;  (U)   inhalation  of airborne  radionuclides;  and  (5)  direct gamma
exposure from contaminated air  or  surface  soil.

     The  population  health  effects due  to  exposure  outside the  Primary
Analysis  period  (the  Basin Effects) are estimated indirectly by quantifying
the  amount  of  radionuclides  that  reach  a stream  within  the  first 10,000
years  (excluding  the  radionuclides for  which  exposure is  already  accounted
for  in the  Primary  Analysis).   As  mentioned  above, these  Basin  Effects
radionuclides  are assumed to  cause  a  fixed  number  of  health  effects per
unit of activity  released,  based on an estimate of  the fraction of  nuclides
likely  to cause exposure (which  depends  principally  on  water  consumption
habits in  the area)  and  on  an  estimate  of the  health  risk per  unit  of
radionuclide   exposure.    This   aggregate   risk  estimation  procedure   is
identical  to  that employed in  previous  EPA  analyses.

Differences  Between Estimates for the  LLW  and BRC Standards

     The  estimation  of  population health  effects   for the  regulated  and
unregulated disposal alternatives is identical,  with minor  exceptions.   First,
                                    3-35

-------
the  population  health  effects  from  nuclides  released  into  the  air  from
unregulated  incinerator scenarios are  quantified  explicitly,  assuming  even
release  over 20  years  (constant operation); this exposure pathway is not
modeled in the case of  regulated disposal.   Furthermore,  in  the  analysis of
regulated  disposal  options,  risks   resulting from disposal operations  and
waste transport are excluded.  Exposure to  onsite workers and transporters
for regulated disposal  are excluded from this rule, under AEA authority;
therefore,  their  risks  have  no  basis  for  being factored  into  this  analysis.
Regulated radiation workers  are  subject to  other EPA  actions and  EPA has
recently  issued   new   Federal   Guidance  on  these   exposures  which   is
obligatory  for  all  Federal agencies, including  DOE and NRC.  In  contrast,
worker  risks are  included in  the  risk estimates  for  unregulated  disposal.
Transportation CPC risks are also  included  in  the estimates for  unregulated
disposal but  not  in  the  estimates for regulated  disposal.  DOT has  statutory
responsibility for regulating  the shipment  and transportation of radioactive
materials  and  for  protecting  the   public  from  unwarranted  exposures   to
radioactive materials while in transit.

     From  an economic  perspective,  it  might also be  argued that  laborers
knowingly  working  in  the presence of a radiologic hazard are  assumed  to
charge  a  risk  premium for  their work; in  contrast,   workers in  municipal
waste disposal  do  not  knowingly assume such a hazard and the  cost of this
                                        it
hazard  is  not  included in their wages.   Provided that  the premium  each
worker  charges  is  equal  on average  to the value placed  on avoided  risk,
this  treatment yields  an  estimate of  societal net benefits identical  to that
derived  by  explicit  analysis  of   worker  and   transportation   risks  from
regulated LLW  disposal.
     This  is a conservative assumption,  since  some economists  might argue
     that  workers  in  municipal  disposal  in  fact may  be  aware  of  such
     hazards,  thus charging  a  risk  premium  for  their  work.   In  addition,
     wage rate assumptions used in the cost analysis are the  same for all
     regulated disposal options,  so worker  risk  differences may  not be fully
     captured  in the analysis.
                                   3-36

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CALCULATION  OF COST-EFFECTIVENESS

    To  facilitate  comparing  alternative  standards,  a  cost-effectiveness
(C-E)  ratio  was  defined  for each alternative,  in  which the  letter  "r"
represents the  real discount rate and  "t" represents time in  years.   For
any single disposal practice:
Total Cost
                    20
                        25
 Ill
  t=l    a=1    i=1
                              UC. *  VOL
                                               tai
                                         (1+r)
Health Effects =
    and:
    VOL
    UC.
 t
 a
 i
 r

 n
tai
     UHE .
        a:
           10024
           I
  20
V
             I
                                a = 1
                                       25
                                     ^T^
                    UHE
 .
am
                                                     VOL
                                .  .
                                tai
index across years
index across hydrogeologic regions  (three  regions)
index across wastes (25  commercial  LLW)
social  discount rate  for costs  (10  percent real  rate is
assumed)
year in which health  effects occur
volume  (m ) of waste i  in region a, year t
unit cost  of disposal practice (dollars  per  cubic meter)
for  waste i, assumed to  be constant in  real terms
unit health risk  (fatal  cancers and genetic effects  per
cubic meter) over 10,000 years,  from disposal of waste i
in region  a
     "t" equals 20 in the final  year since costs and health effects are based
     on a site with a 20-year life.
                                3-37

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     The  C-E  ratio is then defined  as  follows,  comparing any two  disposal
practices  A and  B:

     C-E  Ratio = Total Cost (B)  - Total  Cost (A)
                 Health Effects  (A) - Health Effects  (B)

     The  C-E  ratio  represents the  incremental  cost  (dollars)  per  avoided
health  effect (fatal cancers  plus serious  genetic  effects) of each alternative,
compared  to  another  alternative (normally, the base case of current  disposal
practice).   If  current  practice is used  for the  comparison  as  practice  A,
given  a  value  per avoided  health effect,  alternatives  with  C-E  ratios  less
than or equal  to this value would result  in  positive  net benefits  to  society,
based  solely  or. population health  effects reduction.

     A  C-E  ratio  comparing  any  two alternatives can also  be  constructed
(named the  "marginal"  cost-effectiveness ratio)  to determine the preferred
alternative given  a  value  per  avoided  health  effect.   If  the marginal  C-E
ratio  is greater  than the value per  avoided  health  effect, alternative A  is
preferred; otherwise,  alternative  B  is preferred.  However,  in  some cases,
an alternative  has  both higher  costs  and greater health effects compared  to
the base  case  or  some  other  alternative.   These alternatives  are said to be
"dominated"  since  another  option clearly  is  preferred no matter what the
value  per  avoided  health effect.   Dominated options,  which  typically  result
in a negative C-E  ratio, can be eliminated from consideration  without regard
to cost-effectiveness.

     In   addition    to   the   overall  C-E   ratio   defined   above,   the
cost-effectiveness  of  different  disposal  practices  was  assessed  for  each
waste  within each  hydrogeologic region.

     To  calculate  the C-E  ratio  comparing  alternative LLW  standards, the
disposal   practice   required  to  comply   with  each   alternative  must  be
determined.  Since unit costs and unit health  effects are  quantified  for each
disposal  practice,  a  single disposal  practice  must be  associated  with each
                                    3-38

-------
waste stream  in  each hydrogeologic  region  for  each  regulatory alternative.
This association  is  determined by  finding  the  least costly disposal  practice
that complies  with  the  standard,  given  assumed  implementation  actions  by
the  NRC  or  DOE.   These  implementation  actions  determine  whether  the
disposal  practice  for  a  given waste  must be  the  same  in  all hydrogeologic
regions  (referred  to  hereinafter as  National  implementation) or  whether  it
may vary  from  one  hydrogeologic  region  to  another  to account  for  the
impact of  hydrogeology  on  CPC risk  (referred  to  hereinafter  as  Regional
implementation).

     Two  further  distinctions  regarding  implementation  can  also  be  made.
If compliance  with  the standard  depends only on meeting  the  CPC  dose level
(i.e.,  population  health  effects  are  not  considered),  the term  Implicit
implementation is  used.  This   connotes  the  fact  that  protection of  the
general  population  is implicit or inherent  in  the  protection  of the Critical
Population  Croup.   That is,   by imposing a limit on annual CPC  dose, it  is
assumed  that  the  general  population  is  receiving  at   the  same  time  the
appropriate and  prudent level of protection.  In the case  where  an explicit
consideration  of  population  protection  is made by  considering  not only the
CPC  limit   but  also  the  cost-effectiveness  of  imposing  more  stringent
requirements  on  disposal,  the  term  Explicit  implementation  is  used.   The
various  combinations  of  these  four  different  implementation  assumptions
produce  four  separate  implementation cases.  These  four  cases —  National
Implicit,  National  Explicit,  Regional  Implicit,  and  Regional  Explicit —  are
each examined in  this  EIA.   The  implementation assumptions are  described
further in  Chapters 6,  7, and 8.
DEFINITION  AND ESTIMATION
OF CPG  DOSE AND CPC RISK

     CPC dose  is  a  committed effective  whole  body  dose equivalent and  is
defined  as   the  maximum  annual  exposure  in  millirems  per  year to  an
individual within the Critical Population  Croup.   CPG risk is  the incremental
                                    3-39

-------
carcinogenic  risk  resulting  from  a  given  CPC  dose,  measured  as  the
probability of fatal cancer (expressed  as a  fraction), assuming that the  CPC
dose is received  every year over a  70.7565-year lifetime [MEY86a],  A  time
horizon of 10,000 years is used in  the analysis of CPC risk;  maximum  risks
are  assumed  to   occur within  the  local  area  and  are measured  at  the
boundary of  the  disposal site.   CPC dose  was typically only calculated over
the first  1,000 years since  initial model  runs verified that maximum doses
were  received  within  this period.   Basin   Effects  are assumed to  be  much
lower on an  individual basis.   The  relationship between CPG risk and  CPC
dose  is  derived   from  EPA's   DARTAB model  of radiologic  dose/response
(DARTAB is  also used to analyze population  risk  and represents a subpart
of  PRESTO).  This  relationship is constant:   the  lifetime  risk  from  a   1
millirem  per  year  CPC  exposure is equal  to  about 2.8  x   10    [MEY86aj.
Maximum  CPC  dose   is  used   in  all   cases  to  determine  compliance   with
alternative LLW standards and  BRC criteria.

Critical Population  Croup Exposure  Calculations

     To  determine maximum CPG  dose  and  risk,  a   different  approach  is
used  to model  disposal.  While  determining  total cost and total health effects
depends on  average  conditions at  representative  disposal  sites,  maximum
CPC  dose and  risk  depend   on  credible "maximum  exposure"  conditions
(generally,  the maximum volume of  a  specific mix of  wastes that  could be
disposed  at   a  single  site).    EPA  has   defined  13  CPG  scenarios  for
unregulated  disposal,  as described   later  in this  chapter.   In   addition,
maximum  CPG  dose and risk were estimated for  direct gamma exposures  to
transportation  workers  when   hauling  BRC  waste from a  generator site  to
a disposal site.   The methodology employed in this analysis is  described  in
EPA87, RAE86c,  RAE86d, and  PEI86a.  The  13  CPG  scenarios  each assume
one  of the  six  disposal practices  defined above  (including  the university
incinerator);  in   addition,  each CPG scenario  also  includes   assumptions
regarding the  volume and mix  of low-level waste  at the disposal  site.   The
volume and mix  assumptions reflect the assumed  waste generators and are
described  in  EPA87   and   later in   this   chapter.    Appendix  D outlines
                                    3-UO

-------
the genera! methodology used  in  estimating the CPC dose and  risk for each
scenario,  based on EPA's risk  modeling results.

     CPC  dose  is  determined   by estimating  the  exposure in  the  year  of
maximum exposure over the first 1 ,000 years  in  each  CPC scenario.   The
maximum CPC dose is  then  defined as  the  maximum exposure across all CPG
scenarios.   Each  CPC "scenario" embodies  an  explicit  set of assumptions
which define how  a single individual could be exposed to radiation from one
or more pathways.   The CPC  dose  scenarios differ  for  the  regulated and
unregulated disposal practices,  as explained  below.

CPC  Scenarios  For Regulated Disposal  Practices

     The estimation of CPG  dose  for regulated disposal  practices as used  in
the LLW standard analysis  is  described  more  fully  in  EPA87.   All  of the
pathways  included in  the population  health effects  analysis are also included
in the  CPC  dose  analysis.   However,  the  CPC  dose  analysis  employs
scenarios  which  assume, in  effect,   that  an  individual  is  exposed  at the
boundary  of the LLW  disposal  site  instead of  at an  average distance  away.
The  total  CPC dose  from  regulated  disposal  includes component  exposures
from  four  pathways:   (1)  ingesting  water from  a site-boundary well; (2)
ingesting  plant  or animal  food  grown  or  grazed at  the  site boundary; (3)
inhaling  airborne  material  at  the site boundary;   and   (4)  direct external
gamma radiation from  site boundary  contamination.   It should be  noted that
the CPC dose from regulated disposal  used in the comparison  of alternative
LLW  standards does not include  ingestion  of food  grown onsite or external
gamma radiation exposure from  exposed waste.   Excluding  these   "intruder"
scenarios   reflects  EPA's  view  that  such  incidents  are  not   reasonably
controlled by a generic,  generally applicable  standard.   EPA is considering
more  qualitative   guidance  to  accompany   the  ' standards  as  a   more
effective approach.   Table  3-10  describes the  CPC scenarios  quantified  in
the analyses of  LLW standards  (including  sensitivity  analyses).
                                    3-41

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3-47

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CPC Scenarios  for Unregulated  Disposal Practices

     For  CPC   doses   from  unregulated  disposal,   as  used  in  the  BRC
criterion  analysis,   11  exposure  pathways  are  considered  in  each  of  13
scenarios.   The  13  CPG  scenarios  represent  different unregulated  disposal
"sites"  and are  listed  in  Table 3-11.   Unlike  the  regulated  disposal CPC
scenarios,  some  unregulated disposal  CPC  pathways  affect  an  individual
within  the site  boundary.   The 11  exposure  pathways considered  in each
CPC scenario  are described  in  EPA87.   These pathways  also  include  direct
gamma  exposures to transportation  workers  from  unregulated  disposal.   In
contrast to the  analysis  used   for  the  regulated  LLW  standard,  for  the
unregulated  disposal   CPC  scenarios,   the  entire   radionuclide  inventory
present at an unregulated disposal  site  can contribute to the  dose received
from each  pathway  (that is,  it is  not assumed  for  the  analysis of any  one
pathway that  the inventory  is  depleted  through  the movement of nuclides
through  the other  available pathways).  Hence,  the  maximum  CPC  dose
represents the  maximum  single  pathway  exposure across all  pathways  and
scenarios  rather  than  the  sum of exposures in each  scenario  across the 11
          *
pathways.    The  summation  of  doses  from  the   different   pathways  is
unnecessary  since   it   can  be  shown  that  from  any  given  scenario,  one
pathway  will  dominate.   The   unregulated  disposal  CPC  methodology  is
discussed more fully in EPA87.

     While the  waste volumes and  site  characteristics  for each  unregulated
disposal  CPC scenario are based on  EPA assumptions, the rationale for each
scenario  is  generally   as   follows   (Scenarios  11  and  12  represent  two
additional  reference  scenarios not used  in the actual  analysis):
     This approach  tends  to  overstate the maximum  CPC dose;  however, in
     practice, only a few of the pathways turn out to be significant.
                                   3-48

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Scenarios 1  and 2:   Represent a three-unit  PWR and two-unit  BWR complex,
respectively,  contributing  waste  to  a  municipal  dump  in  a  rural  setting.
These  volumes  represent  the  actual  worst  case  (i.e.,  highest  volume)
reactor  complexes  underlying our  U.S.  volume assumptions.

Scenario 3:   Represents  the  equivalent  of two  large  universities, medical
centers,  or hospitals in an urban  setting. _ For each complex,  a  total volume
of 4,000 cubic meters  (as  generated)  is assumed;  this total  is  apportioned
among  the  four  institutional wastes based on U.S.  total volumes.   The 4,000
cubic meter assumption is derived from earlier BRC  analyses.

Scenarios 4 and 5:   Represent the equivalent  of  a  large  university, medical
center,   or  hospital,  several  low-activity  waste  generators,  and  one  fuel
fabrication  facility  in  a  suburban  setting.   Low  activity  waste  volumes
represent  one-half  of  the largest  contribution   by  any  single  State,  as
estimated  by  PHB's  total  volume  projections,   which   reflect   historical
State-by-State industrial waste  generation  patterns.   Fuel  fabrication waste
volumes  represent an  actual  "average" facility  (e.g.,  in  South  Carolina).
Scenario 5  is the "waste  incineration"  version  of Scenario 4;  volumes are
reduced  by the  volume reduction  factor in  incineration, which is assumed to
be 6.

Scenario  6:   Represents  a  two-unit  PWR  complex,  small  university  or
hospital,  and low activity  industrial generators  in  a rural  setting.   PWR
volumes  (three wastes) are  two-thirds  of Scenario 1 volumes;  since  Scenario
1 included  a  three-unit  reactor.   All  other volumes (six wastes) represent
one-eighth of urban  setting volumes  (as  in  Scenario 4),  which  represents  a
reduction sTightly greater than the three to one population  ratio.

Scenario 7:   Represents .a  single  uranium  hexafluoride  processing  facility.
Volumes  reflect   estimates  for  an actual  facility  derived   from U.S.  total
                                    3-52

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volume  projections.    Since only two facilities exist,  the scenario  volume is
about one-half the total  U.S.  volume.  A rural  setting  is used  (to  reflect,
for example, the Kerr-McGee facility  in Sequoyah County,  OK).

Scenario 8:   Represents  a  spent uranium  foundry generating special-source
wastes  in a  rural setting.   The  N-SSTRASH volume  is derived  from  earlier
BRC analyses; the  N-SSWASTE  volume is based  on  the ratio  of U.S.  total
volumes  for N-SSTRASH  and N-SSWASTE.

Scenarios 9 and  10:   Represent consumer wastes disposed in suburban and
urban  settings,  respectively.   Volume  estimates  reflect the product  of the
assumed  local   populations  for  these  facilities  (175,000   and  1,000,000,
respectively),  and the per  capita volume generation assumptions underlying
the  U.S.  total  volume  projections.   These  scenarios  are for  reference
purposes,  since  neither  consumer waste  is  currently  disposed  in  regulated
facilities.

Scenarios 11 and 12:   Represent  a  reference analysis based on  the  NRC's
biomedical waste  rule limits  (10 CFR  20.306).  A  total  waste  volume of 4,000
meters is assumed, as in Scenario 3.

Scenario  13:   Represents  a  large  university/medical  center/hospital  with
onsite incineration and a dedicated landfill,  in a  suburban  setting.   Volumes
(as generated) are derived  from Scenario 3.

Scenarios 1U  and  15:    Represent large  metropolitan areas with  consumer
waste,   a   two-unit  PWR  complex,   and   one  large  university/medical
center/hospital   in  a  suburban  and  urban  setting,  respectively,   with
incineration  at  the  disposal  site.    Volumes  are  derived  from   previous
scenarios (3,  4,  7,  10, and 11).
     Generation of COTRASH  and  NCTRASH at UFg  facilities is  not expli-
     citly considered  in the  State-by-State total  waste volume  estimates.
     Fuel fabrication  facility volumes are used  as surrogates.
                                   3-53

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Determination  of  Maximum  CPG  Dose and Risk

     in addition  to  the  exposure pathways and  scenarios, the  estimation of
CPC dose and  risk  also depends on the volume  and mix of LLW disposed at
a  site.  For   regulated   LLW   facilities, the waste mix  and cumulative LLW
volume depend on  the  BRC criterion  (since this criterion determines  which
wastes  are  unregulated   and,  hence, which are  available  for  unregulated
versus regulated disposal).  Accordingly,  it is  necessary  to  account for  a
variety of waste  volume  and  mix  assumptions  to  analyze  alternative  BRC
criteria.   The  analysis  of BRC criteria is  described  before the analysis of
alternative LLW standards, so  that the  rationale for  deleting certain  wastes
from  the  LLW  analysis  can  be presented  (i.e.,  those  wastes  expected to
meet the proposed  BRC  criterion).

     In the BRC analysis, the  contributions of individual wastes to the CPG
dose from unregulated disposal  are assumed  to be  approximately  independent
(see   Appendix  D  for  methodology).    This   assumption   is  made  for
computational   convenience,  since   it allows consideration of many  different
waste  -mix  assumptions  with   a  limited  number of  computer  model   runs.
Provided that the year at which the maximum  CPG  dose  is attained  does not
change with  a  different   combination  of  BRC  wastes,  this  computational
assumption  holds true.    Hence,  the  CPG  dose resulting  from  alternative
waste  mix  combinations  could be calculated  easily  as  a  linear combination of
unit CPG dose  contributions,  based on  a  single  computer  analysis  of the
unregulated  disposal  site.  In  theory,  the  CPG   dose  from  disposal  of
radioactive   waste   is   not  a  linear   combination   of  individual   waste
contributions,  nor  can  the  nonlinear  relationship  be  easily  approximated
outside of  the  computer  model.   When  an  individual   waste  is no  longer
assumed  to  be  included  in  the disposal  trench,   the  mix of  radionuclides
changes  along with the volume of waste;  this  can  alter the  maximum CPG
dose  in  a  nonlinear  fashion  by  changing  the  peak   year,  the  dominant
pathway,   or  the  dominant  disposal  scenario.    In  fact,  our  analysis  of
regulated  disposal  indicates that  maximum  CPG   risk  is  sensitive  to the
volume of  waste  included  at a  site  (in  large  part  because  the  site
                                    3-54

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dimensions are affected).   Conversely, the independence assumption  for the
BRC analysis appears to be a good  approximation,  since the most  significant
factor,  total  site volume,  is  not greatly  affected  by  the  volume  of BRC
waste.  The  principal difference  between regulated and  unregulated  disposal
is  that,  at  an  unregulated  site, volume is  determined  principally  by the
large amount of municipal  waste assumed  to be  present.

     At a  regulated disposal  site which  includes  only radioactive  wastes,
total disposal volume  (and, hence,  site volume) will  change significantly  by
excluding  individual wastes  from the analysis.   Since CPC  dose  depends
strongly on  site  dimensions,  separate computer runs  were required  for each
LLW waste  mix  evaluated.   Furthermore,  since  the  analysis  of alternative
LLVV standards requires an estimate  of the least-cost method  of. compliance,
it  is  conceptually  necessary  to  consider a  range  of waste/disposal  option
combinations  before  the  least-cost  disposal  practice  is determined.   Since
only a limited number of  computer  runs  could  be  performed,  the least-cost
disposal  practice could  only  be  approximated  for  each  alternative LLW
standard evaluated.   However,  this  approximation  is  believed  to  be a very
cfose  one.

Relationship  Between Population Health Effects and  CPC  Risk

     Population  risk  and   CPC  risk  are  distinct  measures  of health risk
which  incorporate  different exposure  assumptions.   As  used  in  this  EIA,
population  risk  refers to  the  total   statistical  health  effects  in all  exposed
individuals on  an expected value basis.   In  contrast, the  CPC risk  refers
to  the maximum risk to  a  single  individual  in the Critical  Population  Croup,
assuming  that .exposure occurs.   In theory,  CPC  risks should be  included
in   population  risk  on  an expected  value basis,  by  weighting  each CPG
exposure  scenario  by  its probability  of  occurrence.   In  practice,  the
                                    3-55

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contribution of CPC risks to  total  expected risk  is assumed to  be negligible,
                                       *
so this  explicit analysis is not required.
DEFINITION  OF BASE CASE - CURRENT PRACTICE

     To determine  economic  impact  (as  opposed to the cost-effectiveness) of
a level of a standard, the costs  and benefits  of alternatives are compared to
a base case.  The base case differs  for different categories  of waste.   For
this  proposed  standard,  EPA  has  defined  the  base case  to  be  "current
disposal  practice."   That is,  without  EPA's  standard,  current  practice is
assumed   to  continue  for  at  least  20  years.    Under  current  practice,
commercial LLW  is  disposed  of in compliance  with  10  CFR 61, where shallow
land disposal (SLD)  is  used  for  NRC  designated  Class  A  waste  in  the
as-generated  waste  form;  SLD  is  used for solidified  Class  B  waste  and
improved  shallow  land  disposal  (ISD)   is used  for solidified  Class  C  waste
(hereinafter, this combined practice is  designated  10  CFR 61 disposal).   For
purposes  of  quantifying  the  impact of alternative standards,  10  CFR 61 is
assumed  to be  the. practice that would be used  in the absence  of an  EPA
standard.  10 CFR 61 disposal  combines  two  of nine  land  disposal  practices
explicitly  considered  by  EPA;  thus,  it  is  associated  with  particular  as-
sumptions  regarding  site size,  period  of operation,  trench  depth,  integrity
of trench  cover,  and  post-closure and  institutional  care.   These assump-
tions  underlie in both the cost and risk analyses  and are explained further
below.  10 CFR 61 is also used as  the  base case for comparing alternative
     This  assumption  is  based upon the  determination  that  the collective
     exposure "to  the relatively small CPC  is very  small as compared to the
     collective  exposure of all  releases and  exposures of all members of the
     population over thousands of years.   However, it  should  be noted that
     the  value  of   CPC  risk  reduction   derives  principally  from  equity
     considerations  (i.e.,  a desire to prevent any  member  of the population
     from  bearing a high  risk),  rather  than from efficiency  considerations
     (reduction of  overall risk,  no  matter  how that  risk  is  distributed).
     Both  types  of risks have been  considered  in  evaluating  alternative
     standards.

                                    3-56

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BRC criteria.   For each  alternative BRC  criterion,  the total  cost  savings
and additional  health effects  of deregulation are  measured by  comparison to
the costs and  risks  of  10 CFR 61  disposal for commercial  LLVV.   However,
since  almost  all BRC candidates originate  from Class A  commercial  LLVV  and
Class  A  LLVV  under 10  CFR  61  are  disposed of using SLD,  this  comparison
is  normally equivalent  to  a  simple  comparison  with the  SLD  practice  (as
generated).

     Disposal  of  DOE  LLVV  currently conforms  to  DOE5820.   This  practice is
most  nearly   characterized  by   SLD   (waste  as   generated)  within  the
framework  of  this analysis.   Hence,  the base case disposal  practice for DOE
waste is SLD.   The base  case for  NARM  limit is  considered separately in
Chapter  6.

     Finally,  current  practice  for NARM waste  varies by waste stream  and
is  subject  to  varying and  inconsistent State regulations.   Current practice
for NARM,  and  Stnte-to-State  variations  in  disposal  requirements,  are
discussed  in  detail in  Chapter 6.   Since  these  wastes are  not  currently
regulated at  the  Federal level  and since there is inconsistency and voids in
the State regulation  of  NARM  wastes,  current practice  for  these wastes is
uncertain.   Therefore,  a  range of  possible base cases  is  assumed;  at  one
extreme,   R-RASOURC  and   R-RAIXRSN   are  assumed  to  be  currently
regulated with the other four  NARM being  treated  as unregulated waste; at
the other extreme, all six NARM wastes are assumed  to be unregulated.
                                    3-57

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SELECTION OF  REGULATORY ALTERNATIVES                    Chapter  4

     For  each  section  of the  Proposed Rule,  EPA  has  considered  several
alternatives.  Both  the  form  and the level of the standard vary between  the
different  sections.   The form  varies  from  an  exposure standard  for  LLW
and  BRC  versus  a  specific  activity  limit  for NARM.    The alternatives
considered  vary  in  level from  4  millirem  per year  to  125 millirem per year
for LLW and zero to 15  for  BRC.  The alternative NARM  limits vary not by
level but by form,  i.e., a specific activity  limit of 2  nanocuries  per  gram
with  certain  wastes   explicitly   exempted,   or  alternatively,   with  no
exemptions.  EPA has  described its  choice  of  regulatory alternatives  more
fully in the Preamble to the proposed standard.

     The  purpose  of  this   chapter  is  (1)  to  establish  the relationship
between  the costs and  benefits of alternative levels of the standard and  the
various forms of  the rule EPA has considered,  and (2)  to define explicitly
those regulatory alternatives  included in  this analysis.  Since the statutory
authority for regulating  NARM is  different than  that used  for the LLW and
BRC standards,  the NARM alternatives are  discussed  separately in Chapter
6.
FORM OF THE LLW  AND  BRC  STANDARDS

     EPA is  proposing   LLW  and  BRC standards  based  on  the  maximum
annual whole-body effective dose  equivalent to an  individual  in  the Critical
Population  Croup  (CPC).   The  definition  of the  CPC  was  discussed  in
Chapter  3.   An  annual  dose equivalent (measured  in millirems  per  year) is
defined  as  the yearly average  absorbed dose  received by  an  organ,  after
accounting  for  the  differing  degrees  of  biological  damage  caused  by

-------
different  types of radiation  (e.g.,  photons;  beta  and alpha  particles).   A
whole-body   effective   dose  equivalent  normalizes  the   individual  dose
equivalents   from   specific   radionuclides  to  specific  organs  in  terms   of
external   radiation  to  the  body,  at  a  level  of  equivalent  total  risk.   A
whole-body  dose of 1  millirem per year  is equal  to a  risk of fatal  cancer  of
about 2.8 x  10~5 over  a  71-year  life  [MEY86a].

     It  is useful  to note  the relationship  between  different  forms of the
standard  and  the  results  of the cost/benefit analysis.   Among the  forms
EPA considered, seven can be summarized as  follows:

     1.    A  limit on expected population health effects
     2.    A  limit on cumulative population exposure
     3.    A  maximum individual  lifetime  risk
     U.    A  maximum   annual  whole-body  dose equivalent  to  the  CPC  (the
          form chosen)
     5.    A  generic limit on  the  total  activity  released per  site
     6.    Specific  activity  limits  on individual radionuclides  released  to the
          surrounding  environment
     7.    Site-specific  design standards

     With respect to economic impacts,  the  critical difference between  these
various forms  is the degree  to which  they are correlated with  the  costs and
the  benefits of EPA's  rule.   Site-specific design  standards (alternative  7)
are  directly  related to the  cost  of  the  rule,  since costs are  determined  by
the  actual disposal  practices  used to  comply with  the standard.   Depending
on  how  such  design   standards  are  constructed,  they  could also  be well
correlated with both measures of the benefits  of  the rule —  reduction  in
population risk and reduction in  individual (CPG) risk.  From  an  economic
perspective,  one  could thus expect  that  site-specific  design  standards
                                            *
would   result   in  the most  "efficient"  rule,  i.e., one which  maximized  net
     Assuming  that  the regulators  are  as  informed as  the  site  operators
     when determining  the most  cost-effective  design  that would meet  the
     regulatory objective.

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benefits  in all  hydrogeologic  regions  and  for  all  waste types.   However,
EPA is effectively  proscribed  from  choosing  this  form  due to  its  limited
authority   under  the  AEA.    Rather,  site-specific design  requirements  are
devised by the  NRC or DOE in  response to  EPA's standard.

     Alternative forms  1  through 4  differ  primarily  in  whether  they  are
strongly correlated with reductions  in  total risk (alternatives  1  and  2)  or
with limits on individual risk  (alternatives  3 and  4).  Since  EPA has  chosen
a  form of  the   standard  based  on  individual   exposure,  the  standard  is
"efficient"  with  respect to  individual  risk  reduction,  but  not always  with
respect to  reductions  in total population  risk.   The  differences  between
alternatives  1   through  4   relate   primarily  to   whether  the dose/response
function   (which  determines  the  risk  received  from  a  given  dose)  is
incorporated implicitly in the  standard (alternatives 1 and 3) or whether  its
consideration  is  left to implementation  of  the  standard  (as  in alternatives 2
and  4).   Finally, neither alternative 5  nor  6 would  a  priori be  expected to
be  as  well  correlated  with  population  risk  reduction  or  individual  risk
reduction   as  standards  phrased  explicitly  in  terms  of  these   benefit
measures.   In addition, alternatives 5 and  6 might be difficult  to  implement.
However,   either  form potentially  could result in a  more efficient  standard
overall,  since  they  reflect  factors   which  relate  both  to individual  and
population  risk  rather than  to just one of these  two.   Such a  determination
of related  economic efficiency  would  require empirical  analysis  not  included
here;  however,  waste activity  does   appear to be  well   correlated  with
population  risk,  as  discussed  in Chapter 8.
CHOICE  OF STANDARDS  FOR ANALYSIS

     For  the  LLVV  and BRC  standards,  EPA  has  chosen  several  discrete
levels  of  the  standard for inclusion  in this EIA.  These alternatives, which
all  refer  to  maximum  annual whole-body  effective  dose  equivalents to  an
individual  in the CPG, are as follows:
                                     4-3

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Low-Level  Waste Disposal Alternative CPC Dose Standards:

     1.    125 millirem per year
     2.    75 millirem per year
     3.    25 millirem per year
     4.    10 millirem per year
     5.    4 millirem per year

Below Regulatory Concern Alternative CPG Dose Standards:

     1 .    15 millirem per year
     2.    4 millirem per year
     3.    1 millirem per year
     4.    0.1 millirem per year
     5.    0 millirem per year  (i.e., no BRC waste)

     For  the LLW alternatives,  the 25  millirem  standard  is  similar to  the
existing  EPA standards and to the  NRC LLW  performance  standards at  10
CFR 61.   The  4 millirem alternative  is  identical  to  the 4  millirem  National
Interim  Primary  Drinking  Water Standard for manmade  radionuclides (which
reflects a  single exposure  pathway).   In  total,  the LLW alternatives span  a
range such that only a regulated  sanitary landfill (the least-cost regulated
option)  would be  required for all waste  (at the 125 millirem  per  year option)
to a  point where at least  some  disposal sites  would  be  required to  use
practices  more  stringent  than  the  10  CFR 61  standards  of  the  NRC  (4
millirem).   The  4  millirem  standard  is essentially  equal  to   "Best  Available
Technology"  for  LLW  disposal,   given   the  range  of  disposal  practices
considered  in this EIA.

     The  BRC alternatives  likewise span  a range  in  which most  of  the  BRC
candidates  would  be  deregulated   (15  millirem  per  year) to  a  point  where
                                     4-4

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only a  few  of them  would be  suitable for unregulated  disposal  and  where
some  currently   unregulated   consumer   wastes   would  require  regulated
disposal  (0.1  millirem).   As with LLW  disposal, 4 millirem is  also included as
an  option.   The  0  millirem standard  is  equivalent  to a prohibition  of the
unregulated disposal  of  LLW.
                                    U-5

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CHARACTERIZATION OF LOW-LEVEL RADIOACTIVE  WASTE       Chapter 5

     This chapter  discusses  briefly  the nature  of  the  25 commercial  LLW
streams, two  LLW substreams,  two  consumer  wastes,  and  BIOMED waste, as
designated by EPA  for  analysis.  Although  the EIA  presents  a rough  cal-
culation  based on EPA assumptions  of  the economic  impacts  associated  with
Department  of Energy  (DOE)  conventional LLW, an  explicit  analysis of the
risks  and  costs resulting  from  disposal  of  DOE low-level  waste  was  not
performed  due  to  the  limited  availability  of data.   However,   DOE  has
estimated that  1.83  million   cubic   meters   of  conventional   LLW  will  be
generated by  DOE facilities between  1985  and 2004,   as well  as 1.53 million
cubic  meters  of other  types  of low-level wastes  (principally  contaminated
soils and building  debris)  from DOE-administered remedial action  programs
         *
[DOE86J.   As  noted in Chapter 2,  this EIA does  not  consider  low-level
waste generated from  DOE-administered  remedial  action  programs  or  from
future  decontamination   and   decommissioning   (DSD)   of  nuclear   power
reactors.   DOE's  "Integrated  Data  Ease for  1986"  [DOE86]  provides  some
information  regarding the  classification and radionuclide  content of the  D&D
waste.   Based  on  an  assumed  40-year  operating   life,  seven  currently
operating nuclear  power plants are expected  to shut down  between 1985  and
2004.    In  addition,  however,  D&D  activities  are  likely at   five  nuclear
facilities    which     have    already    ceased   operation:     Shippingport
(Pennsylvania),   Humboldt   Bay   (California),   Three   Mile   Island   2
(Pennsylvania)-, Dresden 1  (Illinois), and  Indian  Point 1  (New  York).   The
quantity  of  D&D  generated   low-level  waste  anticipated from  these  12
facilities has  not  been estimated.  Waste  generated  by  the  Fort  St.  Vrain
(Colorado)  high temperature gas reactor also  has  not  been  included.
     The  20-year  period from  1985 to 2004 was chosen by EPA as the period
     of analysis for waste  generation  included  in this  EIA.
                                    5-1

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     The  following discussion is divided into two  parts.   First,  the esti-
mates conducted for  this  EIA of  the  total  LL\V  volume  generated over  the
1985  to  2004  period  are  presented;  key  sources  of  variation  in  these
estimates  are  also discussed.  An estimate  of DOE  conventional  LLW volume
                                         *
by  hydrogeologic  region  is  also  included.    Second, the  nature of LLW is
briefly reviewed,  focusing  on the key  determinants  of cost and  risk  (waste
form  and  radionuclide content)  and  on the  classification of  certain  LLV.'
streams under  the NRC's 10 CFR 61  waste classification  scheme.
ESTIMATED VOLUME OF  LLW:  1985-2004

     In total, 2.9 million  cubic  meters  of commercial  LLW  will be generated
between   1985  and  2004.   The  two  LLW  substreams  (P-CONDRSN  and
L-WASTOIL)  account  for  29,000  cubic  meters  of this volume.   The two
consumer  waste  streams   account  for an additional  102,000  cubic  meters.
Waste  already  deregulated  by  NRC31a   (BIOMED  waste)  and not  included
here  is  estimated  to  total 267,000  cubic meters  over  the  same  20-year
period.   Estimates  of the  volume of each LLW  stream  are  listed in  Table
5-1 .    The estimates  are  presented  for  each  of  the  three  hydrogeologic
regions for  which   population  risks  and  CPC  risks  have been  estimated.
A further description  of  the methodology used to derive the  regional volume
estimates  in Table 5-1 is  presented in Appendix  A.

     Four  key  factors are likely  to  contribute  significantly to variations
between  these estimates  and  the actual  LLW  generation  over  the  next  20
years:  (1) differences between expected completion dates  for nuclear  power
reactors  and actual  completion and operation  dates; (2) changes  in  the use
of nuclear technologies;   (3)  use  of  volume reduction  techniques;  and  (4)
uncertainty in  the composition of Compacts under LLWPA86.
     The  term  "conventional"  LLW  is  used  to  differentiate  this  DOE  LLW
     from other  LLW  generated  during  DOE  remedial  action  programs,  or
     from DSD activities.   The  latter  sources of LLW  are  not considered in
     this  EIA.                                                      •  •
                                    5-2

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                                Table 5-1

          PROJECTED COMMERCIAL  LLW BY  REGION,  1985-2004
                        Cubic Meters as Generated

Waste
Commercial LLW
P-COTRASH
B-COTRASH
L-NCTRASH
L-IXRESIN
L-FSLUDCE
L-CONCLIO
P-FCARTRG
L-DECONRS
L-NFRCOMP
F-COTRASH
F-NCTRASH
F-PROCESS
U-PROCESS
I-COTRASH
I -BIOW AST
I-ABSLIQD
I-LQSCNVL
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOWASTE
Humid
Permeable

151 ,330
169,128
245,540
46,590
68,784
208,845
7,006
1 ,340
38,056
121 ,688
21 ,510
40,312
21 ,387
105,963
2,828
4,184
5,656
112,307
19,819
51 ,901
30,849
Humid
Impermeable

54,941
153,568
156,736
37,766
56,218
77,450
2,873
800
16,160
7,359
1 ,301
2,438
0
106,035
2,830
4,187
5,660
180,054
31 ,774
30,621
18,200
Arid
Permeable

59,014
9,521
75,934
14,772
5,768
44,352
2,954
101
10,294
50,434
8,915
16,708
0
69,749
1 ,862
2,754
3,723
67,101
11 ,841
18,940
11 ,258
U.S.
Total

265,285
332,217
478,210
99,128
130,770
330,646
12,833
2,241
64,510
179/481
31 ,725
59,457
21 ,387
281 ,747
7,520
11 ,126
15,040
359,462
63,435
101 ,462
60,307
Table continued on  following  page.
                                   5-3

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                          Table 5-1  (Continued)
          PROJECTED COMMERCIAL  LLW BY  REGION,  1985-2004
                        Cubic Meters as  Generated
     Waste
  Humid
Permeable
   Humid
Impermeable
  Arid
Permeable
   U.S.
   Total
N-ISOPROD
N-TRITIUM
N-TARGET5
N-SOURCES
3,207
463
20
290
1 ,700
6,130
190
182
5,060
344
13
110
9,967
6,941
223
582
     Total
LWR  Substreams
 1 ,479,008
  955,173
 491 ,522
2,925,702
P-CONDRSN
L-WASTOIL*
    4,360
   12,667
    1 ,419
    6,646
   1 ,590
   1 ,934
   7,368
   21,246
Consumer  Waste
C-TIMEPCS
C-SMOKDET
    5,124
   45,323
    2,534
    22,419
   2,742
   24,258
   10,400
   92,000
Biomedical Waste
BIOMED
  100,300
  100,300
   66,100
  266,700
*,,   Substream of L-IXRESIN
     Substream of L-CONCLIQ
SOURCE:  Putnam, Hayes  5  Bartlett,  Inc.,  March 1987.  Projections  based
          on State-by-State  generation  estimates, as  detailed in Appendix
          A.
                                   5-4

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     DOE86 also  estimates the volume of LLW generated by  commercial  power
reactors   over  the  next  20  years.    However,  DOE's   estimates  reflect
"officially  announced"  commercial  operation  dates  for   power   reactors,
including  some  reactors which  have  since  been  formally  cancelled  or for
which  completion  dates  are  highly uncertain.  As  a result,  DOE's  estimate
of as generated  waste volume from commercial  power reactors is  11  percent
higher than  that  presented  in Table 5-1 , which  is  based  on  power reactor
completion dates  assumed  in  DM86  (also likely to  be an optimistic  forecast).
DOE's  1986  projected  volumes  were  reduced  from  DOE's  1984  projections
[DCE8U]   to  meet  allocation  numbers   in  the  Low-Level   Radioactive  Waste
Policy  Act  of   1985  [LLWPA85].   Volumes  reported  in  DOE86,   which
represent as-shipped waste,  are  50 percent lower than those  presented in
Table  5-1,   reflecting  the  volume  reduction that  would   be necessary to
comply with   the  volume  limits  set in  LLWPA85.   Nonetheless,  substantial
uncertainty does  exist  regarding  the  completion  of  about  35  nuclear  power
plants.   The  degree  of  difference between these  two  estimates only partially
reflects the magnitude of this uncertainty.

     The  degree to which new nuclear technologies  are used in the future,
and  to which  existing ones grow or decline  in use, will determine  the  actual
volume of LLW  generated by institutional  and industrial  generators.    The
estimates  in Table  5-1 are based on the different historical growth  rates for
institutional  and  industrial   waste,  but  assume  that  no   new  technologies
creating   large quantities  of  LLW  will  arise.   In  addition,  the year-to-year
growth  in institutional  and  industrial  waste  is  also likely to vary.   This
variation  would  affect estimates  of cost  (on  a  present value basis), but  may
not necessarily affect aggregate volume estimates.

     The  use of volume reduction techniques also contributes  to uncertainty
in the volume estimates, which  in turn affect both  cost  and  health effects
estimates.  Estimates of waste volume  in this EIA are  presented on an "as
                                    5-5

-------
generated" basis, and the effect  of  v/aste  processing  (e.g.,  solidification or
incineration)  on  volume is  accounted  for  in  the  analysis.  Some generators
and  disposal  site operators  may  choose  to use volume  reduction techniques
in  order  to reduce  cost,  since  the  cost  of volume  reduction  may  be more
than offset by transportation  and disposal cost  savings.   If it occurs, the
volume  reduction  will  also change waste  form and the  as  disposed volume,
which affect  the  estimates of  risk.  Based on the cost  estimates underlying
the  unit  costs used  in  this  E1A, volume reduction  techniques do not, on
average,  result  in overall  cost  savings;  hence,  volume  reduction was not
generally  assumed  to  occur  unless it  was necessary  to meet the  standard.
Finally, a significant  amount  of  volume reduction may  be  necessary  under
LLWPA85.   The estimates of commercial LLW volume as disposed  presented  in
DOE36  reflect  this  mandatory volume  reduction  (unlike Table  5-1,  which
reflects "as generated"' volume).

     After 1993,   some Compacts  may  require volume  reduction as part  of
their inter-Stote  agreements or simply  require that disposal sites be used  as
efficiently as   possible.   Based  on  the  potential  volume  reduction through
incineration,    total commercial LLW volume could  be  reduced as much as  58
        *
percent.  Such reduction could either  reduce  the total  number of commercial
operating  sites from  eight  to  four,  or reduce  the  average size  of  a  site
(and,  hence,  increase  the  unit  disposal  cost)  from  about 250,000 cubic
meters  (as disposed)  to about 105,000 cubic  meters  of  waste,  assuming the
same 20-year operating life.

     An additional  factor influencing  the per-site  disposal  volume  is the
formation  of  waste  Compacts.   While several  Compacts  were  ratified by
LLWPA85,  the  grouping of the other  States  into  proposed  Compacts  is  still
uncertain.  The  significance  of this  uncertainty  for  this analysis stems  from
two  factors.    First, the number  of  Compacts formed is likely to determine
     Based  on volume reduction factors in DM86
                                    5-6

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the number of disposal sites  constructed  and, hence, the average volume of
waste  disposed  at  each   site.    Moreover,  the  composition  of  individual
Compacts  (by including  or  excluding States)  determines  the  volume of waste
to be disposed of within  a  Compact.  Since disposal  sites presumably  will be
sized to handle the  waste generation of all the States in the Compact,  some
Compacts  may  not reach an economically "efficient" scale (i.e.,  they will not
handle enough waste to make unit disposal costs  as  low as  could otherwise
be  the case).   Second,  the  particular  States  in  a given Compact determine
the  range of  potential  sites  to  be chosen.   Hence,  changes  in Compact
status  may change  the  volume  of waste  disposed   in  the   most  favorable
hydrogeologic  regions and, thus,  the  overall estimate  of population  health
effects.   Since most proposed Compacts include  only  contiguous  States,  this
impact is  likely to be  small.   Finally,  it  should  be noted that each Compact
agreement may  include  other specifications  regarding  waste transportation
and  disposal.   These  specifications may also affect the  impact  of  EPA's
proposed  standards, since  they  can limit  the  degree  of  flexibility in disposal
practice that would  be  present in  the absence of  EPA's  standard.

     Finally,  DOE86 was used  as  the basis for  projecting DOE  LLW  volume
by  hydrogeologic region  from 1985-2004.   Table 5-2   presents the  results of
this  analysis and  shows that 1.83  million cubic meters of DOE waste  will be
generated.   All of  the  DOE  waste volume  projections   in DOE86  assume  a
constant  generation  rate.

     Using  the historical  five-year generation of the major  DOE  sites  and
known location  of  these sites,  DOE86 data  were also  used to  assign  the
projected   DOE  waste  generation   to hydrogeologic   region.   As  shown  in
Table 5-2, virtually no waste  is generated in  humid  impermeable  regions  and
over  half  is  generated  in   arid  permeable  regions.    The  remainder  is
generated  in humid  permeable regions.
                                    5-7

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                                Table  5-2


           PROJECTED  DOE LLW VOLUME  BY REGION, 1985-2004

                        Cubic  Meters As Generated
     Humid                 Humid               Arid               U.S.

   Permeable             Impermeable           Permeable            Total


    795,360                 403               1,035,937          1,831,700
SOURCE:      Putnam,  Hayes  5  Bartlett,  Inc.,  March  1987.   Based  on
              Tables 4.4 and 4.13 in  DOE86.  Excludes saltcrete produced at
              the  Savannah  River  Plant.   See  Appendix  A  for  further
              details.
                                   5-8

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WASTE  CHARACTERISTICS AND  NRC  CLASSIFICATION

     The  25 commercial  LLVv'  streams, two  power  reactor  substreams,  two
consumer  product  wastes,  and  BIOMED  waste  were described  briefly  in
Chapter  3  (see  Table  3-1).   These  wastes  represent the generation  from
five  different types of generators: commercial  nuclear power  reactors  (PWR
and  BWR  wastes);  uranium  conversion and fuel fabrication  facilities;  in-
stitutional  generators  (hospitals,  medical  and  educational  research  labs);
industrial  generators  (including  generation   of  source and  special  nuclear
material trash  and waste,  low activity waste and trash, and high  activity
wastes);  and consumer  products (tritiated   radioluminous dials and smoke
detectors  using  americium-241 ).   Waste form assumptions  for  each of  the
wastes were presented in Table  3-1  and are repeated in  Table 5-3.  How-
ever, it  should be noted that solidified and incinerated  wastes  are treated
the same  in  the  risk analysis, assuming  that incinerated wastes are always
solidified  before  disposal.   Table 5-3 also  presents  the  estimated  specific
activity (in  curies per  cubic meter)  and  total  activity of each waste,  in-
cluding all  of  the 40  radionuclides  in  EPA's  analysis.  The breakdown  of
these activities  by  the  40   radionuclides  tracked  individually  in   the  risk
analysis is presented for each waste in EPA87.

     Under  the classification  scheme  presented in the  NRC's regulations  at
10 CFR 61, certain  high activity  wastes and  wastes with  unstable  forms
(e.g., liquid wastes)  are designated  as Class  B or  Class C  waste.  These
wastes must be  disposed of  using more stringent  practices  (such  as  more
stable  containers  and,  in the case  of Class C wastes,  in deeper   disposal
trenches  --  a  practice  designated as "improved  shallow  land  disposal"  in
this  analysis).

     In anticipation of later  analysis in Chapter 7, the wastes exceeding  the
Class A concentration and form  criteria are noted  in Table 5-3.    Seven  of
the  25  LLW streams  are thus designated as Class  B or  C:  L-IXRESIN,
L-FSLUDGE,  L-DECONRS,   N-TARCETS,   N-TR1TIUM,   N-SOURCES,   and
                                    5-9

-------
                               Table 5-3




       WASTE FORM, ACTIVITY, AND CLASS OF  COMMERCIAL LLW






                                     Average
As Generated
V/aste
Waste Form
Commercial LLW
P-COTRASH
B-COTRASH
L-NCTRASH
L-IXRESIN
L-FSLUDCE
L-CONCLIQ
P-FCARTRC
L-DECONRS
L-NFRCOMP
F-COTRASH
F-NCTRASH
F-PROCESS
U-PROCESS
I-COTRASH
I-BIOWAST
I-ABSLIQD
I-LQSCNVL
N-SSTRASH
N-SSWASTE '
N-LOTRASH
N-LOWASTE
TR
TR
TR
AW
AW
AW
TR
AW
AM
TR
TR
AW
AW
TR
AW
AW
AW
TR
AW
TR
AW
Specific
Activity
(Ci per m )
6.
3.
3.
1 .
8.
1 .
4.
2.
1 .
3.
3.
6.
7.
1.
2.
2.
9.
1 .
2.
3.
2.
73
18
35
45
U6
29
54
34
00
24
09
28
45
18
15
13
60
15
23
67
21
E-2
E-2
E-1
E+1
E + 0
E+0
E + 0
E+1
E+2
E-5
E-5
E-4
E-4
E-1
E-1
E-1
E-3
E-5
E-4
E-2
E-2
Total Activity
1985-2004
f Curies)
1 .
1 .
1 .
1 .
1 .
4.
5.
5.
6.
5.
9.
3.
1 .
3.
1 .
2.
1 .
4.
1 .
3.
1 .
784
056
605
437
108
253
824
243
450
796
805
739
593
314
616
365
440
129
417
705
332
E+4
E+4
E+5
E + 6
E+6
E+5
E+4
E+4
E+6
E+0
E-1
E+1
E+1
E+4
E+3
E+3
E+2
E+0
E+1
E+3
E+3
NRC
Waste
Class
A
A
A
B
B
A
A
C
A
A
A
A\
A
A
A
A
A
A
A
A
A
A
Table continued on  following page.
                                  5-10

-------
                           Table  5-3  (Continued'
       WASTE FORM, ACTIVITY,  AND  CLASS OF  COMMERCIAL LLW
                                       Average
As Generated
Waste
Waste
N-ISOPROD
N-TRITIUM
N-TARCETS
N-SOURCES
LWR Substreams
P-CONDRSN*
* *
L-WASTOIL
Consumer Waste
C-TIMEPCS
C-SMOKDET
Form
TR
TR
AM
. AM

AW

AW

TR
TR
Specific
Activity
(Ci
8.
2.
/ .
9.

8.

6.

3.
2.
per m )
37
21
30
81

95

56

62
17
E+1
E+2
E-2
E+2

E-4

E-5

E-1
E-3
Total Activity
1985-2004
( Curies)
8.
1 .
1 .
5.

6.

1 .

3.
1 .
339
536
739
711

613

391

765
996
E+5
E+6
E + 5
E+5

E+0

E+0

E+5
E^2
NRC
Waste
Class
C
B
B
C

B

A

A
A
Biomedical  Waste

B I CMED
AW
4.50 E-2
1.198 E+4
++   TR  =  trash, AW = absorbed waste, AM = activated metal.
     Activity -for  40  nuclides  included  in  EPA's  risk  assessment.   See
*    EPA87.
     Substream  of  L-IXRESIN.  This  waste  is designated  Class  B  due to
**   waste form, not radionuclide content.
     Substream  of L-CONCLIQ.

SOURCE:  Putnam,  Hayes 6  Bartlett, Inc., March 1987.   Projections  based
          on State-by-State generation estimates, as  detailed  in  Appendix
          A.  The  BIOMED  specific  activity is  likely  to  be  a high  estimate
          but is used  as  a  conservative estimate.

                                  5-11

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N-ISOPROD.    In  addition,  it   should   be   noted  that  the  NRC  stream
B-NCTRASH  would also be classified as  Class  B  or C  waste;  however,  the
aggregate EPA stream, L-NCTRASH, meets the Class A criteria  and, thus,
will be  treated  as  Class  A waste  in  this analysis.  Furthermore,  while  the
variation in the radionuclide content of all the  LLW received at a given site
is  likely to be close on average  to  the values listed  in  Table 5-3,  individual
shipments  from certain  generators are  likely to   deviate significantly from
the average.    For  example,  the  NRC   study  of  the  BRC  waste  stream,
P-CONDRSN,  indicated that individual  samples  varied  by  a factor  of  1,310
and that only 75 percent of the  samples  had a total curie content within  one
order of magnitude of  the  average [DM84].   In this  EIA,  variations in  the
radionuclide content of individual  waste  shipments  are assumed not  to affect
the  disposal   practice  employed  for   the   waste   (i.e.,   designation   of
"substreams"  is assumed  not to  occur).   However, the substream  issue  will
be addressed  in sensitivity analyses.
                                    5-12

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CHARACTERIZATION  OF NARM AND
IMPACT  ANALYSIS  OF A NARW LIMIT                             Chapter 6
     Unlike  LLW,  naturally-occurring  and  accelerator-produced  radioactive
material  (NARM)   is  not  subject  to  AEA  regulation,  which  covers  only
uranium  or thorium  ores  used  for  nuclear  fuel  and manmade  radionuclides
                                                       *
associated  with  nuclear  fission  or  defense activities.    While disposal  of
NARM  waste  is currently unregulated by Federal authorities, it  is regulated
to  differing   degrees  by   State  agencies  as   a  result  of  licensing  and
registration requirements.

     EPA   is   proposing  to  regulate,  under   the  authority  of  the  Toxic
Substances  Control  Act  (TSCA),  the disposal of  higher  activity  NARM
wastes, defined as  wastes  whose  specific  activity exceeds  2 nCi per  gram.
In addition,  some types of  wastes  will  be  exempted  from this  proposed limit
of 2 nCi  per  gram  due to  the  high  costs associated  with their regulated
disposal.   These  wastes  generally  are  widely  distributed among consumers,
resulting   in   high  collection costs  if regulated.    Because  of  this  wide
distribution,   unregulated   disposal  of  these   wastes  generally   involves
dispersion  throughout 'the environment. However,  in order  to prevent large
individual  risks from a  possible  large  source or a  package  containing many
sources, an  overall  total  activity  cut-off  of 0.05 mCi  per  item or  package
also  is  specified  as  part of  EPA's proposed  regulation of NARM.   If  any
item  or  package  containing  NARM  items   exceeds  0.05 mCi,  that  item  or
package  would no longer be  exempted from the proposed   2  nCi  per gram
limit.
     Technically,  the AEA covers  "source, byproduct,  and  special nuclear
     material."
                                    6-1

-------
     In support of this  regulation, EPA has investigated  the many  different
sources  of  NARM waste  and  has  characterized  these  wastes  at  a  level
sufficient to estimate  the costs and  risks  of  regulatory  alternatives.  The
primary purpose  of this chapter is to  summarize the  characteristics  of NARM
waste  (such as waste  volume,  form,  and  radionuclide content)  that  affect
the Economic Impact Assessment.

     Materials  that   contain  naturally-occurring  radionuclides   (including,
principally,   uranium-238,  thorium-232,  and  radium-226  and  their  decay
                      *
products) are  diverse.     In some cases, the NARM nuclides  are incidental
contaminants (as  in certain building materials and  coal) and, in other cases,
they  are  recovered  from  naturally-occurring  ores  to  provide   specific
properties  (such  as  radium used  as  a source for medical radiation  therapy
and  thorium used in metal alloys).    When  the  use  of  such  materials  or
devices ends,  a   waste  containing  NARM  radionuclides is generated  (e.g.,
demolition  building   materials,   boiler  ash,  obsolete   sources,   and  scrap
metal).   NARM waste can  also  arise  from target  irradiation during  the use
of accelerators  for  physics  research  (which  results  in  radioactive  waste
during operations and eventually  during decommissioning  of  the facility) and
when ion-exchange resins are  used to  remove naturally-occurring radium or
uranium  from  groundwater  (resulting  in  radium- or  uranium-loaded  waste
resins).

     The  NARM   analysis  was  conducted  in   two  parts.   A   preliminary
scoping  analysis  was conducted  to determine  which  types  of NARM waste
warranted  further consideration  for  purposes  of establishing  a  regulatory
     NARM  includes a large number of nuclides.  CRCPD81  lists 41  examples
     of  naturally-occurring   nuclides   and  50  examples   of  accelerator-
     produced  nuclides.   However,  the  great majority of  these   nuclides
     have  short  half-lives  and,  therefore,  decay  quickly  and  are  not  a
     disposal  problem.   While  uranium  and  thorium  are often contained  in
     AEA materials,  some natural ores contain an  insufficient  concentration
     of  fissionable  material   (e.g.,   U-235)  to  be   classified'  as  source
     materials under the AEA.   Hence,  U-238 and Th-232  are  also contained
     in NARM.

                                    6-2

-------
limit.  The preliminary analysis  was followed by  a more detailed assessment
of these  remaining  NARM  wastes.   On the  basis of  preliminary  analysis,
"diffuse"  NARM  wastes (i.e.,  those  wastes characterized by  relatively  large
volume and low average radionuclide concentration) were not  included in  the
detailed   cost   and   risk  assessment  presented  below.    The   disposal
technologies  that are likely to be most appropriate for diffuse  wastes  differ
substantially  from those  generally  considered  for LLVV;  EPA  believes  that
these different  technologies may require consideration  in a  later regulatory
action.   Finally,  the  NARM wastes considered  in  the  preliminary  analysis do
not  specifically  contain accelerator-produced radionuclide  material,  since a
detailed  radiological  characterization  of accelerator  waste  is  not currently
available.  However,  the  radioactive waste generated  by currently operating
accelerators  is  extremely  small  (about one  drum per  year);  this  waste is
disposed  in  regulated disposal  facilities,  usually in  conjunction  with   AEA
material  [PEI85a,  Appendix A].

     Appendix  H presents  the results of the  preliminary  scoping  analysis
which  considers nine  NARM waste  categories.  This  appendix  characterizes
the  wastes and compares  the  costs and risks of regulated and unregulated
disposal   of  the  four  "diffuse"   wastes  and  five   other   wastes   (labeled
"discrete").   The preliminary analysis  supports  the  notion that  "diffuse"
NARM  wastes are generally not cost-effective to regulate (using typical  LLVV
disposal   technologies),  while  some   discrete  NARM  are  generally   very
cost-effective to  regulate.  Consequently,  the  first section of this chapter
presents  a  more  detailed  characterization  of  the remaining  five  discrete
NARM  categories; this characterization provides the  background  for  the
final cost  and risk analysis,  which  is  presented  in  the last section of this
chapter and  is  summarized  in  Chapter  8.  For  the final analysis, these five
NARM  categories were rearranged  into six  categories to  provide a  more
accurate  analysis of the  costs and risks  of various  disposal practices.  In
part, this redefinition of  discrete NARM waste categories  was  necessary to
incorporate the  consideration  of  collection costs  that would  be  incurred if
certain  NARM  wastes  were disposed  in  regulated facilities;  collection  costs
                                     6-3

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are also  discussed in the first section  of this chapter.   The second  section
of the chapter describes current disposal  practice for  discrete  NARM wastes
and  the  various  State  requirements  for NARM  disposal.   Current  disposal
practice  for  some NARM,  as  described  here,  is  somewhat uncertain.  Since
current  practice  normally would  define  the  base case  against which  the
economic impacts  of  regulation would be measured,  this  uncertainty  results
in a range of  possible base cases.   Finally,  the last  section of the chapter
presents  the  economic   impacts  associated  with  regulating  certain  NARM
waste streams.
CHARACTERIZATION  OF DISCRETE NARM
SOURCES FOR FURTHER ANALYSIS

Description  and Segmentation

     Based  on the  preliminary  NARM analysis,  discrete  NARM  wastes  were
redefined for the  final  analysis.   This  redefinition was  prompted  by three
considerations:  (1)  the  unit costs  and risks  of  disposal  for  radium  and
radium-beryllium sources appear to be fairly  similar;  (2)  some substreams of
the  NARM   category  R-INSTDIF  are   frequently  already  disposed  of in
regulated facilities;  and  (3)  many other  NARM substreams  would  require
unusually  high  regulated  disposal costs  not  included  in  the  preliminary
analysis.     These  high  costs  arise  from  the  need  to  identify  and collect
these  items  from  widely  distributed  locations (these items are  generally in
the  possession  of  consumers   who  may  be  unaware  of  their  radioactive
content).  The  redefinition resulted  in  six discrete NARM  waste categories,
as follows:

     1.   R-RASOURC:   This  category   includes the  preliminary  categories
          of  R-RABESRC  and  R-SOURCES.   It  includes  radium-beryllium
          neutron  sources, medical  radium  sources (needles,  plaques, cells,
          and nasopharyngeal  applicators),  radium  thickness  gauges,  and

                                     6-U

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oilwell   borehole  logging   instruments  containing   radium.    In
general,  medical sources are assumed to account for  more than 80
percent  of  the projected  waste  volume  [PEI85a, Appendix  B],
The  different  types  of  sources  contain  between  14  and  1,000
millicuries of  radium-226  each. . The generation and  radionuclide
assumptions  for  this  waste   category  are   based   on  PEI85a;
however,  the  NRC [DM86]  has also characterized two of the  sub-
streams  (radium-beryllium  neutron  sources  and  four  different
types  of medical   radium   sources),  as well  as a  "non-medical
source" category.   The  NRC  characterization  is  based  in part on
data   collected   by   EPA's   Montgomery,    Alabama,   Eastern
Environmental  Radiation  Facility  (EERF).   The  EERF  data   also
provide the basis  for  the  NRC regional allocation of  waste volume
presented in DM86.

R-RAIXRSN:   Radium  ion-exchange   resins  are used  to  filter
groundwater used  for  public  water  supplies to  remove  radium-226
dissolved  in the water and to process waste  water from  uranium
recovery operations.   These  resins are still  being developed  and
                                                   •
are  not  yet  in   widespread  use.   Known  areas  of  radium-
contaminated groundwater are  located  in Maine,  Iowa, Illinois,  and
New  Hampshire;  however,  few U.S.   public  water  supplies  have
been  fully  characterized.   According  to  DM86,  a  pilot  program
conducted  by  Dow Chemical  Company predicts that  waste resins
will have a  radium loading  of 1 millicurie per cubic foot (35.3  mCi
per cubic meter),  but expects that commercial generation will not
begin  until  the   1990s.   PEI85a   assumes   a  lower   average
concentration   of   18   mCi   per  cubic   meter.   This  lower
concentration  is used  in EPA's risk assessment, but is  associated
with a  higher  20-year  waste  volume  (6,600  cubic  meters)  than
would  be predicted  by DM86,  which assumes  generation of 212.4
cubic meters per year starting in 1990, for a total of 3,186 cubic
meters between 1985 and 2004.  Hence, the total  disposed radium
                          6-5

-------
     activity differs  by less than  six  percent  between  the  NRC and
     EPA analyses.

3.    R-CLASDS1:   This   category   includes  all  of  the  substreams
     originally  included  in   R-CLASDIS,  except uranium  glassware.
     These  substreams include:   ophthalmic glass, sun  and germicidal
     exterior   lamps.    incandescent    mantles    (uranium-238   and
     thorium-232),  illumination  equipment  and high-pressure  mercury
     vapor lamps, fluorescent lamps, and ceramic artificial  teeth.  The
     wastes  in   R-CLASDS1  are  generally  believed  to   be  widely
     dispersed  and currently in the possession  of consumers  who may
     be unaware  of their  radioactive content.   As discussed below and
     in  Appendix  C,  regulated  disposal of these  wastes would be more
     costly than for typical  LLW, since the cost  to identify and collect
     them for shipment to  a  regulated facility  could be substantial.

4.    R-CLASDS2:   This  category  includes  the  single  substream  of
     uranium  glassware.   This  material consists of  certain  types  of
     glass  and ceramic dinnerware  that have  been coated with a glaze
     containing  uranium-238.   PEI85a   reports that  the use  of such
     glazes   is  no  longer  permitted   in  the U.S.;  however,  some
     materials may enter the  country inadvertently.   EPA assumes that
     this  very  small  volume  waste  would  not be  subject  to  the
     collection  costs   described  above  for R-CLASDS1  (although  no
     additional costs  are  added in  the  analysis,  cost  would depend  on
     the  means  of  locating the  material;   some glassware  may  be
     intercepted at the point of import  to the  U.S.).

5.    R-INSTDF1:   This   category   includes  all  of   the   substreams
     originally included  in   R-INSTDIF.  except for  commercial and
     military  radium  aircraft dials  and personnel neutron dosimeters
     (which  contain thorium fluoride).  About 80 percent of the waste
     volume  is accounted  for by timepieces  (clocks  and wristwatches)
     with   faces   that   were    painted   with    a    radium-containing
                               6-6

-------
          radioluminous  paint.   Other substreams  include  radium-containing
          smoke  detectors,   static  eliminators  (containing  polonium-210),
          radium-painted  radioluminous  aircraft  dials  used   in   private
          aircraft,  radium dial  watches  (differentiated from timepieces by  a
          higher radium content per piece,  but much  fewer in number), and
          uranium-containing paints  (which  constitute about  14 percent  of
          the volume).  All  of  the waste in this category  is assumed to be
          subject to the collection  costs  described above  for R-GLASDS1.

     6.    R-INSTDF2:   This category contains  radium dials used in military
          and  commercial   aircraft   instruments,  and  personnel   neutron
          dosimeters   (which  contain   thorium  fluoride).    According   to
          PEI85a,  all of the  items  in  this category  are currently disposed  of
          in  regulated  LLW  facilities.  Since these items are relatively easy
          to  locate, and because  a disposal  system  is  currently  in  place,
          collection costs are assumed not to apply to these wastes.

Volume, Waste  Form,  and Radionuclide Content

     Table 6-1  summarizes the  regional volumes and  waste  form used  in the
final  cost and risk  assessment  of  discrete  NARM  wastes.    Volume  by
hydrogeologic  region   is  derived  using  the  methodology  described   in
Appendix  A;  in general,  volumes  for wastes  other  than R-RASOURC were
allocated based  on  State population.   Radium source  volumes  were allocated
based  on  the  NRC  regional  distribution  cited  in  DM86  and  by  State
population within   NRC  region.   As  in the   preliminary   NARM  analysis,
volume  estimates assume a  constant  generation for  20  years,  from  1985  to
2004.

     Table 6-2 summarizes  the  average  concentration of the three  principal
NARM  radionuclides for  each of the  six wastes,  together with total  U.S.
volume  and  the concentration in selected substreams.  These  data  are used
to   determine   compliance   with   alternative   NARM limits,   as discussed

                                    6-7

-------
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later  in  this  chapter,  and  are based  on average  substream  concentration
estimates  presented  in  Appendix B  of  PEI85a.   As  with the  preliminary
NARM  analysis, the  concentration of the long-lived decay products of the
principal  radionuclides   was   determined,   assuming  secular  equilibrium.
Because  of  limitations  in  the  PRESTO-EPA  risk assessment  models,  three
radionuclides   were  dropped  from  the final   assessment   (bismuth-212,
radium-22U, and  thorium-230).   Radon  risks  were calculated  outside of the
PRESTO-EPA models  using a  separate methodology.

Collection Costs

     The  derivation  of  costs  for typical regulated LLW  facilities  includes
component  costs  for packaging,  processing,  transportation,  and  disposal.
The  cost derivation assumes  that the  cost of identifying the waste is  small
and  that a sufficient volume  of waste is generated at each generator facility
for  economic   transportation  quantities  (e.g.,  a  full  truckload)  to  be
available.  For low-level  wastes (e.g., from  power reactors),  these  implicit
assumptions are generally true.   However, for consumer-type wastes  (such
as  those  included  in  R-CLASDS1  and R-INSTDF1),  identification  and
collection  costs could  be significant,  since  each  "generator"  possesses  a
very small volume  of waste.  While unregulated  disposal would simply  entail
discarding  the  item  in  the  trash,  any  regulated  disposal  practice  would
incur unusual collection  costs.

     Appendix  C  includes   a  detailed   derivation   of  collection  costs  for
consumer-type wastes.   In   general,  the analysis  assumes  that  the  waste
would  be transported by the consumer  to a  local post office,  where it  would
be  returned  by   mail  to  the  manufacturer.   The  manufacturer  is  then
assumed to incur  a disposal  cost that  is typical  of LLW,  since economic
disposal  quantities would  be  present.   The  collection cost analysis includes
seven   separate   cost  components,  including  packaging,   transportation,
postage, and  the  value of time required  to package  and mail  the item.   The
analysis  does  not  include other  potentially  significant cost items, such  as

                                   6-10

-------
the  cost  of  helping  consumers  identify  those  items  needing  regulated
disposal.

     Based  on  the  average  weight  and  density  of an   item  [PEI85a],
collection  costs for regulated disposal of R-GLASDS1 and R-INSTDF1 are as
follows:

                             Collection Cost
               Waste                              ($/cubic meter)

           1.   R-CLASDS1                            $220,000
           2.   R-INSTDF1                            $250.000

As  can be observed  by  comparing  these  estimates with other  typical  LLW
disposal cost components  (described  in Chapter 3).  collection costs are very
significant on  a  per-cubic-meter basis;  these costs,  therefore,  have  a
substantial impact on the cost-effectiveness  ratios  that are  calculated  later
for these  wastes.
STATE  REGULATION OF  NARM AND CURRENT DISPOSAL PRACTICE

     The  NRC is the  Federal  agency  with  responsibility  for licensing  all
commercial AEA radioactive  material.   The  NRC  has delegated its  licensing
authority   to   27  States,  called  "Agreement  States."    Agreement  State
licensing  requirements  must abide by NRC guidelines.   However, under the
Atomic Energy Act of 1954 and Reorganization Plan 13  of 1970, only certain
radioactive  material  falls  under  NRC  purview,  namely  nuclear  source,
byproduct,  and special nuclear material.   Therefore, NRC's authority  does
not encompass  wastes containing NARM.

     Currently, proper disposal of NARM waste is left within the domain of
State jurisdiction.   In  general, if a  State has statutory authority to license

                                   6-11

-------
possession of  NARM,  it  also  has authority  to  regulate  proper  disposal.
Usually,  licenses are granted  with  provisions which  govern the acquisition,
distribution,   use,   possession,  transfer,  and disposal of  all  radioactive
material.   However,  disposal  requirements are  often  no more  specific than
requiring  transfer   to  an  authorized  recipient.   Among  non-Agreement
States,  regulation  of NARM  is  also  inconsistent, as  summarized  in  Table
6-3.

     States that issue licenses  for possession of  NARM  and  regulate  its
disposal must  draw such authority from their own enabling  legislation.  This
is typically done in  two ways.  The NRC may delegate licensing authority  to
the  State  (which becomes an Agreement  State), provided  that the  State
incorporates   Federal   regulations  (or  more  stringent  requirements)  on
licensing  and  waste disposal  into  State statutes.   Agreement  States  usually
have  enabling  legislation  which  redefines  radioactive material  to  include
NARM  (or  at  least  naturally-occurring  radium).   Currently,  33   States
license  NARM.   A  non-Agreement  State  can   also  draft  comprehensive
legislation that  .separately   regulates  licensing  and  disposal  of   NARM
radioactive  waste.   Non-Agreement   States  that  license  NARM  are  the
following:  Delaware,  Illinois,  New  Jersey, Pennsylvania, South Dakota, and
Virginia.   Licensing  States   have  often  relied  on  the  "Suggested  State
Regulations for  Control of  Radiation"  (SSRCR),  which are  published  and
sponsored by the Conference of Radiation  Control  Program Directors,  Inc.
(CRCPD),  to  formulate  licensing  requirements  for  naturally-occurring
radium.   A recent  revision  to  Part  D  of  the  SSRCR has incorporated  a
Class  C  limit of 100  nCi/g  for  radium.    On May  18,  1986, the  CRCPD
adopted  a resolution urging  each State  to provide for disposal  of discrete
NARM  sources, in their regional  LLW  disposal facility  in addition to urging
DOE to promote  within Congress the acceptance  of above-Class  C NARM  at
DOE disposal  facilities.
                                    6-12

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     States  that do not  license  NARM  (and,  therefore, do not  regulate
NARM  disposal)  usually  register  possession  of  radium  sources.    Unlike
licensing  States,  registering States have much less control  over conditions
of  possession,  use,  transfer,  or  disposal of  radioactive  material.   The
following  States  only  register  radium  sources:    Alaska,  the  District  of
Columbia,  Hawaii,  Indiana,  Iowa,  Massachusetts,  Michigan,  Minnesota,
Missouri,  Ohio,  Oklahoma, Vermont, West Virginia,  Wisconsin, and Wyoming.
Currently,  Connecticut,  Maine,  Montana,  Puerto  Rico, and  the  Virgin
Islands neither register nor license NARM.

Current Disposal Practice

     PEI85a  reports that,  in   the  past.  R-RASOURC,  R-RAIXRSN,  and
R-INSTDF2  usually  have  been  disposed  of  in   regulated  LLW facilities,
                                                                 *
except for radium thickness gauges  (a  substream  of R-RASOURC).    PEI85a
also reports  that  past disposal practice for   R-CLADS1,  R-CLADS2,  and
R-INSTDF1  involved disposal at a public landfill;  given the types of  wastes
involved  (namely,  consumer-like wastes),  current disposal  practice  is  not
likely  to deviate from  past practice.   However, in  the case of those  wastes
previously disposed in regulated  LLW facilities,  considerable  uncertainty
exists  with  regard  to current  disposal  practice  due  to the  absence  of
Federal regulation and  widely varying  State requirements.

     Licensing States  usually regulate  the  disposal of  NARM waste  under
the  terms  of  the   license.   Typically,  three  general   provisions  affect
radioactive  waste disposal  under  State license.  Radioactive waste may  be
released  into  sanitary sewage  systems  or landfills,   if  such  wastes  are
diluted to  acceptable  concentrations,  as  provided in  the  State  emission
     PEISSa  also  reports  that lightning rods  made  with radium,  uranium
     used  in  counterweights, uranium  radiation  shielding,  and  chemical
     catalysts  containing antimony  uranium oxide all also are disposed of at
     regulated  LLW  disposal  facilities.   Except  for  lightning  rods,  all  of
     these wastes are diffuse wastes.  None  is  included  in the six discrete
     NARM wastes considered in the  final analysis.

                                    6-16

-------
concentration table.  Second, the waste material  may be  held  in storage for
decay  until  it  decays down  to  levels  suitable  for  disposal  in  a  sanitary
landfill.   For  instance,  the  State  of Delaware  has a  provision  that  decay
through  storage  is  allowed   for   isotopes   with  half-lives   no  greater
than  65 days.   In the case  of radium,  which has a half-life of 1,620 years,
this  alternative clearly  is  not  feasible,  although  storage  for  decay  is
practiced for accelerator-produced  nuclides.   Finally,  radioactive waste  may
be transferred to an "authorized  recipient," as provided  for in the licensing
regulations.   An  authorized  recipient  can be another user  with  a  license
that  allows  for  such  transfer,  a  licensed  disposal  site, or  a  Federally-
licensed  facility  (such  as   a  LLW  disposal  facility).   In all  cases,  the
recipient  must  be authorized  to  receive  the specific  radioactive  material
under the  terms of its  license.

     As  is evident in  later  discussion in this chapter, of the three  NARM
wastes  that  have been  disposed  of  at  regulated facilities  in  the  past,
characterizing  current disposal  practice  is most  important for two of those
wastes,  R-RASOURC and R-RAIXRSN,  given their contribution to total cost
and population health effects.

     Because  of  the  very  high  levels  of  activity  for  radium  sources
(R-RASOURC)  and  uncertainty  over  future  regulatory   requirements,  the
majority  of this  NARM waste is  usually  kept in  storage  or transferred for
disposal  to a  regulated  LLW facility.   However,  as  of fall 1986,  only  two
currently  operating   LLW   facilities   were   accepting   NARM   (Hanford,
                                  *
Washington and  Beatty,  Nevada).    The Hanford facility will  only accept
discrete  radium  sources  which  are  packaged so  that  the package activity
does not exceed  100 nanocuries per gram  by  stabilized  weight  (this limit
precludes  disposal of many radium  sources).   Until  recently, the  Nevada
     Based  on telephone conversations with William Dornsife of the  CRCPD,
     September 11,  1986.
                                    6-17

-------
facility  was accepting  NARM in high tech sealed containers.    The cost for
packaging  NARM material  can  range  up  to  $2,000  for  one  radium  needle.
As a  result, most NARM  waste remains in storage under licensed  conditions
or is  transferred from  one user  to  another  for  storage.  At  the same time,
anecdotal evidence also suggests that  some sources have been disposed of in
                                                            **
an  unregulated manner,   or  have  been  lost  or misplaced.     Therefore,
considerable uncertainty  exists as  to  the appropriate base  case  to  use in
measuring  the impacts associated with the regulation of R-RASOURC.

     Disposal   of   radium-loaded   water  treatment  ion-exchange   resins
(R-RAIXRSN)  has  also  been  guided  by  license  requirements.    In  New
Hampshire, radium-loaded resins  previously were  accepted  for disposal in
State  sanitary  landfills under  the  assumption that each resin filter  did not
exceed a certain activity  level.  Such  disposal  is no longer permitted.  Ion-
exchange resin  disposal alternatives are currently  under examination at the
                             ***
University  of New Hampshire.      Another significant source of uncertainty
arises   in   determining  the   current  disposal  practice  associated  with
R-RAIXRSN since  large scale  use of ion-exchange  resins in  municipal water
facilities is not expected to occur until  1990.

     Due to the greatly  increased  cost of  disposal, and  reluctance  on the
part of site operators to  accept  this  type of  waste,  NARM  was  actively
disposed of more in  the  past  than it  is  today.   From  1971  to  1981,  NARM
waste was  collected  and  voluntarily stored  at  EPA's  EERF  in  Montgomery,
Alabama.   The  program represented a  coordinated  effort  between the  U.S.
     The  facility at Beatty, Nevada recently discontinued  accepting  NARM,
     according to statements by  Terry  Devine,  Technical  Assistant  to the
     CRCPD.  February 24. 1987.
**
     Memorandum   from   Sheldon   Meyers,   Director,  Office   of   Radiation
     Programs,  to  Charles L.  Elkins,  Director, Office of Toxic Substances,
     U.S.  Environmental  Protection Agency,  July 20,  1987.
***
     Based on   telephone conversations  with  Diane  E.   Tefft,  Program
     Manager, Radiological Health Program,  New  Hampshire, September 22,
     1986.
                                   6-18

-------
Department of  Health,  Education and  Welfare  (HEW)  and EPA.   While  in
operation.  EERF collected  about 150 grams of radium  from 13,000 sources
[NRC86a].  This  waste was later  transferred  to the  LLW disposal site  at
         *
Hanford.    EPA  and  HEW  maintained   detailed  records   of  these  NARM
materials;  this  database  provides much  of the  NARM  characterization  data
underlying this analysis.

     A   pilot   project  currently  being   undertaken  by  the   CRCPD  has
estimated that  at  least 125  curies of orphaned discrete radium sources are
                                    **
still  stored for disposal [CRCPD86],    The  CRCPD obtained approval  from
the State of Nevada to use the Beatty disposal site.   EPA  agreed to furnish
6-M  overpack  containers to  dispose of  radium  sources in  conjunction  with
the  use of a  specialized  55 gallon drum containing  a steel  capsule  for
                                 ***
discrete   source   encapsulation.        Some   of  these   containers   are
being made available  to  selected States.   In  the context  of this analysis,
such  disposal   is   probably  closely  analogous  to  using  high   integrity
containers  for  solidified waste disposal.

     The principal  problem when determining  the disposition of NARM waste
comes from the great  uncertainty in States which do not license  NARM.   As
mentioned  briefly,   registering States do  not regulate  disposal.   Although
these States recommend that  NARM  waste be transferred to  licensed disposal
facilities, the  high  cost of disposal  could result in improper disposal or
     Based  on conversations  with  Jeannine T.  Lewis,  Center for  Devices
     and Radiological Health, Food and  Drug Administration,  January 1986.
**
     Although'a  definitive  determination  was  not  possible,  conversations
     with CRCPD representatives  suggest that new radium  sources are no
     longer manufactured (radium  has* been replaced  by other  isotopes).
     PEI85a notes that radium  sources  are often  still  useful  for  calibration
     purposes due to the long half-life  of  radium.
***
     Detailed disposal  guidelines are contained in  CRCPD86.
                                   6-19

-------
unsafe  storage.   Unlike  licensees,  which   must  renew  their   permits
periodically   to  retain  possession  and  continue  use  of  NARM  material,
non-licensing   States  have   only  informal  inspections   and  enforcement
mechanisms.    The  net   result   is  that   disposition  of   NARM   waste  in
non-licensing States is highly uncertain.

Base Case Assumption

     For purposes of analysis, a base case assumption must be made so that
the economic  impacts  associated  with  current  practice  (projected over  20
years)  can   be  estimated.   As  mentioned  above,  disposal  practice  for
R-CLADS1,  R-CLASDS2,  and  R-INSTDF1  has  in the past been  consistent
with unregulated disposal  and is  likely to remain as such.  Therefore,  the
base case for  these  wastes assumes unregulated disposal  as  representative
of current  practice.  Given the  uncertainty with the current  disposition of
R-RASOURC  and  R-RAIXRSN, a  range of possible base cases is  assumed.
Effectively,  in  the absence of  Federal  regulation, the base  case could  range
from assuming  all  of R-RASOURC  and R-RAIXRSN would be disposed of in a
regulated manner  to assuming all  of these wastes  would be disposed of in an
unregulated manner.   Since it is  known that the majority  of radium  sources
are stored  currently,  assuming that all of this waste would be disposed of
in an  unregulated manner might  be viewed as  an  unrealistic assumption.
However,  significant  health risks  may be associated with  improper  storage
or handling.   EPA has  not estimated  these risks  since storage is believed
                                     *
not to be amenable to risk modelling.    Since  the costs and  health effects
associated with the regulated and  unregulated disposal  of R-INSTDF2  are
very   small,   as  highlighted  in  the   next  section,  the  significance  of
characterizing .current  practice is  reduced.   For  simplicity,  the  base case
assumes unregulated  disposal  for  R-INSTDF2.  Given  the curie concentration
and  stability of R-RAIXRSN and  R-RASOURC,  these wastes would likely be
treated as Class C, if regulated,  while the other four NARM would likely be
treated as Class A wastes.
     Memorandum from Sheldon  Meyers to Charles  L.  Elkins, op. cit.

                                   6-20

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FINAL COST-EFFECTIVENESS ANALYSIS
AND EVALUATION  OF NARM LIMITS

     This  section   presents  the   results  of  the  economic  analysis  of
alternative limits for NARM waste  disposal.  This analysis  provides both a
comparison  of  the  costs  and  population  health  effects of  regulated  and
unregulated  disposal for  the  six   NARM wastes  and  compares alternative
levels of a limit for  those shown to  be the most cost-effective  to  regulate.

Wastes Included in  the NARM  Analysis

     As described previously,  six  NARM waste categories are  considered in
the   detailed   analysis    of   alternative   NARM   standards.   including:
R-RASOURC,   R-RAIXRSN,   R-CLASDS1.   R-GLASDS2,  R-INSTDF1.   and
R-INSTDF2.  For  purposes of analysis,  current .disposal practice  for these
wastes will  be  considered  to  range from  unregulated disposal  for all  six
NARM  to  regulated  disposal   for  R-RASOURC   and  R-RAIXRSN,  with
unregulated disposal for  the other  four  NARM.
RESULTS OF THE NARM ANALYSIS

Costs, Population  Health Effects, and  Cost-Effectiveness

     Table 6-4 presents the  costs and  population health effects  of  regulated
and  unregulated disposal  of the six   NARM  wastes.  Unregulated  disposal
would  cost  less than  $500,000  (in  present  value terms)  over  the  next 20
years, but  would result  in  about 78   health effects.  About 86 percent of
the  population  health  effects  are  attributable to  R-RASOURC.   While
regulated disposal of the six NARM wastes  would reduce the health effects
by  nearly  98  percent  (to about  1.7  health  effects),  this  reduction  would
cost nearly $5.9 billion,  primarily  as  a result  of the  very high  collection
                                   6-21

-------
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6-22

-------
costs associated  with  regulated disposal  of the two  consumer-like  wastes,
R-GLASDS1 and  R-INSTDF1.   The contribution to cost and  health  effects
for  both  regulated  and   unregulated   disposal  is   negligible  for  both
R-CLASDS2 and R-INSTDF2.

     The  uneven  distribution  of cost and  population  health  effects across
wastes  implies a  large  difference in  the  cost-effectiveness  of regulated
disposal.   The  cost-effectiveness  ratios,  which  compare  regulated   and
unregulated disposal for each  of  the three hydrogeologic regions  and the
U.S.,  are presented in Table  6-5.   For  the  U.S. on average,  ratios  vary
by  nearly five orders  of  magnitude, from  less than $50,000  per  avoided
health   effect   for  regulation  of  R-RASOURC  to  nearly  $1.4  billion  per
avoided  health  effect  for  regulation of  R-CLASDS1.   At  values   for  an
avoided health effect  ranging  from  $6 million  (a  value  which  R-RASOURC
and  R-RAIXRSN  would  both   fall  under)  just up  to  $28  million  (which
effectively excludes  R-CLASDS2),  only  R-RASOURC  and R-RAIXRSN are
cost-effective   to  regulate.   However,   the   economic  impacts  of  values
between  $28 million  and $320 million  are virtually  identical.   Between these
values, both  R-GLASDS2  and  R-INSTDF2  would  be  regulated  and would
contribute an  insignificant  incremental fraction of total costs and risks  (less
than $60,000 in cost and less than 0.01  health effects for either regulated
or unregulated disposal).

Evaluation of Alternative NARM Standards

     As discussed in Chapter  1,  EPA has fairly broad  regulatory authority
under  TSCA to establish a  form of a  standard; however, the  El A is limited
to considering  the alternate forms of  a standard believed by EPA to be the
most appropriate  methods for regulating those NARM wastes thought  suitable
for regulation at  this time.

     The   25  millirem   CPC standard proposed for  the disposal  of  LLW
includes higher activity NARM wastes.   The  rationale for  this  decision is
that higher activity NARM  wastes exhibit the same properties and  hazards

                                   6-23

-------
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                      6-24

-------
as LLW and,  therefore, should  be disposed of in the same facilities subject
to  the  same  levels  of  control.    This  requirement  is  also  the   least
burdensome  since  NARM  volumes  are very small;  there  is  little  economic
justification  for sending  these  higher activity  NARM  to sites  other  than
those already  sited and designed  to  accept LLW.   The  alternative disposal
limits EPA considered for NARM waste disposal concern  the values to  use in
delineating  higher activity  NARM covered  by  the  LLW standard from  the
lower activity  NARM  not suitable for disposal in  LLW facilities.

     In considering  methods  of  setting  a  limit for  higher  activity  NARM
waste,  initial  consideration was given  to constructing  a  single  method  to
define what constituted  a  higher activity  NARM  waste.   A  total activity  limit
was considered as  a  method of accomplishing this.   However,  a total activity
limit alone was  dismissed because NARM wastes vary from individual discrete
sources to voluminous  diffuse waste streams.   Consequently, a single value
for total  activity  might not completely define  the  NARM  wastes  that  EPA
intends to  regulate  (for  example,  large  piles).   Because of this, a  limit
relating to specific activity  was  also considered.   Specific activity delineates
higher activity NARM wastes resembling AEA wastes (those wastes that EPA
believes   are   appropriate   for  inclusion  in  this  regulation  as   low-level
radioactive  NARM  wastes at this time).   As a  second alternative, a specific
activity limit  with  certain waste streams explicitly exempted was  considered
as an  alternative form  to ensure the  inclusion  of those streams  considered
for regulation by  EPA while excluding those deemed  to  be a very  low  risk
and not cost-effective to regulate.

     These  last two  alternatives,  a  specific  activity limit  and  a specific
activity limit  with  waste stream  exemptions, were considered to  be the two
viable  forms of the limit.  A specific activity limit is measured in  nanocuries
(1.00  E-9  curies)  per gram  (nCi/g).   For  a discrete  item  (such  as  a
source) that  has  a  uniform  size  and  weight,  a  specific  activity limit  is
similar  to  a limit  on  total  activity  per item.   The analysis in this section
                                    6-25

-------
relies  on  the nuclide concentrations  listed in Table  6-2  and  the  average
density assumptions listed in  Table H-2, Appendix H.  The limit applies to
the  combined   specific  activity   of   the  three  nuclides,   radium-226,
uranium-238,  and  thorium-232   (and  applies,  of  course,  only  to  NARM
wastes).  The  limit of  the  standard,  2  nCi per gram,  is equal to the DOT
limit on materials  classified  as  radioactive  for  transportation  packaging
purposes.

     The second  form of the  limit considered,  a  specific activity limit with
waste stream exemptions, would  retain the specific activity  limit as  outlined
above but would  exempt from  regulation those wastes that are  deemed to be
a very  low  risk and  not cost-effective to  regulate.  Those  wastes explicitly
exempted  from the 2 nCi  per  gram limit  include  the uranium glassware
(R-CLASDS2)  and  the  waste  substreams  found  in the  two  consumer-like
NARM wastes —  R-CLASDS1 and R-INSTDF1.*

     Tables   6-6  and  6-7  summarize  the  economic  impacts   of  the  two
alternative NARM standards.  The  two impacts tables differ  in  the base case
assumption made  with regard to current disposal practice for NARM.   These
two  assumptions  concerning current  practice cover the  range  of  possible
base cases  and,  therefore, the range of possible economic  impacts.   In
Table 6-6,  R-RASOURC  and R-RAIXRSN are assumed to be regulated  under
current  practice,  whereas the  other  four  NARM  are  assumed  to  be
unregulated.  In  Table 6-7, the  base  case assumes that all  of the six  NARM
waste  volumes  are  unregulated  under  current  practice.   Based on  this
*
     Some  substreams of R-CLASDS1  and R-INSTDF1  may not  be  explicitly
     exempted-in the regulatory  language  proposed for the NARM limit  since
     these substreams  are  expected to meet  the  2 nCi  per gram limit on
     average.   Conceivably,  a  portion of  these  non-exempted items  may
     exceed  the  2  nCi  per  gram  limit  given  variations  in  radionuclide
     concentrations  over the  particular  substream; however,  EPA expects
     this  to  occur infrequently.   Therefore,  the  economic impacts will not
     be significantly different  from those presented in  this chapter.
                                   6-26

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analysis,   a   NARM  standard   consisting  of  only  a  2  nCi   per  gram
concentration  limit would  have  an incremental  cost of $540 to $563  million
over current  practice  (depending on  the  base  case assumption)  and would
avoid  from   1.7   to   72.2   health   effects.    In  addition  to   regulating
R-RASOURC  and  R-RAIXRSN,  this  form of a  standard would also  require
the  regulation  of R-GLASDS2  and  R-INSTDF1,  resulting  in an  average
                                                                 *
cost-effectiveness of  $7.8  to $325 million per avoided health effect.

     The  proposed form of the standard,  the 2 nCi per gram concentration
limit and  an explicit  exemption  of some waste streams,  has impacts  that are
drastically different due to the  exclusion of two streams — R-CLASDS2 and
R-INSTDF1.    The  incremental   cost   ranges   from  zero   to  $23   million,
depending on  the base  case,  versus the $540  to $563  million  for the 2
nanocuries limit alone, a  savings  of  about $510 million regardless of which
base case  is assumed.   In the case  in which  R-RASOURC and R-RAIXRSN
are regulated  under current  practice, total health effects  avoided are  zero,
as  opposed to  1.7 for the  2  nCi  per gram  limit  with   no  exemptions, a
reduction  of t.7  avoided  health  effects.   Or,  in  the  base case where all
wastes are currently unregulated, avoided  health effects are  70.5 for  the 2
nCi  per  gram  limit with  waste exemptions  vis-a-vis  72.2 effects  with no
exemptions  —  again,   a   reduction  of  1.7  avoided   health  effects.
Consequently,  regardless  of the  base case assumed for  current  practice,
the marginal cost-effectiveness  ratio in moving  from the 2  nanocurie  specific
activity limit  without  waste exemptions  to  the  specific activity  limit which
includes  exemptions  is  $325  million  per  avoided health effect.   Since the
marginal  cost-effectiveness is a measure of this  incremental cost per  avoided
health  effect associated with  moving  from  one  form of  the limit to another,
this relatively, high cost of $325 million per avoided health effect suggests
*
     Without explicit exemptions,  some substreams  of  R-CLASDS1  would be
     regulated at  the  2  nCi/g  limit, although,  on  average,  R-CLASDS1
     would  meet  this  limit.   Consistent with  other analysis in  the  El A,
     explicit  consideration of  the  impacts  on  waste  substreams was  not
     considered.

                                    6-29

-------
that within a  broad range of reasonable values for an avoided health effect,
including  waste  exemptions would  be an  economically  justified  form of  the
NARM  limit.
                                    6-30

-------
ECONOMIC IMPACTS OF ALTERNATIVE BRC CRITERIA            Chapter 7

INTRODUCTION

     This  chapter  presents  the  results   of   the  economic   analysis  of
alternative criteria  for  the non-regulated  disposal of  lesser  activity  LLW
wastes (i.e..  nonregulated with  respect  to  the radioactive component only).
Unregulated  disposal  of  lesser  activity LLW,   termed  "Below  Regulatory
Concern"  (BRC)  disposal,  is  congruent with  EPA's  BRC  concept.   This
concept attempts  to  define  radiation  exposures  associated with  radioactive
waste disposal  that are so low that regulation of such waste with  respect to
its  radiation  hazard  is not  warranted.  The establishment of  a  BRC  level
allows  lesser activity wastes  to  be disposed of  in  a  less restrictive manner
at  substantial   cost   savings   without   subjecting   the  public  to  any
unreasonable or significant health  risks.

     The analysis relies principally on a  comparison of  the costs,  population
health  effects, and  CPC risks  of regulated and unregulated disposal.    By
determining those wastes for which unregulated  disposal is permitted under
various  standards,   the   costs  and  risks   of  alternative  regulations  are
estimated.   As  discussed  in  Chapter  3,   the  BRC  analysis  focuses  on
commercial  LLW,  since  a  sufficient  characterization of DOE waste  is  not
available.  However, the  economic impacts  of  alternative  BRC  standards,
including a hypothetical BRC component  from DOE  waste, are also calculated
and  shown  later in this  section.   EPA   must  make   several   assumptions
concerning the similarity  of DOE  and  commercial waste  characteristics  in
performing these calculations.  These assumptions  are  detailed  in Appendix
C.
                                    7-1

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     The  BRC  analysis addresses  the primary question of which  wastes  are
cost-effective to dispose  in  regulated  facilities  and  which are suitable  for
disposal without  regard to their potential radiation  hazards.   By  identifying
those wastes that are cost-effective to regulate,  the  results of this  chapter
allow  for  the calculation  of  the  aggregate cost-effectiveness  of  alternative
BRC  levels  and lay  the  groundwork  for  the analysis of alternative  LLW
disposal standards  in  Chapter 8.

Summary of BRC Methodology

     To determine  the cost-effectiveness of  regulating  a  particular  waste,
both regulated and  unregulated costs and population health  effects must  be
estimated   for   comparison.    In   addition,   CPG   risks   associated   with
unregulated  disposal  are  estimated  to  determine what  mix of wastes would
meet the alternative BRC criteria.

     The  estimation  of regulated  and  unregulated  costs is  explained  in
greater detail  in Appendix C.   To  summarize briefly,  the unregulated  unit
costs for  transportation  and disposal of  waste is  estimated  for  the  five
unregulated  disposal  settings — Municipal Dump  (MD),  Suburban  Sanitary
Landfill  (SF),   Urban  Sanitary  Landfill  (UF),  Suburban Sanitary  Landfill
with Incineration (SI), and Urban Sanitary Landfill  with  Incineration  (Ul).
To  allow for a  simple comparison  of unregulated versus regulated disposal,
a weighted  average cost is calculated for these  five disposal  settings.   As
described  in Appendix B,  the  weights were based  on a subjective choice
concerning  what percentage of a given waste  is placed at the five  types of
unregulated  disposal  settings.   The  weighted  average unit  cost  for  each
waste is then  multiplied by the waste volume to determine the total cost of
unregulated  disposal for that particular waste.

     Regulated  unit  costs  are calculated,  assuming  10  CFR  61   disposal
technology,  for  four  separate  components  —  packaging,  processing,
transportation,  and disposal.  Each  cost component has an associated volume
increase factor;  i.e., the  as generated volume of  waste may change due to
                                    7-2

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items  such  as  the  inclusion  of  additional  packaging  materials  or  the
incineration of the waste.  Total unit  costs are calculated  by multiplying the
unit  cost  of  each  component  by  the  volume  increase  factor  and  then
summing  up  costs  over  the  four  components.    Total  costs  then  are
calculated by  multiplying total unit costs by waste volume.

     Given  regulated and  unregulated  costs,  the  BRC  savings  associated
with  the set  of wastes  that   meet  an  alternative  BRC criterion  can  be
calculated  by  the  difference  in these two  costs.   Since BRC  savings are
measured relative to current practice, a net savings  will  result if  a  waste  is
currently  regulated,  because   regulated   disposal  is  more  costly  than
unregulated  disposal.   On  the  other  hand,  if   a   waste  is  currently
unregulated  (such  as the  consumer  wastes),  then  additional costs  (i.e.,
"negative" BRC  savings) will  result if a waste does  not  meet an  alternative
BRC criterion.

     As  with  costs,  the population  health  effects associated with regulated
and  unregulated disposal are compared  in  the BRC analysis.  Unit  health
effects  of unregulated  waste disposal are  calculated by the  PRESTO-BRC
risk model for the five  unregulated  disposal  settings mentioned above.   The
same  methodology  employed in  determining unregulated  costs is  used  to
calculate  a  weighted average  for the  population  health  effects  associated
with unregulated disposal.   Total population  health effects are  calculated by
multiplying  the  weighted average unit health effects by waste volume.

     Unit population health  effects associated with  regulated disposal (using
10  CFR 61  technology) are  calculated  by the  PRESTO-EPA  risk model.
Volumes are multiplied by unit  health effects to estimate total health effects
of  regulated   disposal.    The  additional   health  effects  associated  with
alternative  levels of the BRC  criteria can  be  calculated  by the  difference
between regulated and  unregulated  health  effects.  The cost-effectiveness
of regulation  can also be calculated by dividing  the BRC savings by these
additional health effects.
                                     7-3

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     Finally,  CPC risks are  estimated  for  different mixes  of wastes  for
purposes  of determining what mix  of wastes will  meet a given level  of  the
BRC  criteria.   The  CPC  risks  associated  with  unregulated  disposal  are
estimated  by  the  PATHRAE computer model  for 15 BRC  disposal scenarios.
(See Chapter 3 and Table  3-11 for the specification of these 15 scenarios.)
Appendix   D  discusses  in  further  detail   the  methodology  used  in  the
derivation  of the maximum  CPG  dose for  the  BRC analysis.   Briefly,  the
methodology involves  an iterative process  whereby the maximum CPC dose
over  all  15 disposal  scenarios   is  estimated for  different mixes  of BRC
wastes.  As a result,  the  mix of wastes  that  will meet  a  given  alternative
BRC criterion can be determined.

     The  economic  impacts of alternative  BRC  criteria can  be  evaluated
given  the  above  information  on  disposal  costs,   population health effects,
and  CPC  risks.   In  addition,  the  economic cost of  one  alternative BRC
criterion   relative  to   another   can  be  measured   by  the   marginal
cost-effectiveness between  those  two  alternatives.  Recall that  the  marginal
cost-effectiveness is  defined as  the  value per avoided  health  effect, i.e.,
the   resources   expended   to   avoid   one   additional   health   effect.
Mathematically,  the marginal cost-effectiveness equals:

     (BRC  savings for alternative A  - BRC savings for alternative B)

     (Additional  H.E.  alternative A   - Additional  H.E. alternative B)

                        where H.E.  = Health Effects

Thus,  the   marginal  cost-effectiveness  associated  with moving  from  one
alternative  to another measures the  cost to  society of avoiding  an additional
health effect.
                                    7-4

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Wastes Included  in the BRC Analysis

     As described in  Chapter  3,  14 wastes (those with the least activity) of
the 25 commercial  LLW streams that are currently  disposed of in regulated
facilities  have been  included  in  the  BRC  analysis.   In addition  to  these
principal streams,  the BRC analysis considers two  substreams of commercial
power  reactor wastes  (P-CONDRSN and L-WASTOIL, which are  substreams
of L-IXRESIN  and L-CONCLIQ, respectively).  These substreams have  been
segregated for purposes of analysis  since NRC  identified P-CONDRSN  and
L-WASTOIL  as  likely  BRC  wastes.   Furthermore,  a  review  of   NRC
documents  suggested  that  the  generation  of  these wastes  is  relatively
homogenous  and, thus, generally easy to segregate  [DM81,  DM84, DM86].
Current disposal  practice  for  all  16 of these wastes  conforms to the NRC's
10 CFR 61 requirements.   Except for P-CONDRSN, all are Class A  wastes
according  to  NRC definitions; hence,  10 CFR  61 practice  is  modeled by
shallow land disposal  (SLD) of the waste as generated.   Since L-IXRESIN is
a  Class B waste, current practice  under  10 CFR  61  for  its  substream,
P-CONDRSN,  is  modeled   by  SLD  with  the  waste  in   a  solidified  form.
Finally,  the  BRC  analysis  also   considers  two  currently  unregulated
consumer  wastes containing  AEA nuclides  (C-SMOKDET and C-TIMEPCS)
and   BIOMED  waste,  which   refers  to  the biomedical waste  that   was
                                                   *
deregulated  under  the NRC's Biomedical  Waste  Rule    [NRC81a].   These
three wastes  are included  to  provide a reference point for  comparison  with
the other  currently regulated  wastes and, in the  case of BIOMED waste,  to
evaluate the  impact  of very  low  (or  zero)  BRC  standards  when applied
uniformly  to all materials containing AEA radionuclides.
*
     Two wastes that are currently regulated,  I-LQSCNVL and  I-BIOWAST,
     have similar characteristics  to BIOMED.   However, due  to the  higher
     activity  of these wastes,  I-LQSCNVL  and I-BIOWAST have not been
     deregulated under  NRC's Biomedical Waste Rule.
                                  7-5

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RESULTS OF THE BRC ANALYSIS

Results from the Analysis  of Cost and Population Health Effects

     Table  7-1   presents   the  total  costs  and  population   health  effects
resulting  from  regulated and  unregulated disposal over the  next 20 years
for the 19 wastes  included in  the  analysis.  Since EPA does  not have the
authority  to  unilaterally  deregulate  any  specific  waste  which  also  is
regulated by the NRC and DOE.  the  wastes  considered as  candidates for
BRC  disposal  generally  will  be  referred  to as   BRC   "surrogates"   to
emphasize that  these wastes are  representative of  the wastes that could be
considered  for  unregulated disposal.  Unregulated  disposal  of  all  of the
wastes  in  Table  7-1  is estimated to  result  in  310 health  effects over the
next  10.000  years,  but would  cost only  $14 million  in  1985  present value
terms.  Regulated disposal  of all  19 wastes reduces population health effects
by  a  factor of  22 compared to  the  risk from unregulated disposal; however,
disposal  costs increase  by a factor  of 157.

     Five  wastes  (including   I-COTRASH.  I-BIOWAST,   I-ABSLIQD,   N-
LOTRASH, and  BIOMED) account for  93 percent of the population risk from
unregulated  disposal,  but  only  31  percent  of  the cost.   This  uneven
distribution of  cost and risk implies that  the cost-effectiveness of regulation
will   vary   significantly   across   wastes.    Table   7-2   presents   the
cost-effectiveness ratios  for  each  of the 19 wastes  in  each hydrogeologic
region  and for  the  U.S.  on  average  (the incremental cost and avoided
health effects by waste and region are listed in Appendix F).   In general,
the variation of cost-effectiveness across  wastes is more  significant than the
variation  across  hydrogeologic regions.   The  cost-effectiveness  ratios  for
different  wastes  vary by six orders of magnitude, from  less  than $1 million
per avoided health effect for I-COTRASH  and  I-BIOWAST to more than  $100
billion per avoided health  effect for L-WASTOIL, N-SSTRASH, F-COTRASH,
and F-NCTRASH.  Eight currently regulated wastes have  cost-effectiveness
ratios  exceeding  $1  billion  per  avoided  health   effect  in  all  three
                                    7-6

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                                           Table 7-1
                    COSTS AND POPULATION RISKS OF REGULATED AND UNREGULATED
                                  DISPOSAL OF BRC SURROGATES
Waste

P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
I-ABSLIQD
I-LQSCNVL
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOWASTE
F-PROCESS
U-PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET***
C-TIMEPCS***
BIOMED***

  TOTAL*
       Unregulated Disposal
    Cost            Population Risk
(S Millions)        (Health Effects)
                         Regulated Disposal
                      Cost            Population Risk
                  ($ Millions)       (Health Effects)
     1.7
    0.05
    0.14
     2.2
     1.9
    O.OS
    0.07
    0.10
     2.3
    0.41
    0.66
    0.39
    0.38
    0.14
     1.2
    0.20
    0.61
    0.07
     1.8

      14
 2.6
 0.0
 0.0
 1.6
 230
  11
  14
0.56
 0.0
 0.0
  23
 7.4
 0.0
 0.0
 0.0
 0.0
 1.4
 7.3
  14

 310
   94
   19
   16
  120
  100
  8.7
   18
   25
  130
   22
   36
   21
   21
  7.6
   63
   16
  670
  430
  417

2,200
0.06
 0.0
 0.0
0.01
 8.5
0.43
0.51
0.02
 0.0
 0.0
1.03
0.34
 0.0
 0.0
 0.0
 0.0
0.25
0.02
 2.9

  14
          Unregulated  disposal  represents  a  weighted average  of  five unregulated  disposal
          facility  types.   (See  Chapter 3  for  a discussion  of  these unregulated  disposal.
          facilities.)

          Regulated disposal la SLD As Generated, except for P-CONDRSN which is SLD Solidified.

          These wastes are currently unregulated.

          Figures -do not add up due to rounding.
NOTE:     Costa represent values at a 10 percent real discount rate, expressed in 1985 dollars.
          Health effects  include  fatal cancers and  genetic  effects over 10,000 years  and are
          not discounted.  Coats and health effects are presented for commercial LLW only.

                                                                                 September 1987
                                                7-7

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hydrogeologic regions  (P-CONDRSN,  L-WASTOIL, N-SSTRASH, N-SSWASTE,
F-PROCESS,  U-PROCESS,   F-COTRASH,  and   F-NCTRASH).    Clearly,
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reduction.   Finally, regulated disposal  of BIOMED waste actually  increases
population  risk,  versus  unregulated  disposal  (as  indicated by  a  negative
                                    *
ratio), in two hydrogeologic regions.    The cost-effectiveness  of regulating
consumer waste  is $29  million  or  higher per  avoided health  effect  in  all
three regions.

Results from the Analysis of CPC Risk and Dose

     As  mentioned  in  Chapter  3,  maximum  CPG  risk  is  calculated over  11
exposure  pathways and 15  exposure  scenarios.   (These pathways and
scenarios are  discussed more  fully  in  EPA87.)   Similar  to the  results
presented on cost-effectiveness,   contribution  to maximum  CPC  dose also
varies  by waste  and region, as shown in Table 7-3.  (CPC dose  and CPC
risk  are  related by a constant factor of about 2.8 E-5  per millirem per year
[MEY86a];  hence,  while  the  following discussion is presented in  terms  of
CPG  dose,  it applies equally well to  CPC  risk.   See EPA87 for further
discussions  on  the relationship between  CPC  dose and risk.)    The CPC
doses listed in Table  7-3 are not additive, however,  since the maximum dose
associated with each waste may occur  in different CPG  exposure scenarios.

     In  almost  all cases,  the direct  gamma  exposure  pathway  was  the
dominant pathway  for each waste.  Since gamma exposures do not depend
on region, CPC doses from BRC CPG exposure scenarios exhibit very little
variation  by  hydrogeologic  region.    At  the  high   end,  direct  gamma
exposures to workers during transportation of B-COTRASH  and P-COTRASH
     This counterintuitive  result also  occurs  for some  other  wastes  under a
     couple  of  the  five   unregulated  disposal  options,   although  when
     calculating  the  weighted average,  this result  is masked.    See  the
     discussion  in  the  sensitivity  section of  this chapter  for a  possible
     explanation of this  anomaly.
                                   7-9

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could cause CPC  doses  in  excess of 270 millirem  per  year (cobalt-60  and
cesium-134 contribute the  majority  of  the  dose).   Conversely,  for eight
wastes  (including   L-WASTOIL,  N-SSTRASH,   N-SSWASTE,   I-LQSCNVL,
F-COTRASH,  F-NCTRASH,  C-TIMEPCS, and  C-SMOKDET),   the  highest
contribution to CPG dose in any  region  from  any scenario  is less than 0.1
millirem per year.   While BIOMED waste was  excluded  from the analysis of
CPG scenarios,  the maximum CPC dose  from  this  waste is assumed  to be
                              *
less  than  0.1 millirem per year.

Economic Impacts of Alternative BRC  Criteria

     As described  in  Chapter t,  quantification  of  the  costs  and risks of
alternative  BRC   standards   requires   specific   assumptions  regarding
implementing the standard  (i.e., the analysis  requires a decision  rule which
specifies which  wastes are  regulated and unregulated  in  each  region, at
each level  of the  standard).   Since  the  NRC  will implement EPA's standard
for commercial   LLW,  EPA  must  predict the  method of  implementation for
purposes of estimating economic impacts.

     Other things being equal, it is  generally assumed  that compliance  with
each standard  is  achieved  at  least cost.   For alternative CPC dose  limits,
least-cost  compliance  means that  deregulated  disposal  is  permitted  for  a
waste, provided that the CPC doses  from all BRC scenarios, including all of
     This assumption is consistent with maximum CPC dose contributions of
     I-LQSCNVL  and I-BIOWAST, which are each  less than 0.2 millirem per
     year.  Thus,  the  BIOMED  assumption  holds as  long  as its  average
     specific activity is a factor  of  2  lower.   Note that while the  BIOMED
     rule is stated  in terms of maximum specific activity, the CPC  analysis
     is  framed in terms of average  specific  activity for each  waste.   The
     consequences of using average activity are addressed in the  sensitivity
     analysis.
                                   7-12

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the deregulated wastes,  are  less than  the  standard.  In addition  to  least-
cost compliance,  three other implementation  assumptions  will be  addressed,
as  follows:   (1)  whether population cost-effectiveness as well  as CPC dose
will  be  used  as  an  EXPLICIT   criterion  by  the  NRC   for  permitting
unregulated disposal,  or  whether population cost-effectiveness will be used
only IMPLICITLY, through  EPA's choice of  a BRC standard (i.e.,  assuming
that protecting  the  CPC  at the same time  adequately protects the general
population);  (2)   whether  the  NRC  will consider  deregulation  only  on  a
NATIONAL  basis  (where,   in  effect,  the  worst  hydrogeologic   region
determines whether a waste would qualify for unregulated disposal anywhere
in the entire country regardless of regional hydrogeologic characteristics),
or whether  REGIONAL deregulation will  be allowed, that  is,  a  consideration
of deregulation on a  hydrogeologic  region-by-region basis; and (3) whether
partial waste  streams will  be deregulated (e.g.,  based  on  the  activity of
individual waste  packages  or  on waste  characteristics from  a single  waste
generator).   Current EPA analysis  does not  permit the third question  to be
assessed, although  rough  estimates  of the  potential economic impacts  are
presented in the  sensitivity analysis later in this chapter.

     The   first   two  implementation   issues  result  in   four   different
implementation       assumptions,        labeled       NATIONAL-EXPLICIT,
NATIONAL-IMPLICIT,   REGIONAL-EXPLICIT,   and   REGIONAL-IMPLICIT
implementation.  Tables 7-4, 7-5, 7-6, and 7-7 present the economic impacts
for each of these four assumptions.  Each  table  presents the  BRC savings
(versus   current  practice),   additional  health   effects,   and  marginal
cost-effectiveness of  six  alternative standards,  ranging from  15 millirem per
year down to zero.  The  second column of each table  lists the maximum CPG
dose actually predicted by  EPA's risk assessment models.  The fifth column
lists the  BRC  "surrogates"  which  fail  to meet the standard.   Finally,  for
purposes  of comparison,  the top row in  each  table presents  the costs  and
health effects  for unregulated  disposal  of  all  16  currently  regulated BRC
surrogates.
                                   7-13

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-------
Table 7-7 (Continued)
VALUATION OF ALTERNATIVE BRC CRITERIA FOR COMMERCIAL
ASSUMING EXPLICIT IMPLEMENTATION ON A REGIONAL BASIS
lues for 20 years of disposal discounted at a 10 percent real rate expressed In 1985
elude fatal cancers and genetic effects over 10,000 years, and are not discounted. NARM
ded.
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     The  marginal  cost-effectiveness  ratio,  reported  in the  last  column,
compares  any two  adjacent  standards; very  low ratios  imply  that  a lower
(more  stringent) standard would  be  preferred,  based  on  population  risk
reduction  alone.  Assuming   that  EPA  limits the  BRC  criteria to  a  level
below  15  millirem  per  year  (a  criterion  which  rejects  P-COTRASH  and
                                   *
B-COTRASH),  the economic  choice  of a  standard depends on  the value
placed on avoided health effects and the  assumed NRC implementation.  For
example,  under National-Implicit  (Table 7-4), at a  value  of $5  million  per
avoided health effect, a BRC criterion of  0.1  millirem per year  is preferred.
However,  this same  value is  consistent with a standard anywhere  between 1
and  15 millirem  per  year  under  National-Explicit  implementation  since no
additional wastes are regulated under this implementation  scenario  until a
0.1 millirem alternative is considered (Table 7-5).   The  economic  impacts of
Regional-Implicit   (Table  7-6)  and   National-Implicit   implementation  are
identical.     The   economic   impacts   associated   with    Regional-   and
National-Explicit implementation are also very  similar.

     EPA  believes  that  the two  most likely  implementation  assumptions on
the  NRC's  part are  the National-Explicit and  the National-Implicit cases
(impacts are shown  in Tables  7-4  and 7-5) based  on  past  experience  with
NRC.   Significantly,  these two implementation assumptions  cover  the range
of economic  impacts.   Under  these  assumptions,   the  proposed  4   millirem
standard  is projected to  save between  $310 and  $400 million versus  current
practice (for commercial waste only) and  to cause from 0.55  to 53 additional
health effects over  10,000 years.   The  economic  impacts,  with DOE waste
included,  will be discussed subsequently.
     Of  course,  a  variety  of  other  important  policy concerns  are  also
     considered by  EPA.
                                   7-20

-------
     Tables  7-8  and  7-9  illustrate  the limiting  wastes,   CPC  scenarios,
exposure  pathways, and radionuclides at each level of the BRC standard for
the National-Implicit and National-Explicit implementations, respectively.  As
shown,  direct  gamma  exposure from  cobalt-60,  cesium-13U,  and  cesium-137
is the primary determinant of economic  impact  for  standards between 1 and
15 millirem per year.

BRC  Impacts, Including  DOE  Waste

     Due  to  the   lack  of data  sufficient  to  characterize  the  form  and
radionuclide content of DOE waste,  the  costs  and risks for  disposal of this
waste  could  not  be  evaluated.    However,  since EPA expects its   BRC
standard to apply  to DOE  waste under the AEA,  EPA has assumed that  DOE
costs  and risks are equal to commercial waste costs  and risks on a volume
for volume  basis,  except  that regulated  disposal costs for  DOE waste  are
adjusted downward to reflect a lower average transportation distance (since
DOE  disposal  facilities  are typically near the  point of generation).   EPA's
assumptions are explained  in  more  detail in Appendix C.   To analyze  the
impacts of multiple  standards  under multiple implementation assumptions  on a
consistent  basis,  EPA's  assumption  is  equivalent  to  assuming  that   each
commercial waste stream has  a "DOE  analog"  in  each  hydrogeologic  region,
the volume  of which depends on  the  aggregate commercial and DOE volume
in that  region.

     Using EPA's assumptions, the aggregate economic impacts of  alternative
standards were calculated,  including  both commercial and DOE waste.   The
results  of these calculations are shown in Tables 7-10,  7-11, 7-12, and  7-13
for each of  the four implementation  assumptions discussed above (each  table
assumes that  NRC  and  DOE  implementation will  be identical).  Because  of
the reduced transportation  costs for unregulated  disposal  of DOE waste,
marginal cost-effectiveness ratios are reduced  slightly, as  compared to  the
impacts tables with commercial waste alone.  Under the National-Explicit and
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-------
National-Implicit  implementation  assumptions (the  implementation cases  EPA
deems most  likely),  the  proposed U millirem standard will result  in a savings
of  between  $490 and  $620  million  and  will  cause  between  1.1  and 96
additional health  effects over the next  10,000  years.   These results  assume
that a  total of  759,000 cubic  meters  of  commercial  LLW (including  nine
wastes)  and about 535,000  cubic meters of DOE LLW will be disposed of in
unregulated facilities over the next 20 years.
SENSITIVITY ANALYSIS

     The  purpose of a sensitivity  analysis is to test the relative importance
of key  assumptions or parameters.   If  results  change significantly with a
change   in   the   assumption   or  parameter  being  considered,  then   the
importance of this variable should  be emphasized.  This section  analyzes  the
sensitivity of the results  to  changes  in  several key  assumptions that were
made  when calculating  the  economic  impacts  associated with alternative BRC
standards.   The key assumptions  or  parameters that  will  be tested  include:
1) the  possibility  of segregating  wastes  into  substreams  for  purposes  of
unregulated  disposal, 2)  the  weightings which  determine what proportion of
BRC waste is disposed of in  the five unregulated facilities, and 3)  the CPC
scenario definitions,  specifically, analyzing the volume of waste assumed  for
each CPC scenario.

Substream Segregation

     With the exception of the two LLW  power  reactor substreams,  the BRC
analysis  does  not  account   for   the  possibility  that  wastes  could   be
segregated by activity, thereby allowing  a  low activity substream to meet
the  proposed  4  millirem  BRC  standard.    The  significance  of  waste
segregation  is   that  current  estimates   of  the  BRC  savings  would   be
                                   7-32

-------
understated,  as  would  the  additional  health  effects  associated  with  the
unregulated disposal of substreams.

     The  following  substream  sensitivity analysis will  use P-COTRASH  and
B-COTRASH as an  example since at  least one  independent study  [AIF85]
has  estimated  the  proportion  of these  wastes that,  if segregated,  would
meet a  1  millirem BRC alternative  criteria.   When  interpreting the  results
from this sensitivity analysis,  two caveats should  be  mentioned.   First,  if
segregation  is  practiced, the CPC doses  calculated  in  the  LLW analysis  will
be understated,  since an  average regulated disposal  facility will be  smaller
                                                         *
and  will  contain waste with  a  higher  specific  activity.    Second,  waste
segregation  presumably  is not costless.   Therefore,  the  increase  in  BRC
savings  would be  offset  somewhat  by  the  cost increase  associated  with
segregating  waste into substreams.   Segregation costs are not included  in
the analysis below, however.

     A  study  prepared  for the  Atomic  Industrial  Forum [AIF85]  suggests
that  90  percent of the volume for B-COTRASH and 65 percent of the  volume
for P-COTRASH would  be able  to meet a 1  millirem  per year BRC standard.
If these  percentages  of B-  and P-COTRASH  volumes  can be  segregated
costlessly, deregulation  of the substreams  would increase BRC savings  by
                                                           **
$164 million, but  three additional  health effects would result.

     In  the   AIF   study,  the  estimated  volumes  of  P-COTRASH   and
B-COTRASH would  meet a 1 millirem  alternative standard,  based  on some
very specific assumptions.  These volumes  available for BRC disposal  are
     Sensitivity results  shown in the LLW analysis  (Chapter 8)  support the
     notion  that  CPC  dose is related to  specific  activity (curies  per cubic
     meter)  and disposal facility size.
**
     The  estimate overstates  additional  health  effects, since it  is based  on
     average waste  activity  before  segregation.   Since  the  specific  activity
     of the  deregulated substream will  be  lower on  average,  additional
     health  effects would likely be less  than  three.
                                   7-33

-------
based on  limiting  activities  associated with disposing 435 cubic meters per
year of B-COTRASH and  136  cubic meters per  year  of P-COTRASH at a
sanitary  landfill located  in  the southeast (i.e.,  humid  permeable  region).
These assumptions  are equal to a  total  disposal volume  of 8,700 and  2,720
cubic meters over  20  years,  respectively, compared to 32,413 and  12,500
cubic  meters  as   assumed  by  EPA  (BRC  CPC  Scenarios  2  and 1).
Therefore,  the percentages  estimated,  by  the  AIF  study  may   not  be
consistent with the  results  of  the  BRC  analysis.   An  approximation,  based
on assumptions consistent with  the BRC analysis, can  be made to determine
the percentage of  B-COTRASH  and  P-COTRASH volume that would meet a 1
millirem  alternative  standard.   The  methodology  used  in  estimating  these
percentages  involves  scaling  down  the  average  specific activity  of the
individual waste by the ratio of the 1 millirem standard to the  maximum CPC
doses  calculated  in  the  BRC  analysis.   This   calculation  provides the
maximum waste  specific  activity  that will meet  the 1   millirem  alternative.
The  percentage volume of a waste that meets a 1  millirem alternative then
can  be  determined,  using  the distribution of  specific activity by  waste
volume.

     The  volume*  distribution  of  specific  activity for  B-COTRASH  and
P-COTRASH  is  reproduced  from DM86  in Table  7-14.   The  maximum  CPC
doses from the BRC analysis for B-COTRASH  and P-COTRASH are 500 and
21.5 millirem, respectively.   Using the above methodology,  these CPC  doses
translate into a maximum specific activity to meet a 1  millirem  standard  of
3.94E-5 Ci/m3  for B-COTRASH  and  2.56E-3  Ci/m3 for P-COTRASH.  As
seen  in  Table  7-14,  70 percent  or  less  of  B-COTRASH  volume  and  26
percent or  less  of P-COTRASH  volume  will  meet  a  1  millirem standard.
Therefore, the maximum  BRC'savings would increase by $105 million  (versus
$165 million using  AIF85 assumptions), with 70 percent of  B-COTRASH and
26 percent of P-COTRASH deregulated.   About two additional  health effects
would result, however.   At EPA's proposed "4  millirem criteria,  49  percent
                                   7-34

-------
                                          Table 7-14

                          DISTRIBUTION OF GROSS CONCENTRATION IN LWR
                                COMPACIABLE TRASH WASTE STREAMS
Concentration
Range (Ci/m )
P-COTRASH:
0 - 9.16E-3
9.61E-3 - 1.93E-2
1.93E-2 - 7.70E-2
7.70E-2 - 1.93E-1
over 1.93E-1

B-COTRASH:
0 - 6.83E-3
6.83E-3 - 1.37E-2
1.37E-2 - 5.45E-2
5.45E-2 - 1.37E-1
over 1.37E-1

Volume
Percent
26
23
35
12
i*
Weighted average:
70
13
11

-------
or less  of  P-COTRASH would  meet the standard and,  as  with  the 1  millirem
alternative, 70  percent or  less of  B-COTRASH  would meet  4 millirem  per
year.  Total BRC savings would increase  by a maximum of $126 million with
2.3 additional health effects resulting.

Unregulated Disposal Option Weightings

     The  unregulated  disposal  option  weightings  are used  to  reflect  the
proportion   of  waste  volume  that  is   disposed  at  each  of  the   five
representative   unregulated   disposal  facilities.    (Recall  that  the   five
unregulated disposal methods  include a municipal dump,  suburban sanitary
landfill  with and  without  incineration, and  an urban  sanitary landfill with
and  without incineration.)   If unregulated  disposal  is  permitted for  any
given  waste,  all  five  unregulated  disposal methods might   be used   by
different generators.   Since the population and  CPC risk  analyses will have
different estimates  for the  five alternative  unregulated  disposal  practices,
weighting unregulated  facilities  is necessary  so  total cost  and  total risk  can
be calculated  for unregulated  disposal.   BRC  scenario weightings are  less
important in estimating disposal costs, however.   Our current  database on
unregulated disposal costs  suggests that  unit costs  depend more  on  location
in the  country than on  whether  the disposal  site  is located  in an  urban,
                         *
suburban,  or rural area.     In neither case is the  variation  in unregulated
disposal  cost  significant,  relative  to  the  much  higher   cost  of regulated
disposal  practices.   Therefore, unit  costs  are  assumed  not to vary  by
proximity to metropolitan areas.   If the waste is incinerated,  however,  unit
costs vary  slightly — by  about  $1.50 per  cubic meter,  according  to  the
NSWMA86  survey.    Since   two  of   the   BRC   disposal  options   involve
incineration,  the  scenario  weightings are   relevant  (albeit  to  an   almost
insignificant degree) in calculating unregulated costs.
*
     Unregulated  disposal  costs  are  based on  a survey  of  tipping  fees for
     landfills,  transfer stations,  and  resource recovery  plants,  conducted
     by  the National Solid Wastes Management Association [NSWMA86] in the
     fall of 1985.   (See Appendix C for more details.)
                                    7-36

-------
     The  weights were chosen on a  subjective basis, based  on our general
knowledge of the location  of  LLW generators and  the types of facilities they
are likely to use.  Since cost estimates will not vary significantly across the
unregulated  disposal  options,  emphasis is placed  on the  variation in risk
estimates.   If risk estimates  vary significantly by  the type of  BRC disposal
option,  the  need  for refining these  subjective  weightings  is  of greater
importance.

     Determining  the sensitivity  of the  BRC  results  to changes  in  the
scenario  weightings  involved  a methodology  which considered  each  BRC
disposal  scenario separately.   That  is, cost-effectiveness  of the  18 wastes
included  in the  BRC analysis  was calculated  for each of  the  five  disposal
scenarios.   (BIOMED  waste  is  not   included,   since  a   different  facility
type is  used  to  model  unregulated disposal of this waste,  i.e., incineration
at a large  university or  medical  facility.)  Therefore,  the  methodology  is
equivalent to an extreme weighting  scenario that assumes  a  100 percent
weight  for the disposal option considered and zero  percent  weight for the
four other options.  An  upper and  lower bound,  therefore, can  be placed
on the results by using this  methodology.

     The  sensitivity  analysis  suggests  that,  while the  incremental  costs
associated with   regulation do  not  vary  much across the  five  unregulated
disposal  practices,  the avoided  health effects do vary  significantly.   For
each hydrogeologic  region and  each  unregulated  disposal option.  Appendix
B  reports the results from  the sensitivity runs;   incremental  costs, avoided
health effects, and cost-effectiveness ratios are  presented for the 18 wastes
considered in the  BRC analysis and for the  six NARM  wastes analyzed  in
Chapter 6.   In  addition,  the  weighted average of these five  options  is
presented as a reference in Appendix B.

     The  discussion  below will  focus  on comparing  the aggregate  results for
the  total  U.S.   However,  one counterintuitive  result  is  apparent  in  the
regional  tables presented  in  Appendix  B.  That  is,  for some wastes, three
                                    7-37

-------
of the  unregulated disposal options actually  result  in  lower health effects
than  the  regulated  alternative.   These  three  options are:   unregulated
municipal  dump   and  unregulated  suburban  sanitary   landfills  with  and
without  incineration.   This counterintuitive  result  generally  occurs in  the
arid   permeable  region,  although,  for  one  option —  suburban  sanitary
landfill  with incineration — the  humid  impermeable region also has  greater
health effects associated  with  regulation.

     EPA  believes  two   modelling   assumptions  may   account   for   this
counterintuitive  result.  First, in estimating  health effects  associated  with
incineration of unregulated  waste, a volatilization  factor is  assumed  whereby
90 percent  of H-3 .nuclides  and 75 percent of C-14  nuclides  are  lost up the
smoke  stack  at   the  incineration  facility.    Since  current  practice  for
regulated disposal does  not involve  incineration, the inventory  of  nuclides
in the   regulated  disposal  scenario  is  significantly greater  than  in  the
unregulated  disposal   scenario,  resulting  in  a  greater  number of  health
effects  for regulated disposal.

     A  second modelling  assumption  that  may  explain  the  counterintuitive
results  found in  the arid permeable region, even  in  the without  incineration
case, involves the differences  assumed  for  the surface area  for  regulated
and  unregulated  disposal sites.   The surface area  for  unregulated  disposal
is smaller  than   for  regulated disposal since  it  is assumed that,  at an
unregulated  site,  the  waste  is stacked in deeper  columns  to  reduce  land
requirements.  Given  the  smaller surface  area,  less leaching  occurs  at an
unregulated  site  during  rainfall.   In  the   humid  hydrogeologic  regions,
enough rainfall occurs over 10,000 years to wash out all the mobile nuclides
(such as C-11) from both  regulated and unregulated sites.  Therefore, the
slower  leaching  rate  at  an  unregulated site does  not become  a  factor in
the  risk model.   However,  in  the arid  permeable region,  EPA hypothesizes
that  the lower  amount  of rainfall  results in a  smaller  proportion of the
mobile  nuclides  being  washed out  from the  unregulated  site.  Therefore,
health  effects,   which  are  directly  correlated  with  nuclide  inventories
released  into  the  environment,  may  actually  be  lower  with  unregulated
                                    7-38

-------
disposal  vis-a-vis  regulated disposal.   Further documentation  of  the risk
modelling assumptions is  presented in  EPA87.

     These  counterintuitive  results notwithstanding,  the incremental costs
associated  with  the five  BRC disposal options are very similar, varying  by
less  than  $2 million  in  aggregate over the total  U.S.  for the 18  wastes
included in  BRC analysis.   The total U.S. avoided  health  effects  of these
18 wastes,  on  the other  hand,  range  from  48 effects  for disposal  at  an
unregulated  suburban  sanitary  landfill with incineration  (SI)  to  776  effects
for an  urban sanitary  landfill  without  incineration  (UF).  As a result of
this    wide   variation    in   avoided    health   effects,    the  aggregate
cost-effectiveness  ratios  also  vary  significantly,  ranging  from about  $2
                                                            *
million per avoided health effect for UF  to  $39 million for SI.

     To  determine  if  the relative weights  assigned  to  the five unregulated
disposal  scenarios  could  have  a significant effect  on  the economic  impacts
associated  with  the proposed *»  millirem BRC criteria,  attention should  be
focused  on  the  five  wastes  that are assumed  to  be cost-effective  to
regulate.  Although  aggregate  cost-effectiveness  ratios  for  all 18  wastes
vary significantly,  the range in the cost-effectiveness ratios associated with
the five  wastes  assumed  to be  cost-effective is  relatively small.  These five
wastes  include:   I-COTRASH,   I-BIOWAST,  I-ABSLIQD,  N-LOTRASH, and
N-LOWASTE.  In Table 7-2, these five  wastes are ranked by their  relative
cost-effectiveness.   N-LOWASTE, with  the highest cost-effectiveness  ratio
of the five wastes, therefore, can be  considered the  limiting waste,  that  is,
the last  waste  worth  regulating.   Using the  weighted average of  the five
BRC disposal options,  the cost-effectiveness of  regulating N-LOWASTE is $3
million  per  avoided   health  effect.   By  comparison,   under  the   extreme
weighting of 100 percent  SI, the  maximum  cost-effectiveness associated with
regulating  N-LOWASTE is $12 million per avoided health .effect.   Therefore,
under  less extreme weighting scenarios, the set of wastes considered to  be
cost-effective to regulate  is not likely  to change.  For  illustration purposes.
     See Appendix B, especially Tables  B-13 and B-17.
                                    7-39

-------
however,  if  a  $5  million value per  avoided  health  effect is assumed,  then
four of the  five  wastes would  no  longer  be  considered  cost-effective  to
regulate  (i.e.,  all but  I-COTRASH),  assuming  SI  is  the  only  unregulated
disposal option considered.   (See Table B-13 in Appendix B.)  BRC savings
would  increase by $83  million,  but about 11 additional  health effects  would
occur  under  National-Explicit  implementation  at the  4  millirem  proposed
standard.

     At the  proposed  4 millirem  BRC  standard,  inspection of Table  7-2
shows  that  the  next   most  cost-effective  waste  to   regulate  (excluding
BIOMED as mentioned above and P-COTRASH since its  CPC  dose  is too high
to meet 4  millirem) is I-LQSGNVL.   This waste is considered  to be a limiting
waste,  since I-LQSCNVL is  next in line  for regulation but  was  determined
not  to   be  cost-effective   under   the   National-Explicit   implementation
assumption.  Using  weighted averages,  the cost-effectiveness of regulating
I-LQSCNVL is  $45  million  per avoided  health  effect.    Under the  extreme
weighting  of 100 percent UF,  however,  the cost-effectiveness of regulating
I-LQSCNVL is as  low as $17 million per avoided health  effect.

     The  next  most cost-effective waste  to regulate is C-TIMEPCS,  with a
cost-effectiveness  ratio  of  $23 million  for UF disposal.   Cost-effectiveness
ratios  are  extremely large  for  other wastes;  C-SMOKDET  is  the next most
cost-effective waste  to  regulate,  with  a $375  million  ratio, assuming  UF
disposal.   Therefore, if the extreme weighting  scenario of 100 percent UF is
assumed  and the  value  placed on an  avoided  health effect  is greater than
$23 million, I-LQSCNVL and C-TIMEPCS  would be considered cost-effective
to regulate.   Under  National-Explicit implementation, BRC savings  at the 4
millirem standard  would  decrease by $456 million  since the regulated disposal
of C-TIMEPCS  is  very  expensive due  to  collection costs.  This  would avoid
20 health  effects,  however.  If only I-LQSCNVL is considered cost-effective
to regulate,  then  BRC  savings  would  be reduced by $25 million and  health
effects would be reduced by less than two.
                                   7-40

-------
     In summary, the results of the  sensitivity analysis suggest that, while
the incremental costs associated with  regulation  do  not vary  much  across
the five unregulated disposal practices,  the  avoided  health  effects do vary
significantly.   Consequently, cost-effectiveness ratios  can  vary significantly
as well.  However,  the  economic impacts at  the  proposed  4 millirem  BRC
standard  will  not  change   under  National-Explicit  implementation   if  the
valuation  per  avoided health effect exceeds  $12  million but is less than  $17
million, assuming  an extreme weighting scheme of either 100 percent  SI  or
100  percent   UF,  the  two  limiting  disposal  options.   For  illustration
purposes,  however,  a  $3 million to $5 million valuation per  avoided  health
effect  would increase BRC savings  by $83 million  and  result in  11  additional
health  effects, assuming  SI  is the only unregulated option considered.  If a
valuation  of $23 million to $374 million is  used, BRC savings  would decrease
by $456 million.with 20  less health effects  occurring, assuming  UF  is  the
only  unregulated disposal option considered.

CPC  Scenario  Definition

     The  following   sensitivity  analysis  evaluates the importance  of  the
volume assumptions  which  were  made  in  defining  the  18 CPG  disposal
scenarios  described  in  Chapter  3.   These   BRC  disposal  scenarios were
constructed to estimate the maximum CPC dose from unregulated disposal by
estimating  the  maximum  LLW  volume  likely  to  be  disposed  in  a  single
unregulated disposal facility.  Clearly,  disposal volumes would vary and  the
actual  "worst   case"  disposal  facility could  have either more or  less LLW.
Therefore, the analysis below evaluates the change in  the  economic  impacts
at the proposed  4 millirem  standard resulting from increasing or decreasing
the assumed waste volume by a  factor or  two.

     Again,   under   the    National-Implicit   implementation  assumption,
N-LOWASTE and I-ABSLIQD, among others,  would  meet the 4 millirem  BRC
standard.   If  waste volumes are increased  by  a factor of  two,  however,
                                    7-41

-------
N-LOWASTE will  no longer meet  the  standard,  although 1-ABSLIQD  would
continue to meet  a 4  millirem per  year limit.    Net  BRC  savings  at  the
proposed 4 millirem standard  would fall  by $35 million, but about 22  health
effects would be avoided.

     Under the  National-Explicit implementation  assumption,  N-LOWASTE is
considered  cost-effective  to  regulate.   Consequently,  at  the  4  millirem
standard, BRC  savings  would not  be affected  by doubling waste  volumes
since population risk  cost-effectiveness,  rather  than  CPC dose,  is  the
controlling   factor.   For   the  same   reason,  decreasing  waste   volume
assumptions by a  factor  of  two would  not affect   the  economic  impacts
associated   with   the    4   millirem    standard   under   National-Explicit
implementation.

     Decreasing CPG  scenario volumes by a  factor of  two will not affect the
economic impacts  at  the  4  millirem  standard  under the  National-Implicit
implementation  assumption,  either.   Under  National-Implicit  implementation,
I-COTRASH,  with  a  maximum CPC dose of  12  millirem  per year,  will  not
meet  the  proposed  standard.   With  a  CPC  dose  of  this   magnitude,
decreasing  volumes by  a  factor  of two  will  not  be  sufficient  to allow
I-COTRASH to meet the 4  millirem  standard.   Larger reductions in  volume
assumptions may be  sufficient,  however.   If  I-COTRASH  could meet  a  4
millirem  standard,  BRC  savings  would  increase  by  $98  million,  but  218
additional health effects would  occur.   High  volume decreases would  be
necessary for P- and B-COTRASH to meet the 4 millirem  standard,  given
that unregulated disposal would result in CPC doses for  these two wastes of
270 and 500 millirem per year, respectively (due to transportation).
SUMMARY OF ECONOMIC IMPACTS FOR BRC STANDARDS

     Table  7-15  presents  the   combined  aggregate  economic  impacts,
including  commercial  and  DOE LLW,  under  the proposed  BRC standards.
                                   7-42

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Under  National-Explicit   and   National-Implicit  implementation,  total  net
savings  (versus  current practice)  will range from  $490  to  $620  million,
including  commercial  and DOE LLW.  From one  to 96 additional health effects
might be  expected.   The  other  implementation  scenarios  have been  included
for comparison.   The BRC  savings of  $620 million  and  the  96 additional
health  effects  for   Regional-Implicit implementation  are  identical  to  the
economic  impacts  associated  with  National-Implicit  implementation.   The
impacts for Regional-Explicit implementation  fall within the  overall range  of
possible impacts  with BRC savings of $530  million  and 3.6  additional health
effects  occurring.
                                    7-44

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RESULTS OF LOW-LEVEL WASTE STANDARDS  ANALYSIS          Chapter  8

INTRODUCTION

     Presented in this  chapter are the results of the analysis  of alternative
standards  for  LLW  disposal.   As  with the  analysis  of  alternative  BRC
standards,  the  methodology  used  to  evaluate  alternative  LLW  standards
relies  on a  quantification   of  costs,  population health  effects,  and  CPC
risks.   As  explained in Chapter  3, costs  are  expressed in present  value
1985 dollars, discounted at a 10 percent real  rate over  the  20-year  assumed
disposal  period;  population  health effects are  expressed  as  the cumulative,
undiscounted statistical  total  of fatal cancers and genetic  effects over  10,000
years  resulting  from the  20-year volume  of LLW.  Unlike  the  CPC  risk
analysis  for  the  BRC  standard,  the  contributions  of individual   waste
streams to the CPC  risk from  LLW  disposal depend on the volume  and mix
of other  low-level wastes present  at the site.   Hence, a  precise analysis of
the economically  "optimal" disposal practice  that would meet each alternative
level of the standard was not possible; rather, the  analysis concentrated on
the determination of  aggregate differences  among disposal options,  focusing
on  those options  most  likely to be  used.   Although the "optimal"  disposal
practice  is  not known   with  certainty due  to  limitations  on the number of
combinations  that could  be  considered,  the   costs  and  health  effects
associated  with  the approximations  presented  in  this  analysis  are not
believed  to differ significantly from those of the least-cost optimum.

BRC Wastes Excluded

     As  mentioned in Chapter  7,  the  analysis of regulated disposal of LLW
excludes wastes  that,   on  average, are expected  to  meet EPA's  proposed
                                    8-1

-------
4  millirem   BRC   standard   under   the   National-Explicit  implementation
           *
assumption.     Nine currently  regulated  wastes  are  excluded  from  the
analyses,  including four  fuel  cycle  wastes  (F-COTRASH,  F-NCTRASH,
F-PROCESS,  and  U-PROCESS),  two source  and special  nuclear material
wastes   (N-SSTRASH.   N-SSWASTE).   two  commercial   power   reactor
substreams   (P-CONDRSN,   L-WASTOIL),  and  an   institutional  waste
(I-LQSCNVL).   In  addition,  BIOMED waste, the two consumer wastes,  and
four of the  six discrete  NARM wastes considered in Chapter  6 are expected
to remain unregulated  and are not included here.  Since two of the NARM
wastes,  R-RASOURC  and  R-RAIXRSN,  will  be  regulated  using  TSCA
authority  and co-disposed  with LLW, these wastes are included  in  the  LLW
analysis  of  alternative  standards.    The analysis  in  this  chapter assumes
NARM  will be  regulated,  as  would  an AEA  LLW  under  the  proposed  25
millirem standard {i.e.,  solidified and  disposed  of  in  ISO  trenches,  as  for
Class C waste).

Calculation of DOE  Impacts

     The  base case analysis excludes LLW  generated at DOE facilities, since
the limited availability  of data does  not allow  for the  separate evaluation  of
health  risks and costs  associated  with the  disposal of DOE waste.  However,
EPA  expects  that  the  LLW standard  will  apply  to  DOE   waste.   To
approximate  the  potential  economic  impact  of the  LLW standard  on  DOE
waste,  EPA  has assumed that  DOE waste  is  analogous  in character  to
commercial LLW.   Using EPA's assumption,  the  combined  economic  impacts
associated with alternative standards are calculated  for commercial and  DOE
waste.  In this  calculation, treatment of DOE  waste under current practice
is assumed  to  be  consistent  with shallow  land disposal, with waste  in  the
"as generated" waste form.  A more  detailed description  of the DOE impacts
     The  National-Explicit implementation assumption is environmentally  the
     most  conservative  case  since   the   smallest  volume  of  waste  is
     unregulated at 4 millirem and,  in  addition,  results in the least amount
     of BRC  savings.
                                   8-2

-------
calculation   is  presented  in  Appendix   G,   with   the   basis  for  EPA's
assumptions.

Definition of 10 CFR 61  Disposal

     Since  a determination of the  degree to which EPA's proposed standard
and  the  NRC's existing  performance standards are  congruent is a primary
objective of this analysis,  it is important to characterize  the  set of disposal
option/waste stream combinations  that  closely  matches the NRC's 10 CFR 61
standard.   To the extent that  EPA's  proposed  standard is  not congruent
with  10  CFR  61, the  differential  impact  of  such  a   standard on  the
commercial  sector could  be significant,  as  is evident  in the economic impacts
tables  presented  later   in  this chapter.   The  economic impact  of  EPA's
proposed standard on DOE waste  disposal will -also  be calculated  based on
EPA assumptions discussed in Appendix C.

     Based  on the discussion in Chapter  5, three of EPA's 25 LLW,  as  well
as two of the  NARM wastes,  were  treated as Class C waste under the  NRC's
classification system,  as  assumed in  EPA87. Under 10 CFR 61, these wastes
would thus  require solidification and disposal  using  the   "improved"  shallow
land disposal  method.   The Class  C  wastes  —  N-ISOPROD, L-DECONRS,
N-SOURCES,  R-RASOURC,  R-RAIXRSN -- account  for  0.9 percent of the
total  volume  for  commercial  LLW  and  NARM  (excluding  DOE  waste  and
wastes expected  to meet  the  proposed  4 millirem  BRC  standard).   Four
wastes  were  deemed  by  EPA87   to  be  Class   B   waste —   L-IXRESIN,
L-FSLUDGE,  N-TRITIUM. and  N-TARGETS.   Under 10  CFR  61,  these
wastes would  be  solidified and disposed  of using the shallow land disposal
method.   Class  B waste  accounts for  10.8  percent of  total  volume of
commercial  LLW and NARM.  The  remaining 11 LLW wastes were treated as
                                   8-3

-------
Class A waste, accounting for 88 percent of the volume.  Under 10 CFR  61,
Class A waste  can be disposed of in the as generated  waste  form  using  the
shallow  land disposal  method.   Figure 8-1  illustrates  the  distribution  of
waste volume by hydrogeologic region and  NRC  classification.  The allocation
of States to Compacts and Compacts  to  hydrogeologic  regions  is discussed in
Appendix  A.   The allocation  of  States  to Compacts is necessary since  waste
volumes  are   projected  on  a  State-by-State  basis.    The  allocation   of
Compacts  to hydrogeologic regions is significant since the analyses assume
the  same   hydrogeologic  characteristics   are   present  across  an  entire
Compact.   As a result  of these allocations,  the volume of waste generated in
a  given  hydrogeologic  region  can   be estimated.   Since the  risk  model
estimates  unit  health  effects by  hydrogeologic region for each waste, total
health  effects can be calculated  by multiplying  these  regional  waste  volumes
by regional unit  health effects.

Disposal Practices Evaluated

     As discussed in Chapter 3,  nine regulated disposal practices have been
considered  for  the  LLW  analysis  —  regulated  sanitary  landfill  (SLF),
shallow   land  disposal   (SLD),   improved  shallow  land  disposal  (ISO),
intermediate depth disposal (IDD), earth mounded concrete bunker  (EMCB),
concrete  canisters   (CC),  deep  geologic  disposal  (DCD),   hydrofracture
(HF), and deep  well injection (DWI).   The last two options can be  used  for
slurried  or  liquid wastes  only.   In addition,  four  disposal  "suboptions"
relating to  the waste form are considered  —  packaged  as  generated (AC);
solidified  (S);  incinerated,   then  solidified  (I/S);  and  packaged in a high
integrity container (HIC).   The  analysis assumes that  a given disposal  site
may  represent- a  combination  of  the  above options and suboptions for each
of the three NRC waste classes.  In  theory,  108 combinations of  disposal
options  are possible  (9  options  x  4  suboptions   x  3  waste  classes).
However,  only one "option"  is  technically  practical  for HF  and  DWI,  and
only one option has been engineered  to a degree sufficient  for cost and risk
analyses  for   CC  and  EMCB.   These limitations still  leave 64  potential
disposal   practices.    Obviously,   an   analysis   that  considers  all   64
                                    8-4

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possibilities would  be  time-consuming and expensive.   Moreover,  a good
understanding  of  the effect  that  disposal option and  waste form  have on
costs  and health effects can be achieved by analyzing a much smaller set of
disposal   options.     Table   8-1   summarizes  the   17   disposal  practices,
representing a reasonable range of disposal  possibilities,  that  are  analyzed
in  this chapter.

Organization

     This chapter  is divided  into three  parts.   In the  first  section,  the
regulated disposal  costs,  population  health  effects,  and  CPC risks  are
summarized,  excluding   the  nine  LLW  wastes expected  to  meet  the  BRC
standard  (including  the  two  LLW  power reactor  substreams)  and  DOE
wastes.  The second  section then presents the evaluation of alternative LLW
standards, as defined in Chapter U.  In addition to estimating  the  economic
impacts of alternative standards associated with the disposal of commercial
LLW and NARM, an approximation of the aggregate  impacts when DOE waste
is  included  in the analysis also is  presented in this  section.  The third
section  discusses the sensitivity of the results  with respect to assumptions
regarding  NRC  implementation,  the  exclusion of NARM,  discounted health
effects,  and the distribution  of waste volumes  across  Compacts.   Finally,
changes  in  the  assumptions used  in estimating  CPC, such  as  disposal  site
size,  waste  mix,  the  inclusion  of  BRC  wastes,  and  the  exclusion  of
greater-than-Class  C wastes, also are evaluated.
RESULTS FROM THE ANALYSIS  OF REGULATED  DISPOSAL
COSTS  AND  HEALTH EFFECTS FOR  COMMERCIAL LLW AND NARM

     As  mentioned  above,  analyzing  the  impact of alternative LLW standards
necessitates  removing  BRC  waste since  this volume  of waste  will not  be
co-disposed  with  other LLW.   Hence,  the  waste  remaining  for regulated
disposal is then both reduced in volume  and increased  in  average activity.
The remaining 18  commercial  LLW wastes considered  in the analysis  below
                                    8-6

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                                           Table 8-1

                              DISPOSAL PRACTICES FOR LLW DISPOSAL
    SLD2
5,  SLD/ISD
6.  SLD/ISD2
7.  SLD/ISD3
8.  SLD/ISDA
9.  SLD/ISD5
10. 10CFR61
11. ISO
12. IDD
     Burial Option

Sanitary Landfill

Shallow Land Disposal

Shallow Land Disposal



Shallow Land Disposal
A:  Shallow Land Disposal
B:  Shallow Land Disposal
C:  Improved Shallow Land

A:  Shallow Land Disposal
B:  Shallow Land Disposal
C:  Improved Shallow Land

A:  Shallow Land Disposal
B:  Shallow Land Disposal
C:  Improved Shallow Land

A:  Shallow Land Disposal
B:  Improved Shallow Land
C:  Improved Shallow Land

A:  Shallow Land Disposal
B:  Shallow Land Disposal
C:  Improved Shallow Land

A:  Shallow Land Disposal
B:  Shallow Land Disposal
C:  Improved Shallow Land

Improved Shallow Land
 Disposal
Intermediate Depth Disposal
Packaging/Processing Suboptlon

As Generated

As Generated

A:  As Generated
B:  Solidified
C:  Solidified

A:  Incinerated/As Generated
B:  Incinerated/Solidified
C:  Incinerated/Solidified *
A:
B:
C:
As Generated
As Generated
As Generated
A:  High Integrity Container  (HIC)
B:  High Integrity Container  (HIC)
C:  High Integrity Container  (HIC)

A:  As Generated
B:  High Integrity Container  (HIC)
C:  Solidified

A:  As Generated
B:  As Generated
C:  As Generated

A:  Incinerated/As Generated
B:  Incinerated/Solidified
C:  Incinerated/Solidified *

A:  As Generated
B:  Solidified
C:  Solidified

A:  As Generated
B:  Solidified
C:  Solidified

A:  As Generated
B:  Solidified
C:  Solidified
Table continued on following page.
                                              8-7

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                                     Table 8-1 (Continued)

                              DISPOSAL PRACTICES FOR LLW DISPOSAL
   Mnemoic
     Burial Option
Packaging/Processing Suboption
13. DWI

14. HF

15. EMCB



16. CC

17. DGD
Deep Well Injection

Hydrofracture

A:  Earth Mound
B:  Concrete Bunker
C:  Concrete Bunker

Concrete Canister

Deep Geologic Disposal
 Existing Mine
As Generated

As Generated

A:  Solidified
B:  Solidified
C:  Solidified

Solidified

Solidified
NOTE:     A, B,  and  C refer to waste  class under NRC  10 CFR 61 definition.   For  purposes of
          analysis, NARM is considered to be a Class C waste.

*         Incinerated waste  form  used where  possible;  otherwise the Indicated  form was used,
          with the exception of NARM wastes whose form was "as is" if not incinerated.
                                                                                 September 1987
                                              8-8

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will comprise  about 2.2  million  cubic meters  of  the  total  amount of  LLW

estimated  to  be generated  over  the next  20  years;  the two  NARM wastes

that  constitute  the  bulk of that which  EPA  is  proposing  to regulate will
                                                                        *
make  up about 6,600 cubic meters of waste over the same  20-year  period.

The   regional  distribution  of LLW  involves  720,000  cubic  meters  being

generated  in  the  humid  impermeable region,  1,120,000  cubic meters being

generated  in  the  humid permeable  region, and 330,000  cubic meters being

generated  in   the  arid   permeable  region.   Figure  8-2  illustrates  the
                                         **
distribution of  this waste by   Compact.      Two  of the  Compacts,  the

Southeast and Northeast, will generate 48 percent  of the waste.


     In total,  the  2.2 million cubic  meters  of commercial  LLW and NARM are
                                                         ***
projected  to  contain about 13 million curies  of  activity.      Five wastes

account  for   more  than   88  percent  of  the  activity  —  L-NFRCOMP,

L-IXRESIN,  N-TRITIUM,  L-FSLUDCE,   and  N-ISOPROD.   Nine  wastes

account for less than one percent of the activity.  Figure  8-3 presents the

distribution of activity  by waste stream  and radionuclide.    Although one

nuclide,  Fe-55,  accounts  for 31 percent of the curies, it  produces very few
     The 6,600 cubic meters  for  NARM assumes an  as generated volume of
     0.445  cubic  meters  for R-RASOURC, which reflects the small volume of
     the bare sources.   Based on  limitations on  the  maximum  activity per
     drum,  R-RASOURC  is projected  to  have a 20-year as disposed volume
     of 1,297 cubic  meters.    See Appendix  C  for  a derivation  of  this
     volume.
**
     As  noted above  and  in  Chapter  5,  estimation  of  economic  impacts
     requires  that  disposal volumes be  assigned  to  hydrogeologic  regions.
     For purposes of analysis, this involved  two steps:  assigning States to
     Compacts, and assigning Compacts  to regions.   In assigning States to
     Compacts,  some judgment by EPA  was required, since  the  current
     disposition  of all States  has  not been  decided.   Some Compacts have
     not been- ratified.    In  addition,  some  States  have  not  signed  any
     existing  Compact   agreements.    The   assignment   of Compacts  to
     hydrogeologic   regions   also   involved   some  judgment  by  EPA.   A
     sensitivity  analysis  evaluates  the  effect of reallocating  some of the
     Compacts to different hydrogeologic regions,  however.
**
     Measures of activity refer to the  40  long-lived  nuclides  included in
     EPA's risk assessment.
                                   8-9

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of the health  effects since Fe-55 is relatively immobile and has a  half-life of
only  2.6  years.   Conversely,  six  "significant"  nuclides —  tritium  (H-3),
carbon-14   (C-14),  iodine-129  (1-129),  cesium-137   (Cs-137),  cobalt-60
(Co-60),  and  radium-226 (Ra-226)  — comprise  47.5 percent  of the curies
(these nuclides are responsible for the majority  of population  health  effects
and  CPC  risk).  However, C-14,  1-129, and  Ra-226  contain  less than  0.1
percent  of  the  activity.   These  nuclides  nevertheless   account  for  a
significant  portion  of  population  health  effects  and  CPG risk  since  C-14,
1-129, and  Ra-226  are  highly  mobile nuclides with long half-lives.

     The  following  discussion  focuses on  characterizing  the absolute costs
and  health  risks associated with the 17  disposal  practices considered in  the
analysis.   The  absolute  measures associated with each disposal method then
are  used  to calculate  the incremental costs and avoided population health
effects  relative to  the  base case (defined as current practice, i.e.,  10 CFR
61 disposal  for  commercial  LLW).   The marginal cost-effectiveness associated
with  moving  from  one  disposal  practice to another  then is calculated  for
purposes  of determining the set of economically  "efficient" disposal  methods
(in terms of  least-cost compliance or with  respect to  the cost-effectiveness
of avoiding population health effects).   From  this set of disposal methods.
the  most  efficient  disposal method that will meet a given  LLW  alternative
standard  is determined.

Results of Costs Analysis

      For the  17 disposal methods considered, the disposal of commercial LLW
and  NARM  could cost  from $1  billion, for  waste disposed of at  a regulated
sanitary landfill in the as generated waste form,  to over $8 billion,  for deep
geologic  disposal  in   a  shale  repository  containing  the solidified  waste.
Figure  8-4  presents  the variation  in disposal costs among all  17  disposal
methods.

      These  disposal costs include four components:  packaging,  processing,
transportation,  and disposal technology.   Figure 8-5 illustrates  the  relative
                                    8-12

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importance of  each cost component  for  10 disposal  methods,  assuming  all
classes  of waste  are  treated the  same.   Packaging costs  are  included in
processing costs  if the  waste  is  solidified.   Using  shallow land  disposal,
as   generated   (SLD,   AC)   for  comparison,   note   that   packaging,
transportation,  and  disposal  technology  costs account  for roughly  equal
proportions of total cost.   Relative to this  option, solidification  (included in
processing  costs)  accounts  for  the  bulk of the  cost  difference among
disposal  options.
                                                                      *
     Since unit costs  for transportation and packaging  vary by  waste,   and
considering  the  differences in waste  volume,  the contribution to total cost
by  waste  varies   significantly.    For  10  CFR 61  disposal,  seven  wastes
account  for  77   percent   of   total   cost  —  L-NCTRASH,   L-CONCLIQ,
B-COTRASH.  L-FSLUDCE,  I-COTRASH,   P-COTRASH,  and   L-IXRESIN.
Figure 8-6 illustrates  the  relative  contribution of these wastes  to  the  total
cost of 10  CFR 61  disposal.

Results of Population  Health Effects Analysis

     Having  characterized the costs associated  with the 17 disposal  practices
considered in the analysis  of alternative  LLW standards,  the discussion  now
turns to characterization of health effects.   Disposal of the 20-year volume
of  commercial  LLW and  NARM  could  result  in  population health  effects
ranging  from about seven effects  for disposal of solidified waste  in concrete
canisters (CCs) up to 187  health  effects for disposal of waste  as generated
in  a  regulated  sanitary  landfill   (SLF,  AC).   Figure 8-7  illustrates  the
variation in  total population health effects among disposal  methods for all 17
methods.   Most of the risk reduction  benefit  of more  stringent disposal is
gained during  the  first 1,000  years,  due to longer site integrity (i.e., time
to  cap  failure)  and  the  slower  transport  of  nuclides  resulting  from
solidification.  Figure  8-8 demonstrates the variation  in population risk  over
time for  selected disposal practices.
     Transportation and packaging costs  vary by waste due,  in  part, to the
     variation  in  activity  among  wastes.   See Appendix  C   for  a  more
     detailed discussion of these cost components.
                                    8-15

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     Disposal  consistent with 10 CFR 61 regulations is expected to result  in
about  28  health  effects  over  10,000  years.   Of this  total,  fatal  cancers
account for about  25 health effects  or 89 percent  of the total.   As with
other  disposal options,  the  contribution  to  total risk varies  strongly  by
waste  for  10 CFR 61  disposal, as demonstrated in Table 8-2.  Class  A waste
comprises over 15  health  effects,  which is not  surprising  since  this waste
class represents  88  percent  of the total  volume.  Class  B waste,  on the
other hand, represents only  10.8  percent  of  waste  volume but  accounts for
almost half of the total health effects.  Class C  and NARM  waste  contribute
an insignificant amount of the total, due to the  more stringent treatment  of
           *
this  waste.    For 10 CFR 61  disposal,  six wastes account  for  70  percent  of
the  population  health  effects:    I-COTRASH,  N-TRITIUM,   L-IXRESIN,
L-CONCLIQ,   L-NFRCOMP,  and   N-LOTRASH.   Note  that  the  dominant
contributors to cost and population health  effects are not  the same.   Figure
8-9  shows  the contribution to  total  health  effects by  waste for 10  CFR  61
disposal.

     The regional contribution to total health  effects also  is demonstrated  in
Table  8-2.  Under 10 CFR 61  disposal, the  regional  contribution of  health
effects  is   roughly  proportional  to  the   regional  volumes.   The  humid
permeable  region  represents  52 percent of the  total  commercial and  NARM
volume and 47.6  percent of the health  effects; the humid impermeable  region
represents 33  percent of  total  U.S. volume and 38.5 percent  of  the  health
effects; the arid  permeable region represents  15 percent of volume and 13.9
percent of health effects  under 10 CFR 61 disposal.    This proportionality
of volumes to  health  effects  should  not be   construed  to  suggest that
hydrogeology  does not play  a role in estimating health  effects, however.
Due  to a  higher percentage volume of lower activity  waste  in  the  humid
permeable region, the role of hydrogeology is masked  somewhat.  Under  10
CFR  61 disposal, if the  same  distribution of waste  volume is assumed  in
each hydrogeologic region, twice  as many  health effects would  occur  in the
     For  conventional  shallow  land  disposal  as 'generated,  these  wastes
     account for  39  percent  of the population health effects,  however.

                                   8-19

-------
                                           Table 8-2

                       CONTRIBUTION TO TOTAL POPULATION HEALTH EFFECTS
                          BY CLASS OF WASTE AND HTOROGEOLOGIC REGION
                                    FOR 10 CFR 61 DISPOSAL
Waste Class

Class A

Class B

Class C

NARM
Humid Permeable
    Region	
Total Health Effects

  Humid Impermeable
       Region	
Arid Permeable
    Region
U.S. Total
TOTAL
        13
           11
                           28
NOTE:     Health effects  include  fatal  cancers and genetic  effects  over 10,000 years and  are
          not  discounted.   Includes commercial  LLW and  NARM  only,  excluding  DOE waste  and
          wastes expected to meet the 4 mrem BRC standard.  See Appendix F for a summary  of  the
          contribution to total population health effects, by class of  waste  and hydrogeologic
          region, for all 17 disposal methods.
                                                                                 September 1987
                                                8-20

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humid  permeable region as  in the  other  two regions; an  equal  number  of
health  effects  would  occur  in the  arid  permeable and  humid  impermeable
region.

Results of the  CPC Dose Analysis

     The  final  area of analysis that is  relevant to the  evaluation of economic
                                                                         *
impacts for  alternative LLW  standards  involves  the CPC  risk  results.
Unlike the  population  health  effects  analysis,  CPG  risk  depends on  the
waste mix and  site volume,  as well  as  disposal option  and waste form.  Our
analysis  employs  standard  assumptions  for  mix  and volume  (i.e.,  U.S.
average  mix  for  commercial  LLW  and NARM and a  250,000  cubic  meter
disposal site)  and evaluates  the 17  disposal  practices.

     The  modelling  results  indicate that  CPC  risks depend  strongly  on
hydrogeologic region.   Table 8-3 summarizes  this information.  The highest
CPC  doses for  all disposal  scenarios  occurred  in  the  humid  permeable
region.   CPC  dose ranges from 82  millirem per year in the humid permeable
region (Class  A --  SLD, AC;  Class B  — SLD, HIC;  Class  C and  NARM  --
ISO, S) to essentially zero  in  the arid  permeable region  (concrete  canister,
solidified).   Disposal  consistent  with 10  CFR  61  results in an  annual CPG
dose of 9.2 millirem per year  in  the humid  permeable region,  0.03 millirem
in the humid impermeable, and 0.0009  millirem in the  arid permeable region.
These  results  highlight the  importance of hydrogeology in  meeting the LLW
standard.  If humid impermeable  sites can  be found in the generally  humid
permeable  region,  for  example,  compliance  with  EPA's  LLW  standard  could
be  accomplished  through  resiling,  rather than employing  a  more  stringent
disposal   option.   In   the  sensitivity  analysis  section of this  chapter,
economic  impacts are estimated under the assumption  that the hydrogeologic
characteristics of  the  humid  impermeable region might  be  found in the  humid
     Similar  to  the BRC  analysis in Chapter 7,  this discussion considers
     CPC  dose only.   However,  since  dose and risk  are  related  by  a
     constant factor [MEY86a], the discussion applies  to CPC dose as well.
                                   8-22

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permeable  region.   Given the uncertainty of the availability  of such sites,
however,  base case economic  impacts  are  calculated under  the conservative
assumption that more  favorable  site characteristics are not available  in  the
humid  permeable region.

     In general,  disposal practices  with  higher  costs are expected  to lead to
lower CPC doses.   However,  the risk modelling did not always confirm this
expectation.   The   clearly unattractive  disposal  practices  (i.e.,  for which
another  practice  has  both lower cost  and lower CPC dose) vary by region.
However,   four   disposal  practices  produced  unexpected   (i.e.,  more
expensive  but  less  protective)  results  in  all  three  regions:   the   two
practices  using high  integrity containers (HICs),  earth mounded concrete
bunkers,  and  improved  shallow land disposal.   (See Figure 8-10.)   The
explanation  of  these  counterintuitive  results  and   EPA's  risk  modelling
assumptions are described in EPA87.

     Figure 8-10 presents a  plot of total  disposal costs and  CPC  doses  for
15 of  the  17  disposal  methods considered in the  analysis.   (Hydrofracture
and  deep  well  injection  are  excluded since only  a  subset  of the  wastes
considered in  the  LLW  analysis were included for these  two technologies
when  running  the  computer  model that  estimates  CPC  risk.   Recall  that
these  two  technologies apply only  to the disposal of  liquid  wastes.)  The
curve  drawn in the figure highlights the set of least-cost disposal options
that would meet alternative CPC dose  limits.   Least-cost disposal options  are
relevant since, under the  implicit  implementation  assumption  (i.e., where
population risk cost-effectiveness  is  not  a  consideration),  compliance  with
EPA's  proposed  CPC  dose standard  presumably  will  be  accomplished by  a
commercial disposal  facility at the lowest possible cost.  In Figure 8-10,  the
"least-cost compliance  curve"  indicates that 10 CFR  (51  disposal (current
practice)  is  almost  identical  in  cost  and  risk  to the  least-cost option  that
would  meet the proposed 25 millirem standard.
                                    8-24

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ECONOMIC  IMPACT OF ALTERNATIVE  STANDARDS

Interpretation of Cost-Effectiveness Ratios

     In  general,  more  costly  disposal options  are  expected  to  result  in
fewer  health  effects.   The  cost-effectiveness  ratio   provides  a  relative
measure  of  the  value of  more costly disposal  and is  defined as the ratio  of
incremental  costs to  avoided  health effects.   In our  analysis,  incremental
costs and avoided  health effects are calculated by  comparing  any two  dis-
posal options (A  and B);  consequently,  a  mathematical formulation  of  this
is:
     Cost-Effectiveness =  Cost  (A) -  Cost  (B)   =  Cost/Avoided  H.E.
          Ratio            H.E.  (B) -  H.E. (A)

     In  this   analysis,   the  average  cost-effectiveness  is  calculated  by
comparing  the costs and risks of any  particular option to the base case  of
10  CFR  61  disposal.  Therefore,   average  cost-effectiveness  measures the
value of the  disposal option under consideration relative  to the base case.
By   comparison,  the  marginal  cost-effectiveness  measures  the  value  of  a
given  disposal  option   relative  to  another  disposal  option  (i.e.,  not
necessarily  the base case).  The  marginal  cost-effectiveness is also used  in
the  economic  evaluation  of alternative  standards  to  compare  each standard
with higher or lower alternatives.

     The base  case  implementation  scenario  used  in  the  LLW  analysis  of
alternative  standards assumes  NRC  will  implement   the  standard  on   a
national,  rather than regional,  basis,  without explicit consideration of the
population  risk  cost-effectiveness  (i.e.,  National-Implicit  implementation).
Another  consideration in  estimating the  economic  impacts associated  with
alternative  standards concerns  whether current disposal  practice  would  be
relaxed  in  the  event that  a  higher  standard is  chosen.   The  analysis
considers five  discrete  alternative standards —  125  millirem  per year,  75
millirem, 25 millirem,  10  millirem,  and 4 millirem.  At higher standards,  a
                                    8-26

-------
less  stringent  disposal option  (in comparison  to  current practice) would be
sufficient  to  meet  the  standard.   Since  EPA  is  proposing  a 25  millirem
standard,  our  analysis  does not necessarily imply that less costly  disposal
will be used to meet a higher millirem standard.   However,  since  these  less
costly  disposal options are true economic alternatives to the status quo, the
opportunity  that  society  forgoes  by  choosing  to  employ  more  stringent
disposal  technology  is  represented  by  the  incremental  cost  and  avoided
health' effects  associated  with  the  less   stringent  disposal.    Thus,  in
estimating  economic  impacts,  the least-cost method of  compliance  is  assumed
for all alternatives,  including those which  are less  restrictive  than  current
practice.

     Table 8-4 presents the economic impacts associated with the  disposal of
commercial and NARM waste  under  the  National-Implicit implementation  (the
base case  implementation assumption).  Incremental costs and avoided  health
effects are measured  relative to current  practice, i.e.,  10 CFR 61 disposal.
Costs,  in  1985  dollars,  are  incurred  annually from  1985  to  200U  and
discounted  to  1985  at a  10  percent rate.   Health  effects, statistical fatal
cancers  and genetic effects,  occur over 10,000  years, beginning in 2008.
As  mentioned  previously, costs  and health effects  exclude all  unregulated
wastes   (including  nine  commercial  wastes  expected  to  meet  the  BRC
standard)  and  DOE  waste.

     The regulated  disposal practices that  meet each alternative standard at
least  cost  are  also  shown  in  Table 8-U.   Given  the  uncertainty  associated
with applying  to actual  disposal  sites the  results from  the  CPG  risk model
(which is based on  a characterization of  a  "generic" disposal site),  EPA has
increased the  predicted maximum CPG dose by a  factor of two  for purposes
of determining whether a given  disposal method  would meet an  alternative
                                                          *
LLW standard, an environmentally conservative assumption.   This factor of
*
     This  factor was not  used in the  BRC analysis since environmentally
     conservative assumptions  were already built  into  the  analysis  through
     the specification of "worst case" BRC  disposal scenarios.

                                   8-27

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two is not  inconsistent with the results of the sensitivity analysis presented
later  in this chapter, which  explores  the  effect of changing  some modelling
parameters  such as site  size,  waste  mix,  the exclusion of NARM,  and  the
inclusion of BRC wastes.

     At EPA's  proposed 25 millirem annual exposure standard,  the  economic
impacts associated  with the least-cost  option are fairly  small — $9 million in
savings with little  impact on  health effects.   From a practical standpoint, it
is  not within the resolving power of our analysis to distinguish between  the
least-cost option at a 25 millirem annual  exposure  standard and  10  CFR  61
disposal.   Moreover, a deviation from current practice is  probably unlikely
at  a 25 millirem annual exposure standard.  Therefore,  the economic impacts
on  commercial  and   NARM  waste  generators  would  be nonexistent   by
definition   (compared  to  current   practice)   at  the proposed  25   millirem
         *
standard.

     The  last  column of  Table 8-U  shows  the  marginal  cost-effectiveness
associated  with moving  from a  higher to  a  lower  standard.   For example,
moving from a  100  millirem standard to a  50  millirem standard would  require
shallow land  disposal, as  generated  (SLO,  AC)   rather  than a  regulated
sanitary landfill, as generated  (SLF,  AC).  The marginal  cost-effectiveness
from a  100 to 50 millirem annual exposure  standard is about $1.1  million  per
avoided  health effect.    The  marginal  cost-effectiveness associated with
moving from a  50  to  a  25 millirem annual exposure standard  is  $16  million
per avoided  health  effect.  The marginal  cost-effectiveness  ratio increases
significantly as successively more stringent standards are considered.

     In addition to  estimating the economic impacts  of alternative standards
associated  with the  disposal of commercial  LLW and NARM,  an approximation
     Recall  that  the  cost  and  avoided  health  effects  associated   with
     regulating  R-RAIXRSN and  R-RASOURC  were already captured  in  the
     estimates  of  NARM  impacts  in  Chapter  6.    In  this  chapter,   ISO
     solidified   is  defined   as   current  practice   for   NARM,   to   avoid
     double-counting impacts.
                                   8-29

-------
of the aggregate economic impacts  including DOE waste is  presented as well.
The  costs  and  risks  of DOE  waste disposal  have not  been  specifically
modeled,  due  to  the  limited  availability  of  data.    Rather,   using  EPA
assumptions,  the  costs  and  risks  for  DOE  waste  were  calculated  by
adjusting  estimates  derived  from commercial LLW by  the  relative volume of
DOE waste and commercial waste.  EPA's  calculation procedure (explained in
detail in Appendix  C) requires  several important assumptions, such  as:  (1)
DOE waste can be  described  by the  same set of waste stream  characteristics
as commercial;  (2)  the concentration and  distribution  of radionuclides  is the
same   for   each   waste;  (3)   although   aggregate  volumes  differ,  the
distribution of waste  volume  is  the  same within each hydrogeologic region;
(H) DOE will have the same percentage of BRC  waste  as commercial; and (5)
the  unit  costs of  disposal  are  assumed  to  be  the  same  for DOE  and
commercial, with  the exception of  transportation costs.    Since most  DOE
waste is expected to be disposed of onsite,  a 10-mile  transportation  distance
is assumed  rather  than the  650-mile distance assumed for commercial.   This
translates  into about a 96 percent  savings in transportation costs.   Current
disposal practice  for  DOE   waste  is  assumed  to  differ  from  commercial.
Under current practice, DOE waste is  disposed of at  a shallow land disposal
site  with waste in the as generated waste form.

     Since current practice for DOE waste assumes  a  less stringent disposal
option  than what would meet a 25  millirem annual exposure  standard, the
economic impacts are more significant when  DOE is included in the analysis.
Table 8-5 presents  the  economic impacts  for alternative  standards associated
with  the  disposal   of  commercial,   NARM,   and   DOE   waste.    Assuming
least-cost compliance, a 25 millirem annual  exposure standard would cost an
additional $140 million, but would avoid three additional  health effects.  The
marginal cost-effectiveness of moving from  a  50 to a  25 millirem  standard in
the aggregate  is.$19 million  per avoided  health effect (in comparison  to $16
                                    8-30

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-------
million for commercial and  NARM only).   If the  impact on  DOE were to be
considered in isolation,  the marginal  cost-effectiveness  of moving from a 50
to a  25  millirem annual  exposure  standard would  be on  the order of  $47
million per avoided health effect.
SENSITIVITY ANALYSIS

     A  great  number  of  important   assumptions  are  embedded  in   the
preceding  analysis  of alternative  standards.  This  section  discusses  the
sensitivity of the results to five of the key assumptions that were made.
First,   an   analysis  of   the   economic   impacts   under   different  NRC
implementation  assumptions  is performed.   Regional  implementation and  the
explicit consideration of  population  risk  cost-effectiveness  is  evaluated.
Second, the  sensitivity of the above results to the exclusion of NARM waste
is  analyzed.   Third, the  sensitivity  of the  results to  discounting  health
effects  will be discussed.   Fourth, the variation  in  CPC dose is analyzed
under  different risk model assumptions  relating  to disposal site size, waste
mix, and  the inclusion of  BRC  waste.  Fifth,  reassignment of compacts  to
different   hydrogeologic   regions   is   analyzed,   and,   finally,   waste
segmentation is considered  qualitatively.

NRC Implementation  Assumption

     The  implementation assumption that has been used in this analysis  to
calculate the incremental  impacts of alternative standards on the  commercial
sector  is  actually two separate  assumptions.  The first assumption  is that
the same disposal technology* will be used throughout the nation,  regardless
of  hydrogeological   region.   This assumption   is   based  on  past  NRC
regulations as  evidenced by 10  CFR 61 and is  referred  to  as the National
case.    The  National  case  contrasts  with  the  case   in  which   the disposal
technology  used  to meet  a   given   standard   is   allowed  to   vary  by
hydrogeologic region (recall the  previous discussion of  the large differences
                                   8-33

-------
in  CPC  for  any  given  method  in  the  different hydrogeologic  regions).
Implementation done on  a  region-specific basis  will be  termed  here  the
Regional case.   Since  CPC  doses are  relatively  low in  two of  the  three
hydrogeological  regions  (thus,  potentially allowing  a  less  costly disposal
option to be  used to meet the  25 millirem standard  in  those  two regions),
considerable  cost  savings  could  be  realized  if  NRC  implements   EPA's
standard on a regional basis.  However,  the  number  of  health effects  would
increase.

     The  second   assumption used  to  construct  the  base  case  for this
analysis  is  that  the  least-cost disposal  option  will be utilized,  rather than
the most  cost-effective option that meets  each CPG dose standard.   These
are termed  the Implicit and  Explicit assumptions,  respectively.   Under the
Implicit implementation assumption, the economic  impacts  are estimated for
the disposal  technology  that meets  an alternative  standard  at  the   lowest
possible  cost.  Under  the Explicit  implementation assumption,  the economic
impacts are  estimated  for the disposal technology that meets  an  alternative
standard at the  lowest cost  per avoided health effect,  relative  to the base
case disposal technology  (10  CFR  61).
 »                                »

     The  significance  of  this  second  assumption  can  be  emphasized  by
comparing the set  of economically  efficient disposal options that result  under
the  Implicit  assumption  and  under  the  Explicit  assumption.   Since  a
different   set  of  disposal   options  may  result  depending   on   which
implementation assumption is used,  the economic impacts associated with the
alternative  LLW standards can differ.

     The methodology  used  in determining the set  of  economically efficient
disposal  options  (with respect  to avoiding  population   health  effects)   is
worth  -highlighting since this  underlies  the construction of the economic
impact tables presented  in  this chapter.   The following  discussion focuses
                                    8-3U

-------
on the determination of the set of economically efficient  disposal options that
result  under   the  Explicit   implementation   assumption.    An  analogous
methodology  was employed to  determine the set of efficient  options  lying on
the "least-cost  compliance curve"  (plotted  in Figure 8-10).   As discussed
above,  the least-cost  compliance curve was  used  to determine the  disposal
option that  would  meet an alternative standard  at least cost  (under  the
Implicit implementation  assumption).

     The  marginal  cost-effectiveness  was  used  in determining  the  set  of
economically  efficient disposal options, regardless of the valuation placed on
an  avoided  health  effect.   Recall  that  the marginal  cost-effectiveness
measures  the value of a  given disposal option relative  to  another  disposal
option.   Starting  at  the  lowest cost option  (SLF, AC),  and  considering
which  is the most  efficient of the  remaining  set of higher cost options, one
would  choose the  option  that  has  the  smallest marginal  cost-effectiveness.
That  is,  the  "efficient"  option  has  the smallest cost  per avoided  health
effect associated with moving  from  a lower  to  higher cost  option.

     Figure   8-11   plots   the   "efficient   path,"   representing   the   six
economically  efficient   disposal  options out  of   the   15  disposal   options
           *
considered.   The  marginal cost-effectiveness is  represented  on the graph
by  the  slope of the line  drawn  between the options on  the  efficient  path.
All  options on the  interior of  the  efficient path  are considered  "dominated"
options;  that is, an economically  more efficient option is available.
     Although  the analysis produced sufficient  information  to  characterize
     the costs and population health effects associated  with hydrofracture
     (HF)  and. deep  well  injection  (DWI),  these two disposal  technologies
     were excluded from the figure to allow for a comparison to the disposal
     methods   found   on  the   "least-cost  compliance  curve" presented  in
     Figure 8-10.  Recall that HF and DWI  were  excluded from Figure  8-10
     since  only a subset of the wastes considered in  the  LLW analysis were
     included  for these  two  technologies  when  running the  computer model
     that estimates CPG  risk.  Significantly, if hydrofracture is  included  in
     the analysis presented  in Figure  8-11, which  plots  incremental  costs
     against avoided  health  effects,  this disposal technology  would  lie on
     the "efficient path."
                                    8-35

-------
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                                8-36

-------
     In  some cases,  a  disposal  option  is  both  more costly and  results  in
more  health effects  than  another option.   This seemingly counterintuitive
result  was  encountered  for  several  disposal options  in at  least one  region
for at least one waste.   In  aggregate, EMCB,  ISO,  and  the use  of  a NIC
were  options where, in  all  regions,  a clearly more desirable alternative
                                                                *
exists  (i.e., a lower cost option  results in fewer health effects).

     Of  the  six  options  that  are  considered efficient  with  respect  to
avoiding population health effects,  the question addressing  which  of  these
options  is  the  most cost-effective  depends on   the  valuation placed  on an
avoided  health  effect.   The more costly  method is  warranted  if the  value
per  avoided health  effect  is  greater than the marginal  cost-effectiveness
associated   with  moving  to the  higher cost  option.   However, the  above
measure  of cost-effectiveness,  which  evaluates the  cost  associated  with
avoiding population health effects,  is not the  sole criterion  guiding  EPA's
choice of a standard.   EPA's decision also reflects  the  value of  avoiding
radiological  exposure  to the CPC.  Table 8-6 demonstrates how closely  these
two criteria (population  risk and  CPC risk) are correlated with one another
in  determining  the  economically  preferred  disposal  option.   The  table
compares the set of economically  efficient  disposal options,  on  the  basis  of
population  risk  cost-effectiveness,  to  the  set   of disposal  options on the
least-cost compliance  curve.   This  comparison  highlights  the importance  of
the implementation assumption, since  a  different set  of disposal options may
result  depending  on whether both  cost-effectiveness  and  CPC  dose are
considered  in implementing EPA's  LLW standard.

     One final observation will be made regarding the cost-effectiveness  of
alternative  disposal  options  across  individual  waste  streams.   For options
that are not dominated,  the cost-effectiveness  ratio  varies by eight to  nine
orders of magnitude across  the  17  commercial  LLW and  two  NARM wastes.
This implies that,  if each  individual waste could be  treated differently  at  a
*
     For a discussion of EPA's risk modelling  assumptions, see EPA87.

                                    8-37

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particular  disposal site  (rather  than each NRC  class of waste being  treated
differently, as  assumed  in  the  LLW analysis),  the  "optimal" disposal  option
would  involve a  very different mix  of disposal  options vis-a-vis current
practice  (i.e., 10 CFR 61 disposal).

     Tables 8-7, 8-8, and  8-9 show the economic impacts for commercial LLW
and  NARM  under  Regional-Implicit, National-Explicit,  and  Regional-Explicit
implementation,     respectively    (compare    to    Table    8-1).     Under
Regional-Implicit implementation. Table 8-7,  a savings of $300 million will be
realized  compared  to  current  practice  at a  25  millirem standard.   However,
149 additional  health  effects would result.   Figure 8-12  plots the marginal
cost-effectiveness between  the alternative implementation assumptions.  This
figure is constructed  by plotting  the avoided health effects and  incremental
costs  associated  with  a  25   millirem  standard  for   the  four  alternative
implementation assumptions.   The  marginal  cost-effectiveness,  or value per
avoided  health  effect,   is  represented  by  the  slope  of  the   line  drawn
between  these data points.  If the value per  avoided  health  effect exceeds
$2 million,  then National-Implicit implementation would be more cost-effective
than  Regional-Implicit implementation.   This ratio is  within the $0.4  to $7
million  range  suggested   for  evaluating  the   sensitivity  of results  when
analyzing  EPA regulatory  programs [EPA83],   (As noted earlier,  however,
EPA's  choice of a standard depends on other policy considerations as well.)

     This  result,  where National  implementation  seems  to  be preferred to
Regional implementation, occurs  since  CPG dose  and  population  risk are
poorly  correlated  across   different  disposal  practices.   That   is,  the
least-cost  option   (chosen   on   the basis of  CPC  only)  is  not  the most
cost-effective method  (based on both  CPC risk  and population health effects
reduction)  in the  two regions  where  less  stringent  disposal practices are
able to  meet the  LLW  standard.   Regional-Explicit  implementation   (Table
8-9),  therefore  would  be  expected a  priori  to  be  the most  economically
efficient implementation  scenario,  since CPC risk  and cost-effectiveness are
                                    8-39

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considered   independently    in   each    hydrogeologic    region.      Under
Regional-Explicit  implementation,  the economy would  realize  a  $250  million
savings  in  comparison to current practice,  but  would incur  12 additional
health effects at the proposed 25 millirem standard.   However, the  marginal
cost-effectiveness  of  moving   from  Regional-Implicit   implementation   to
Regional-Explicit  implementation   is  only $0.4  million  per  avoided  health
effect  (see  Figure  8-12).

     Note  that  National-Implicit  (Table   8-4)  and  National-Explicit  (Table
8-8)  implementations  have  the  same  economic  impacts  at  a   25  millirem
standard  and   lower.   This  occurs  since   the most cost-effective disposal
options  that  meet these  alternative  standards  also  happen   to  be   the
least-cost  disposal  options.    Therefore, at  a  25  millirem standard,  and
under a National  implementation  assumption,  the  additional consideration  of
population  risk  cost-effectiveness does  not affect the base case results.

     One  final   observation   involves  the   marginal  cost-effectiveness   of
moving from one  alternative  to  another  under  the different implementation
assumptions.    Since some of the benefit of avoiding  population  risk  in  the
humid impermeable region is either  accomplished at the higher levels  of  the
alternative   standards    (as   in   the   case   of   the    Regional-Explicit
implementation)   or  simply   not  considered   (as   in   the  case  of   the
Regional-Implicit implementation), the marginal  cost-effectiveness of moving
from the 50 to the 25 millirem  alternative is significantly greater  than under
the base case  implementation  assumption.  The marginal  cost-effectiveness
between the  50 and  25  millirem  alternatives  is  $110  million per avoided
health  effect under  either   Regional  implementation  vis-a-vis  $16  million
     For  illustration purposes only, a  $5 million value  per avoided  health
     effect  is  used  in estimating  the  economic  impacts  under  an  explicit
     implementation assumption  (Tables  8-8  and  8-9).   This  figure  is  not
     meant  to  suggest  a  valuation  applied  by  EPA.  The economic  impacts
     may  be significantly  different, however,  under different assumptions
     regarding the value per  avoided health  effect.
                                    8-46

-------
under National-Implicit  implementation.   Therefore,  the  economic  analysis
suggests  that  the relative cost of moving  from a 50  to 25  million  standard
increases significantly if the NRC implements  on a Regional  rather  than a
National  basis.

Exclusion of NARM

     Since  R-RASOURC  and  R-RAIXRSN  will  be  regulated  using  TSCA
authority and  will be co-disposed with AEA wastes, these two  NARM wastes
have been included  in the base  case analysis.   As a sensitivity,  however,
the  impacts  associated  with  excluding  NARM from  the  LLW  analysis  are
presented   in   Table  8-10  for   commercial   LLW  under   National-Implicit
implementation.   Since  NARM  volume  is  small  relative to  commercial LLW
volume,  the  incremental  costs  do not change  significantly.   Avoided  health
effects,  on  the other hand,  change  substantially,  since much of the  health
risk reduction  is associated  with more stringent  treatment  of NARM.   For
example,  NARM is responsible for 38  percent  of the health effects associated
with SLD, as generated  disposal  technology,  in comparison to less  than  one
percent of the  health effects for  10  CFR  61  disposal.  Thus, the exclusion
of NARM  has the most significant impact  on avoided health effects at higher
standards,  where  the  as generated  waste  form is used  for  disposal.  The
solidification of NARM  appears to be an  effective means of eliminating most
of the health effects associated, with  its disposal.   By excluding NARM from
the  analysis,  the  benefit  associated  with  solidifying  this  waste  is  not
captured,  as  reflected  in  the marginal cost-effectiveness  associated with
moving from  the 50 millirem to  the 25 millirem  per year alternative.   Without
NARM,  the  marginal  cost-effectiveness per commercial  LLW  increases from
$16  million to  $69 million per avoided  health effect between  the 50 and  25
millirem per  year  alternatives.

Discounting  Health Effects

     While costs,  which  occur   over  the  20-year   disposal  period,  are
                                    8-U7

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8-48

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discounted  at  a  10 percent  real  rate  in  the base  case analysis, health
effects,  which  occur  over  the  10,000-year  exposure  period,  are  not
discounted  at  all.   Therefore,  a  sensitivity  analysis  was  performed  to
determine the  effect of discounting  avoided health effects (i.e.,  benefits).
The  results   from   Appendix  E are  reproduced  in  Table   8-11.   The
methodology used  in   calculating  the   economic  impacts  under  different
discount  rate  assumptions  is discussed in  the  appendix.    Since health
effects  occur  over  such  a  long period,  the  effect  of using  any  positive
discount rate can be extreme.  For example, the base case of 160 additional
health effects  (versus  current  practice)  predicted  at  the 100  millirem  per
year  alternative  is  reduced to 22 additional health effects when discounted
at a two percent rate.   The marginal cost-effectiveness  ratios increase  one
to two orders  of magnitude at a two  percent  discount  rate and increase  by
one to three orders of magnitude at  a  five percent  rate.  Changes in  the
marginal cost-effectiveness  ratio  are  especially  large at standards below 50
millirem.

Variation in CPC  Dose

     Several additional  risk  model   runs  were  performed  to  explore  the
sensitivity   of  the CPC results  to  modelling parameters  such  as  site size,
waste mix,  the exclusion  of NARM,  and  the inclusion of  BRC.   Since some
uncertainty concerning these  parameters exists, a  sensitivity analysis  was
performed to estimate the relative importance of each parameter.   But, more
importantly, these parameters are more a function of the economics of LLW
disposal  (vis-a-vis  the technical  or scientific  parameters  used in  the  model
such  as  leach  rates, annual   rainfall,  etc.).   Therefore,   a   sensitivity
analysis  was performed to estimate  the effect of decisions  that  influence the
economics of disposal,  such as the formation of compacts, which may  result
in a different  site size and waste mix,  or the type of NRC implementation,
which could affect the set of  wastes  that meet the 4 millirem  BRC criterion.
The sensitivity  results are summarized  by  hydrogeologic region  in  Table
8-12 for 10  CFR  61  disposal.
                                    8-49

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                                                8-51

-------
     Site  size has the most significant impact on CPC dose.  The base case
site  size was assumed to be 250,000 cubic meters.   If site size  is increased
to 500,000  cubic  meters,  the  maximum  CPC dose  would  increase  by  U1
percent,  or from  9.2  to  13  millirems  per  year  in the  humid  permeable
region.

     Another parameter,  waste mix,  has a much smaller effect on CPC dose.
The  base case assumes  the U.S.  average  waste mix is disposed of at the
site.  If a  representative regional  Compact waste mix  is disposed of at the
site, maximum CPC dose would  increase  by about five percent,  or from 9.2
to 9.7 millirems per  year in the  humid  permeable  region.   If  the  regional
Compact mix and entire  Compact volume  is assumed to be disposed of at a
site, the  maximum  CPC  dose could  increase  by  63  percent,  or  from 9.2 to
15 millirems in  the  humid  permeable region.   The  15 millirem  CPC  dose
estimate  is  based on  disposal at one site of the  entire  590,000 cubic meters
of waste  generated  in  the Southeast  Compact.   Significantly, even  with
these variations, 10 CFR 61 still meets  the proposed 25 millirem standard in
the humid permeable  region (the  region  with the  highest  estimates of CPC
dose).

     In  the hypothetical case  where a  zero  BRC  standard is  promulgated,
the  nine  commercial  wastes  expected  to  meet the   proposed 4  millirem
standard  would be disposed  at  a  regulated facility.   In  this  case,  the
maximum  CPC dose would  decrease by  seven percent, or  from 9.2 to 8.6
millirems  per  year in  the humid  permeable  region.   Since the  nine  BRC
wastes   are  characterized  by   high   volumes   and  low   radionuclide
concentrations,  the inclusion of  these wastes  at a regulated facility tends to
dilute the overall  radionuclide  concentration at the  site (the  average  site
volume  increases from  250,000  cubic meters to  373,000 cubic  meters,  but
little activity is added).

     Excluding  NARM from the  site appears  to  have an insignificant effect
on  CPC  dose.   For   example,  compare  Case 3  in  Table  8-12  to  Case 6.
These two cases differ  only in  that  Case 3  includes  NARM whereas Case  6
                                    8-52

-------
does  not.   Nevertheless,  Cases  3  and  6  have identical predicted maximum
CPC doses in all three hydrogeologic regions.

     Finally,  the  base case  assumes a  1,000-year  time horizon  (vis-a-vis
the 10,000-year time  horizon  used  in estimating  population health effects).
Alternatively, assuming a 10,000-year horizon, no  change in the CPC dose
occurs in the humid  permeable and humid  impermeable regions.   In the arid
permeable  region,  however,  a  more  than  18-fold  increase  occurs.   This
result is  still rather  inconsequential,  since  the base case CPC  in the arid
permeable region is 0.00092  millirems per year.

Compact  Assignment to Hydrogeologic Region

     Two  sensitivity  analyses   on   the  assignment  of  Compacts   to
hydrogeologic regions  were  also performed.    Case 1  involved  reassigning
the volumes  for the  PA/WV  Compact (259,548 cubic meters)  from the humid
impermeable  region  to the   humid  permeable  region.   Case   2 involved
reassigning  volumes as in Case  1  and,  in addition, reassigning  volumes  for
the  Central  Compact  (153,807  cubic  meters)  from the  humid permeable
                                    *
region to the arid  permeable  region.

     The  results for Cases 1  and  2 are presented  in Tables  8-13 and  8-14,
respectively,  for   three  alternative  implementation   assumptions.    (The
fourth,  National-Explicit,  is  not  reported,  due  to  its close  similarity  to
National-Implicit  implementation.)   The  results for the  two cases  do  not
vary   significantly;  therefore,   the  following  discussion  will  focus  on
comparing the base case  results to  results for  Case 1.  This  observation
also  suggests that reallocating  the  Central  Compact volumes  to the  arid
permeable region would have little effect on the base case results as well.

     Since unit  costs  do  not vary across hydrogeologic region,  shifting  the
PA/WV Compact volume from the humid  impermeable to  the humid permeable
     These  scenarios were chosen by  EPA  to  reflect  current areas of large
     uncertainty in  Compact siting.
                                   8-53

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region will not affect total costs under a National implementation assumption.
Under Regional  implementation, however, costs  generally  increase since, in
the  humid  permeable  region,  a more stringent  disposal practice is required
to meet the alternative standards.   Since the unit health risks are greater
in the humid permeable region, avoided health effects generally increase for
Case  1.   The net effect  on marginal cost-effectiveness is mixed, however.
A  comparison of the  marginal  cost-effectiveness ratios associated  with the
base case and Case  1  indicates that  the  ratios change from 10 percent to 30
percent.   In  particular,  the  marginal  cost-effectiveness under a  National
implementation  assumption  increases  from  $16  million  to $19  million  when
moving  from a 50 to a 25 millirem standard, or about a 20 percent  increase
when  the  PA/WV Compact is assigned to  the humid  permeable region.

Segmentation of Wastes

     Similar to substream  segregation in the  BRC  analysis, segmentation of
waste substreams is an issue in the  LLW analysis.  Since  the distribution of
specific activity for a waste can  vary by a couple of  orders  of magnitude,
substreams  of a particular  waste  may qualify for NRC classification different
from  the  aggregate  waste  stream.   As   a  result,  if  segmentation is
practiced,  the type  of disposal treatment could  differ across the substreams
for a  given waste.   For  example,  L-NCTRASH,  a  Class  A  waste,  is an
aggregation of two  NRC  substreams —  P-NCTRASH,  also a  Class  A waste,
and B-NCTRASH, a Class  B  waste.   Since  L-NCTRASH  is characterized by
a  significant volume,  Class  B  treatment  of  the substream   B-NCTRASH
(which  involves  solidification  of  the waste)  would increase costs  by  $287
million  under 10 CFR 61  disposal.  Total  health  effects  associated with 10
CFR  61  would not  vary  significantly,  in  this  example,  since  L-NCTRASH
accounts for less than one  health effect.

     This example  demonstrates that segmentation  of the waste can have a
significant  effect  on  the  results.   However, if B-NCTRASH  is treated as
                                   8-56

-------
Class B  waste under current practice, incremental costs and avoided  health
effects  at  the 25  millirem  standard  will  not  be affected,  since  current
practice  was  demonstrated  to be  in  compliance with  this  standard.   Since
absolute  costs for  10  CFR  61 disposal are  understated, however,  marginal
cost-effectiveness   ratios  associated   with   moving   from   a   50  millirem
alternative  to  the  25 millirem standard will  increase  from $16 to $26  million
per avoided health  effect.
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DISCUSSION OF OTHER PARTS OF THE  STANDARD              Chapter 9

     In addition to the BRC criterion,  the  LLW standard, and  the regulation
of certain NARM  wastes,  EPA is proposing two other limits  which affect LLW
in this action.   These limits  include  contamination  limits  expressed as  an
annual  CPC  dose limit for  groundwater,  graded  by aquifer  class,  and  a
pre-disposal  waste management limit of 25  millirem per  year.   Finally,  EPA
is also proposing  that the implementation of the  LLW and BRC  standards  be
phased in over time,  with  application  to commercial  sites  taking effect for
any  site seeking  a  new  or renewed license, and application  to DOE  sites
taking effect as of January 1, 1993.

     A  detailed quantitative  analysis with respect  to  the  three provisions
described above  has  not  been  undertaken  since  EPA believes  that  the
economic impact of these  provisions will  be small (except  perhaps for the
groundwater standard, depending on the  option chosen).   The purpose  of
this  chapter is to describe in  qualitative  terms what  the  economic impacts
would  include  if  they were  quantified and  the  reasons  EPA believes  the
impacts will  probably be small.   Each of the  three provisions will be treated
individually  in  the following discussions.
PROPOSED CROUNDWATER STANDARDS

     EPA  is proposing  two separate options  for  the  groundwater  protection
limits for  the  disposal  of  low-level  radioactive waste.  Under  either option,
the limits  depend on the type of aquifer  affected, as  follows:
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Aquifer Class

OPTION  I:

  Class I

  Class II  --
     High  Yield (above 10,000 gpd)
                           «
     Low Yield (above  10,000 gpd)


  Class III


OPTION  II:

  Class I

  Class II  and Class III
Proposed Croundwater Limit
No Degradation  (i.e., 0 millirem)
U millirem per year

Less than 25 millirem per year
(covered by  LLW standard)

Less than 25 millirem per year
(covered by  LLW standard)
No Degradation  (i.e., 0 millirem)
  millirem per year
     As with other EPA groundwater protection strategies,  the purpose of a
graded  limit is to  protect  aquifers to a  degree  commensurate  with their
value and  potential  use.   Class I  aquifers include essential community water
supplies   (sole  source  aquifers)  and,  in  particular,   pure  sources  of
groundwater.   Class  III aquifers  include  groundwaters  that  generally  are
not drinkable due to  natural causes (e.g., saline  water)  or prior manmade
contamination.   Class II aquifers,  which  include the  great  majority  of  all
aquifers,  include all groundwaters that are  not  Class  I or  Class  III.  Class
II  aquifers  are further  subdivided   under Option  I  according  to their
potential yield.  An aquifer yield threshold of 10,000 gallons  per day is used
to differentiate low  and  high yield aquifers.  This threshold  is  chosen, in
part, to reflect the average daily  consumption of 25  people (at  200  gallons
                                    9-2

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per day  per person, for a total consumption of 5.000 gallons)  and a design
factor  of two to account for the difference between the actual  yield of the
aquifer and human consumption (which varies  on a daily basis).

     The 4 millirem per year  dose  limit,  which is proposed under Option I.
for high  yield  Class II  aquifers and  under Option  II for  both Class II  and
Class  III  aquifers,  is  numerically  equal  to  the  National  Interim  Primary
Drinking  Water  Standard -  Maximum  Contaminant  Level (MCL) for manmade
radionuclides,   which  is   also  4   millirem   per   year   (whole-body  dose
equivalent).   This  interim  MCL (EPA76]  was  promulgated on  July  9,  1976
(41 FR 28404) at 40 CFR 141.15 and  141.16, with  additional interim  MCLs of
5 picocuries per liter for radium-226 and  -228, and 15 picocuries per liter
for gross alpha  particle activity (excluding uranium and radon).   Under the
interim standards,  compliance  monitoring is only required for surface water
systems  serving more than  100,000 people.

     The LLW groundwater  standards proposed in  this action  are designed
to  direct  siting of LLW  disposal  facilities away  from  the  most  valuable
groundwaters (Class I) and to  ensure that no community has  to treat  its
water supply to remove radionuclides due to a  LLW  disposal facility.

Impact on  LLW Disposal

     The proposed  groundwater  protection  standards  affect  the economic
analysis  of LLW disposal only to the extent  that  they alter  the  costs  and
benefits  of LLW disposal specifically as a result of  meeting the groundwater
standard.  These  incremental costs  and benefits would  accrue in  addition to
those already quantified in  Chapter  8 for  the proposed 25 millirem per year
LLW standard.  Thus,  under Option I,  the  groundwater standards  would
have no  additional  economic impact on sites located  above Class lit or Class
II  low yield aquifers,  since the groundwater CPC  dose  would  already  be
limited to less than  25  millirem per  year  by the LLW standard (which covers
all  pathways,  including groundwater).    However,  under  Option  II,  the
incremental economic impact  of  the  groundwater  standards  could be much
                                    9-3

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greater since the groundwater  pathway often determines  the  maximum CPC
dose with respect to the LLW standard  (i.e.. Option  II is  tantamount to an
LLW standard of 4 millirem per year).

     Incremental Impact of Option I  Croundwater Limits

      The  proposed groundwater  standards under  Option  I could  raise the
costs of disposal site selection if a site must  be relocated away from a Class
I  or Class II  high yield aquifer.  If an alternative site cannot be found (or
is   very   expensive  to locate  or  purchase),  the  proposed  groundwater
standards  under  Option  I  could require  instead a  more expensive disposal
technology  to  limit  the groundwater  CPC dose to U  millirem per  year or
lower.

     As explained further in EEI84b,  normal siting costs are estimated to
equal  approximately $263,000  to $530,000  per  site  for  a single  disposal
facility; similar  costs would be incurred for any of the shallow land disposal
options (i.e., SLD, ISO,  and IDD).  These siting cost estimates  include the
costs especially designated  in  EEI84b as  costs  of  site selection  ($263,000),
and  additional  costs  for  legal  services  and  site  study that  are  likely to
begin  before a  decision   to  reject  a  site  from  further consideration  is
reached.   For purposes of illustrating  potential  resiting costs, the  estimated
legal  costs of  $175,000  incurred  during the  first  year of facility con-
struction   and  about  one-half  of  the   first   year  costs . estimated  for
preparation of  the  Environmental Impact  Statement ($91,000)   are  added to
normal site selection costs  ($263,000),  to derive the  upper-bound estimate
of resiting cost ($530,000).  These  costs  are  included since EEI84b assumes
that all activities  will  begin in  parallel  in  the first year.

     Most  of  the site selection  cost reflects  the expense of the detailed
hydrogeologic assessments that are needed to characterize the surrounding
aquifer system.   If resiting were used to meet the groundwater limit,  EPA
estimates  that siting costs  could  increase by as much as  a  factor of nine,
depending on how many "tries"  it takes to locate  an  acceptable  site.  This
factor is  based  on a  preliminary study  conducted for EPA  that  concludes
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that for the entire  U.S., only  10  percent of all aquifers can be considered
low  yield  (less  than 10,000  gallons  per  day).  Thus,  the  probability  of
randomly  choosing a  site above  a  low yield aquifer (an  acceptable  site)  is
also about one  in 10.   The  probability of choosing an  acceptable  site on  a
random basis would,  of course, also  depend  on the prudence of  potential
sites  above  Class I  or  Class III aquifers,  or  above no aquifer at all.   In
any event,  a  10 percent probability of  locating an acceptable site implies
that, on  average, 10 tries  would  be required  per  site,  for an incremental
siting  cost  of  nine  times the cost  per  try (since  the  LLW analysis  already
accounts  for siting  costs  at the  site  eventually  chosen).  Since  at least
some  prior  knowledge of aquifer type is likely  to  be available, the proba-
bility of a successful "try"  is probably  higher than 10  percent.   However,
it  is  also  likely that at least two  sites  will be investigated in parallel,  so
that at least one "reject" will occur.

     Under  these assumptions, resiting could  add from  one to nine  times
normal  siting costs  ($263,000 to  $530,000 per  try),  or  from  $263,000  to
$4.77 million per site  (i.e.,  1 x $263,000  to 9 x  $530,000).
                                                                *
     In contrast to resiting, the incremental cost of using  more expensive
disposal technology  to  meet  the  groundwater  standards  (compared to  the
cost of 10 CFR  61  disposal,  which is required  by the  25  millirem disposal
standard  under  a National  Implicit implementation  assumption)  could range
up  to  $341  million  per  site (the  incremental cost of  concrete  canister
disposal).   Thus,  it  is  easy  to see that the  cost of  compliance  with  the
groundwater  standards  depends  strongly  on  whether  resiting  (to  areas
controlled  only  by   the 25 millirem  overall   LLW disposal  standard)  is
necessary.   The  need for resiting depends on the distribution of aquifer
types  at  otherwise   acceptable  site  locations.   If  all  of  the   otherwise
acceptable sites  are  located  above  aquifers covered by  the 4 millirem  limit,
the more  expensive  disposal  technology  could be required.
                                     9-5

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     In general,  for  either arid permeable or  humid impermeable sites,  any
disposal  technology that  is at least as good  as current practice  is likely to
meet  the proposed  groundwater  limits,  even  for  Class  II  aquifers.   For
these regions,  the groundwater standards may  not have any economic impact
at all  (assuming  compliance  is judged on a regional or site-specific basis).
A  more  difficult  question is  whether  suitable  sites  in  humid  permeable
regions can be  located with  only a  few  attempts, given other political  and
engineering constraints  on site selection.   In  these sites, the groundwater
CPC dose can exceed  4  millirem per  year,  even when 10 CFR 61  disposal  is
used  to  meet the 25  millirem  LLW standard.   If resiling in humid permeable
regions  is  not  feasible,  a more expensive technology  may be necessary to
meet  the groundwater standard;  in  this case, the  economic  impact of the
groundwater limits could  be substantial.  Of  course, implementation of EPA's
standards by the NRC and DOE could also affect  the economic impact of the
groundwater standards.  For example, if a more  expensive technology  were
needed  to  meet groundwater requirements in  humid permeable  regions  and
the NRC and DOE required the same minimum  technology  everywhere in the
country,  as   under  a  National-Implicit  implementation  assumption,  the
economic impact could  range up  to  $5 billion. . If only the  sites  in  humid
permeable regions were affected  and disposal  practice  was allowed  to relax
in the  other  two regions  (Regional  implementation),  the incremental  cost
would  be $2.1  billion; if current  disposal practice is  not allowed  to relax,
the incremental cost would be $2.5 billion.

     EPA   does   not   currently   possess    the   detailed   hydrogeologic
characterization of the distribution of aquifers nationwide  that is necessary
to evaluate  quantitatively the  likelihood  that more  expensive  technology
(rather  than  resiting)  would  be   necessary to  meet  the groundwater
standards.   However, for purposes  of estimating  economic  impacts,  EPA
assumes  that resiting will be possible, at least within  the humid permeable
regions  where  it is  more likely  to  be necessary.    To estimate the potential
magnitude of the proposed groundwater  standard  impacts,  EPA has  assumed
that resiting  will be  necessary between one  and  nine  times  per site.   If
these  assumptions  are  correct,  for  15  ultimate  sites  nationwide  (nine
commercial and  six  DOE sites,  at  $263,000  to $4.77 million  per site), the
total  maximum  incremental  cost  (over the  LLW standard) of  the  proposed
                                    9-6

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groundwater protection standards would  be $3.9 million  to $72 million.  Note
that since the potential benefit (health  effects reduction)  of resiting  away
from  Class  I  or  Class  II  high  yield  aquifers  could not  be  assessed
quantitatively, the  cost-effectiveness  of  the  groundwater  standard  under
Option I  could also not be determined.

     Incremental  Impact of Option II Croundwater Limits

     The  analysis  of the potential  aspects of the  groundwater  standards
under  Options  I  and  II  are  similar,  except that  while  more  expensive
disposal technology may not  be needed under Option I,  it is almost certainly
required under Option  II.   Since the groundwater  pathway controls the CPC
dose  in  the  humid  permeable  region,  a  1 millirem  groundwater  standard
would   require  more   expensive   disposal   technology   (e.g.,   concrete
canisters).   Relative to 10  CFR 61 disposal practice,  the  incremental cost
could  range  from   $2.1  to  $5  billion  (for  commercial  and  DOE  sites),
depending on  whether the  limit is  implemented on  a  Regional or  National
basis.

Impact on BRC Disposal

     Unlike  LLW   disposal,   it  is   possible  to  show   that  the  economic
assessment  of  alternative  BRC  criteria  is unlikely  to  be  affected  by the
proposed  groundwater  protection standards, at least  for the proposed level
of the BRC criterion of 4 millirem per year.   Except for the relatively rare
Class I  aquifers, the proposed groundwater standards  under  both Option  I
and  Option II  are  equal  to  or above  the  M millirem per year  MCL  and the
proposed  BRC.criterion.   Furthermore,  the  contribution of  the groundwater
pathway  to the estimated CPC dose  from unregulated disposal  is always less
than U  millirem (in the worst  hydrogeologic region, even  for  higher BRC
alternatives, including  15 millirem per  year).   For  BRC  criteria of 1 millirem
and  above, the controlling CPC dose  pathway  is  direct gamma radiation to
onsite  workers  or  transportation  workers.    The  CPC  dose  from  the
groundwater pathway is  less  than   1  millirem  per  year at  the proposed  U
millirem per year BRC criterion.
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1861A/09
PROPOSED PREDISPOSAL  MANAGEMENT STANDARD

     EPA is  proposing a  25  millirem per year  CPC  dose limit for low-level
radioactive waste  management operations prior  to disposal.   This standard
applies  to  the  cumulative  dose from all  exposure pathways measured  at  the
boundary of  facilities  managed by  DOE or licensed by the NRC.

     Predisposal  management  is the  preparation  of  the  waste for disposal
and   includes   packaging,   compaction,   incineration,   and   solidification
processes, either  current  or future.   These activities could be carried out,
for  example,  at   LLW  generator  sites (power  plants,   industrial   sites,
hospitals  and medical centers, DOE sites), at  or adjacent to LLW disposal
facilities during operation, or at future regional  facilities designed to serve
a State  or an entire Compact.

     Several  existing  EPA  regulations  already  limit the  CPC  dose  from
certain  exposure pathways and certain LLW facilities  to 25 millirem per year
or less.  The existence of these regulations  is a  principal reason why EPA
believes that the  additional impact of the  proposed  predisposal  management
standard  is  likely  to  be  small.   The  Radionuclide Emissions  Standards  for
Hazardous Air  Pollutants  [EPA73],  which were  promulgated under the Clean
Air Act and  are codified  in  UO  CFR 61, Subparts H (DOE facilities)  and I
(NRC  licensed  facilities), limit radiation  exposures from  air emissions  of
radionuclides to  25 millirem  per year at  the  facility boundary  (excluding
radon-220  and  -222 and their decay products).   This standard would apply
to airborne emissions  at LLW  facilities both before and after  disposal.  The
Uranium  Fuel  Cycle  Standard, which  was promulgated  under   the  Atomic
Energy  Act  in.  1977 and  is  codified at 40 CFR  190, is  also a  25  millirem
annual  dose  limit and covers all pathways from  facilities in the Uranium Fuel
Cycle,  including uranium  milling facilities,  uranium  hexafluoride  conversion
facilities,  enrichment facilities, fuel  fabrication  plants,  commercial  nuclear
power plants, and commercial fuel reprocessing plants.  This  standard does
cover   waste  processing   facilities   onsite  at   the   fuel  cycle  facilities.
However, the Fuel  Cycle  Standard does not  cover mines,  transportation of
                                    9-8

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radioactive waste, or offsite waste  processing  facilities.  The latter category
would  be covered under EPA's proposed  Predisposal  Management standard.
Hence,   the   exposures  most  obviously  affected  by   the   Predisposal
Management standard  include  those from  spills and direct  radiation at  LLW
surface  storage  or  volume  reduction  facilities   (e.g.,   biomedical  waste
incinerators),  or regional storage,  transfer, or treatment facilities.  Certain
DOE facilities  could also be  affected;  however, specific  facility  types  have
not been identified.

Impacts on LLW Predisposal  Management

     Although   EPA  has  not   performed  the  quantitative   cost  or   risk
assessments that would be necessary  to assess  the economic  impacts of the
proposed  Predisposal  Management  standard,  such  assessments  would  first
require identification  of potential  exposure pathways that  are  not already
limited by  existing  regulations or  standards.   Since the proposed  standard
represents  a   limit  on  the  cumulative  dose   from  all  pathways,  the
contribution of the  air  pathway, even  though limited  by the  Clean Air Act
emissions  standards,   would  need  to  be  quantified,  including  exposure
resulting  from surface  spillage,  followed by air  entrainment  and  offsite
transport.

     Permanent emplacement of waste at facilities  covered  by  either 10 CFR
190  or  this   Predisposal   Management  standard   is   not  contemplated.
Therefore,  groundwater  releases   resulting  from  normal  waste  leaching
processes  (such as occur  at  disposal sites)  are  unlikely,  although  they
could conceivably result from  spillage  during operations.   Similarly,  it  is
theoretically  possible  that  offsite contamination  could occur as a  result  of
spillage and surface runoff during  a rainstorm (or flood).  Finally, if waste
treatment or storage vessels are located close to  the  boundary  of  the  site,
external  direct gamma  radiation could also cause  exposure  to  individuals  at
the site boundary in excess of 25 millirem per year.
                                    9-9

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     In summary, the  additional  costs  of  meeting the proposed  25 millirem
Predisposal  Management  standard  would  probably  result  from  actions to
control  spillage  (e.g., by  the  use of  good  housekeeping  practices  and
proper  design of handling  equipment)  or to  limit  direct  gamma  radiation
(e.g.,  by   placing   storage   bins  away  from   the  facility  boundary).
Conceptually, reduction  of  air  emissions  could also be  used to  meet the
predisposal  standard,  if  such  reduction  proved to be  a  less  expensive
means  of meeting the standard.   The costs of specific measures that  may be
necessary to  meet the  proposed  Predisposal Management standard  have not
been  quantified,  but  due  to  the  small  additional  measures   that  are
envisioned  to  be  required, these  costs can be  expected to be minimal.
PROPOSED EFFECTIVE DATE OF THE  STANDARDS

     EPA  is proposing  that  its  Post- and Predisposal Management standards
be  applied at  commercial  facilities  as soon  as such  facilities  seek new or
renewed  licenses.  Application  of these  standards is proposed  to commence
three years after promulgation  (January 1, 1993) for new or present  DOE
facilities  if they are to continue operation.

     Deferral  of the effective  date of these  standards  has both  cost  and
benefit  implications.   First, until the standards  take effect, some  disposal
practices  may continue to exceed the standards (this is most likely  for  DOE
facilities,  which currently employ a disposal technology which may exceed a
25  millirem per year CPC dose in  humid permeable  hydrogeologic regions).
The second impact is  that  short-term  costs  (in excess of  the costs already
included in the cost-effectiveness analysis of alternative  LLW standards) are
avoided.   The cost  analysis presented in  Chapter 8  implicitly assumes  that
disposal  site  operators  and engineers will  design and build a  new facility
that complies  with  the standard.   No  costs  are considered "sunk" costs
(i.e.,  costs  that are  already  incurred),  such  as  the  capital  costs  at an
existing  site;  sunk costs would  not be included  in  the assessment of the
incremental costs of the standard.  On  the other hand,  transitional costs
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(e.g.,  the  lost  value  of  the remaining  capacity  at  existing  sites)   are
reduced  by  delaying  the effective  date,  as are  unusual costs that reflect
current  conditions  that  will change by 1993  (e.g., transportation of  the
waste  as much as  2,000 miles,  for generators  located  far away  from  the
three  disposal  facilities  now accepting  waste, and disposal  tariffs  under
LLWPA85,  for  generators located  outside  of Compacts  that  host  one of  the
three  operating  commercial  sites).   Were  it possible to  quantify  both  the
short-term costs  (avoided by deferral  of the effective date)  and  the interim
short-term risks, it would be possible  to construct a cost-effectiveness ratio
that   compared   immediate    implementation   to   the   proposed    deferred
implementation.   However,  based  on  the  foregoing qualitative  discussion,
this ratio appears likely  to be  large  (high  transitional costs, low  incremental
risks).
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DISTRIBUTIONAL IMPACTS                                     Chapter  10

     As  part  of  its  regulatory  analysis,  EPA considers the economic  impact
of its regulations  on  small  businesses and,  in particular,  whether  small
businesses  would  be   substantially   or   disproportionately   affected.   To
support  EPA's analysis,  the  overall objective of this chapter is to evaluate
the  distribution  of  costs  among  various  groups   resulting  from  the
implementation of EPA's  proposed standards.

     The incremental costs borne by  commercial  enterprises  resulting from
the  implementation  of   EPA's standards  package  —  which  includes  a   25
millirem  LLW standard,  a 4 millirem  BRC  limit,  a 2 nanocurie per  gram and
0.05  millicurie NARM limit, a zero to 25  or zero to U  millirem  groundwater
limit  (depending  on  groundwater  option),  and a  25  millirem predisposal limit
                                                                          *
— are expected  to be either  very  small or negative (i.e., a  net savings).
Accordingly,  this analysis  will  address the  distributional impacts associated
with  EPA's proposed  standards  package in a qualitative manner only.

     The discussion will focus first on the overall impacts expected  from the
implementation of each  component of  the standards  package.   Next, the
types  of industries  expected  to  bear  these  impacts  will  be identified.
Finally,  the  distribution of the impacts among  the parties  will  be specified
to the  extent  possible,  with   particular  consideration  given  to  whether
additional costs will  be imposed upon  small businesses.
     As  discussed  in  Chapter 9,  the  impact on commercial LLW disposal  of
     groundwater Option II  could  be significant since  it might require more
     expensive disposal  technology.
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IMPACTS  OF THE STANDARDS PACKAGE

The  LLW Disposal Standard

     The  proposed  25  millirem  per  year  LLW  disposal  standard  is not
expected to change  current disposal  practice (i.e.,  10 CFR  61  disposal)  in
the commercial sector.  As a result, the economic  impacts  associated  with
implementing this standard are zero for commercial LLW disposal.   However,
current practice  at  DOE  waste  sites, as defined by EPA,  involves  shallow
land disposal  which  will not always meet  (i.e.,  in all regions) the proposed
25 millirem LLW standard.   However, the additional cost borne by  DOE sites
is not a distributional  issue  since  this  incremental cost will ultimately  be
borne   by   taxpayers  and,   therefore,   will   be   widely  distributed.
Furthermore,  the overall impact  on DOE waste disposal  is expected to result
in a net savings to  society as  a  result  of  the  savings associated with the
BRC criterion.

The  BRC  Criterion

     The  proposed   U  millirem  BRC  criterion  is  expected  to  produce
substantial  savings  for  the  economy  —  approximately  $400  million  for
commercial  LLW  disposal  and $220  million   for  DOE   LLW  disposal  under
National  Implicit  implementation,  or $310 million for   commercial  and  $180
million  for  DOE  under  National   Explicit   implementation.    The  estimated
savings of $220 or $180 million for  DOE waste are based on  EPA assumptions
explained in  Appendix C.    As discussed  below,  the BRC  criterion will
produce  substantial  revenue  increases  for  some businesses,  but may also
result in revenue losses for others.

The  NARM Limit

     The  combined   2  nanocurie   per  gram  (specific  activity)   and  0.05
millicurie  per package  (total activity)  NARM limit will result  in an additional
cost to society ranging from zero  to $23  million,  depending on base  case  as
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explained in Chapter  6.   Current disposal  practice for NARM  waste,  which
is somewhat difficult to define given the different  regulatory  treatment  by
the states,  is assumed to  range from unregulated disposal  to disposal in  an
Improved Shallow  Land  Disposal (ISO)  site in the solidified  waste form for
both R-RASOURC  and R-RAIXRSN.  All other NARM waste is assumed to  be
disposed at an unregulated disposal  site.  Since the  unregulated disposal of
R-RASOURC and  R-RAIXRSN will not  meet the NARM limit,  generators  of
these wastes could bear the additional cost of regulated disposal if they had
otherwise planned on unregulated disposal.   These generators would include
municipal water systems using  filters  to remove  radium  or  uranium  from
water   (for   R-RAIXRSN),  and   laboratories,   hospitals,  and   academic
institutions  currently possessing radium  sources  (R-RASOURC).

The  Croundwater  Standards

     As  discussed in  Chapter  9,  the  proposed  groundwater standards  will
have no additional economic impact on  sites located  above Class III aquifers
or Class II  low yield  aquifers  under Option  I, since the groundwater CPC
dose would  already  be limited  to less  than 25  millirem per year  under the
LLW  standard.  However,   under Option  I, additional  costs associated with
either  resiting  or  more expensive  disposal  could  result  if  an  otherwise
acceptable   site is  above  a  Class  I   aquifer   (where  no  degradation  is
permitted)  or a Class  II high yield aquifer (which is  subject to a H millirem
per  year  limit).    Under  Option  II,   additional  costs are   likely  to  be
significant  (ranging   from  $2.1   billion  to  $5  billion,  depending   on
implementation)  since the groundwater  standards (4 millirem or  below  under
this  option)  would  constitute  effectively  a lower  LLW  standard,  since
groundwater is  often  the  controlling pathway.   In  Chapter 9,  the analysis
demonstrates that  resiting  costs are small (ranging from $3.9 million to $72
million) relative to the additional costs associated with  an alternative  way to
meet the groundwater  standard —  i.e.,  using a more expensive disposal
technology to meet the groundwater  standard.  The groundwater  standards
under  both  Option I and Option II are expected to have little or no impact
on the generators of BRC  waste since  all of the groundwater standards are
                                   10-3

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equal to or  above the 4 millirem proposed BRC criterion, with the exception
of  the  relatively  rare  Class  I  aquifers.   In  any  event,  generators  of
commercial LLW would bear the additional impacts; these generators include
electric utilities  (with  nuclear  power plants),  institutional,  industrial,  and
fuel cycle generators or commercial LLW, and DOE  LLW generators.

The Predisposal Management Standard

     Finally, as  mentioned in Chapter  9,  EPA expects  that the 25 millirem
predisposal  management standard  will  result  in  little  additional cost since
several  existing  EPA regulations  already  limit the  CPC  dose  from  certain
exposure  pathways  and  certain  LLW  facilities  [CAA67,   DOT83,   EPA73,
EPA76,  EPA77, SDWA7U],   The  additional  costs of  meeting this  standard
would probably result from actions to control spillage  (e.g., by the use of
good  housekeeping practices  and  proper design of  handling equipment) or
to limit  direct gamma radiation (e.g., by placing storage bins away from the
facility  boundary).
IDENTIFICATION OF INDUSTRIES BEARING  THE  IMPACTS

Social Versus Out-of-Pocket Costs

     The  previous  discussion  summarized  the  incremental  societal  costs
associated  with  the standards  package.   As  explained  in  Chapter 3,  these
costs are  based on estimates  of the  before-tax cash  costs  paid  by the
generator.  Cash costs are based either on engineering estimates  (e.g.,  for
disposal  or processing)  or on  market rates, and  are  used as  a  proxy  for
the cost of real resources  (capital,  labor, etc.) used in the disposal of the
waste.   Throughout the  El A,  and  in this chapter, only  incremental  costs
are  considered  as  impacts,  i.e.,  only  those additional  costs  which are
attributable  to  this standards  package.   These  estimates  of social  (real
resource)  cost  may  diverge  from disposal costs  paid  by  generators  for a
variety  of reasons.

                                    10-4

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     One  reason  for  this  difference  between  social  cost  and  prices  paid
involves the distortion  of societal costs by the introduction  of taxes into the
analysis.    In   the  case  of  inter-Compact  waste   shipments,  where  a
substantial  surcharge will be imposed  under the LLWPA  Amendments, actual
disposal costs  paid by the waste  generator  will exceed those  estimated in
this  El A.   As  discussed in Chapter 8,  the  segregation  of  waste into  lower
activity  substreams   could  result  in  additional  BRC  savings  .to   some
generators.   As  disposal  costs  rise,  the  role  of  volume  reduction  may
become  more  significant.   Volume  reduction  is  important  in  estimating  the
distributional impact since wealth  would be  transferred from  disposal  site
operators and  waste  transporters  (which  would  lose volume)   to  the  LLW
processing  business.   Finally,  determining  who  will  bear  the  costs  or
savings (i.e.,  the actual price paid by  a given  firm)  depends on how much
can  be passed  through  from  seller  to  buyer.   This pass-through of the
BRC savings or the additional  costs associated with  the  other components of
the standards package  is a function of the demand and supply elasticities in
a given industry.

     In  summary,  the  out-of-pocket  expenses  (or  savings)  for  those
industries  that  are affected by EPA's proposed  standards  package  may not
necessarily  be equivalent  to  the  societal costs  presented above.  Assuming
this  divergence  is  small,  however, the following  discussion  identifies  the
industries that will be  affected by the proposed  standards package.

Industries  That Benefit Financially

     The  most  significant impact  will  be  on  those industries currently
generating  wastes that are  expected to  meet the  BRC criterion.   Under
either  National Implicit or National  Explicit implementation,  fuel  cycle wastes
will  meet  the U millirem  BRC criterion,  resulting  in a  $106 million  savings
for the fuel fabrication industry  and  a  $7 million  savings  for the two  firms
engaged in  uranium hexafluoride  conversion.  Industrial  facilities outside the
nuclear  fuel  cycle  which generate  source  and   special  nuclear  material
(N-SSTRASH  and  N-SSWASTE),  generally  those  facilities that   process  and
                                    10-5

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fabricate depleted uranium and manufacture chemicals or products containing
uranium, will  also realize  a  $146  million  savings.   Electric utilities operating
pressurized water reactors  using  ion-exchange  resins in  their secondary
condensate  polishing  systems   (P-CONDRSN)   or  light   water  reactors
generating low activity waste  oils (L-WASTOIL) will  collectively realize a $35
million  savings.   Institutional   facilities  (e.g.,  hospitals)   using   liquid
scintillation  vials  (I-LQSCNVL)  will   save  $25  million.    Generators  of
consumer  wastes  will  not  be  affected by the proposed standards  package.
Under National  Implicit  implementation,  two  additional institutional  wastes
will  also meet the 4  millirem BRC criterion  (I-BIOWAST  and  I-ABSLIQD),
resulting  in a $27 million  savings  for  the institutional facilities generating
this  waste, e.g., universities and medical schools engaged in research.  In
addition,  two  low activity industrial  wastes  (N-LOTRASH and  N-LOWASTE)
will  meet   the  BRC  criterion,  resulting  in  a  $56  million  savings  to  firms
generating this waste, e.g.,  pharmaceutical  companies, independent  testing
laboratories, and  analytical  laboratories.

     Another  industry for which  business volume should increase due to the
                                                                     *
proposed   BRC  criterion   is  unregulated   waste  disposal,  facilities.    In
comparison  to  the overall  volume of  solid waste handled  by  these  facilities,
this  business  volume increase is  not  expected  to be  significant.

     As  mentioned earlier,  although not considered to  be  a  distributional
issue, EPA believes that,  except for  the potential impact  of  the  groundwater
limits under Option  II, the  net impact on DOE waste disposal is expected to
be positive since the BRC  savings  are expected  to  more  than offset the
additional  costs  associated  with   complying  with  the  25  millirem   LLW
standard.

     Other  industries that  potentially  benefit  from  the  implerrfentation of
EPA's standards package  are   owners  of  waste   processing  and  storage
     Unregulated  with  respect  to radiation  hazards.
                             •
                                    10-6

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facilities.   If,  due  to surcharges,  disposal  costs  are  higher  than  the
estimates used in this study,  the business volume  of  facilities  engaged  in
either  volume reduction or  interim storage should increase.  This increase
would  be offset  by  the potential  loss  of business  at  existing processing
facilities  due to implementation of  the  BRC  criterion   which',  by allowing
unregulated  disposal,  would  reduce  the  volume of  waste  that  must  be
processed.

Industries That Lose Financially

     Industries   that   bear   additional   costs  or  lose   revenues  due   to
implementation  of the  standards package include, as a  result of the NARM
limit, municipalities engaged in the use  of ion-exchange media for purposes
of  removing  radium   or  uranium  from  groundwater supplies,  as well  as
current  holders  of radium  sources.    The  incremental  cost  of  disposing
R-RAIXRSN  in a regulated  fashion  is $20  million.   This negative  impact  is
not expected  to  significantly affect  small  businesses in  the  local community
since the additional  cost  is likely  to be spread widely through  a tax or
water fee increase.  The incremental  cost  of the  NARM  limit with respect  to
R-RASOURC  is  at  most  $3.3  million.    This  cost  represents  an average
incremental  cost  per  source on the  order of $530,  although  some sources
could cost as much  as $2,000 to  dispose,  as  noted in  Chapter 6.  Since no
single  generator  is assumed to  hold  a large number  of sources,  this cost  is
not  believed  to  have  an  important  impact.   As  noted  earlier, the  NARM
limit impacts could be  much  smaller (perhaps zero), depending on the choice
of base (i.e., what current  practice really  is).

     Current  transporters of LLW could lose  $160 million  in  total  revenues
(1985 present value over 20 years)  as  a result of the BRC  criterion,  since
roughly  25  percent of  LLW volume could meet  the 4 millirem criterion.  This
revenue  loss (which is equal to $18.8 million  per year)  represents  less than
3.6 percent on average of the  total revenues  of companies involved in  LLW
transport.  LLW  transport is dominated  by a  few relatively large companies,
some  of which  are  involved  in  other   phases of LLW  disposal and other
                                   10-7

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business  activity.   1985  revenues  for  four such companies  —  Tri-State
Transit Co.,  Chemical  Waste Management  (Chem-Nuclear),  Pacific Nuclear
Systems,  and American  Ecology (U.S.  Ecology)  — were  $521  million.   The
total revenue  loss to the industry of $18.8  million  represents 3.6  percent  of
the revenues  for these four companies ($521 million).

     As noted earlier,  impacts  due to the LLW standard are not assumed  to
present distributional issues since  only  DOE would  bear additional  costs.
However,  the groundwater  limits  could  require  significant costs if a more
costly  disposal  technology  is  required   (more  likely  under Option  II,  as
explained  in Chapter  9).   While  a quantitative analysis was not performed,
it  is likely  that  many  generators would  be able  to  pass  these costs on  to
customers  (this  is  especially true for electric utilities).  In addition, small
business  are  very  unlikely  to be large generators  of  radioactive wastes;
hence,  impacts on  small  businesses  are  unlikely to be large.  For  utilities,
some institutional generators, and some  industrial generators,  BRC savings
could partially affect cost increases.

Summary

     In summary, businesses that may benefit (by reducing cost or raising
revenue)  from   implementing  the  EPA   standards  package  include  waste
generators  and  unregulated  disposal site operators,  largely as  a result  of
the  BRC  criterion.   Businesses  that may  bear additional  costs or  lose
revenue are  limited to current  transporters of  LLW, municipalities using
ion-exchange  resins as  a  media to remove  radium  from  the community water
supply, and current holders of NARM sources.  However, these impacts are
unlikely to  be material.   Finally, significant costs could arise if Option  II
were  chosen  as  the  groundwater standard.  These costs  are  unlikely  to
pose distributional  issues  and would be offset by BRC savings.
                                    10-8

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WASTE  VOLUME PROJECTIONS                                 Appendix A

     This  appendix documents  the  assumptions  used  to estimate  the  as
generated volumes for  each waste  considered in this analysis, for the period
between   1985  and   2004,  inclusive.    Volume   projections  for   each
hydrogeologic region and for the  U.S. in total were  presented  in Chapters
5 and 6  for 37 different wastes.  For the purpose of describing the volume
projection assumptions, these wastes  have been grouped as follows:

     A.   Twenty-five  low-level  wastes as defined  by EPA,  including power
                                                      •
          reactor, fuel cycle, institutional, and industrial  wastes;

     B.   Two LLW substreams (L-WASTOIL and P-CONDRSN);

     C.   Two consumer  wastes  (C-TIMEPCS and C-SMOKDET);

     D.   Six  NARM wastes;

     E.   BIOMED waste (already  deregulated by the NRC);  and

     F.   DOE low-level  waste.

     In  general,   the   volume  estimation  procedure  captures  as  much
location-specific and waste-specific  information as  was available regarding
the  current rates  of   waste  generation and  the  source  of  the  waste.
Volumes   were   assigned  to  three  hydrogeologic  regions  which  reflect
                                                           -  «
different  soil  permeabilities  (permeable,  impermeable)  and  meteorological
conditions   (humid,  arid).   The overall volume  estimation   methodology
includes  five steps:

                                    A-1

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     1.    Estimation of the current  (1985) rate of waste generation.

     2.    Projection of the total  U.S. waste  volume  over the  1985  to  200U
          period,   incorporating  explicit  assumptions  about   the  average
          growth in waste generation  rates  (using current  generation  rate
          as a  base).

     3.    Allocation of U.S.  waste volumes  to individual States  based on
          historical  State-by-State  waste generation.  U.S.  population, or
          waste-specific information, depending on the waste.

     U.    Aggregation of State-by-state volumes  to Compact volumes, based
          on  the composition  of Compacts  ratified  in  LLWPA85, or  on  EPA
          assumptions  (for States not yet  belonging to ratified Compacts).

     5.    Assignment  of each  Compact to a  hydrogeologic  region  based on
          EPA  assumptions  regarding the  hydrogeology  typical  of States
          within  each  Compact.   This fifth  step is  necessary  in order  to
          project total  health effects,  since  health effects differ among the
          three hydrogeologic regions included in  EPA's  risk assessment.

In the following paragraphs, each of  these steps is described  in more detail
for each of the six waste groups  listed above.
TWENTY-FIVE  LOW-LEVEL WASTES

     In genera.l,  most of the assumptions used to develop volume estimates
for these  wastes  were  derived  from  DM86,  DM84,  or  DM81,  and  from
compilations of actual LLW generation for the  years  1978, 1982, and  1983
[CRCPD83,  CRCPD84,  NUS80].   Detailed assumptions  for each t>f the five
steps in  the general methodology are  listed below.
                                     A-2

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     Step  1:   Estimate  current  generation  rates:   DM86  lists  generation
rates for each of 1U8 wastes  as  defined  by the  NRC.   Sixty-eight of the
NRC wastes were aggregated to form  the  25  LLW  streams analyzed by  EPA.
The  remaining  80  NRC wastes, which  include  DsD  waste and other special
waste categories,  have  been excluded 'from  the  analysis,  as  explained  in
Chapter  3.  The correspondence between the  25  EPA and  the  68  NRC
low-level  wastes  was  listed  in Table  3-1  (for  the.  first  25  EPA wastes
listed).    For  three  EPA  wastes,  a   large  number of  NRC  wastes  were
aggregated.  The correspondence  between these three EPA  wastes and  their
NRC waste  counterparts is  shown in  Table A-1 .  For  each of the 68 NRC
wastes,  waste volumes were  first  projected by  State  and then aggregated  to
the EPA  waste  categories.   In two cases,  the generation rate  listed in  DM86
was  not used in the analysis:
     •    For the  11  NRC source  wastes,  tfie waste  volume as generated
          was assumed  to  be  equal  to  the  volume of a drum  (one 55 gallon
          drum per source),  and a  total generation  of 110 sources per year
          was assumed, based  on  both DM86 data  and EPA assumptions.
          Since  the volume  of  a drum is 0.208  cubic  meters,  the annual
          generation rate is 29.12 cubic meters per  year, in aggregate over
          the 11  wastes.

     •    For P-FSLUDGE,  DM86  implied  a  near  zero  volume  generation
          rate  (no rate was  actually listed  in  DM86).  Since a quantitative
          estimate was  desired,  the earlier estimate from DM81  was used  in
          the analysis (0.002  cubic meters per  MW(e) year).

     The  generation  rate  for all power reactor  wastes and  for  fuel  cycle
wastes as listed  in  DM86  depends on  the capacity  of nuclear power plants
operating  in  a given year, and  on the type of reactor.   DM86 distinguishes
five  reactor  types  for the  purpose  of  waste  generation  rate" estimates.
Assumptions  regarding  the location, capacity, type, and on-  and  off-line
dates for each  nuclear power   reactor were  derived  from  Appendix  E  of
DM84, which  uses a similar methodology to derive  volume estimates.

                                    A-3

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     The  NRC  generation  rates for each of the 68  NRC  wastes are listed in
Table A-2.   The assumptions  regarding  nuclear power plant on-line  dates
and reactor type are listed in Table A-3.

     Step  2:    Project  20-year  volumes:   Estimation  of  waste  generation
growth  is included  implicitly for fuel  cycle and power reactor wastes since
the generation  rate  depends  on the number and  mix of reactors operating in
a  given  year.   Thus,  the aggregate growth  rate  for  these   wastes is
determined  by  the  reactor on-line  dates  listed in  Table A-3.  As noted in
Chapter 5,  Table A-3 includes fairly  optimistic  assumptions  regarding  the
operation  of plants  now under  construction,  since  the future  operation of a
number of nuclear  power  plants under construction has been  questioned by
utility  rate commissions,  and  a few  reactors have been  cancelled.   With
respect to other LLW  (institutional and industrial wastes), a zero generation
rate was  assumed  for most  wastes  since  the generation is tied  to specific
activities  at specific manufacturing  sites, or relates to institutional  wastes
for which volume reduction  (including less generation)  is being practiced or
which  have been partially deregulated by  the BIOMED  rule.   The analysis
includes  11   exceptions   to  this   "no   growth"   assumption,    including
institutional  trash  and  absorbed  liquids,  industrial low and high  activity
wastes  and  trash,  and  special source  waste  and trash.  For these wastes,
the historical rate  of increase  for  industrial  wastes  between  1982  and  1983
                                                            *
(about  three percent) was assumed to continue through  2001.

     Thus,  in  order to calculate  total  waste volume over 20 years  for wastes
with  no  growth,   the  generation  rate  listed  in  Table  A-2  was  simply
multiplied by 20.  For wastes  growing at three percent per year, a  factor
of about  27.7  was  used  (which reflects the  compound  growth in  generation
                                   **
rate  of three   percent  per  year).     To simplify actual   calculations,  all
     At the  time of this analysis,  data  on actual  waste generation in years
     after 1983  were not available.

     Algebraically, 27.7 -- (1.03)"
                           n=1
                                      A-U

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annual generation  rates  (except  power  reactor and fuel  cycle 'wastes)  were
multiplied  by  20;  wastes  growing  at  three  percent  per year  were  then
multiplied by  1.383 (i.e., 27.7 divided by 20).  This  factor (1.383) appears
in the row  labeled "growth  factor"  in  Table A-2;  the  factor equals one  for
                            •
wastes for which a zero growth rate is assumed.

     Step  3:   Allocate  U.S.  volume projections  to States:  State-by-State
allocation of waste generation  was determined  by the  location of the nuclear
power  plants  for  all power  reactor  wastes  (the  State  is  indicated in  Table
A-3).  Generation  of fuel cycle wastes  was  allocated  to the States in  which
the  fuel  cycle processing  plants  reside,  in proportion to fuel cycle  plant
capacity  (listed in  EEI84b).

     Generation of institutional  wastes  was  allocated to  States  based  on
historical waste generation,  as listed  in  NUS80,  CRCPD83,  and  CRCPD81.
Since waste generation within a State is often  small,  the  allocation for each
State was  determined by a weighted sum of  waste generated  in  that  State
over  the three years for  which data were  available  at the time  of  the
analysis  (1978,  1982, and 1983), divided by the  total U.S.  generation  (also
a  three-year  weighted  sum).   Since  the  BIOMED  rule  deregulated  a
significant portion  of institutional wastes (which thereby  changed  the mix of
institutional wastes disposed in regulated facilities), more recent  years were
weighted more heavily.   The  following  weighting  was  assumed:   100 percent
x  1983 +  50  percent  x  1982 +  25 percent  x  1978.  The State-by-state
"generation rates"  (actually, waste  received at commercial disposal facilities)
are shown  in  Table A-U for  institutional waste.

     For  most- of  the industrial  wastes, an  estimate (from  DM86)  of  the
fraction  of  waste  generated in each NRC region  (as  defined  in  DM86)  was
also  included.  In order to allocate  U.S.  generation  to  States,  first,  the
DM86 estimates  by NRC  region were used  to  allocate generation* to one of
the five  NRC  regions (the NRC regional  breakdowns are  also listed in Table
A-2;  NRC region  is  also noted  next  to  the name of each  State in  Table
A-5).  Within NRC  regions,  an  unweighted  sum  of  the  total actual   1978,
                                      A-5

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1982,  and  1983  State-by-State  industrial  waste  generation  was  used  to
allocate generation to  each  State.   These  State-by-state  industrial waste
volumes are shown in Table A-5.   In  several cases, wastes were identified
in DM86  (or its  references) as originating  from a specific plant.  In such
cases, the location of  the plant was  used to determine the State  in which
the waste was generated.

     Table A-6  summarizes the estimated volumes  for  each of the 68  NRC
wastes in each  State,  using  the procedures described above.   Table A-7
summarizes  the   State-by-state   volumes   for  24   EPA   wastes  (where
P-COTRASH and  B-COTRASH have  been aggregated to  form L-COTRASH).

     Step  U:   Aggregate  State-by-state  volumes  into  Compact  volumes:
Table A-8 lists the States assumed to  be in  each of 12  Compacts,  as used in
the  analysis.   The  Compact  definitions  correspond  to  those  assumed  in
LLWPA85  for  ratified  Compacts, and  otherwise  represent  EPA assumptions
regarding the  likely  composition  of Compacts  as ultimately ratified.  It is
emphasized  that  Compact composition  is  still  in  a  state of flux;  these
Compact  definitions are  used  for  illustration  purposes  only.   Chapter  8
considers a sensitivity  analysis wherein these  definitions are  changed  in
order to  determine the  degree to which estimates of cost and health risk are
affected  by these assumptions (the impact is shown to be  small).  Compact
volumes  were  calculated  simply by summing the State volumes  within  each
Compact.

     Step 5:  Assign  each Compact to a hydrogeologic region:   Table  A-8
also  lists the hydrogeologic  region assigned to each  Compact in  order to
derive estimates  of  total waste   volume  by  region.   The  final volume
estimates  by region for each waste  were presented  in Chapter  5,  Table 5-1.
Regional   volumes are  calculated  simply  by summing  the  volumes  for  the
Compacts within  the region for each waste.                   -  -
                                     A-6

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TWO LLW SUBSTREAMS

     Waste volume  generation  rates  for  two  LLW substreams  (L-WASTOIL
and  P-CONDRSN) were not  provided  in  DM86.  From  OTHA83  and  EEI84c,
estimates  of  the  average  waste  oil  generation  by  BWRs  and   PWRs,
respectively, were calculated to be about 4,600 gallons per year (BWR) and
1,100 gallons per year  (PWR).-  These figures were divided by the average
plant size for  BWRs  and  PWRs  (837 MW  and 937  MW,  respectively)  to
determine an average generation rate  of 2.08 E-2 cubic meters  per MW-year
for BWRs, and  U.44 E-3 cubic meters per  MW-year  for  PWRs.   Similarly,
Appendix E of  DM84 lists  the  average generation  rate  of P-CONDRSN  as
0.335 cubic  feet per  MW-year (resins plus  pre-coat  filter  sludge),  and
assumes  that  51 percent  of the  PWRs  will  be equipped  with  secondary
condensate  polishing   systems.    These  assumptions  imply  an  average
generation of about 4.84 E-3 cubic meters  per  MW-year per PWR.

     Once  the  generation  rates  are  determined,  the  remainder  of the
estimation procedure is  identical  to  that  used for  the 25  LLW,  using the
nuclear plant data in Table  A-3.
TWO CONSUMER WASTES

     EPA's analysis  of a BRC standard  considers two  consumer wastes  in
order to provide a  reference point for  the  risk analysis.   The two wastes
are  americium  smoke detectors   (C-SMOKDET)  and  tritiated  time  pieces
.(C-TIMEPCS).   For  both  wastes, base  generation  rates  were determined
from  assumptions  listed  in  EEI84c.   The derivation  of U.S.  total annual
generation  rates for each waste is as follows:

A.   C-SMOKDET:   EEI84c   notes   that  100   million  detectors  will  be   in
     operation  by  the year  2000.  Assuming  a  10-year life per  detector,
                                    A-7

-------
     this  figure (which  is assumed  to  be a steady state  number and which
     implies about  1.2 detectors  per  single  family dwelling)  results  in  a
     disposal rate of about 10 million detectors per year.  At a unit volume
     of 460 cubic centimeters per detector,  the annual  disposal  volume  is
     4,600 cubic meters per year.

B.   C-TIMEPCS:  EElSUc  assumes that 6.6 million watches  per" year (at 30
     cubic centimeters  per watch) and 0.5 million  clocks per year  (at 630
     cubic centimeters per clock)  will  be disposed.   These assumptions are
     equal in aggregate to an annual disposal  rate of 520 cubic meters per
     year.

     The   annual  rate  of  waste  generation  of  both   C-SMOKDET  and
C-TIMEPCS is  assumed to remain constant,  so 20-year volumes are 92,000
and  10,400 cubic  meters,  respectively  (i.e.,  current  rates  are simply
multiplied by 20).  The U.S.  waste  volume was distributed among  the States
based  on  1983  State  populations.   Aggregation to  Compacts  and  regions
follows the procedure used for the 25 commercial  LLW (i.e., by  summing the
State volumes within each  Compact).     4
SIX NARM WASTES

     The  total  volumes  for  each  of the  six  NARM wastes  analyzed  in
Chapter 6  were presented in  Table 6-2,  together  with an assumed  density.
U.S.  total  volumes were derived  by multiplying annual  generation  rates
(converted to cubic meters per year), as listed  in various  tables  in  PEI85a,
by 20.  This  procedure implicitly assumes that the rate of  NARM  generation
will not  increase.   This assumption  is  plausible  since the most  important
                                             •
NARM  wastes, i.e.,  those which EPA is proposing to regulate,  are either
not yet generated, as for R-RAIXRSN, or are no  longer manufactured  in a
significant quantity, as  for R-RASOURC.
                                     A-8

-------
      In  order  to  estimate health effects-by region,  regional NARM volumes
 were also estimated.   The allocation of U.S.  volume  to  States,  Compacts,
 and hydrogeologic regions was  performed by assuming  that NARM  generation
 is   proportional   to  1983  State  population,   except   for   R-RASOURC.
 R-RAS"OURC  volumes  were  first  allocated  to  NRC  region  based  on  data
 provided in DM86, which  in  turn were drawn  from  the actual  volume of
'sources   collected  at  EPA's  Eastern  Environmental   Radiation  Facility  in
 Montgomery,  Alabama.   1983  State  population  was  then used  to allocate
 R-RASOURC volumes  within an  NRC  region to  each  State.   Table A-9 lists
 the  estimated NARM generation by Compact and hydrogeologic region.
 BIOMED WASTE

     Since  disposal  of BIOMED  waste  is  no  longer regulated,  statistics
 regarding  the  volume of waste generated or disposed are not  available.   An
 estimate of  the  total  volume of this  waste  over  the  next  20 years  was
 derived  from the  Value/Impact Statement that accompanied the NRC BIOMED
 rule  (10  CFR  Part  20.306).   The  Value/Impact  Statement  estimates  the
 annual  waste volume  of liquid scintillation  vials deregulated by  the  rule at
 11,031  cubic meters,  and the  volume of  biomedical waste at  2,294 cubic
 meters.   Thus, in  aggregate, 13,328  cubic meters of waste  per year  were
 deregulated.   Empirical evidence seems to  support these volume estimates.
 The  volume of  institutional  waste  shipped  to  commercial  disposal  sites
 declined from  21,248  cubic  meters  in  1978  to  10,658 cubic meters  in 1982,
 1,916 cubic meters in 1983,  and  2,870 cubic  meters in  1984.   While other
 factors   may have  contributed to  this  decline,  such as  increased  volume
 reduction  or reduced levels  of  biomedical  research, the  figures  seem to
 indicate that the  BIOMED rule resulted in  a decrease of between  5,000 to
 15,000  cubic meters per  year in  the  amount of  institutional  waste sent to
 regulated disposal  sites.                                      -  •
                                     A-9

-------
     The  20-year  waste volume for  BIOMED  was  estimated  assuming  no
growth  in the  estimated  annual deregulated  generation rate;  thus,  total
volume  is  266,560  cubic meters  (20 times 13,328).  This  volume  was not
allocated  to  State  or Compact.   However, BIOMED waste  was allocated  to
hydrogeologic region based  on  the  regional volumes of the  scintillation vial
and  biomedical  waste components of  BIOMED,  respectively.   The  regional
volumes are listed in Table 5-1.
DOE WASTE VOLUME

     Relative  to the  methodology  of  estimating  waste  generation  for  the
other  wastes,  the  methodology  used  to  estimate  DOE  waste volume was
considerably  abbreviated.   In  essence,  total U.S. DOE waste generation was
taken directly  from DOE86, Table  1-13, where the generation  between  1985
and  2004, inclusive,   was  summed.   The generation  of saltcrete  at  the
Savannah River  Plant  was  not  included  in the estimate.  In general,  the
DOE  estimates  of  future  waste generation  assume  no  growth  in  annual
generation rate,  although  historical generation rates  have increased.

     DOE  waste   generation   by  State  and   hydrogeologic   region   was
determined based on the location of DOE  facilities.   Tables A-10,  A-11, and
A-12  illustrate the calculations and procedure.  Table A-10  shows the  DOE
projection  of aggregate  future  generation (the left two columns of  Table
A-10,  which   are  based   on   Table 4.13 of  DOE86)  and  the  historical
generation of the  six  major DOE facilities  (from Table 4.3 of DOE86)  over
the  period  1981-1985.   Historical   generation  is  used   to  allocate future
generation to specific facilities.   Since  facility-specific five-year data on the
facilities in the "All Other" category are not listed, total cumulative volume
for these facilities  (from  Table 4.U in  DOE86 and shown in Table A-11) Is
used  to  allocate  "All Other" generation to specific facilities.   Finally,  Table
A-12   summarizes  the  State,  hydrogeologic  region,  and  waste  volume
assigned to each DOE  "generator"  facility,  using allocation percentages  from

                                     A-10

-------
Tables  A-10  (for  major  DOE  facilities)  an'd  A-11  (for  "All Other"  DOE
facilities).  Note that since DOE LLW is  assumed to be disposed  in facilities
separate from  commercial  LLW  disposal sites, designation  of a Compact  for
each facility  is unnecessary.
                                      A-11

-------
                            Table A-1
               CORRESPONDENCE BETWEEN  SELECTED

                 EPA AND  NRC WASTE CATEGORIES
   Waste Category

1.  Isotope Production
   Waste
EPA Mnemonic

 N-ISOPROD
  NRC Mnemonics
2. Tritium Waste
 N-TRITIUM
3. Sealed Sources
 N-SOURCES
    N-ISOPROD
    N-ISOTRSH
    N-SORMFC1
    N-SORMFC2
    N-SORMFC3
    N-SORMFCU
N-NECOTRA,
N-NESOLIQ,
N-NENCGLS,
N-NETRGAS,
N-NECARLI.
N-MWABLIQ,
N-MWWASTE,
N-TRITGAS,
N-TRILIQD,
 N-NEABLIQ,
N-NEVIALS,
 N-NEWOTAL,
 N-NETRILI,
N-MWTRASH,
 N-MWSOLIQ,
 N-TRIPLAT,
 N-TRISCNT,
N-TRITRSH
N-TRITSOR, N
N-COBLSOR,  N
N-STROSOR,  N
N-PLU8SOR. N-
N-AMERSOR,  N
N-AMBESOR
   CARBSOR,
  -NICKSOR,
  -CESISOR,
   PLU9SOR.
  -PUBESOR,
SOURCE:  Putnam, Hayes &  Bartlett,  Inc.,  June 1987.  NRC mnemonics are
         listed in Table B-1 of DM86.
                                A-12

-------











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-------
                        Table A-3




             PLANT CAPACITY AND ON-LINE  DATES
PLANT
TROJAN
WNP 1
WNP 2
WNP 3
PALO VERDE 1
PALO VERDE 2
PALO VERDE 3
DIABLO CANTON 1
DIABLO CANTON 2
NUMBOLDT BAT
RANCHO SECO 1
SAN ONOFRE 1
SAN ONOFRE 2
SAN ONOFRE 3
FORT ST VRAIN
COMANCHE PEAK 1
COMANCHE PEAK 2
SOUTH TEXAS 1
SOUTH TEXAS 2
ARKANSAS NUCLEAR 1
ARKANSAS NUCLEAR 2
WOLF CREEK
RIVER BEND 1
WATER FORD 3
COOPER
FORT CALHOUN 1
OUANE ARNOLD
BIG ROCK POINT
COOK 1
COOK 2
ENRICO FERMI 2
PALISADES
MONT I CELLO
PRAIRIE ISLAND 1
PRAIRIE ISLAND 2
CALLAWAY 1
DAVIS BESSE 1
PERRY 1
PERRY 2
GENOA 2
KEWAUNEE
POINT BEACH 1
POINT BEACH 2
BRAIDWOOD 1
•RAIDWOOD 2
BYRON 1
BYRON 2
CARROLL COUNTY 1
CARROLL COUNTY 2
CLINTON 1
DRESDEN 1
DRESDEN 2
DRESDEN 2
DRESDEN 3
LASALLE 1
LASALLE 2
QUAD CITIES 1
QUAD CITIES 2
ZION 1
ZION 2
BELLE FONTE 1
BELLEFONTE 2
BROWN'S FERRY 1
BROWN'S FERRY 2
BROWN'S FERRY 3
FARLEY 1
FARLEY 2
UTILITY STATE
PORTLND
WPPSS
WPPSS
WPPSS
ARIZONA
ARIZONA
ARIZONA
PACFG4E
PACFGiE
PACFttE
SACRAMN
SOCALED
SOCALED
SOCALED
PSCOLO
TEXAS
TEXAS
HOUSTON
HOUSTON
ARKP&j.
ARKP&L
KANSAS
CULFSTS
LOUIPtL
NEBRASK
OMAHA
IOWA
CONSPOW
INDMICH
INDMICH
DETROIT
CONSPOW
NSP
NSP
NSP
UNION
TOLEDED
CLEVELD
CLEVELD
DAIRYLD
WI SCONS
Wl SCONS
WI SCONS
CONMED
COMMED
COMMED
COMMED
COMMED
COMMED
ILLPOWR
COMMED
COMMED
COMMED
COMMED
COMMED
COMMED
COMMED
COMMED
COMMED
COMMED
TVA
TVA
TVA
TVA
TVA
ALABAMA
ALABAMA
OR
WA
WA
WA
AZ
AZ
AZ
CA
CA
CA
CA
CA
CA
CA
CO
TX
TX
TX
TX
AR
AR
KS
LA
LA
NE
NE
!A
MI
MI
MI
Ml '
Ml
MN
MH
MN
MO
OH
OH
OH
Wl
WI
WI
Wl
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
AL
AL
AL
AL
AL
AL
AL
CAPACITY
REGION (MW) STARTUP SHUTDOWN
5
5
5
5
5
5
5
5
5
5
5
5
5
5
i>
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
1130
1216
1100
1242
1270
1270
1270
1084
1106
50
918
436
1100
1100
330
1111
1111
1250
1250
850
912
1150
934
1113
778
457
538
72
1054
1100
1093
805
545
530
530
1120
906
1205
1205
50
535
497
497
1120
1120
1120
1120
1120
1120
933
50
50
744
794
1078
1078
789
789
1040
1040
1213
1213
1065
1065
1065
829
829
1975
1989
1984
1989
1985
1986
1987
1985
1985
1960
1974
1967
1983
1984
1974
1985
1986
1987
1989
1974
1980
1985
1985
1985
1974
1973
1974
1962
1975
1978
1985
1971
1970
1973
1974
1985
1977
1985
1990
1967
1974
1970
1972
1986
1987
1985
1986
2001
2002
1986
1970
1970
1970
1971
1982
1984
1972
1972
1973
1973
1989
1991
1973
1974
1976
1977
1981
2015
2029
2024
2029
2025
2026
2027
2025
2025
2000
2014
2007
2023
2024
2014
2025
2026
2027
2029
2014
2020
2025
2025
2025
2014
2013
2014
2002
2015
2018
2025
2011
2010
2013
2014
2025
2017
2025
2030
2007
2014
2010
2012
2026
2027
2025
2026
2041
2042
2026
2011
2011
2010
2011
2022
2024
2012
2012
2013
2013
2029
2034
2013
2014
2016
2017
2021
TYPE
PWR
PWR
BWR
PWR
PWR
PWR
PWR
PWR
PWR
BWR
PWR
PWR
PWR
PWR
HTGR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
BWR
PWR
BWR
PWR
BWR
BWR
PWR
PWR
BWR
PWR
BWR
PWR
PWR
PWR
PWR
BWR
BWR
BWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
BWR
BWR
BWR
BWR
BWR
BWR
BWR
BWR
BWR
PWR
PWR
PWR
PWR
BWR
BWR
BWR
PWR
PWR

1
1
4
2
1
1
1
2
2
5
1
2
2
2
0
1
1
2
2
1
1
1
3
1
4
1
4
3
1
1
4
1
4
1
1
1
1
3
4
3
1
1
1
1
1
1
1
1
1
4
3
3
3
3
3
3
4
4
1
1
1
1
4
4
4
1
1
Table continued on following page,
                                               September 1987
                               A-17

-------
           PLANT CAPACITY AND ON-LINE DATES
PLANT
CRYSTAL RIVER 3
ST. LUC IE 1
ST. LUC IE 2
TURKEY POINT 3
TURKEY POINT 4
NATCH 1
HATCH 2
VOGTLE 1
VOGTLE 2
CRAND GULF 1
GRAND GULF 2
BRUNSWICK 1
BRUNSWICK 2
HARRIS 1
MCGUIRE 1
MCGUIRE 2
CATAWBA 1
CATAWBA 2
OCONEE 1
OCONEE 2
OCONEE 3
ROBINSON 2
SUMMER
SEOUOYAH 1
SEOUOYAH 2
WATTS BAR 1
WATTS BAR 2
NORTH ANNA 1
NORTH ANNA 2
SURRY 1
SURRY 2
BEAVER VALLEY 1
BEAVER VALLEY 2
LIMERICK 1
LIMERICK 2
PEACH BOTTOM 2
PEACH BOTTOM 3
SUSOUEHANNA 1
SUSQUEHANNA 2
THREE MILE ISLAND 1
THREE MILE ISLAND 1
THREE MILE ISLAND 1
THREE MILE ISLAND 2
THREE MILE ISLAND 2
HADOAM NECK
MILLSTONE 1
MILLSTONE 2
MILLSTONE 3
PILGRIM 1
YANKEE ROWE
CALVERT CLIFFS 1
CALVERT CLIFFS 2
HOPE CREEK 1
OYSTER CREEK
SALEM 1
SALEM 2
FITZPATJMCK
GINNA 1
INDIAN POINT 1
INDIAN POINT 2
INDIAN POINT 3
NINE MILE POINT 1
NINE MILE POINT 2
SNOREHAM
UTILITY STATE REGION
FLORP&L
FLORP&L
FLORP&L
FLORP&L
FLORP&L
GEORGIA
GEORGIA
GEORGIA
GEORGIA
MISSP&L
MISSP&L
CAROLNA
CAROL MA
CAROLNA
DUKEPOW
DUKEPOW
DUKEPOW
DUKEPOW
DUKEPOW
DUKEPOW
DUKEPOW
CAROLNA
SOCAROL
TVA
TVA
TVA
TVA
VEPCO
VEPCO
VEPCO
VEPCO
DUOUESN
DUOUESN
PECO
PECO
PECO
PECO
PENNP&L
PENNP&L
METED
METED
METED
METED
METED
CTYANK
NORTHEA
NORTHEA
NORTNEA
BOSTON
YANKATM
BALTG1E
BALTG&E
PSE&G
JCP&L
PSE&G
PSE&G
NYPOW
ROCHEST
CONSED
CONSED
NYPOW
NIAGMHK
N1AGMHK
LILCO
FL 2
FL 2
FL 2
FL 2
FL 2
GA 2
GA 2
CAPACITY
(MW) STARTUP SHUTDOWN
825
802
810
693
693
786
784
GA 2 1110
GA 2 1100
MS 2 1250
MS 2 1250
NC 2 821
NC 2 821
NC 2 900
NC 2 1180
NC 2 1180
SC 2 1U5
SC 2 1U5
SC 2 887
SC 2 887
SC 2 887
SC 2 700
SC 2 900
TN 2 1U8
TN 2 1U8
TN 2 1177
TN 2 1177
VA 2 907
VA 2 907
VA 2 822
VA 2 822
PA 1
PA 1
PA 1
PA 1
PA 1
PA 1
PA 1
PA 1
PA 1
PA 1
. PA 1
PA 1
PA 1
CT 1
CT 1
CT
CT
MA
MA
MD
MD
NJ
NJ
NJ
NJ
NY
NY
NY
NY
NY
NY
NY
NY
852
833
1065
1065
1065
1065
1050
1050
50
819
819
100
906
575
660
870
1156
655
175
845
845
1067
650
1090
1115
821
470
50
873
965
1 620
1 1100
1 819
1977
1976
1983
1972
1973
1974
1978
1987
1988
1985
1989
1976
1975
1986
1981
1984
1986
1987
1973
1973
1974
1970
1984
1981
1982
1985
1988
1978
1980
1972
1973
1976
1986
1985
1988
1973
1974
1983
1985
1979
1974
1986
1979
1990
1967
1970
1975
1986
1974
1960
1974
1974
1986
1969
1976
1981
1974
1969
1973
1973
1976
1969
1986
1985
2017
2016
2023
2012
2013
2014
2018
2027
2028
2025
2029
2016
2015
2026
2021
2024
2026
2027
2013
2013
2014
2010
2024
2021
2022
2025
2028
2018
2020
2012
2013
2016
2026
2025
2028
2013
2014
2023
2025
1986
1979
2014
1990
2019
2007
2010
2015
2026
2014
2000
2014
2014
2026
2009
2016
2021
2014
2009
2013
2013
2016
2009
2026
2025
TYPE
PWR
PWR
PWR
PWR
PWR
BWR
BWR
PWR
PWR
BWR
BWR
BWR
BWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
BWR
BWR
BWR
BWR
BWR
BWR
PWR
PWR
PWR
PWR
PUR
PUR
BUR
PWR
PWR
BWR
PWR
PWR
PWR
BWR
BWR
PWR
PUR
BWR
PWR
PWR
PWR
PWR
BUR
BWR
BWR

2
2
2
2
2
4
4
1
1
3
4
5
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
4
5
4
4
4
4
1
1
1
1
1
1
5
2
2
5
1
2
2
5
5
2
2
3
1
2
2
2
3
4
5
Table continued on following page,
                               A-18
September 1987

-------
                                       Table  A-3  (Continued)

                          PLANT  CAPACITY AND ON-LINE DATES-
           PLANT
                        CAPACITY
UTILITY  STATE     REGION       STARTUP  SHUTDOWN TYPE
MAINE YANKEE
SEABROOK 1
SEABROOK 2
VERMONT YANKEE
HEYANKEE
PSNH
PSNH
VTYANK
ME
NH
NH
VT
1
1
1
1
825
1200
1200
5U
1972
1986
1992
1972
2012
2026
2032
2012
PUR
PWR
PUR
BUR
2
2
2
4
            KEY:   PUR « PRESSURIZED WATER REACTOR
                  BUR * BOILING WATER REACTOR
                  KTGR 'HIGH TEMPERATURE GRAPHITE REACTOR
SOURCE:   Based  on data in  DM84.
                                                                 September 1987
                                             A-19

-------
                        Table A-4
     HISTORICAL INSTITUTIONAL LLW WASTE GENERATION
              (cubic meters, as disposed)*
STATE
                 NRC
                REGION
1983
1982
1978
ALASKA
HAWAII
IDAHO
MONTANA
OREGON
UTAH
WASHINGTON
ARIZONA
CALIFORNIA
COLORADO
NEW MEXICO
NEVADA
WYOMING
TEXAS
ARKANSAS
KANSAS
LOUISIANA
NEBRASKA
OKLAHOMA
NORTH DAKOTA
SOUTH DAKOTA
IOWA
INDIANA
MICHIGAN
MINNESOTA
MISSOURI
OHIO
WISCONSIN
ILLINOIS
KENTUCKY
ALABAMA
FLORIDA
GEORGIA
MISSISSIPPI
NORTH CAROLINA
SOUTH CAROLINA
TENNESSEE
VIRGINIA
PENNSYLVANIA
WEST  VIRGINIA
CONNECTICUT
DELAWARE
MASSACHUSETTS
MARYLAND
NEW JERSEY
NEW YORK
RHODE ISLAND
WASHINGTON, DC
MAINE
NEW HAMPSHIRE
VERMONT
5
5
4
5
4
4
5
5
5
4
4
5
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
0
6
0
2
28
34
92
0
1,028
40
39
0
0
0
7
0
8
0
8
0
0
31
18
119
153
83
137
4
61
74
49
11
5
1
280
156
109
122
395
20
264
6
208
137
221
790
50
98
0
2
20
0
4
0
1
100
109
181
1
1,383
47
47
125
0
859
8
2
15
25
78
0
0
56
27
219
367
171
108
12
1,187
51
3
200
225
0
254
9
115
297
347
11
229
11
2.137
529
433
634
14
0
4
18
5
33
107
67
90
217
134
265
201
1,624
240
142
106
37
1,355
221
319
445
293
295
141
159
290
365
671
529
618
938
411
1,056
312
375
681
499
265
571
293
594
465
1,200
278
280
38
665
391
458
1,830
115
269
91
118
103
 •  As disposed • waste as received at commercial  disposal  sites.
 SOURCE:  Based on data in NUS80, CRCPD83,  CRCPD84 and other  sources.
                                                                   SEPTEMBER  1987
                                         A-20

-------
                       Table A-S
         HISTORICAL  INDUSTRIAL  LLU WASTE GENERATION
               (cubic  meters, as disposed)*
STATE
ALASKA
HAWAII
IDAHO
MONTANA
OREGON
UTAH
WASHINGTON
ARIZONA
CALIFORNIA
COLORADO
NEW MEXICO
NEVADA
WYOMING
TEXAS
ARKANSAS
KANSAS
LOUISIANA
NEBRASKA
OKLAHOMA
NORTH DAKOTA
SOUTH DAKOTA
IOWA
INDIANA
MICHIGAN
MINNESOTA
MISSOURI
OHIO
WISCONSIN
ILLINOIS
KENTUCKY
ALABAMA
FLORIDA
GEORGIA
MISSISSIPPI
NORTH CAROLINA
SOUTH CAROLINA
TENNESSEE
VIRGINIA
PENNSYLVANIA
WEST VIRGINIA
CONNECTICUT
DELAWARE
MASSACHUSETTS
MARYLAND
NEW JERSEY
NEW YORK
RHODE ISLAND
WASHINGTON, DC
MAINE
NEW HAMPSHIRE
VERMONT -
NRC
REGION
5
5
4
5
4
4
5
5
5
4
4
5
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1983
0
0
0
0
1,127
52
732
0
1,746
0
0
0
0
1,613
0
0
8
0
56
0
0
20
2
26
534
147
557
1
1,354
0
44
10
10
0
650
2,979
3,672
638
1,883
0
172
24
3,658
476
320
1,671
2
0
18
5
202
1982
0
0
0
1
611
56
465
2
2,666
1
6
0
0
970
7
12
15
16
25
0
0
10
7
33
234
130
560
4
2.114
5
1
300
64
0
2,559
2,607
2,764
889
1,388
0
280
27
3.958
108
213
610
136
0
6
24
1
1978
23
44
54
60
149
141
795
144
1,444
169
75
40
105
808
138
150
25
104
291
41
25
104
290
414
194
361
844
289
775
225
240
544
328
156
3,179
1,493
481
584
1,428
223
382
51
518
275
746
1,215
45
22
63
55
20
•  As disposed • waste as received at commercial  disposal  sites.
SOURCE:  Based on data in NUS80, CRCPD83,  CRCPD84 and other  sources.
                                                                               September  1987
                                         A-21

-------
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-------
                               Table A-8

            STATES INCLUDED IN  EACH COMPACT AND REGION
   Compact

1.   Northwest


2.   California(l)


3.   Rocky Mountain


1.   Texas(l)


5.   Central


6.   South. Dakota


7.   Midwest


8.   Central Midwest


9.   Southeast


10.   PA/WV
       States Included

   AK,HI.ID.MT,OR;UT(2),
         WA,WY(2)

           CA(6)
     AZ(3),CO,NV,NM,
       UT(2)(3),WY(2)

           TX(6)
AR,IA(2)(3),KS,LA,MN(2)(3),
  MO(2)(3),NE,ND(3)(6),OK

           SD(6)
     IA(2),IN,MI,MN(2),
        MO(2),OH,WI

           IL,KT
      AL,FL,GA,MS,NC
         SC,TN,VA

           PA,WV
11.   Northeast(U)      CT,DE,DQ(3)(6) ,MA(3)(6) ,MD,
                         NJ,NY(3)(6),RI(3)(6)
12.   New England{4)
      ME(6).VT(6), NH
Hydrogeologic
   Region

    Arid
  Permeable

    Arid
  Permeable

    Arid
  Permeable

    Arid
  Permeable

    Humid
  Permeable

    Humid
  Permeable

    Humid
  Permeable

    Humid
  Permeable

    Humid
  Permeable

    Humid
 Impermeable

    Humid-
 Impermeable

    Humid
 Impermeable
 Notes  on  following page.
                                     A-28

-------
                             Table A-8 (Continued)

           STATES  INCLUDED  IN  EACH  COMPACT  AND  REGION
NOTES:

Table A-8 lists the status  of States and Compacts in January  1986, prior to
the  passage of  LLWPA86.   Note  that  the current  status  of States  and
Compacts may have changed since January 1986.

(1)  California  and  Texas were  assumed  to form  single  State "Compacts."
     Currently, the disposition of South  Dakota is unclear;  however,  the
     State is treated as a "Compact"  in the analysis.

(2)  For States  that  are members  of  two  Compacts,  State  volumes  are
     divided evenly  between the Compacts.

(3)  Not currently a ratified member  of this  Compact.

(i*)  The  Northeast  Compact  States have  changed  since  January  1986.
     Connecticut  and  New  Jersey are current members of  the  Northeast
     Compact.  Delaware and  Maryland have entered into an  agreement with
     Pennsylvania  and  West  Virginia   (PA/WV  Compact)   to   form  the
     Appalachian    Compact,   although    this    Compact   has   not   been
     congressionally ratified.

(5)  Not a congressionally ratified  Compact.

(6)  States  currently unaligned.
SOURCE:  "The Radioactive Exchange," 1987.
                                     A-29

-------































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-------
                              Table A-11
                  "ALL OTHER" AGGREGATED VOLUMES
                    AS OF 12/85
GENERATOR  (Thousand of Cubic Meters)
   NLO
   PAD
  ORGDP
   Y12
  PANT
   SNL
  LLNL
   BNL
  PORT

TOTAL
298.50
  7.60
 76.90
 99.10
  0.10
  1.90
  9.10
  0.80
 10.00
    •

SOU.00
                   % OF 1985
100.00%
            % OF TOTAL
            U.S.VOLUME
59.23
1.51
15.26
19.66
0.02
0.38
1.81
0.16
1.98
8.19
0.21
2.11
2.72
0.00
0.05
0.25
0.02
0.27
13.81%
Key:     NLO      =  National  Lead of Ohio
         PAD      =  Paducah  Gaseous Diffusion Plant
         ORGDP   =  Oak Ridge Gaseous Diffusion Plant
         Y12       =  Y-12 Plant
         PANT     =  Pantex Plant
         SNL      =  Sandia National Laboratory
         LLNL     =  Lawrence Livermore  National Laboratory
         BNL      =  Brookhaven National Laboratory
        " PORT     =  Portsmouth  Gaseous  Diffusion Plant

NOTE:   Facility cumulative historical  volumes for this "All Other" category
         are used to apportion future  waste  generation to specific facilities.
SOURCE:  Adapted  from  Table 4.4 in  DOE86.
                                                         September  1987
                                  A-32

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-------
UNREGULATED  DISPOSAL OPTION  WEIGHTINGS                 Appendix B

     This  appendix  presents  the  percentages  used  in  weighting  the  five
unregulated  disposal  options  which  characterize  the  costs  and  population
risks of  unregulated  disposal  practice  on  average.   These  unregulated
disposal  practices  are used in  the NARM  analysis presented  in  Chapter 6
and  the  BRC  analysis  presented  in  Chapter  7.   A weighting  scheme  is
necessary  since  unit  health effects vary  significantly  by type  of disposal
option.   By  estimating a  weighted average of  the five  disposal  options, a
single  unregulated  disposal  scenario  can  be  compared  to  a   regulated
alternative.  Through  this comparison,  the cost-effectiveness of regulation
can  be  calculated.  Also,  since  two of  the unregulated  disposal  options
involve  incineration, which  is  characterized by  a  slightly higher cost than
the other three unregulated disposal options, a weighted average unit  cost
is  calculated  for these  five options  as well.

     Table B-1  presents  the weights  and average  disposal  cost for  the
different  disposal  options  by waste category.  The weights were  chosen on
a subjective  basis, based  on our general  knowledge concerning the  locations
of LLW  generators  and the type  of  facilities that they  are  likely to use.
The  five unregulated  disposal  options correspond to  three types of  locations
—  an  urban,  suburban,  or  rural  setting.   The  urban   and   suburban
disposal  options each  involve two types  of disposal  — with  or  without
incineration.   Since no information  is readily available on the percentage of
waste that  is  incinerated,  an unbiased  representation  of  this   percentage
would be  consistent with  assigning  an equal probability to whether  or not a
                                    B-1

-------
waste would  be incinerated.  Waste  from light water  power reactors,  which
are generally located away from densely populated urban  areas,  was judged
to be twice as likely to be located in a rural setting  vis-a-vis urban areas.
Institutional  wastes, generated  by hospitals, universities, and other medical
research facilities (which  are generally  located in metropolitan areas),  was
given an  equal weighting between  a suburban and  an  urban  location  and
was given  a  low.probability of  location in a rural  setting.  Industrial wastes
were assigned  weights  similar to  wastes  from light water power reactors  for
similar reasons.   Only two companies  in  the U.S. generate  process wastes
from uranium hexafluoride conversion.   Since these  generators  are  located
in  small   communities  (Metropolis,   Illinois  and   Sequoyah,   Oklahoma),
U-PROCESS was assumed to  be  disposed of with equal probability at a  rural
or suburban site.  Likewise,  the location of fuel  cycle waste  generators can
be  characterized  generally  by  a suburban  or   rural  setting.   For  these
generators,  a small  probability  was  assigned  to   urban  disposal.    The
disposal  of  consumer  wastes  and  the  two  consumer-like  NARM  wastes
(R-CLASDS1  and  R-INSTDF1)  was  distributed on the basis  of population,
with a 50/50 split between suburban and urban disposal and  a five percent
weight   assigned   to   rural   disposal.    Radium    ion-exchange   resins
(R-RAIXRSN)  were assigned the same  weights  as  those for  light  water
reactors.   Radium sources (R-RASOURC) were assigned the same weights as
institutional  wastes  since  they result  primarily  from  medical  or laboratory
applications.

     A  sensitivity analysis   is  performed  in  Chapter  7  to  determine  the
relative importance  of  these  subjective weighting assumptions.   Tables B-2
to B-21  present  the results  of the  sensitivity analysis.   In summary,  the
results  of  the. sensitivity  analysis suggest that  while the incremental  costs
associated  with regulation do  not vary  much across the five  unregulated
disposal  practices,  the  avoided   health  effects  do  vary  significantly.
Consequently, cost-effectiveness  ratios  can  vary   significantly- as  well.
However, the economic impacts  at the  proposed 4 millirem BRC standard  will
                                    B-2

-------
not  change  under  National-Explicit   implementation  if  the  valuation  per
avoided  health  effect exceeds  $12  million  but  is  less  than  $17  million,
assuming  an extreme  weighting  scheme of  either  100  percent  Suburban  SLF
with incineration  (SI) or  100  percent Urban SLF  without  incineration (UF),
the two limiting disposal options.   By  another  interpretation,  however, a  $3
million to $5 million valuation  per avoided  health  effect would increase BRC
savings by $83 million and result in  11 additional  health effects,  assuming
SI is  the only unregulated  option considered.   If a valuation of $23  million
to $374 million is  used,  BRC savings would decrease by $456  million  with  20
fewer  health  effects  occurring,  assuming UF  is  the  only  unregulated
disposal option considered.  For a more detailed discussion of these results,
see Chapter  7.
                                    B-3

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-------
                                        Table  B-2

                                 COST EFFECTIVENESS OF  REGULATION
                                     HUH10 PERMEABLE REGION
                      (Regulated Disposal versus Unregulated Municipal Dump)

8RC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIQO
I-LQSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASDS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
(S MILLIONS)
52.51
11.48
9.23
58.69
36.77
3.26
6.87
9.29
38.97
6.88
18.01
10.71
13.99
7.42
42.23
10.88
329.75
212.29
2615.10
0.01
266.77
0.03
9.99
1.33

AVOIDED
HEALTH EFFECTS •
1.0588
0.0005
0.0000
0.6620
68.1458
3.5013
4.1884
0.1735
0.0000
0.0001
10.4270
3.5252
0.0007
0.0005
0.0001
0.0000
0.0054
3.3807
0.1919
0.0000
0.0987
0.0000
0.2091
1.5721
                        3,772.44
                                        97.1419
                                                                        COST-EFFECTIVENESS RATIO
                                                                             (S MILLIONS PER
                                                                         AVOIDED  HEALTH EFFECT)
                                                                         nmmmmmmmmmmmmmmmMmmmnm
                                                                                   49.60
                                                                               25,023.24
                                                                              393,322.20
                                                                                   88.66
                                                                                    0.54
                                                                                    0.93
                                                                                    1.64
                                                                                   53.52
                                                                             1,060,547.42
                                                                               54,588.05
                                                                                    1.73
                                                                                    3.04
                                                                               19,196.87
                                                                               16,276.89
                                                                              372,089.40
                                                                              568,040.01
                                                                               61,499.79
                                                                                   62.79
                                                                               13,628.81
                                                                                   194.77
                                                                                 2,701.52
                                                                                   762.69
                                                                                   47.75
                                                                                    0.84
38.83
NOTE:
Costs represent present values at a 10 percent real discount rate,  expressed in
1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
years, and are not discounted.  Regulated disposal  is SLD As Generated, except  for
P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).   Note
consumer and NARM wastes are currently unregulated.
•   Avoided health effects are reported to four significant digits; therefore,  "0.0000"
    does not inply that zero health effects would be avoided with regulation,  only that
    the benefit is very small.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-5

-------
                                         Table B-3

                                 COST EFFECTIVENESS OF  REGULATION
                                     HUMID  IMPERMEABLE  REGION
                      (Regulated Disposal versus Unregulated Municipal Dunp)

8RC
CANDIDATE
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
1-ABSLIQO
I-LOSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASDS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
(S MILLIONS)
19.07
3.74
4.84
53.29
36.80
3.27
6.88
9.29
62.48
11.03
10.63
6.32
0.85
0.00
2.55
0.66
163.11
105.01
1293.55
0.00
142.78
0.01
4.94
1.40

AVOIDED
HEALTH EFFECTS
0.2695
0.0003
0.0000
0.6797
1.6465
0.0862
0.1235
0.0038
0.0001
0.0005
0.1482
0.0546
0.0001
0.0000
0.0000
0.0000
0.4684
0.0413
0.5550
0.0000
0.8157
0.0003
2.7005
45.4095
                        1,942.49
53.0037
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
  •••••• al M ••••••• MXV SaT
            70.74
        12,752.73
       180,510.19
            78.41
            22.35
            37.90
            55.66
         2.420.30
       456,486.94
        23,621.36
            71.72
           115.64
         8,219.36
             N.A.
       162,371.97
       246,131.06
           348.19
         2,545.15
         2.330.66
            83.02
           175.05
            49.36
             1.83
             0.03
            MM
            36.65
NOTE:
       Costs represent present values at a 10 percent real discount rate,  expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLO As Generated, except for
       P-CONORSH (SLO Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).   Note
       consumer and NARM wastes are currently unregulated.

    Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not ioply that zero health effects Mould be avoided with regulation,  only that
    the benefit is very-sMll.
N.A. • waste not generated in this region.

SEPTEMBER 1987
                                                       B-6

-------
                                           Table  B-4

                                 COST EFFECTIVENESS OF REGULATION
                                       ARID PERMEABLE REGION
                      (Regulated Disposal versus Unregulated Municipal Dump)

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
1-BIOWAST
I-ABSLIOO
I-LOSCNVL
N-SSTRASH
tt-SSWASTE
N-LOTRASH
N-LOUASTE
f- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC

INCREMENTAL
COST
(S MILLIONS)
20.48
4.19
1.41
3.30
24.20
2.15
4.52
6.11
23.29
4.11
6.57
3.91
5.80
0.00
17.50
4.51
176.49
113.62
1399.63
0.00
131.95
0.01
5.34
0.55
1,959.65

AVOIDED
HEALTH EFFECTS *
0.0671
0.0000
0.0000
0.0079
•1.9940
•0.1031
•0.1198
•0.0052
0.0000
0.0002
•0.1688
•0.0572
0.0009
0.0000
0.0001
0.0000
0.0076
0.0000
0.9884
0.0000
0.0418
0.0000 .
0.1098
0.6907
(0.5337)
COST-EFFECTIVENESS RATIO
& MILLIONS PER
AVOIDED HEALTH EFFECT)
305.31
91,332.87
424,988.32
419.69
(12.14)
(20.83)
(37.74)
(1.170.72)
491,595.19
25,322.32
(38.93)
(68.24)
6,686.24
M.A.
130,212.41
197,806.65
23,266.60
3,037,681.38
1,416.11
102.27
3,153.35
892.55
48.68
0.80
(3,671.95)
NOTE:  Costs represent present values at a 10 percent real discount rate,  expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLD As Generated, except  for
       P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).   Note
       consumer and NARM wastes are currently unregulated.

•   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not inply that zero health effects would be avoided with regulation,  only that
    the benefit is very-small.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-7

-------
                                 COST  EFFECTIVENESS OF REGULATION
                                              TOTAt U.S.
                      (Regulated Disposal  versus Unregulated Municipal Dump)

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
I-ABSLIQD
I-LOSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
($ MILLIONS)
92.06
19.41
15.48
115.29
97.77
8.68
18.27
24.69
124.74
22.01
35.21
20.93
20.63
7.42
62.28
16.05
669.35
430.91
5308.28
0.01
541.51
0.05
20.27
3.28

AVOIDED
HEALTH EFFECTS •
1.3954
0.0008
0.0001
1.3495
67.7982
3.4844
4.1921
0.1721
0.0002
0.0008
10.4063
3.5226
0.0017
0.0005
0.0003
0.0000
0.4814
3.4220
1.7353
0.0001
0.9563
0.0003
3.0194
47.6723
                                                                       COST-EFFECTIVENESS RATIO
                                                                             ($ MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)
                        7,674.58
149.6119
                                                                                   65.97
                                                                                24,327.16
                                                                              288,787.24
                                                                                   85.43
                                                                                     1.44
                                                                                     2.49
                                                                                     4.36
                                                                                   143.45
                                                                              564,459.00
                                                                                29,154.07
                                                                                     3.38
                                                                                     5.94
                                                                                12,145.78
                                                                                16,276.89
                                                                              236.257.92
                                                                              359,617.22
                                                                                 1,390.43
                                                                                   125.92
                                                                                 3,059.08
                                                                                   124.41
                                                                                   566.27
                                                                                   159.62
                                                                                     6.71
                                                                                     0.07
51.30
NOTE:
       Costs represent present values at a 10 percent real discount rate,  expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLD As Generated, except for
       P-CONORSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and HARM wastes are currently unregulated.
•   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not imply that zero health effects Mould be avoided with regulation, only that
    the benefit is very small.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-8

-------
    BRC
CANDIDATE

P-COTRASH
P-CONDRSN
L-UASTOIL
8-COTRASN
I-COTRASH
I-BIOUAST
I-ABSLIOO
I-LOSCNVL
N-SSTRASH
M-SSUASTE
N-LOTRASH
N-LOUASTE
F-PROCESS
U-PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS.
R-GLASOS1
R-GLASOS2
R-1MSTDF1
R-INSTDF2
R-RA1XRSM
R-RASOURC
                                          i'able  B-fa
                                 COST EFFECTIVENESS OF REGULATION
                                     HUMID PERMEABLE REGION
                      (Regulated Disposal versus Unregulated Suburban SLF without Incin.)
INCREMENTAL
   COST
(S MILLIONS)
«s«x*«xsx*
     52.51
     11.48
      9.23
     58.69
     36.77
      3.26
      6.87
      9.29
     38.97
      6.88
     18.01
     10.71
     13.99
      7.42
     42.23
     10.88
    329.75
    212.29
   2615.10
      0.01
    266.77
      0.03
      9.99
      1.33
•••«*••*•••
  3,772.44
  AVOIDED
HEALTH EFFECTS
    1.7798
    0.0003
    0.0000
    0.8408
  151.7716
    6.6978
    7.9954
    0.3328
    0.0000
    0.0001
   23.2102
    6.7695
    0.0011
    0.0007
    0.0001
    0.0000
    0.0028
    7.1670
    0.1689
    0.0000
    0.0624
    0.0000
    0.1974
    1.5091
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
                  29.51
              41,669.34
             773,286.91
                  69.80
                   0.24
                   0.49
                   0.86
                  27.91
           1,134,146.94
              58,477.28
                   0.78
                   1.58
              13,136.30
              11,137.37
             398,381.04
             607,961.80
             117,420.43
                  29.62
              15,483.58
                 209.07
               4,273.75
               1,208.30
                  50.58
                   0.88
                                              208.5078
                                              18.09
NOTE:  Costs represent present values at a 10 percent real discount rate, expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLD As Generated, except for
       P-CONDRSN (SLO Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and HARM wastes are currently unregulated.

•   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not iaply that zero health effects would be avoided with regulation, only that
    the benefit is very snail.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                  B-9

-------
    BRC
CANDIDATE
«***•»••*
P-COTRASH
P-CONDRSN
L-UASTOIL
••COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIQO
I-LQSCNVL
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOWASTE
F-PROCESS
U-PROCESS
F-COTRASH
F-NCTRASH
C-SHOOET
C-TIMEPCS
R-GLASDS1
R-GLASDS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
                                            Table  B-7

                                 COST EFFECTIVENESS OF REGULATION
                                     HUMID IMPERMEABLE REGION
                      (Regulated Disposal versus Unregulated Suburban SLF  without  Incin.)
INCREMENTAL
   COST
(S MILLIONS)

     19.07
      3.74
      4.84
     53.29
     36.80
      3.27
      6.88
      9.29
     62.48
     11.03
     10.63
      6.32
      0.85
      0.00
      2.55
      0.66
    163.11
    105.01
   1293.55
      0.00
    142.78
      0.01
      4.94
      1.40
»mmm»mmmmmm
  1,942.49
   AVOIDED
HEALTH EFFECTS *
mmmmmmmmmnmmnmmx
    0.1855
    0.0002
    0.0000
    0.4381
    1.5616
    0.1183
    0.1549
    0.0059
    0.0004
    0.0013
    0.1402
    0.0727
    0.0003
    0.0000
    0.0000
    0.0000
    0.6131
    0.0599
    0.7056
    0.0001
    0.9735
    0.0003
    2.9916
   49.5895
                                               57.6130
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
  9mmmmmmrnmmmnmm99mmmn*x
                 102.80
              19,632.59
             276,193.14
                 121.63
                  23.56
                  27.62
                  44.39
               1,584.27
             167,376.34
               8,612.02
                  75.80
                  86.84
               3,023.36
                   N.A.
              58,688.86
              90,068.80
                 266.04
               1,751.99
               1.833.17
                  30.67
                 146.67
                  41.46
                   1.65
                   0.03
                                              33.72
NOTE:  Costs represent present values at • 10 percent reel discount rate, expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLD As Generated, except for
       P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and NARN wastes are currently unregulated.

*   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not imply that zero health effects would be avoided with regulation, only that
    the benefit is very small.

N.A. • Waste not generated in this region.

SEPTEMBER  1987
                                                  B-10

-------
    BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIOO
I-LQSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F-PROCESS
U-PROCESS
  •COTRASH
  •NCTRASH
  •SMOKDET
  •TIMEPCS
  •GLASDS1
  •GLASOS2
  •1NSTDF1
  •1NSTDF2
  •RAIXRSN
R-RASOURC
                                           Table  B-8
                                 COST EFFECTIVENESS OF  REGULATION
                                       ARID PERMEABLE KEGION
                      (Regulated Disposal versus Unregulated Suburban SLF  without  Incin.)
INCREMENTAL
   COST
It MILLIONS)
••*•**•••*
     20.48
      4.19
      1.41
      3.30
     24.20
      2.15
      4.52
      6.11
     23.29
      4.11
      6.57
      3.91
      5.80
      0.00
     17.50
      4.51
    176.49
    113.62
   1399.63
      0.00
    131.95
      0.01
      5.34
      0.55
mmmmmmmmmmm
  1.959.65
  AVOIDED
HEALTH EFFECTS •
****************
    0.0688
   •0.0000
    0.0000
    0.0079
   •1.6241
   •0.1049
   •0.1255
   •0.0052
    0.0000
    0.0002
   •0.1376
   •0.0588
    0.0000
    0.0000
    0.0001
    0.0000
    0.0076
    0.0000
    1.0079
    0.0000
    0.0425
    0.0000
    0.0116
    0.0389
mmmmmmmmmmm
   (0.8705)
COST-EFFECTIVENESS RATIO
     ($ MILLIONS PER
  AVOIDED HEALTH EFFECT)
  **********************
                 297.45
          (8,080,859.09)
     323,890,184,715.99
                 420.20
                 (14.90)
                 (20.48)
                 (36.04)
              (1,169.63)
             483,718.14
              24,940.30
                 (47.78)
                 (66.45)
         139,187,703.14
                   N.A.
             127,627.41
             195,287.93
              23,326.32
           5,637,298.23
               1,388.67
                 100.77
               3,105.14
                 680.10
                 460.34
                  14.23
                                                                                      (2,251.17)
NOTE:  Costs represent present values at a 10 percent real discount rate,  expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLO As Generated, except for
       P-CONORS* (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).   Note
       consumer and NARM wastes are currently unregulated.

*   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not inply that zero health effects would be avoided with regulation,  only that
    the benefit is'very small.

N.A. • Waste not generated in this region.

SEPTEMBER 1987                                                                       •   -
                                                  B-ll

-------
                                 COST EFFECTIVENESS OF REGULATION
                                              TOTAL U.S.
                      (Regulated Disposal versus Unregulated Suburban SLF without Incin.)
    BRC
CANDIDATE
**x*««nss
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIOO
I-LQSCNVL
N-SSTRASH
M-SSUASTE
N-LOTRASH
N-LOUASTE
F-PROCESS
U-PROCESS
F-COTRASH
F-MCTRASH
C-SMOKDET
C-TIMEPCS
R-CLASOS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
   COST
($ MILLIONS)
     92.06
     19.41
     15.48
    115.29
     97.77
      8.68
     18.27
     24.69
    124.74
     22.01
     35.21
     20.93
     20.63
      7.42
     62.28
     16.05
    669.35
    430.91
   5308.28
      0.01
    541.51
      0.05
     20.27
      3.28
 •••••••*••
  7,674.58
  AVOIDED
HEALTH EFFECTS
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
    2.0341
    0.0005
    0.0000
    1.2868
  151.7091
    6.7111
    8.0248
    0.3334
    0.0005
    0.0016
   23.2129
    6.7834
    0.0013
    0.0007
    0.0003
    0.0000
    0.6235
    7.2269
    1.8824
    0.0001
    1.0784
    0.0004
    3.2006
   51.1375
 mmmmmmmmmm
  265.2503
                  45.26
              41,700.85
             525,346.11
                  89.59
                   0.64
                   1.29
                   2.28
                  74.06
             273,670.53
              14,086.47
                   1.52
                   3.09
              15,343.18
              11,137.37
             217,286.96
             332,302.93
               1,073.58
                  59.63
               2,819.92
                  77.44
                 502.13
                 141.85
                   6.33
                   0.06
             mmmmmmfmm*m
                  28.93
NOTE:  Costs represent present values at a 10 percent real discount rate, expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLD As Generated, except for
       P-CONORSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and NARM wastes are currently unregulated.

•   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not isply that zero health effects Mould be avoided with regulation, only that
    the benefit it very sMall.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                  B-12

-------
                                            Table  B-10
                                 COST EFFECTIVENESS  OF  REGULATION
                                     HUMID PERMEABLE REGION
                      (Regulated Disposal  versus Unregulated  Suburban SLF with  Incineration)
                                                                       COST-EFFECTIVENESS RATIO
                                                                             ($ MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
I-ABSLIOO
I-LQSCNVL
N-SSTRASH
N-SSVASTE
N-LOTRASH
H-LOWASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASDS2
R-INSTDF1
R-INSTDF2
R-RA1XRSN
R-RASOURC
INCREMENTAL
COST
(S MILLIONS)
• SSS88MM
52.42
11.48
9.22
56.58
36.70
3.26
6.87
9.28
38.90
6.87
17.98
10.69
13.96
7.41
42.15
10.87
329.72
212.28
2615.08
0.01
266.77
0.03
9.98
1.33

AVOIDED
HEALTH EFFECTS *
•••tf ••••••>•••••
0.9502
0.0003
0.0000
0.7206
35.6046
1.8214
2.1836
0.0902
0.0001
0.0002
5.4133
1.8446
0.0014
0.0009
0.0002
0.0000
0.0073
1.1274
0.3637
0.0001
0.0675
0.0000
0.1571
1.1401
                        3,771.83
                                        51.4949
      55.17
  45,831.41
 517,270.51
      81.30
       1.03
       1.79
       3.15
     102.93
 567,513.10
  29.177.07
       3.32
       5.79
   9,738.19
   8,517.23
 189,220.64
 289,194.72
  45,064.78
     188.29
   7.189.77
     104.13
   3,949.20
   1,112.36
      63.55
       1.16
mmmmmmmmmmmm
      73.25
NOTE:
Costs represent present values at • 10 percent real  discount rate,  expressed in
1985 dollars.  Health effects include fatal cancers  and genetic effects over 10,000
years, and are not discounted.  Regulated disposal  is SLD As Generated,  except  for
P-CONORSN (SLD Solidified) and R-RA1XRSN and R-RASOURC (both ISO Solidified).   Note
consumer and NARM wastes are currently unregulated.
•   Avoided health effects are reported to four significant digits;  therefore,  "0.0000"
    does not inply that zero health effects would be avoided with regulation, only that
    the benefit is very-«MU.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-13

-------
                                          Table  B-ll
                                 COST EFFECTIVENESS OF REGULATION
                                    HUMID  IMPERMEABLE REGION
                      (Regulated Disposal versus Unregulated Suburban SLF with Incineration)
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
  B*****X*KXB*»SX*XXa«X*
            99.12
        19,838.98
       245,595.34
           116.50
           (40.26)
           (86.79)
          (222.10)
        (4,794.92)
       155,910.84
         8,021.75
          (128.82)
          (312.91)
         2,802.26
             N.A.
        54,541.42
        82,216.86
           289.82
         6,240.37
         1,684.07
            28.58
           160.94
            45.36
             1.76
             0.03
     mnmmmmmmmmmm
            37.75

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
I-ABSLIOO
I-LOSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOWASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASDS1
R-GLASDS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
(* MILLIONS)
19.03
3.74
4.84
53.19
36.73
3.26
6.87
9.29
62.37
11.01
10.61
6.30
0.84
0.00
2.55
0.66
163.10
105.01
1293.54
0.00
142.78
0.01
4.94
1.40

AVOIDED
HEALTH EFFECTS •
0.1920
0.0002
0.0000
0.4566
•0.9123
•0.0376
•0.0309
•0.0019
0.0004
0.0014
•0.0823
•0.0201
0.0003
0.0000
0.0000
0.0000
0.5627
0.0168
0.7681
0.0001
0.8872
0.0003
2.8066
46.8345
                        1,942.08
                                               51.4420
NOTE:
       Costs represent present values at a 10 percent  real discount  rate, expressed  (n
       1985 dollars.  Health effects include fatal  cancers and genetic effects over  10,000
       years,  and are not discounted.  Regulated disposal  is  SLD As  Generated, except for
       P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both  ISO  Solidified).  Note
       consumer and NAftM wastes are currently unregulated.

    Avoided health effects are reported to four significant digits;  therefore, "0.0000"
    does not imply that zero health effects Mould be avoided  with  regulation, only that
    the benefit is very-snail.
N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-14

-------
    BRC
CANDIDATE
••••••a»s
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
1-COTRASH
I-BIOWAST
I-ABSLIQO
I-LQSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
M-LOWASTE
F-PROCESS
U-PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASOS2
R-IMSTDF1
R-INSTDF2
R-RAIXRSM
R-RASOURC
                                          Table  B-12
                                 COST EFFECTIVENESS OF REGULATION
                                       ARID PERMEABLE REGION
                      (Regulated Disposal versus Unregulated Suburban SLF with Incineration)
INCREMENTAL
   COST
(S MILLIONS)
•«•••••»
     20. 44
      4.19
      1.41
      3.30
     24.16
      2.15
      4.52
      6.11
     23.24
      4.10
      6.56
      3.90
      5.79
      0.00
     17.47
      4.50
    176.47
    113.61
   1399.62
      0.00
    131.95
      0.01
      5.34
      0.55
•••••*••••*
  1,959.40
  AVOIDED
HEALTH EFFECTS

    0.1132
    0.0001
    0.0000
    0.0117
   •2.0327
   -0.1057
   •0.1208
   •0.0054
    0.0001
    0.0002
   •0.1721
   •0.0584
    0.0012
    0.0000
    0.0002
    0.0000
    0.0103
    0.0012
    1.2708
    0.0000
    0.0535
    0.0000
    0.1369
    0.8722
••«*«**«••*
   (0.0232)
COST-EFFECTIVENESS RATIO
     ($ MILLIONS PER
  AVOIDED HEALTH EFFECT)
  »mmmMmmmmnmmmmmm»mmmnm
           180.55
        67,211.19
       244,719.34
           282.81
           (11.89)
           (20.32)
           (37.42)
        (1,135.70)
       342,854.31
        17,628.67
           (38.13)
           (66.83)
         4,765.24
             N.A.
        92,591.64
       141,106.84
        17,133.41
        92,526.02
         1,101.41
            70.12
         2,466.31
           696.96
            39.02
             0.63
                                                                               (84.283.88)
NOTE:  Costs represent present values at a 10 percent real discount rate, expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLO As Generated, except for
       P-CONDRSN (SLO Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and NARM wastes are currently unregulated.

*   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not imply that zero health effects would be avoided with regulation,  only that
    the benefit is very .small.

N.A. > Waste not generated in this region.

SEPTEMBER 1987
                                                       B-15

-------
                                         Table  B-13
                                 COST  EFFECTIVENESS OF REGULATION
                                             TOTAL U.S.
                      (Regulated Disposal versus Unregulated Suburban SLF with Incineration)
                                                                       COST-EFFECTIVENESS RATIO
                                                                            (S MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)
                                                                         m»mnmmmm»mmmmmmmm»*»mm
                                                                                   73.20
                                                                               38,720.97
                                                                              357.391.38
                                                                                   96.80
                                                                                    2.99
                                                                                    5.17
                                                                                    8.99
                                                                                  297.85
                                                                              232,142.04
                                                                               11,941.78
                                                                                    6.81
                                                                                   11.83
                                                                                6,982.14
                                                                                8,517.23
                                                                              135,691.25
                                                                              206,846.02
                                                                                1,153.23
                                                                                  376.19
                                                                                2.209.39
                                                                                   58.78
                                                                                  537.09
                                                                                  151.29
                                                                                     6.54
                                                                                     0.07
                                                                             mmmmmmmmmmmmm
                                                                                   74.56

BRC
CANDIDATE
SBSSMWW
P-COTRASH
P-CONORSN
L-WASTOIL
B- COT RASH
I-COTRASH
I-BIOWAST
I-ABSLIOO
I-LOSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASOS2
R-INSTDF1
R-INSTOF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
(S MILLIONS)
91.89
19.40
15.46
115.08
97.59
8.67
18.26
24.69
124.51
21.97
35.15
20.89
20.60
7.41
62.17
16.03
669.29
430.90
5308.24
0.01
541.50
0.05
20.27
3.28

AVOIDED
HEALTH EFFECTS •
1.2554
0.0005
0.0000
1.1888
32.6596
1.6781
2.0319
0.0829
0.0005
0.0018
5.1589
1.7661
0.0029
0.0009
0.0005
0.0001
0.5804
1.1455
2.4026
0.0002
1.0082
0.0003
3.1007
48.6468
                 7,673.31
102.9136
NOTE:
Costs represent present values at a 10 percent real  discount rate,  expressed in
1985 dollars.  Health effects include fatal cancers  and genetic effects over 10,000
years, and are not discounted.  Regulated disposal is SLD As Generated, except  for
P-CONORSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).   Note
consumer and NARM wastes are currently unregulated.
•   Avoided health effects are reported to four significant digits; therefore,  "0.0000"
    does not iaply that zero health effects would be avoided with regulation, only that
    the benefit is very.swell.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-16

-------
                                         Table B-14

                                 COST EFFECTIVENESS  OF  REGULATION
                                     HUMID  PERMEABLE REGION
                      (Regulated Disposal versus Unregulated Urban SLF without Incin.)

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIQO
I-LOSCNVL
N-SSTRASH
N-SSWASTE
*• LOT RASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SHOKDET
C-TIMEPCS
R-GLASDS1
R-GLASDS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
(S MILLIONS)
52.51
11.48
9.23
58.69
36.77
3.26
6.87
9.29
38.97
6.88
18.01
10.71
13.99
7.42
42.23
10.88
329.75
212.29
2615.10
0.01
266.77
0.03
9.99
1.33

AVOIDED
HEALTH EFFECTS *
4.3403
0.0004
0.0000
1 .8742
394.8502
20.2896
24.2483
1.0066
0.0000
0.0001
60.5843
20.4860
0.0007
0.0005
0.0001
0.0000
0.0032
18.3926
0.1917
0.0000
0.0627
0.0000
0.1116
0.9061
                                                                       COST-EFFECTIVENESS RATIO
                                                                             (S MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)
                        3.772.44
                                          547.3494
                                                                                    12.10
                                                                               28,304.17
                                                                              762.760.39
                                                                                    31.32
                                                                                    0.09
                                                                                    0.16
                                                                                    0.28
                                                                                    9.23
                                                                             1,060.592.80
                                                                               54,635.32
                                                                                    0.30
                                                                                    0.52
                                                                               18,994.80
                                                                               16,292.64
                                                                              369,278.12
                                                                              563,533.91
                                                                              103.387.58
                                                                                    11.54
                                                                               13,642.78
                                                                                  195.61
                                                                                4,251.81
                                                                                1,202.85
                                                                                    89.48
                                                                                    1.47
                                                                                6.89
MOTE:
   Costs represent present values at a 10 percent real  discount  rate,  expressed  in
   1985 dollars.  Health effects include fatal cancers  and genetic  effects over  10,000
   years, and are not discounted.  Regulated disposal  is SLD As  Generated, except for
   P-CONDRSN (SLO Solidified) and R-RAIXRSN and R-RASOURC (both  ISO Solidified).  Note
   consumer and NARM wastes are currently unregulated.

Avoided health effects are reported to four significant digits;  therefore, "0.0000"
does not i*ply that zero health effects would be avoided with regulation, only that
the benefit is very .Mail.
N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                      B-17

-------
    BRC
CANDIDATE

P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
1-COTRASH
I-BIOUAST
I-ABSLIOO
I-LQSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F-PROCESS
U-PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-CLASOS2
R-INSTDF1
R-IMSTDF2
R-RA1XRSN
R-RASOURC
                                          Table B-15
                                 COST EFFECTIVENESS OF REGULATION
                                     HUMID IMPERMEABLE REGION
                      (Regulated Disposal versus Unregulated Urban SLF  without  Incin.)
INCREMENTAL
   COST
(S MILLIONS)
•••*••«•«*
     19.07
      3.74
      4.84
     53.29
     36.80
      3.27
      6.88
      9.29
     62.48
     11.03
     10.63
      6.32
      0.85
      O.-OO
      2.55
      0.66
    163.11
    105.01
   1293.55
      0.00
    142.78
      0.01
      4.94
      1.40
mmmmMmm*mmm
  1,942.49
   AVOIDED
HEALTH EFFECTS *
•*•*•••••••*••••
    0.2770
    0.0002
    0.0000
    0.5716
    1.9275
    0.1004
    0.1370
    0.0062
    0.0021
    0.0071
    0.1742
    0.0633
    0.0016
    0.0000
    0.0002
    0.0000
    1.7594
    0.2240
    1.8440
    0.0005
    2.2680
    0.0008
    S.2434
   84.9675
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
                                               99.5759
            68.83
        15,381.73
       205,342.24
            93.23
            19.09
            32.52
            50.20
         1,509.96
        30,169.74
         1,544.20
            61.01
            99.80
           543.55
             H.A.
        10,621.08
        16,185.22
            92.71
           468.71
           701.50
             5.53
            62.96
            17.77
             0.94
             0.02
                                        19.51
NOTE:  Costs represent present values at a 10 percent real discount rate, expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLO As Generated, except for
       P-CONORSN (SLD Solidified) and R-RA1XRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and NARM wastes are currently unregulated.

•   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not imply that zero health effects would be avoided with regulation, only that
    the benefit is very.SMll.

N.A. • Waste not generated in this region.

SEPTEMBER  1987
                                                       B-18

-------
    BRC
CANDIDATE
••»••*«•*
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
1-COTRASH
1-BIOWAST
I-ABSLIOO
I-LOSCNVL
N-SSTRASH
M-SSUASTE
N-LOTRASH
N-LOUASTE
F-PROCESS
U-PROCESS
F-COTRASH
F-MCTRASH
C-SHOKDET
C-TIMEPCS
R-GLASOS1
R-GLASOS2
R-IHSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOJRC
                                         Table  B-16

                                 COST EFFECTIVENESS OF  REGULATION
                                       ARID PERMEABLE REGION
                      (Regulated Disposal  versus Unregulated  Urban  SLF without  Incin.)
INCREMENTAL
   COST
(S MILLIONS)

     20.48
      4.19
      1.41
      3.30
     24.20
      2.15
      4.52
      6.11
     23.29
      4.11
      6.57
      3.91
      5.80
      0.00
     17.50
      4.51
    176.49
    113.62
   1399.63
      0.00
    131.95
      0.01
      5.34
      0.55

  1,959.65
  AVOIDED
HEALTH EFFECTS

    1.9953
    0.0002
    0.0000
    0.1816
  181.2404
    9.3199
   11.1339
    0.4630
    0.0001
    0.0005
   15.3502
    5.2246
    0.0025
    0.0000
    0.0004
    0.0001
    0.0212
    0.0004
    2.8780
    0.0001
    0.1207
    0.0000
    0.2908
    1.9072
                                              230.1310
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
  mmmmmmmmmmmmmmmmmnmmmf
            10.26
        24,176.87
       151,440.62
            18.19
             0.13
             0.23
             0.41
            13.21
       170,509.37
         8.769.79
             0.43
             0.75
         2,311.93
             N.A.
        45,026.66
        68,601.39
         8,343.45
       271,341.16
           486.33
            35.49
         1,092.95
           309.84
            18.38
             0.29
    • mmmmmmmmmmmn*
             8.52
NOTE:  Costs represent present values at a 10 percent real discount rate,  expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLD As Generated, except for
       P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).   Note
       consumer and HARM wastes are currently unregulated.

*   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not imply that zero health effects would be avoided with regulation,  only that
    the benefit is very small.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-19

-------
                                           Table  B-17
                                 COST  EFFECTIVENESS OF REGULATION
                                             TOTAL U.S.
                      (Regulated Disposal  versus Unregulated Urban SLF without Incin.)

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIOO
I-LQSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TINEPCS
•GLASOS1
-GLASOS2
•INSTDF1
•INSTDF2
-RAIXRSN
•RASOURC
INCREMENTAL
COST
(S MILLIONS)
92.06
19.41
15.48
115.29
97.77
8.68
18.27
24.69
124.74
22.01
35.21
20.93
20.63
7.42
62.28
16.05
669.35
430.91
5308.28
0.01
541.51
0.05
20.27
3.28

AVOIDED
HEALTH EFFECTS •
6.6126
0.0008
0.0000
2.6274
578.0180
29.7100
35.5191
1.4758
0.0022
0.0077
76.1086
25.7739
0.0048
0.0005
0.0007
0.0001
1.7837
18.6170
4.9136
0.0006
2.4514
0.0008
5.6457
87.7808
7,674.58
877.0562
                                                                       COST-EFFECTIVENESS RATIO
                                                                            (S MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)
                                                                         mmmfmmmxmnmmmmmmmmmmmn
                                                                                   13.92
                                                                               23,614.45
                                                                              344,140.57
                                                                                   43.88
                                                                                    0.17
                                                                                    0.29
                                                                                    0.51
                                                                                   16.73
                                                                               55,580.20
                                                                                2,845.95
                                                                                    0.46
                                                                                    0.81
                                                                                4,298.01
                                                                               16,292.64
                                                                               83,773.09
                                                                               127,675.29
                                                                                   375.25
                                                                                   23.15
                                                                                1,080.32
                                                                                   18.53
                                                                                   220.89
                                                                                   62.32
                                                                                  ' 3.59
                                                                                    0.04
                                                                             m»mmmmmmmmm*m
                                                                                    8.75
NOTE:
       Cost* represent present value* at a 10 percent real  discount rate,  expressed in
       1985 dollars.  Health effects include fatal cancers  and genetic  effects  over 10,000
       years, and are not discounted.  Regulated disposal is SLO As Generated,  except  for
       P-CONDRSM (SLD Solidified) and R-RAIXRSM and R-RASOURC (both ISO Solidified).   Note
       consumer and MARM wastes are currently unregulated.
•   Avoided health effects are reported to four significant digits;  therefore,  "0.0000"
    does not imply that zero health effects would be avoided with regulation, only that
    the benefit is wry snail.

N.A. • Waste not generated in this region.

SEPTEHBER 1987
                                                       B-20

-------
                                          lable  B-18
                                 COST EFFECTIVENESS OF  REGULATION
                                     HUMID PERMEABLE REGION
                      (Regulated Disposal  versus Unregulated Urban SLF with Incineration)
                                                                       COST-EFFECTIVENESS RATIO
                                                                             (f MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIQO
I-LOSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOWASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIHEPCS
R-GLASOS1
R-GLASDS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
($ MILLIONS)
52.42
11.48
9.22
58.58
36.70
3.26
6.87
9.28
38.90
6.87
17.98
10.69
13.96
7.41
42.15
10.87
329.72
212.28
2615.08
0.01
266.77
0.03
9.98
1.33
nmmmmmmmfm*

AVOIDED
HEALTH EFFECTS
2.3110
0.0003
0.0000
1.6165
97.4127
4.9946
5.9918
0.2479
0.0001
0.0005
14.8645
5.0492
0.0031
0.0018
0.0005
0.0001
0.0182
2.9145
1.0435
0.0001
0.0799
0.0000
0.1649
1.2841
                        3,771.83
                                          137.9998
       22.68
   33,606.19
  230,826.81
       36.24
        0.38
        0.65
        1.15
       37.45
  273,038.21
   14,061.35
        1.21
        2.12
    4,502.28
    4,029.35
   87,352.40
  133,383.99
   18,117.79
       72.84
    2,506.17
       50.47
    3,340.21
      945.13
       60.54
        1.03
mmmmmmmmnmmx
       27.33
NOTE:
   Costs represent present values at a 10 percent real  discount  rate,  expressed  in
   1985 dollars.  Health effects include fatal cancers  and genetic effects  over  10,000
   years, and are not discounted.  Regulated disposal  is SLD  As  Generated,  except for
   P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both  ISO Solidified).  Note
   consumer and HARM wastes are currently unregulated.

Avoided health effects are reported to four significant digits;  therefore,  "0.0000"
does not imply that zero health effects would be avoided with regulation, only that
the benefit is wry small.
N.A. « Waste not generated in this region.

SEPTEMBER 1987
                                                       B-21

-------
                                 COST  EFFECTIVENESS OF REGULATION
                                    HUMID  IMPERMEABLE REGION
                      (Regulated Disposal versus Unregulated Urban SLF with Incineration)
                                                                       COST-EFFECTIVENESS RATIO
                                                                             (* MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)
                        1,942.08

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
I-ABSLIOO
I-LOSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASDS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
(S MILLIONS)
19.03
3.74
4.84
53.19
36.73
3.26
6.87
9.29
62.37
11.01
10.61
6.30
0.84
0.00
2.55
0.66
163.10
105.01
1293.54
0.00
142.78
0.01
4.94
1.40

AVOIDED
HEALTH EFFECTS
0.3016
0.0002
0.0000
0.6197
-0.7384
•0.0291
-0.0158
•0.0004
0.0020
0.0071
•0.0668
•0.0136
0.0015
0.0000
0.0002
0.0000
1.6344
0.0619
1.9412
0.0005
2.0795
0.0007
4.9056
79.4385
                                                                                   63.10
                                                                               15,122.06
                                                                              162,150.52
                                                                                   85.84
                                                                                   (49.74)
                                                                                 (112.31)
                                                                                 (435.36)
                                                                              (23,280.85)
                                                                               30,463.13
                                                                                 1,560.08
                                                                                 (158.90)
                                                                                 (463.08)
                                                                                   548.86
                                                                                    N.A.
                                                                               10,657.77
                                                                               16,265.06
                                                                                   99.79
                                                                                 1,697.42
                                                                                   666.38
                                                                                    5.59
                                                                                   68.66
                                                                                    19.28
                                                                                    1.01
                                                                                    0.02
90.1307
21.55
NOTE:  Costs represent present values at a 10 percent real discount rate, expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLD As Generated, except for
       P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and NARM wastes are currently unregulated.

*   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not imply that zero health effects would be avoided with regulation, only that
    the benefit is very Mill.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-22

-------
                                         Table B-20

                                 COST  EFFECTIVENESS OF REGULATION
                                       ARID  PERMEABLE REGION
                      (Regulated Disposal  versus Unregulated Urban SLF with Incineration)
                                                                       COST-EFFECTIVENESS RATIO
                                                                            (S MILLIONS PER
                                                                         AVOIDED HEALTH EFFECT)

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-A8SLIOO
I-LOSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASOS2
R-INSTDF1
R-INSTOF2
R-RAIXRSN
R-RASOURC


INCREMENTAL
COST
(S MILLIONS)
20.44
4.19
1.41
3.30
24.16
2.15
4.52
6.11
23.24
4.10
6.56
3.90
5.79
0.00
17.47
4.50
176.47
113.61
1399.62
0.00
131.95
0.01
5.34
0.55
mmnmmmmmmmm
1,959.40

AVOIDED
HEALTH EFFECTS
1.5031
0.0002
0.0000
0.1783
44.0052
2.2494
2.7028
0.1114
0.0002
0.0006
3.7263
1.2641
0.0031
0.0000
0.0005
0.0001
0.0259
0.0026
3.4548
0.0001
0.1451
0.0000
0.3482
2.2897
mmmmmmmmmmm
62.0116
                                                                                   31.60
NOTE:  Costs represent present values at a 10 percent real  discount  rate, expressed  in
       1985 dollars.   Health effects include fatal  cancers  and  genetic effects over  10,000
       years,  and are not discounted.  Regulated disposal  is  SLO  As  Generated, except for
       P-CONORS* (SLO Solidified) and R-RAIXRSN and R-RASOURC (both  ISO Solidified).  Note
       consumer and HARM wastes are currently unregulated.

•   Avoided health effects are reported to four significant digits;  therefore, "0.0000"
    does not imply that zero health effects would be avoided  with regulation, only that
    the benefit is very j»ell.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-23

-------
                                 COST EFFECTIVENESS  OF  REGULATION
                                              TOTAL  U.S.
                      (Regulated Disposal  versus Unregulated Urban  SLF with  Incineration)
                                                                        COST-EFFECTIVENESS RATIO
                                                                             (S  MILLIONS  PER
                                                                          AVOIDED  HEALTH  EFFECT)
                                                                          •••••••••»••*••••••••
                                                                                    22.33
                                                                                25,398.45
                                                                               183.202.28
                                                                                    47.66
                                                                                     0.69
                                                                                     1.20
                                                                                     2.10
                                                                                    68.78
                                                                                52,798.42
                                                                                 2,705.47
                                                                                     1.90
                                                                                     3.32
                                                                                 2,668.09
                                                                                 4,029.35
                                                                                51,831.12
                                                                                79,113.35
                                                                                   398.75
                                                                                   144.65
                                                                                   824.34
                                                                                    15.99
                                                                                   234.98
                                                                                    65.98
                                                                                     3.74
                                                                                     0.04
                                                                             •*•**•••<**••
                                                                                    26.45
7,673.31

BRC
CANDIDATE
P-COTRASH
P-CONDRSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIQO
I-LOSCNVL
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASDS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
INCREMENTAL
COST
($ MILLIONS)
91.89
19.40
15.46
115.08
97.59
8.67
18.26
24.69
124.51
21.97
35.15
20.89
20.60
7.41
62.17
16.03
669.29
430.90
5308.24
0.01
541.50
0.05
20.27
3.28

AVOIDED
HEALTH EFFECTS *
4.1157
0.0008
0.0001
2.4144
140.6795
7.2149
8.6789
0.3589
0.0024
0.0081
18.5240
6.2997
0.0077
0.0018
0.0012
0.0002
1.6785
2.9789
6.4394
0.0007
2.3045
0.0008
5.4187
83.0123
290.1420
NOTE:  Costs represent present values at a 10 percent real discount rate, expressed in
       1985 dollars.  Health effects include fatal cancers and genetic effects over 10,000
       years, and are not discounted.  Regulated disposal is SLO As Generated, except for
       P-CONDRSN (SLD Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Note
       consumer and NARM wastes are currently unregulated.

•   Avoided health effects are reported to four significant digits; therefore, "0.0000"
    does not imply that zero health effects would be avoided with regulation, only that
    the benefit is very swell.

N.A. • Waste not generated in this region.

SEPTEMBER 1987
                                                       B-24

-------
COST OF REGULATED AND
UNREGULATED  DISPOSAL                                      Appendix C
     This  appendix  presents  the  estimated  unit  costs  for  regulated  and
unregulated disposal of commercial  LLW  and NARM.   The methodology  used
in constructing these cost estimates is discussed in detail here.

     In the BRC  analysis  presented in Chapter 7,  unregulated costs are
compared   to   regulated  costs  to  determine  the  cost-effectiveness  of
regulating  individual wastes.   Savings  attributed to  EPA's  BRC  standard
were  estimated  by  using  the  same  comparison.    In  the  LLW  analysis
presented  in  Chapter 8, the  regulated  costs  of  different  disposal  methods
are compared  to determine  the  cost-effectiveness  of these methods  and to
ascertain which  disposal methods will meet the alternative LLW standards at
least cost.  Of course,  to  estimate the  cost-effectiveness of the alternative
BRC and  LLW standards,  the  cost components of regulated  and unregulated
disposal had to be  estimated as a first step.

     Costs are defined as  the  real resource costs to society,  characterized
in the  EIA as the  before-tax cash cost paid by the generator of LLW.   The
analysis  considers  those  cost  components  that  vary  across  alternative
disposal  options,  thus  providing the necessary information to measure the
relative cost-effectiveness  of each  option.   The  costs  that  do not  vary
across   disposal options,  such  as  enforcement  or   monitoring  costs, for
example, are irrelevant for purposes of the analysis and, therefore, are not
considered.  Because a relative comparison Is being  used as  opposed to an
absolute one,  the  cost  numbers presented here should not  be" construed as
being  all   inclusive;  therefore, these  costs  should  be  used only  in the
context of  this analysis.
                                     C-1

-------
     The  cost  components considered  in  the analysis  for  regulated disposal
include packaging,  processing,   transportation,  disposal,  and,  for  some
consumer-like  wastes,  collection.    Unregulated disposal  costs  include  the
transportation  and  disposal  components  only.   With  regulated disposal,
processing   costs,   which   involve  techniques   such   as   solidification,
compaction,  and   incineration, are paid  by  the  waste generator  before
shipping to a disposal  site.   To the extent  that compaction  or incineration,
for example, are  performed  by an unregulated disposal  site operator, these
costs would be captured  in  the tipping fees  (disposal  costs)  charged to the
waste  generator.    In   comparison  to  packaging  costs  associated  with
regulated  disposal, where wastes  must  be  placed  in  steel drums or  boxes
(and  sometimes  shielded  casks  for higher  activity  waste)   to  meet  U.S.
Department   of Transportation  (DOT)   regulations,  the  packaging  costs
associated   with   unregulated  disposal   are  negligible.   Therefore,   this
component of cost is not included in the estimates of unregulated disposal
cost.   Finally, the cost  of  collecting waste  is  a  unique problem  associated
with the  regulated disposal of some  consumer-like wastes  that  are  widely
distributed   throughout  the   economy.   Collection  costs   can  be  quite
significant for  regulated  disposal  of consumer-like wastes, since  the  owners
of these wastes are  not  typically  involved with radioactive  waste handling.
For  these generators, the  economies of  scale  in  waste  disposal  that  are
present for  typical  low-level  waste generators  are not  realized, since the
number of  items  to  be  disposed  is very low.   The methodology used in
estimating collection costs is discussed later in this  appendix.

     This  appendix   is  divided  into  two  sections.   The  first   section
discusses  the methodology,  data  sources,  and   caveats  associated  with
estimating the* unregulated  costs  used  in the  BRC analysis.   The  second
section has a similar discussion for the  regulated disposal costs used  in the
EIA.
                                      C-2

-------
UNREGULATED  DISPOSAL COSTS

     This  section  presents  estimates  of  unregulated  disposal  costs  and
describes the methodology and  assumptions underlying these estimates.

     The  general methodology  involved in  estimating the  least-cost (i.e.,
least  stringent) form of disposal  for  the  five unregulated  disposal practices
is  presented  in  Table  C-1.    The  cost  estimates  include  disposal  and
transportation  costs  for  BRC waste  shipped to a  sanitary  landfill  or  to  a
transfer  station  in  the  event   this  latter  option  was  available.   The
methodology   assumes  packaging  costs   are  negligible;  therefore,  this
component of cost  is not  included in the estimates of unregulated  disposal
cost.   Prices,  in 1985 dollars,  were  used  to estimate societal cost.   A  more
detailed  discussion   follows  concerning  the  data   sources used and  the
specific  assumptions  made  in  arriving  at  the -unregulated  disposal  costs
presented in Tables C-2 and C-3.

     The  data were  derived from  two primary  sources.   The  tipping  fees
for landfills, transfer  stations,  and  resource  recovery  plants  were  taken
from  a  survey by   the  National  Solid  Wastes  Management  Association
(NSWMA)  conducted  in the  fall of 1985 (NSWMA85].   All  fees  reported are
gate fees which represent the price {rather  than cost) charged  to the waste
generator.   NSWMA emphasizes that  the  municipality  that  owns the  landfill
and/or  others  under contract  will generally face  a lower  charge.   Follow-
up  discussions confirmed that gate fees were the closest approximation to an
unsubsidized  charge  (i.e.,  a  charge which reflects  the  societal  cost) for
                    *
solid  waste  disposal.     The analysis of transportation costs  used estimates
reported in  RAD86.
     Based  on  telephone  conversation  with  C.L.  Pettit  of National  Soild
     Wastes Management Association, February 15, 1986.
                                     C-3

-------
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-------
                                    TABLE  C-2
                  DISPOSAL COSTS FOR BRC WASTE STREAMS BY COMPACT
                              WITHOUT INCINERATION
                        (IN 1985 DOLLARS PER CUBIC METER)
  STATE
HI
ID
WA
CA
CA
CA
CA
CA
CA
CO
CO
CO
NM
NV
NV
TX
TX
TX
TX
TX
TX
TX
AR
AR
AR
KS
KS
LA
LA
NO
NO
NE
OK
IA
MO
NO
MO
MO
MO
IN
IN
MI
MI
OH.
OH
OH
       LOCATION
Honolulu
Boise
Bremerton
Long Beach
Los Angeles
Richmond
Sacramento
San Diego
San Francisco
Boulder
Denver
Denver
Albequerque
Las Vegas
Las Vegas
Austin (high)
Austin (low)
Clute
Dallas
Houston
Houston
San Antonio
Fayettville
Little Rock
N. Little Rock
Wichita (high)
Wichita (low)
New Orleans
Abbeville
BisMerk
BisiMrk
Lincoln (NO FEE)
Tulsa
DM Moines
Minneapolis
St. Paul
Kansas City
St. Joseph (high)
St. Joseph (low)
St. Louis
St. Louis
Fort Wayne
Indianapolis
Detroit
Lansing
Akron (high)
Akron (low)
Cinncinnati


••COMPACT
1
1
1
AVERAGE
2
2
2
2
2
2
AVERAGE
3
3
3
3
3
3

AVERAGE
4
4
4
4
4
4
4
AVERAGE
*
5
5
5
5
5
5
5
S
S
5
5
5 7
5 7
5 7
5 7
5 7
5 7
5 7
5 7
AVERAGE .
7
7
7
7
7
7
7
TRANSFER
LANDFILL STATION
FEE FEE
•••••••S ••••••••
4.36 8.28
1.18
5.04
3.52 8.28
2.62 5.96
2.18
4.80
2.01
3.49
15.83
3.02 10.90
2.62
3.60
3.01
5.49
3.92
2.62 3.27
•••••••» ••••••*•
3.47 3.60
2.15
1.73
.4.14
2.35 4.14
4.12
4.77
3.58
3.26 4.14

3.03
5.45
3.16
1.53
1.20
1.74
5.23
2.35
3.92

1.87
4.36
14.39
6.76
4.36
2.90
0.90
6.06
7.85
3.69 14.39
2.62
4.32
2.29
4.45
3.71
3.53
3.07
DISPOSAL FEE
INCLUDING
TRANSPORTATION
13.07
10.76
14.62
12.82
10.75
11.76
• 14.38
11.59
13.07
20.62
••••••£•
13.70
12.20
13.18
12.59
15.08
8.71
8.06
mmmmmmmm
11.64
11.73
11.31
13.73
8.93
13.70
14.36
13.16
• 12.42

12.61
15.03
12.75
11.11
10.78
11.33
14.82
11.94
13.51

11.46
13.94
19.17
16.34
13.94
12.49
10.49
15.64
17.43
13.60
12.20
13.90 "
11.87
14.03
13.29
13.12
12.66
                                        C-5
                                                                           Table continued  on next page

-------
             TABLE C-2 (Continued)
DISPOSAL COSTS FOR BRC WASTE STREAMS BY  COMPACT
            WITHOUT INCINERATION
      (IN 1985 DOLLARS PER CUBIC METER)
                                TRANSFER
                       LANDFILL  STATION
STATE
OH
WI
WI
LJ t
WI
WI
IA
MN
MN
MO
MO
MO
MO
MO

IL
IL
IL
IL


AL
FL
FL
FL
GA
SC
TN
TN
VA
VA
VA
VA

PA
PA
PA
PA
PA

CT
DC
DE
DE
DE
MA
MA
MD
MD
MD
MD
NJ
NJ
NJ
NJ
NY
NY
LOCATION
Cleveland
Green Bay
Madison
eneinoitee rails \nignj
Menemonee Falls (low)
Des Moines
Minneapolis
St. Paul
Kansas City
St. Joseph (high)
St. Joseph (low)
St. Louis
St. Louis

Bloomington
Ch i cago
Macomb
Ottawa


Huntsville
B reward County
Dade. County
Tampa
Atlanta
Spartanburg County
Menph i s
Nashville
Fairfax County
Prince William County
Richmond
Suffolk

Chester County
Erie
Northampton County
Philadelphia
Pittsburgh

Hartford
Lorton (VA)
Kent County
New Castle County
Sussex County
Hanerhlll
Millbury (NO FEE)
Baltimore County'
Montgomery County
Ocean City (NO FEE)
Prince Georges County
Burlington County
Burlington County
Cape Hay County
Gloucester County
Allegany County
Islip
••COMPACT
7
7
7
7
5 7
5 7
5 7
5 7
5 7
.5 7
5 & 7
5 t 7
AVERAGE
8
8
8
8

AVERAGE
9
9










AVERAGE
10
10
10
10
10
AVERAGE
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
FEE
16.29
3.49
4.36
7 AC
• O?
4.90
4.36

6.76
4.36
2.90
0.90
6.06
7.85
4.95
3.07
4.32
1.96
3.92
mmmmmmmm
3.32
1.66
9.59
6.98
5,10
3.60
1.18
2.18
2.62
7.30
3.27
7.63
5.23
4.69
8.72
5.30
4.80

3.60
5.60
6.70
4.36
7.69
12.86
9.91
5.49

13.08


11.12
10.40
7.00
12.53
15.05
7.19
7.85
FEE





14.39






14.39








9.72
13.78




7.30



10.27



21.80

21.80

6.10






13.52








 DISPOSAL FEE
   INCLUDING
TRANSPORTATION*
                                                25.88
                                                13.07
                                                13.94
                                                17.43
                                                14.49
                                                13.94
                                                19.17
                                                16.34
                                                13.94
                                                12.49
                                                10.49
                                                15.64
                                                17.43
                                               mmmmmm
                                                14.77

                                                12.66
                                                13.90
                                                11.55
                                                13.51
                                               mmnmmm
                                                12.90

                                                11.24
                                                19.18
                                                14.50
                                                18.56
                                                13.18
                                                10.76
                                                11.76
                                                12.20
                                                12.09
                                                12.85
                                                17.21
                                                14.82
                                               mmmmmm
                                                14.03

                                                18.30
                                                14.88
                                                14.38
                                                26.59
                                                13.18
                                               mmmmmm
                                                17.47

                                                16.28
                                                10.89
                                                17.28
                                                22.45
                                                19.49
                                                15.08

                                                22.66
                                                18.30

                                                20.70
                                                19.98
                                                16.58
                                                22.12
                                                24.64
                                                16.78
                                                17.43
                       C-6
                                                          Table continued  on next pag<

-------
                               TABLE C-2 (Continued)
                  DISPOSAL COSTS FOR BRC WASTE STREAMS BY COMPACT
                              WITHOUT INCINERATION
                        (IN 1985 DOLLARS PER CUBIC METER)
  STATE
LOCATION
                                                  TRANSFER
                                         LANDFILL  STATION
                                •COMPACT    FEE      FEE
NT       New York City
NY       Onondag* County
NY       Rochester
RI       Providence
RI       Warwick
         Bidderford
                               AVERAGE
11
11
11
11
11

12.10
10.90
5.62
5.23

9.17
19.95

6.54

10.90
11.40
 DISPOSAL FEE
   INCLUDING
TRANSPORTATION*
    mmmmmmm
     24.73
     20.48
     11.33
     14.82
     15.69
                      12   NO FEE

                       AVERAGE OVER ALL REGIONS
     18.39

    NO FEE

     14.78
 FEE FOR TRANSPORTATION EQUALS S9.S8 FOR SHIPMENT TO LANDFILL (ASSUMING
 60 MILE ROUNDTR1P) AND S4.79 FOR SHIPMENT TO TRANSFER STATION (ASSUMING
 30 MILE ROUNDTRIP).  FOR THOSE LOCATIONS THAT REPORT FEES FOR BOTH LANDFILLS
 AND TRANSFER STATIONS, IT WAS ASSUMED THAT WASTE WILL BE SHIPPED TO A TRANSFER
 STATION.

 COMPACTS
 1 •• NORTHWEST
 2 •• CALIFORNIA
 3 •• ROCKY MOUNTAIN
 4 •• TEXAS
 5 •• CENTRAL
 6 •• SOUTH DAKOTA (NO DATA)
 7 •• MIDWEST
 6 -• CENTRAL MIDWEST
 9 •• SOUTHEAST
 10  • PA / WV
 11  • NORTHEAST
 12  • NEW ENGLAND
NOTE:  BASED ON  1986 SURVEY OF TIPPING  FEES CONDUCTED BY
       NATIONAL  SOLID WASTE MANAGEMENT  ASSOCIATION.

SEPTEMBER 1987
                                       C-7

-------
                                        TABLE C-3
                          DISPOSAL COSTS FOR  BRC WASTE  STREAMS
                                   WITH INCINERATION
                               (IN DOLLARS PER CUBIC HETER)
  STATE
xxixxxxx
CT
FL
FL
FL
IA
IL
ME
MA
MA
MA
MN
MT
NY
NY
NY
NY
PA
OH
RI
TN
TN
                                   LOCATION
                                               RESOURCE
                                               RECOVERY
                                                  FEE
  TOTAL COST
  INCLUDING
TRANSPORTATION*
                        Uindhm                           7.24
                        Dade County                      13.19
                        Lakeland                         24.41
                        Pinellas County                  10.46
                        AMES (subsidized a SB/truck)
                        Chicago (No fee)
                        Auburn                            4.85
                        N. Andover                       12.21
                        Pimfield (subsidized 8 $6.54/cubic meter)
                        Saugus                           15.26
                        Ouluth                            6.80
                        Livingston                       10.90
                        Albany (subsidized a S5.45/ cubic Meter)
                        Glen Cove                        15.26
                        Niagra Falls                      5.39
                        Westchester County               15.26
                        Harrisburg                        8.72
                        Akron (subsidized a S3.32/cubic meter"*)
                        Portsmouth (No fee)
                        Sumner County
                        NashviIle
                                                  10.90
                                                  10.90
                                       AVERAGE
                                                  11.48
                                                               12.03
                                                               17.98
                                                               29.20
                                                               15.25
                                                                9.64
                                                               17.00

                                                               20.05
                                                               11.59
                                                               15.69

                                                               20.05
                                                               10.68
                                                               20.05
                                                               13.51
    15.69
    15.69
   ••••••
    16.27
             • THE FEE FOR TRANSPORTATION IS EQUAL TO S4.79 PER CUBIC METER
               (ASSUMING A 30 MILE ROUND TRIP).
MOTE:
            •* S1.92 (SAT.); S3.60 (M-F)
BASED ON 1986 SURVEY OF TIPPING FEES CONDUCTED BY NATIONAL SOLID WASTE
MANAGEMENT ASSOCIATION (NSWMA)ANO CONVERSATIONS WITH C. L. PETTIT FROM NSWMA.
SEPTEMBER 1987
                                                    C-8

-------
     Table C-2 demonstrates  that  tipping  fees were sometimes reported  for
both landfills and  transfer  stations.  Under this circumstance, the  tipping
fee for the transfer station  was used.   Although  the  per cubic meter cost
of disposal at the transfer station is usually higher than the gate  fee at the
landfill  site,  transfer  stations are  located closer  to the  waste generators.
Therefore,  the total  cost of  disposal,  including  transportation,  is lower
when shipping  waste  to a transfer station,  since  a more efficient  mode  of
transportation  can  be  employed  when   shipping  waste from  the  transfer
station  to  the  landfill.   To  capture  these  transportation  savings,  our
analysis assumes that the round  trip distance to  a  landfill  is 60 miles, while
a  round  trip  to a  transfer station is  only half  that  distance.   Resource
recovery  plants were also assumed  to  be located  closer to the generator  site
— the round  trip distance being 30 miles as well.

     The  per  cubic  meter  transportation  cost was  estimated  in  RAD86  at
about  15  cents per mile.   To  be consistent  with estimates of disposal fees
which  represent prices and not  simply costs,  an operating profit of 8.5
percent was  assumed.     Thus,  the fee for transportation equals $9.58 per
cubic meter  for a  round  trip of 60 miles and  $1.79  for a round  trip of  30
miles.   Some  evidence suggests  that,  unlike  disposal  costs,  transportation
costs do  not  vary  significantly  by geographic  region.   A 1984  survey  of
private trucking fleet  operators IATK84]  estimated  that  the cost per mile
varied from a  low  $1.19 in  the Southeast  to a high of $1.28 in the Rocky
Mountain  region — a difference of  only  about 7.5 percent.

     Tables  C-2 and  C-3  present  the  cost  of  BRC  disposal  by  Compact.
Table  C-2  reports  the cost  of BRC  disposal  assuming  the  waste is  not
incinerated  (i.e., shipped to a landfill  or  transfer station),  whereas Table
*
     This operating profit  is the  1985  industry average  for Refuse Systems
     (SIC#  4953)  reported by Robert Morris  Associates.   This  profit  is
     assumed  to reflect  a fair return  on investment  and,  thus,  to  be a
     legitimate component  of societal  cost.   Profit  is  also  included in  the
     regulated disposal cost estimates.
                                      C-9

-------
C-3  reports the cost associated  with  incineration (i.e.,  waste  shipped to a
resource   recovery   plant).     The   average   tipping   fee   (including
transportation)  for  waste  not   incinerated  is  $14.78  per  cubic  meter,
compared  to $16.27 for waste that is shipped to a resource recovery plant.

     The  cost reported in these  tables are  those used  in the BRC analysis.
These  costs, it should be emphasized, assume complete deregulation.   Some
waste  streams  that are  still considered  hazardous  (e.g.,  I-LQSCNVL)  or
possibly   unsuitable  for   disposal  at a  municipal  facility (e.g.,   animal
carcasses  found  in  I-BIOWAST)  may have disposal  costs  that  are  much
higher, however.   The range  in  possible costs for  these two wastes, which
also  are  similar to the types  of wastes  deregulated under  NRC's  BIOMED
rule, are  considered  below.   One additional observation  with respect  to the
costs presented in Tables C-2 and  C-3  is that these costs assume a zero
cost  component for  packaging.   The  underlying  assumption  is  that the
deregulated  waste  would   be  treated   in  the  same   fashion  as   other
non-hazardous  wastes (e.g.,  placed  in  a dumpster).  While this may be a
slight  understatement of  actual unregulated disposal costs for  some wastes,
the additional costs will  likely be negligible in comparison  to  the  regulated
alternatives, if wastes are actually treated as nonhazardous.

     As mentioned  above, an exception to this assumption is the disposition
of I-LQSCNVL  and I-BIOWAST.   Since the EIA  is limited to analyzing only
the  radiological hazards  resulting from  LLW  disposal, however,  the  health
risks  associated  with  disposing  these  two wastes  in  a hazardous   waste
facility was not modeled.  Therefore, costs were developed consistent with
the  risk  model,   where  disposal  in  unregulated  sanitary  landfills  was
assumed.    For illustration  purposes,  however,  the following  discussion
presents  the possible range in  costs  associated with  disposing  I-LQSCNVL
and  I-BIOWAST  in  a more stringent  fashion.   Use of  these alternative
disposal technologies would  reduce the potential savings of the proposed 4
millirem BRC  standard by  as  much  as   $31  million  under  National  Implicit
implementation  or   $23 million  under  National  Explicit  implementation  (since
I-BIOWAST  is regulated)'.
                                     C-10

-------
     Since the liquid scintillation medium  (often a toluene/xylene mixture) is
considered hazardous under the Resource Conservation and  Recovery Act of
1976  [RCRA76],   I-LQSCNVL  waste would  normally require  disposal  at  a
hazardous  waste  facility  or incineration  at  the generator  site or  regional
facility.   The cost per cubic  meter  is $3,592 for hazardous waste   disposal
and  $2,584 for  incinerated  waste disposal  (although,  as discussed below,
incineration  costs  may  be  much lower  for  small  quantity  generators  of
I-LQSCNVL).   The cost  for  hazardous  waste  disposal  is based  on  fees
currently  charged for  hazardous waste  disposal services,  as  reported  in
EPA86a.   The cost of disposal is approximately $529 per cubic  meter; the
cost of transporting  hazardous  waste  is  about  21  cents per mile  per cubic
meter.  The cost of packaging  I-LQSCNVL is assumed to be the same as for
regulated  LLW  disposal,  i.e.,  $1,880   per  cubic  meter  (with  a  volume
increase  factor  of 3).   Assuming  that  the transportation  distance is 200
miles,  the cost  of disposing  I-LQSCNVL  at  a   hazardous  waste  site,
therefore,  would  be  equal to   $3,592 per cubic meter  (compared  to $3,872
per cubic meter at a  commercial LLW disposal site).

     The  costs  of incinerating  I-LQSCNVL  and  I-BIOWAST  are  calculated
using  the  same  methodology.    Costs  consistent   with   the  regulated
incineration of I-BIOWAST are considered since municipal facilities  may not
accept animal carcasses for unregulated  incineration  at  the municipal  site.
Thus,  the unregulated  disposal of I-BIOWAST  could  cost as much as $2,482
per  cubic meter,  based   on  costs  for a  pathological  incinerator used for
processing radioactive  waste  [DM86].   This cost  and the  incinerated cost
for I-LQSCNVL assume that the  waste is incinerated  at  the generator  site;
then, the untreated ashes are  disposed of at an  unregulated facility.

     As  mentioned  above,  a  tower  cost  incineration  scenario  can  be
envisioned for I-LQSCNVL.    Factors  that  may  contribute  to  a  lower cost
include:   1)  the  possibility  of receiving  a  credit for the fuel value of the
scintillation fluid  and 2)  the  lower cost of disposing  the  glass vials  at  a
                                     C-11

-------
local sanitary landfill.   If we assume that a $5 per gallon credit is received
for the  scintillation  fluid, then  a savings  of  $13  per cubic  meter can  be
         *
achieved.    This  credit  would  be  approximately  offset  by the $15  per
cubic meter  cost of disposing  the  glass vials  at  an  unregulated sanitary
landfill.    Information  on  the   relative   volume of  glass  to  fluid  in  a
scintillation  vial  is  necessary   to  precisely   calculate  the   net   cost  (or
savings).   Nonetheless,  the actual  cost  will  be  quite low  relative  to
regulated costs.
REGULATED DISPOSAL  COSTS

     This section  presents the .unit costs associated  with  regulated  disposal.
Total  unit  costs  are   calculated  by   aggregating  the  four  main  cost
components  —   packaging,  processing,   transportation,   and   disposal.
Collection  costs  also   are  added  to  the  four  consumer-like  wastes  —
C-SMOKDET,  C-TIMEPCS,   R-INSTDF1,   and  R-CLASDS1.   Since  costs
generally are  positively correlated  with  waste activity,  the unit costs  are
reported for each type  of waste.  Two exceptions  involve  disposal costs  and
solidification costs  (a sub-component  of  processing  cost), neither  of which
vary by waste.

     Unit costs are based on the as  generated waste volumes.   Therefore,
if  any  stage of the disposal  process  results  in  altering the as  generated
volume  of  the  waste,  all  unit costs in the later stages of the process must
be  multiplied by  a volume  increase  factor  (VIF) to  reflect the change in
volume.   For example,  if solidification  doubles the volume of a given waste,
transportation 'and  disposal unit costs will be doubled since twice as much
waste   must   be   transported  and   buried.    Likewise,   compaction  and
incineration  reduce volume;  hence, the VIF is less than one.
     This  credit  is  based  on  actual  198M  figures  for  hazardous  waste
     resource recovery  facilities  [EPA86a].
                                      C-12

-------
     The  following  sections discuss  the methodology,  data sources,  and
caveats associated with estimating each of the five cost components.

Packaging Costs

     The cost of packaging  regulated  LLW was  reported  in  EEI84a.   These
costs,  presented in 1980 dollars,  were  escalated to 1985 dollars by using
the change  in the  producer price index for capital  equipment.   Between
1980 and 1985, the producer price index for capital equipment increased by
a factor of 1.253.  Packaging costs for all wastes include both  material  and
labor costs.

     To  comply   with  DOT  regulations,  some  wastes  require   special
packaging treatment.  For some industrial wastes, the cost estimates assume
a special container is  used  because of the high  activity of the  waste.  For
three  of  the   institutional  wastes   —   I-BIOWAST,   I-ABSLIQD,   and
I-LQSCNVL  — the  cost  estimates  assume  these wastes  are packaged with
absorbent materials.   As  a  result,  as generated  volumes  are increased by a
factor  of  1.92 for  I-BIOWAST  and  by  a  factor  of  3  for  I-ABSLIQD  and
I-LQSCNVL.   Estimates  for  the  four  LWR  wastes containing liquids reflect
the cost of dewatering-these wastes.

     R-RAIXRSN   is  assumed  to  have  the  same  cost   of packaging  as
L-IXRESIN,  one  of  the  four LWR  wastes, since these wastes  have similar
characteristics.   Likewise,   R-RASOURC is  assumed  to  have  the  same
packaging  cost  as   N-SOURCES.   Under   current  practice,  CRCPD86
recommends  a maximum of 500  millicuries of radium-226 per 55 gallon  drum.
Since  R-RASOURC  has  a total of 620  curies of radium-226,  the  minimum
volume  (i.e., assuming  the maximum  of 500 millicuries   per drum)  would
involve the  disposal of 1,240 drums  or, at  .208 cubic  meters per drum,  a
total of 258  cubic  meters.   At  the  other extreme,  disposal-of-all  17,200
radium sources  disposed  over  the next 20  years at one source per drum
would  result  in  a   disposal   volume  of  3,578  cubic   meters.    As  an
approximation, it is assumed that  500  millicuries total  activity   is disposed
                                     C-13

-------
per drum,  on average.  This results  in disposal  of 6,230 drums (3,115  total
curies),  or 1,296.9 cubic  meters.   The VIF  is  calculated  by the  ratio of
this  volume to the as  generated 20-year volume for  R-RASOURC  of O.UM5
cubic meters, and is  equal to 2,914.

     Table  C-u  presents  packaging  costs  and   associated  VIFs  for  each
waste.   The  footnotes  accompanying  the  table   document  the  assumptions
underlying each cost  estimate.

Processing Cost

     LLW   processing   involves   either   compaction,   solidification,   or
incineration.   Compaction costs  are  estimated   for  comparison  purposes.
CPC  risks  associated with  disposal  of  compacted  LLW  were not  modeled,
however.   CPC risk  would  likely  increase  under a scenario that  assumed
compacted  waste  is placed  in  the disposal trench  since a larger as generated
volume  (more activity) could be disposed per  250,000 cubic meter  site (or,
alternatively,  the site size is smaller  for a given  activity).

     The  general  methodology used in  estimating processing  costs involves
three steps.  First,  a representative processing  technique  is identified for
each  LLW  waste,  as  defined  by  the Nuclear Regulatory  Commission (NRC).
This allocation of waste to processing technique  was reported in  studies  by
Dames and  Moore [DM81,  DM86] for  the NRC.   The allocation was made on
the  basis  of what  is  currently being  practiced and  what  is  technically
        *
feasible.    Each  processing  technique has  an  associated cost  expressed in
dollars  per cubic  meter.   The  cost  is  the same per  cubic  meter  for  ail
wastes treated under that  particular technique.   However, each waste has
a unique volume  reduction factor (VRF)  for  a given processing technique.
     Reports  by  Envirodyne  Engineers,  Inc.  [EElBta]  and  TRW Energy
     Development  Group/RAE [TRW83a] also used  this methodology.
                                     C-14

-------
                                       TABLE C-4

                                  PACKAGING COST DATA
EPA
WASTE STREAM
MNEMONIC
PHB
ESTIMATE (1)
(1985 DOLLARS
PER CU. METERS,
As Generated)
VOLUME
INCREASE
FACTORS
P-COTRASH
B-COTRASH
L-NCTRASH
L-IXRESIN
P-FCARTRG
L-FSLUDGE
L-CONCLIO
L-DECONRS
F-COTRASH
F-NCTRASH
F- PROCESS
U- PROCESS
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOUASTE
L-NFRCOMP
N-ISOPROO
N-TRITIUM
N- TARGETS
N- SOURCES
I-COTRASH
I-BIOUAST
I-A8SL1QO
I-LQSCNVL
R-RASOURC
R-RAIXRSN
NOTES:
(1) ALL ESTIMATES INCLUDE
(2)
(2)
(3)
(4)
(5)
(4)
(4)
(4)
(2)
(3)
(2)
(2)
(2)
<2>
(2)
(2)
(6)
(7)
<5)
(5)
(5)
(2)
(8)
<8)
(8)
(9)
(10)

COMPONENT
303
303
383
449
449
449
512
449
303
355
303
303
303
303
303
303
501
449
501
501
501
303
1,451
1,879
1,879
501
U9

COSTS FOR LABOR,
1.0
1.0
1.0
1.0
.0
.0
.0
.0
.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.92
3.0
3.0
2914.0
1.0

MATERIALS, AND UT
       VOLUME INCREASES WHERE APPROPRIATE.
  (2)  ESTIMATE REFLECT PACKING IN A DRUM ONLY.  COSTS ALSO INCLUDE LABOR (FOR A TOTAL
       PER DRUM COST OF S50 IN 1980, OF WHICH S22 REPRESENTS THE COST OF THE DRUM ALONE).
  (3)  ESTIMATE REFLECTS MIX OF DRUMS AND BOXES AND INCLUDES LABOR.  COSTS ARE ALSO ASSUMED TO
       DEPEND ON ACTIVITY (HIGHEST FOR B-COTRASH, THEN P-COTRASH, THEN F-NCTRASH).
  (4)  ESTIMATE REFLECTS DRUM PACKING, BUT ALSO REFLECTS DEWATERING COST AND ASSUMES THAT
       DRUMS WILL BE SHIPPED IN REUSABLE SHIELDED CASKS (CASK COST INCLUDED IN TRANSPORT COST).
  (5)  ESTIMATE REFLECTS MIX OF DRUMS AND (APPARENTLY) BOXES, AND INCLUDES LABOR.  COSTS ARE ALSO
       ASSUMED TO DEPEND ON ACTIVITY.  FILTER CARTRIDGE ESTIMATE REFLECTS TRU83* ASSUMPTION THAT
       FILTER CARTRIDGE COSTS ARE THE SAME AS RESINS AND SLUDGES.
  (6)  ESTIMATE REFLECTS MIX OF DRUMS AND (APPARENTLY) BOXES, AND INCLUDES LABOR.  COSTS ARE ALSO
       ASSUMED TO DEPEND ON ACTIVITY.
  (7)  ESTIMATE REFLECTS TRW83* ASSUMPTION FOR PACKAGING AT A COST EQUAL TO RESINS.  THIS COST IS
       APPROXIMATELY THE SAME AS 1/2 L-CONCLIO AND 1/2 F-NCTRASH, SINCE N-1SOPROD IS HALF LIQUID
       AND HALF SOLID.
  (8)  ESTIMATE REFLECTS COST OF A DRUM, LABOR AND ABSORBENT, AND A VIF OF 1.92 (I-BIOUAST)
       OR 3.0 (I-ABSLIOO AND I-LQSCNVL).
  (9)  ESTIMATE REFLECTS ASSUMPTION THAT PACKAGING COSTS FOR R-RASOURC ARE THE SAME AS
       N-SOURCES.
 (10)  ESTIMATE REFLECTS ASSUMPTION THAT PACKAGING COSTS FOR R-RAIXRSN ARE THE SAME AS
       L-IXRESIN.   -

SEPTEMBER 1987
                                                      C-15

-------
     The  next  step  in the general methodology involves calculating  costs for
each  LLW waste  as  defined  by EPA  (in  general,  this  involves  simple
aggregations of NRC wastes).   In the situation where  the NRC waste is the
same  as  the EPA  waste, no special assumptions  are necessary.    However,
when  the NRC waste  streams  that map into  the EPA waste  streams require
different  processing  techniques,  then  a  weighted   average   usually  is
                                            *
calculated when estimating  processing costs.   The  footnotes to Table  C-5
identify  those  wastes  that  have  costs  calculated by  a  weighted  average
methodology.

     The  last step in  the methodology  accounts  for inflation.   All costs  were
calculated  from  1980  dollar   estimates  reported   in  DM81.   Similar  to
packaging costs, these  figures  were  escalated to 1985 dollars  by  using  a
single factor  —  the  change  in  the  producer    ~ice  index   for  capital
equipment.   Although the cost of processing includes other factors such as
labor  and  fuel,  using  the capital equipment  index  as the  only escalation
factor will not  significantly affect the cost-effectiveness results.   The 1985
update [DM86]  by  Dames and  Moore of its original  1981 NRC report adopts
this same methodology.

     As  mentioned  above, the cost of compaction is  estimated for  purposes
of illustration.   Compaction can be  considered an  intermediate method of
processing in comparison to the two extreme methods of processing assumed
in the  analysis,  i.e.,  either* packaging  waste  in  an  untreated   form  or
engaging  in  maximum processing by incinerating  and solidifying  the waste.
Two  types of compaction techniques were  considered — regular compaction
at the generator  site and compaction using an  industrial hydraulic press at
*
     For some  EPA waste  streams,  it was assumed that all of the associated
     NRC  waste  substreams   were  treated   under  the  same  processing
     technique even though not all of these NRC substreams  (such  as  small
     generators)  were  included  in  the NRC  report  [DM86]   under   that
     particular processing technique.  See Table C-5,  footnotes  4 and 10.
                                     C-16

-------
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the disposal site.   Like  incineration and  solidification,  it is assumed that
regular compaction  includes  packaging costs.   For  compaction done  by  a
hydraulic press at the disposal site,  however, packaging and transportation
costs  would remain the same, although disposal costs would be reduced due to
volume reduction.

     Table C-5 presents  the  unit costs for processing;  note  that  all  wastes
cannot be  compacted.  Likewise,  not all of the  NRC  substreams comprising
the EPA  wastes can be compacted.   For two waste  streams, N-ISOPROD  and
N-TRITIUM, a weighted  average was used  in  calculating  compaction costs
and   volume  reduction  factors.    Three  N-TRITIUM  NRC   substreams,
accounting  for approximately 54  percent  of  the waste  volume,  and  three
N-ISOPROD  NRC substreams,  accounting  for approximately   43  percent of
the waste volume, were considered  for compaction.   For those waste streams
that   excluded  small   producers  from compaction  scenarios,  a  weighted
average  was  not calculated,  however.  The implicit assumption  here  was
that  small  generators  can  compact  their  waste  at  the  same cost as large
generators (perhaps  at regional facilities).

     Table C-5 also  presents  the costs for solidification  (which include  the
cost   of  packaging).   All  wastes,  it  is  assumed,   are  capable  of  being
solidified.   More  important, however, is the assumption made  concerning  the
solidification  agent.   The  table   reports   solidification   costs   for  two
alternative  techniques —  solidifying  with cement and  solidifying with  a
synthetic polymer.  Significantly,  the costs associated with  the polymer  are
about double.  These costs are further magnified, given the higher  volume
increase  factor  when  using the polymer.  The  VIFs  are  reported in  Table
C-6  for  the various  processing techniques.  These  VIFs  were  taken from
DM86  or,  where noted,  were calculated from NRC substreams.  Since  the
VIF for solidifying with a polymer is  2 versus 1.4  with cement,  the costs of
transporting and disposal will be  greater per  cubic meter of  untreated waste
under the  scenario  where  a  polymer is  used.  The  use  of a polymer,
however, results in a more stable waste  form, since  the  first-year leach
                                     C-20

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-------
rate fractions for cement exceed the  leach rate fractions for the polymer by
one to two orders of magnitude [TRW83a].

     The  population health effects  and  CPC  risk  would  consequently be
lower,  everything  else  being  equal,  when  the  polymer  is  used.   As a
result,  the choice  of  the  appropriate solidifying agent  is  a  decision  that
could be  based  on  the relative  cost-effectiveness of  using  the  polymer
versus  the  cement  agent.   EPA's  risk assessment assumes  the polymer  will
be used in  all cases.  Risks for solidification with cement  or  bitumen were
not estimated.

     Finally, the costs of incineration and the associated  VIFs are shown in
Tables  C-5  and C-6, respectively.   Three types  of incineration technologies
were  considered  based  on  information contained  in DM86  —  fluidized   bed
incinerator  at  the  generator  site,  fluidized  bed incinerator  at  a  regional
                                                                         *
processing  center,   and pathological  incinerator at  the  generator  site.
Similar  to compaction  and  solidification,  packaging  costs  are  included  in
incineration costs.   Since  the  analysis assumes  that,  when  incinerated, a
waste  is  also solidified.  Table  C-5  also  reports  the  combined  cost  of
incineration and solidification for the two types of solidifying agents.

     Table  C-5  demonstrates  that  not  all  wastes  can  be  incinerated.
Generally,  those  wastes  considered  for incineration  in  DM86  also were
considered  for incineration  in  the EPA analysis.   However,  EPA's analysis
considers  two  additional   wastes   for  incineration   —   N-LOVVASTE   and
N-ISOPROD.   Since incineration  costs were  based  on  those reported  in
DM86,  it  was  necessary to assume  an incineration scenario for these  two
wastes.   Therefore, we assume these wastes are  burned in a fluidized  bed
incinerator  at  the   generator  site,  resulting  in VRFs   of  32  for  both
N-LOWASTE (assumed equal to  the VRF for N-LOTRASH)  and N-ISOPROD.
     DM86 costs  were derived originally from TEK81.
                                      C-24

-------
     The  NARM wastes,  R-RASOURC and R-RAIXRSN, also were not given
full treatment  in DM86.  Since the cost  data  were generally incomplete  for
these two  wastes,  special assumptions  were made  to  facilitate the analysis.
Processing costs were  reported  by DM86 for R-RAIXRSN,  although  not  for
R-RASOURC.   Therefore,  it  was  assumed  that the  type  of  R-RASOURC
processing  and  its  associated  costs  are  the  same  as  those  processing
methods  and costs used  for  N-SOURCES, since these wastes are similar  in
character.

Transportation Costs

     Transportation is  one of  the largest components  of  LLW  disposal costs.
Given the  current  operation of only three commercial  LLW disposal facilities,
with the  Beatty,  Nevada,  site  accepting very  small  amounts  of LLW, the
distance  from  the LLW  generator  site  to  the  disposal  site can be  quite
significant.  The  analysis  considers two relatively  lengthy transportation
distances  ~ 650 miles and  2,300  miles  [EEI84a].   The  latter  is used only
for deep geological  disposal  (DGD),  since  the availability of this option  is
expected to be limited  to a  single site.

     The  methodology  for  estimating  transportation  costs   involves, first,
                                                        *
adopting the  1980  dollar estimates reported  in  TRW83a.    These estimates
assume  that  current processing methods are employed before  shipping the
waste.  The 1980  dollar estimates  are then escalated  using  the  GNP  implicit
price deflator, which  increased  by a factor of 1.3 between 1980 and  1985.
Concerns    about   the  escalation   factor   will   be   discussed   below.
Transportation cost estimates  are  reported on a waste-specific basis  since
costs are  related to waste activity.

     The limitations of the above methodology should be  highlighted.   First,
under  a  no-processing  (i.e., as generated)  scenario, transportation  costs
     TRW83a based its  estimates on transportation tariffs listed in SL80.
                                      C-25

-------
used  in the  analysis  may  be  slightly understated  since  these costs  are
based on  the assumption that current  processing  techniques are employed.
Current processing techniques,  assumed  in TRW82,  involves  some volume
expansion due to  solidification  of some waste and  the addition  of packaging
materials   for   other  wastes.    This  volume  expansion   deconcentrates
radioactivity, resulting  in  lower transportation rates  (due  to lower surface
activity).   When comparing  two  regulated  disposal options,  this bias cancels
since both  options include  the  same  transportation.  When  comparing  a
regulated  to  an unregulated disposal  option, however, these lower regulated
transportation  costs result  in  incremental  costs  being  understated  since
transportation  costs for  unregulated  disposal  are  based  on  an   entirely
different  set of assumptions.   BRC savings,  therefore,  may  be  slightly
understated  since  the  appropriate  measure of  these savings  involves  the
comparison  of unregulated  costs to  current  practice, which  assumes  no
processing for Class A wastes.

     Similarly,  when  analyzing  a maximum  processing scenario,  such  as
incineration,  where as  disposed  volumes  are  lower  than  for   current
processing techniques,  transportation costs for all wastes  are understated.
Again,  the  reduction  of   waste volumes,  relative  to  current   practice,
concentrates  the  radionuclides  present in  the  waste, resulting in  higher
transportation  rates than assumed under  current processing.  This bias  is
minimized  somewhat because the  cost  of  transportation is  reduced by  the
VRF.   Therefore,  the  higher the volume reduction  factor, everything  else
being equal, the  lower  the  distortion of  costs.   Conversely,  under  the
processing   scenario   that  involves  the   solidification   of  all   wastes,
transportation costs will be overstated  since  TRW83a assumes that  under
current processing techniques,  only a subset of wastes  will be solidified;
therefore, on 'average, the waste activity will  be less  highly concentrated
when all  wastes  are solidified.  In short,  the  analysis   of  transportation
costs does  not consider the  effect  of a  change  in  the  as  disposed  waste
activity resulting  from  different  processing techniques.
                                      C-26

-------
     Another  potential area of concern arises  since  the transportation  cost
estimates  reported in TRW83a  were based  on  previous  estimates  of  nuclide
concentrations.   New  analysis has  resulted in a substantial revision of these
concentrations  for   some  waste   streams.     For  most   waste  streams,
transportation costs  were calculated on the basis of  an average activity for
a  general  waste  type   (as   reported  in  SL80).   Therefore,   the  new
concentrations will  not,  in  all  likelihood,  substantially  affect  these  cost
estimates.   In the TRW83a report,  however,  some wastes (footnoted in Table
C-7)  have costs  presumably  calculated on  the  basis  of an assumed activity.
Since these assumed activities  are  not altogether clear, there  is little basis
for revising  the  estimates  reported in  TRW83a  and,  therefore, the estimates
in that  report were simply adopted and escalated from 1980 to 1985 dollars.

     Finally,  the appropriate  escalation  factor  used  is  of some concern.
The  TRW83a  study used cost estimates reported  in SL80,  escalating  1980
dollar  estimates  to  1982  dollars by using a  factor of  1.2  (implying  that
transportation costs   are  increasing by about  10 percent  per  year).    In
contrast,  this analysis inflates 1980 dollars to 1985 dollars by using a factor
of 1.3, which implies that transportation  costs  are  escalating at  a  rate  of
about  five  percent per  year.   The  rate  of inflation  in  recent  years has
slowed, which may account for the  difference assuming  the  escalation factor
used  in TRW83a  was  based on general inflation.  However,  if the  escalation
rate  reported in  TRW83a  is based  on  knowledge of  actual  rates  of increase
in transporting   LLW,   or  if  it  is   known  otherwise  that  the  cost  of
transporting  LLW has increased at  a faster rate  than general  inflation,  then
using a higher  escalation  factor would be appropriate.  Historical evidence
suggests  that LLW  transportation  costs have  increased at about  the  same
rate  as inflation,  however.  Transportation rates per mile increased between
a  factor  of  1.45 to  1.U9 from  1975  to  1980,  whereas  the  implicit  price
deflator increased by a factor  of 1.45  during the same  period  [SL80].  The
1985  dollar estimates of transportation  costs are reported in Table C-7.
                                      C-27

-------
                  P-COTRASH (1)
                  B-COTRASH (1)
                  L-NCTRASH (2)
                  L-IXRESIN (1)
                  P-FCARTRG (1)
                  L-FSLUOGE (1)
                  L-CONCLIO (1)
                  L-DECONRS (3)
                  F-COTRASH (1)
                  F-NCTRASH (2)
                  F-PROCESS (1)
                  U-PROCESS (1)
                  N-SSTRASH
                  N-SSUASTE
(1)
(1)
                  N-LOTRASH (1)
                  N-LOUASTE (1)
                  N-NFRCOMP (3)
                  N-ISOPRCO (3)
                  N-TRITIUM (3)
                  N-TARGETS (3)
                  M-SOURCES (3)
                   •COTRASH
                   •B10WAST
                   •ABSLIOO
                   •LOSCNVL (3)
                  R-RASOURC (4)
                  R-RAIXRSN (5)
(1)
(3)
(3)
                                               Table C-7

                                     TRANSPORATION COSTS PER CUBIC METER
                                          ASSUMING NO PROCESSING
                                             (IN  1985 DOLLARS)
650



1
1
1




















1
MILES
134
134
548
,176
,176
,176
821
542
134
455
134
134
134
134
134
134
542
311
542
542
542
134
271
271
271
542
,176
2300 MILES
405
405
1,380
3,991
3.991
3,991
2,782
1,820
405
1.148
405
405
405
405
405
405
1,820
923
1.820
1,820
1.820
405
813
813
813
1,820
3.998
NOTES:
   (1) THESE COSTS UERE CALCULATED DIRECTLY FROM SL80; COSTS WERE REPORTED
       FOR THREE WASTE CATEGORIES--DRY ACTIVE WASTE, RESINS 4 SLUDGES, AND
       CONCENTRATES.

   (2) THESE COSTS WERE REPORTED IN TRW83a BASED ON ANALYSIS IN:  "A HANDBOOK
       FOR LOU-LEVEL RADIOACTIVE WASTE DISPOSAL FACILITIES," ROGERS I ASSOCIATES
       ENGINEERING CORPORATION, RAE-20-5, SEPTEMBER 1982.

   (3> THESE COSTS WERE ADOPTED DIRECTLY FROM TRW83a.  COSTS WERE FIRST DEFLATED
       FROM 1982 TO 1980 DOLLARS BY USING A FACTOR OF 1.2 THEN WERE INFLATED FROM
       1980 DOLLARS TO 1985 BY USING A FACTOR OF 1.3.

   (4) COST ASSUMED TO BE EQUAL TO N-SOURCES.

   (5) COST ASSUMED TO BE EQUAL TO L-IXRESIN.
                                                                          SEPTEMBER 1987
                                               C-28

-------
Disposal Costs

     Disposal  costs  were estimated in  NRC81b assuming  a  disposal site  sized
for an  as  generated volume of  1,000,000  cubic meters.   Using  a capital
scaling  factor, these disposal costs  were recalculated in EEI84a on  the  basis
                                                              *
of a  250,000  cubic  meter site  and  reported  in  1980  dollars.    Similar  to
packaging  and processing  costs,  disposal costs were escalated from  1980  to
1985 dollars  by a  factor of 1.253,  the change in the  producer  price  index
for capital equipment  during  this  time period.   Disposal  costs  for two
additional  disposal  technologies  —  earth  mounded  concrete bunker  and
concrete canister  — were estimated  in  RAE86a.  These costs  also  were
escalated  from  1980 to  1985  dollars.   Disposal  costs  per cubic  meter are
reported in Table C-8 for the nine  major disposal options considered in the
EIA.

Collection Costs

     Four  wastes considered  in the  EIA, the  two consumer  wastes and the
two "consumer-like"  NARM wastes, have atypical  costs associated with  their
regulated  disposal.   These  four  wastes are  highly  dispersed  across the
population  and  would  be  difficult to  collect.   In addition,  enforcement  of
any hypothetical collection process could  be very expensive.   Although not
quantified,  enforcement costs  and  an  additional cost  (namely,  the  dead
weight  loss to society)  are characterized below.   The  methodology  used  in
estimating   collection  costs  for  the   four   consumer-like wastes  then  is
discussed.    Finally,   the  unit  collection   costs  used  for  purposes   of
evaluating   the   cost-effectiveness  of  regulating  these  four  wastes are
presented  in a summary  table.
     The  capital scaling factor is calculated as follows:

                      250,000>t *6 _  „„
                     ,000,000^    ~


                                      C-29

-------
                       Table C-8

                    DISPOSAL COSTS
                BY DISPOSAL PRACTICE
   DISPOSAL OPTION


REGULATED SANITARY LANDFILL

SHALLOW LAND DUMP DISPOSAL

IMPROVED SHALLOW LAND DISPOSAL

INTERMEDIATE DEPTH DISPOSAL

DEEP WELL INJECTION

HYDROFRACTURE

DEEP GEOLOGICAL DISPOSAL

EARTH  MOUND/CONCRETE BUNKER

CONCRETE CANISTER*
 BURIAL COST
(1985 Dollars per
 "Cubic Meter)
      238

      393

      907

      732

    5,244

    3,027

      959

 520/4,040

      540
                                             September 1987
                          C-30

-------
     The  additional  costs  associated  with  the  regulated  disposal  of  the
consumer-like wastes include the following:

     1)   Collection costs:   Significant collection costs  may  arise  because
          the owners  of  the  consumer-like wastes are not typically involved
          with  radioactive  waste  handling.   For  these  generators,  the
          economies of scale in .waste  disposal that are  present  for  typical
          low-level waste generators are  not  realized,  since  the number of
          items  to be disposed is  very low.   In  this analysis of regulated
          disposal, it is  assumed that  each item is  disposed  of individually
          by  mailing  the  item  to  a regulated  disposal  facility  where  the
          waste is packaged  and disposed of under  the  same conditions as
          other  LLW.

     2)   Enforcement  costs:   The  consumer-like  wastes are  distributed
          among  many generators who may be unfamiliar with the hazards of
          radioactive wastes  and unaware of  regulatory  requirements.   For
          these  wastes,  compliance  with regulated disposal requirements  may
          be  very low.   To  induce compliance,  substantial   costs  may  be
          incurred to  educate  these  generators about  existing  laws  and
          potential  health   effects  and   to  enforce   regulated   disposal
          requirements through monitoring and inspection.

     3)   The dead  weight  loss  to society:   To the  extent that  certain
          consumer-like  wastes  are   regulated,  the  additional   costs  of
          collection  that  must  be  borne  by  the  purchaser  of  the   item
          effectively  increase the  price of  the  item.  As a  result, demand
          for the  product is  likely  to fall.   This  loss of  demand  results  in a
          "the dead weight loss" or efficiency loss to society.  That  is, the
          loss .of  demand  for  the regulated  product  translates  into  a
          real location  of  resources  (i.e.,  less of the regulated-product is
          purchased,  freeing up resources to be spent elsewhere),  which
          presumably  is  a  less efficient allocation (assuming  resources  were
          allocated efficiently prior to the regulation).
                                      C-31

-------
     To  quantify  the  additional collection  and  enforcement costs  associated
with consumer wastes, an economic  model  was  developed  that describes the
costs and  benefits facing an  individual generator contemplating  regulatory
requirements.   This  model   was  used  to  improve  our   understanding  of
factors  that  contribute to collection and  enforcement costs, as well as the
dead  weight  loss.   However,  only collection  costs  are   quantified in the
analysis  that follows.

     The decision facing  an  individual generator who is considering whether
to comply with a regulated disposal  requirements  can be viewed in  economic
terms.   A  generator  will  choose  to  comply  if  the  incremental  cost  of
compliance  is  less than the  cost of  noncompliance.   The incremental cost  of
compliance  is the additional cost of regulated disposal vis-a-vis nonregulated
disposal.

     Compliance can be achieved  through several  mechanisms, which may  be
used  in  combination.   These  mechanisms  can  be  in the  form  of  either a
positive  or  negative  incentive.    In  the  case  of  a  positive  incentive,
regulators  can  offer  an  economic benefit (e.g., the  return of  a  deposit)
that will induce individuals into compliance.   The  cost of noncompliance  then
becomes  the  opportunity cost  in  the  form of a  forgone  payment  (the
deposit)  if  noncompliance is chosen.   In  the case  of a negative  incentive,
regulators  can  impose an economic  cost  (e.g., a  fine)  on individuals  for
noncompliance.   The  cost of  noncompliance, in this case, is  the  expected
cost of noncompliance defined  as  the  probability of detection  multiplied  by
the amount of the fine.

     For purposes of  this analysis,  the focus will be on the incremental cost
of compliance.  The  greater the incremental cost of compliance,  the larger
the  cost of  noncompliance  must   be  to  induce  adherence  to   the  law.
Significantly,  real resources  must  be expended  (in  the form "of greater
enforcement   efforts   or  higher   deposits)   to   increase  the   cost   of
noncompliance.
                                      C-32

-------
     The incremental  cost  of  compliance  is made up  of  several components.
The following list itemizes these incremental costs:

     1.   Postage.

     2.   Transportation  to  and  from  the  collection  station  (e.g.,  post
          office).

     3.   Packaging.

     4.   Value of time  in  traveling  to the  collection station.

     5.   Value of time  spent  at the collection station.

     6.   Value of time  spent  packaging item.

     7.   Value  of  time  spent  investigating appropriate actions to take  for
          regulatory compliance.

     Additional  costs  that  are not quantified but  may  be quite significant
include:

     8.   Cost to manufacturer of labeling  products and record-keeping.

     9.   Cost to government  of enforcing  regulations.

     10.   Cost to society of dead weight  loss associated  with  increasing the
          price of a product.

     Determining  the  level of compliance,  given an  assumed  compliance
mechanism,  is very complex.   The above  model,  weighing the .incremental
cost of compliance against the cost of noncompliance,  implies  that compliance
will  be an all-or-nothing affair.   However, in  reality, some  individuals will
                                      C-33

-------
comply and  some will not.   One reason for this  is the simplifying assumption
made  for the  value of people's  time  — an  average  wage  rate.   If the
incremental  cost of compliance equaled the cost of noncompliance at a given
wage  rate,  then  an  individual with a lower wage rate will comply, while an
individual with a higher rate will not  comply.

     This   variable   is  very   important  in   trying   to   determine  the
cost-effectiveness of consumer waste disposal.   For purposes  of  analysis,
however,  all that  needs to  be determined, at  any level of compliance, is the
cost-effectiveness of  regulating  consumer  waste disposal,  when  collection
costs  are taken into account.  If it can be  demonstrated that  regulation will
be  very  costly at compliance rates  that  are expected  to be  zero,  then a
strong case for unregulated disposal exists.   By  using the minimum wage as
the average  wage rate to  calculate the value of  time, compliance rates will
be  very  close  to  zero  since  most  people  will  have a wage greater than the
minimum  wage  rate.

     Table   C-9   reports   the  calculations  and  the  basic  assumptions
underlying these calculations.  Postage costs  are excluded since these vary
with the  weight  of  the product.  Table  C-10 reports these  collection  costs
and postage costs on  a cubic meter basis for the four consumer-like wastes
—  R-GLASDS1, R-INSTDF1,  C-T1MEPCS, and  C-SMOKDET.

     The  total  cost  of consumer-like  waste collection  is very  significant
compared to  the typical   costs  associated  with regulated  disposal  (i.e.,
packaging,  processing, transportation,  and  disposal  emplacement).  Again,
these costs  do not  include the important costs  of  enforcement and of the
dead weight  loss to  society.  Ignoring these costs,  Table C-10  demonstrates
that the  regulation  of  R-CLASDS1 will  have  costs  about 264  times higher
than  regulated shallow  land  disposal, as generated; R-INSTDF1  costs will
increase   by  a  factor of  305,  C-TIMEPCS  by  a  factor  -of- 117,  and
C-SMOKDET by  a  factor   of  21.   Table C-11   presents  the  unit costs of
shallow  land disposal,  as  generated,  for these  four wastes  when  collection
costs  are included.
                                     034

-------
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                                                           C-37

-------
                              Table C-11

        TOTAL COST  OF REGULATED SHALLOW LAND DISPOSAL,
                            AS GENERATED

                      (in  dollars per cubic meter)
                             Excluding
                             Collection
                               Costs
                    Including
                    Collection
                      Costs
C-SMOKDET

C-TIMEPCS

R-GLASDS1

R-INSTDF1
$830

$830

$830

$830
$17,106

$97,351

$218,913

$252,918
                                                       September 1987
                                 C-38

-------
DERIVATION OF MAXIMUM CPC DOSE
FOR THE  BRC ANALYSIS                                     Appendix  D
     The  computer  model   (PATHMAX)  that  generates  the  estimates  of
maximum CPC  dose used in the BRC analysis (presented in Chapter 7) is
discussed  in  this  appendix.   Since  alternative  BRC standards  permit  the
unregulated disposal of different combinations of BRC wastes, a multitude of
PATHRAE  runs would be required to estimate  CPC doses because CPC dose
depends in a non-linear fashion on the  dose contributions of many  nuclides
(see EPA85d  and  EPA87  for  documentation of PATHRAE).  Therefore,  the
contributions   to   maximum  dose  of different  BRC  candidates  are  not
independent.   By  making  some simplifying assumptions,  however,  only  one
PATHRAE  run  is  necessary  to  evaluate different  BRC standards.   The
importance of these assumptions  is evaluated below.

     PATHMAX  uses  the   data  generated  by  the   one  PATHRAE   run  to
calculate the  maximum CPC dose  for  different combinations  of BRC  wastes.
The  result  from  PATHRAE  are  reported  in  PEI86a  and  PEI86b.   The
structure of the PATHMAX model, the  necessary inputs to  the  model,  and
the  methodology  used  in  estimating maximum  CPC dose  are  the  topics
discussed below.
STRUCTURE OF THE PATHMAX MODEL   '

     PATHMAX  calculates the maximum  CPC  dose occurring over  the  10
pathways, the  15  disposal  scenarios, and  the  three  hydrogeplogic  regions
for the  19  wastes evaluated in the  BRC analysis.   In  Chapter  3,  the
exposure pathways and disposal scenarios are defined.   These pathways and
                                    D-1

-------
scenarios  also  are  summarized  in  the  first page  of  Table  D-1.  which
presents the output from a PATHMAX  run.   Two of the disposal  scenarios
included in PATHMAX  involve  the  disposal  of  BIOMED  waste unregulated
under the  NRC's  rule [NRCBla].  Also note  that the exposure pathway  that
evaluates CPC doses resulting  from direct gamma exposure  to transportation
workers  is  not   included  in   PATHMAX.    This  exposure  pathway  was
evaluated by a different computer model  [RAE86d] and was included  in the
results  presented in the BRC analysis.
INPUTS TO  THE  PATHMAX MODEL

     Each disposal scenario includes a different set of wastes, depending on
the type of  waste generator defined in the  scenario.   The number of wastes
included in  each disposal  scenario  varies  from one  to  11   wastes  per
scenario, as can  be  seen by  inspection of Table D-1,  which is. a printout  of
PATHMAX.  Disposal scenarios are arrayed  in  rows;  exposure pathways are
arrayed  in  columns  for  each  disposal  scenario.  The contribution to  CPC
dose  associated  with the top  three nuclides  in each of  the  10 exposure
pathways was  aggregated  for each  waste  in  a disposal scenario.  These  data
were  input  into  the  PATHMAX model  and are  listed  in Table D-1 for each
hydrogeologic  region.
PATHMAX METHODOLOGY

     Based on  both  the  individual  waste  contribution to  maximum  CPC dose
and  on the least-cost method  of regulating each waste,  PATHMAX can be
used to determine an optimal ranking  for meeting the alternative BRC limits
considered in  the  BRC  analysis.   PATHMAX estimates  the maximum  CPC
doses  associated  with  this  optimal   ranking.   The  alternative"  standards
considered in  the  BRC  analysis  are based  on  the  CPC doses  calculated
under  this ranking of BRC candidates.   At each  successively lower level of
an alternative  standard, an  additional waste (or wastes) fails  to  meet  the
                                    D-2

-------
standard.   PATHMAX  estimates  the  CPC dose  resulting from  unregulated
disposal of the remaining set of wastes that  meet the  standard.   An implicit
assumption  underlying  this  methodology concerns  the  year  at which  the
maximum dose is attained within each CPC scenario, which is assumed not to
change  with  a  different  combination  of BRC' wastes.   As  long  as  the
dominant  pathway  and  nuclide  are   constant,  this  assumption  almost
invariably holds true.
EVALUATION  OF KEY ASSUMPTIONS

     The  BRC exposure analysis  uses two key  assumptions  to  approximate
the CPC dose contributions  of  individual  wastes.   First, the contributions
of only the top three nuclides  were  considered under  the  assumption that
these  nuclides  accounted  for  most  of  the maximum  CPC dose.    This
assumption simplified the computation of CPC.   Second, the year at  which
the maximum dose  is attained was assumed  not  to  change with a different
combination  of BRC wastes.   This assumption allows  us to  avoid  the large
number of PATHRAE runs that  could be required to  evaluate the different
combinations  of unregulated  wastes  at  alternative  BRC standards.   The
following analysis evaluates  the  importance of these two assumptions.

     The first assumption is important to ensure that the estimation of CPC
dose is indeed the maximum.   Review of Table D-1 will  support the notion
that the top  three  nuclides account for most of  the maximum CPC dose.  A
comparison of the CPCs reported in the row labeled "ACTUAL Total,"  which
includes all 40  nuclides, to  the  CPCs reported in the row labeled  "BRC
Total,"  which is the  sum of  the top  three nuclides, shows that  over  the  17
disposal  scenarios and three  hydrogeologic regions, the top three nuclides
account for at least 96 percent of the maximum  CPC  dose for the pathway
dominant at the higher levels of the  alternative standards —'direct  gamma
exposure.

     The second assumption, concerning the peak year, is not important for
several  of the pathways  since  the .maximum  CPC  dose occurs  in the  first
                                     D-3

-------
year  of  exposure.   These exposure pathways include food  grown  onsite,
natural  biointrusion,  atmospheric transport,  and  two pathways  that  are
dominant  at  different levels  of the  alternative  — direct gamma and  dust
inhalation.  Croundwater to well  is the only  pathway that has a  peak  year
occurring later  in  time  and also  exceeds an  alternative standard, but  this
pathway  only exceeds the  0.1 millirem alternative.

     In   conclusion,  the  two  simplifying  assumptions  that   were used  in
estimating the  CPCs  associated with  unregulated  disposal would  not  appear
to influence the results  from the  BRC analysis significantly.

-------
                                                     Table D-1
                                                                                                           Page 1
                                                  PATHMAX  MODEL
File name :
                 Pathmax
                   GLOBAL FLAGS
                 Region :
    Humid Impermeable (HI)       1
    Hunid Permeable (HP)         1
    Arid Permeable (AP)          1

Pathways :
1.  Groundwater to river (GU-R)
2.  Grounduater to well (GW-W)
3.  Spillage (SPILL)
4.  Erosion (EROS)
5.  Bathtub effect (BATH)
6.  Food grown on site (ON FOOD)
7.  Natural biointrusion (BIOUAS)
8.  Direct Gamma (GAMMA)
9.  Oust inhalation (DUST)
10. Atmospheric Transport (ATMOS)
 Scenario :
1  PWR-MD
   BUR-MO
   LUMC-UF
   MAFC-SF
   MAFC-SI
   PWRHU-MO
   UHX-MO
   UF-MD
   LURO-ON
2
3
4
5
6
7
8
9
10 LMACW-SI
11 LMACW-UI
12 CU-SF
13 CW-UF
14 LURO-ON*
15 LURO-ON**
                                            Waste Streams  •-  BRC  Candidates:
P-COTRASH
B-COTRASH
 •COTRASH
 •COTRASH
 -ABSLIOO
 •BIOUAST
 •LOSCNVL
N-LOTRASH
N-LOUASTE
N-SSTRASH
N-SSWASTE
F-PROCESS
U-PROCESS
F-NCTRASH
P-CONORSN
L-WASTOIL
C-TIMEPCS
C-SMOICDET
BIOMEO *
                                                      •  For  Scenario  14  and  15 only.

                                                                      US MAX:    40.703
                                            NE  MAX:   21.45256
                                            SE  MAX:     40.703
                                            SU  MAX:   21.45256

NOTE:  See Chapter 3 or EPA87 for explanation of  mnemonics  used  in disposal scenarios
       above.  The scenario numbering follows the numbering used in the Background
       Information Document (EPA87) rather than the  scenario numbering used in Chapter 3.
                                                                                                 September 1987
                                                   D-5

-------
                                                     Table 0-1  (continued)
                                                                                          Page 2
Maxinun HI
1.836-05 9.066*00 3.35E-03 4.756-05  1.446-03 8.02E-01 2.686*00 2.156*01 2.08E-01 1.096-05 2t
HI
BRC total
ACTUAL Total
P- COTRASH
P-CONDRSN
L-WASTOIL
HI
2 BWR-MD
BRC total
ACTUAL Total
B- COTRASH
L-WASTOIL
HI
3 LUMC-UF
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIQO
I-BIOUAST
I-LQSCNVL
HI
4 MAFC-SF
BRC total
ACTUAL Total
-COTRASH
-ABSLIQO
•BIOUAST
•LOSCNVL
•LOTRASH
•LOUASTE
•PROCESS
•COTRASH
•NCTRASH
HI
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIQO
I-BIOUAST
I-LQSCNVL
N- LOTRASH
N- LOUASTE
F- PROCESS
F- COTRASH
F- NCTRASH
GU • R
mmm m mmmmt
7.666-07
7.66E-07
7.666-07
5.916-12
0.006*00
GU • R
•••••••••
1.736-06
1.736-06
1.736-06
O.OOE+00
GU - R
7.29E-07
7.296-07
6.546-07
4.006-08
3.346-08
1.676-09
GU • R
1.376-06
1.37E-06
6.966-07
4.266-08
3.566-08
1.786-09
4.366-07
1.486-07
9.97E-09
1.556-09
2.626-10
GU • R
8.286-07
8.286-07
4.096-07
2.516-08
2.096-08
1.046-09
2.566-07
8.686-08
2.456-08
3.806-09
6.426-10
GU • U
•••••••••
3.14E-02
3.146-02
3.146-02
2.406-07
0.006*00
GU - U
[•••••••••
7.106-02
7.106-02
7.106-02
O.OOE+00
GU • U
1.476-03
1.476-03
1.326-03
8.076-05
6.736-05
3.366-06
GU • U
1.816-02
1.816-02
9.176-03
5.616-04
4.686-04
2.346-05
5.736-03
1.946-03
1.436-04
2.246-05
3.776-06
GU - U
6.89E-02
6.89E-02
3.406-02
2.086-03
1.746-03
8.686-05
2.136-02
7.216-03
2.106-03
3.276-04
5.526-05
SPILL
mmmmMmmmm
1.986-03
2.106-03
1.986-03
1.316-06
9.326-08
SPILL
•••••••mi
3.356-03
3.506-03
3.356-03
2.396-07
SPILL
4.186-04
5.406-04
3.666-04
3.816-05
1.446-05
2.316-07
SPILL
3.666-04
5.16E-04
1.836-04
1.916-05
7.236-06
1.166-07
1.156-04
4.176-05
0.006*00
0.006*00
0.006*00
SPILL
2.206-04
2.806-04
9.946-05
1.266-05
5.076-06
1.836-06
6.656-05
3.426-05
0.006*00
0.006*00
0.006*00
EROS
mmmmmmmmm
2.736-06
2.776-06
2.736-06
3.956-11
0.006*00
6ROS
1.726-06
1.776-06
1.726-06
0.006*00
6ROS
WMS*X«*1
1.096-06
1.096-06
9.836-07
5.936-08
4.956-08
2.476-09
6ROS
4.006-06
4.146-06
4.846-07
2.966-08
2.476-08
1.236-09
3.036-07
1.036-07
2.596-06
4.036-07
6.806-08
6ROS
3.286-06
3.426-06
1.216-07
7.406-09
6.17E-09
3.086-10
7.566-08
2.566-08
2.576-06
4.026-07
6.786-08
PATHUAYS
BATH
2.036-04
2.106-04
2.026-04
2.366-08
5.466-10
PATHUAYS
BATH
4.636-04
4.666-04
4.636-04
1.416-09
PATHUAYS
BATH
6.256-04
6.276-04
5.606-04
3.486-05
2.87E-05
1.666-06
PATHUAYS
BATH
5.616-04
5.676-04
2.806-04
1.736-05
1.436-05
7.036-07
1.746-04
5.956-05
1.246-05
1.926-06
3.256-07
PATHUAYS
BATH
1. 496-04
1.536-04
7.116-05
4.496-06
3.636-06
1.756-07
4.446-05
1.53E-05
8.246-06
1.286-06
2.16E-07
[Dose (mrem/yr)]
ON FOOD BIOUAS
mmmmmmmmmmmmmmmmmm
3.206-01 1.076*00
3.236-01 1.806*00
3.206-01
3.946-04
8.906-06
1.076*00
1.326-03
2.976-05
[Dose (mrem/yr)]
ON FOOD BIOUAS
8.026-01
8.056-01
8.026-01
2.606-05
2.686*00
2.696*00
2.686*00
7.706-05
[Dose (mrem/yr)]
ON FOOD BIOUAS
0.006*00
0.006*00

0.006*00
0.006*00

[Dose (mrem/yr)]
ON FOOD BIOUAS
2. 276-02
2.276-02
1.036-02
1.236-03
6.496-04
2.016-04
6.476-03
3.806-03
0.006*00
0.006*00
0.006*00
7.566-02
7.576-02
3.456-02
4.096-03
2.166-03
6.696-04
2.156-02
1.276-02
0.006*00
0.006*00
0.006*00
[Dose (mrem/yr)]
ON FOOD BIOUAS
9.016-02
9.02E-02
4. 106-02
4.876-03
2.576-03
7.966-04
2.576-02
1.516-02
0.006*00
0.006*00
0.006*00
3.006-01
3.006-01
1.376-01
1.626-02
8.586-03
2.666-03
8.546-02
5.036-02
0.006*00
0.006*00
0.006*00
GAMMA
mmmmmmmmm
1.246*01
1 .246*01
1.246*01
9.856-04
8.476-04
GAMMA
1.076*01
1 .076*01
1.076*01
2.196-03
DUST
•mmmmmmmmm
2.406-02
3.156-02
2.406-02
7.586-07
0.006*00
DUST
8.096-03
1.076-02
8.096-03
7.976-07
GAMMA DUST
1.806-01 1.566-04
1.816-01 1.616-04
1.596-01
1.896-02
1.936-03
0.006*00
GAMMA
8.946-01
8.946-01
4.636-01
5.486-02
5.616-03
O.OOE+00
2.916-01
8.036-02
1.136-08
1.746-09
2.956-10
GAMMA
5.366+00
5.366+00
2.786*00
3.286-01
3.366-02
0.006*00
1.746*00
4.816-01
6.766-08
1.056-08
1.776-09
1.456-04
7.696-06
1.926-06
1.416-06
DUST
5.256-02
5.336-02
0.006*00
0.006+00
0.006*00
0.006*00
0.006*00
0.006*00
4.456-02
6.926-03
1.176-03
DUST
2.086-01
2.116-01
0.006*00
0.006*00
0.006*00
0.006*00
0.006*00
0.006+00
1.766-01
2.746-02
4.636-03
ATMOS
1.556-06
2.056-06
1.556-06
4.916-11
0.006+00
ATMOS
immmmmmmmm
1.336-06
1.756-06
1.336-06
1.306-10
ATMOS
1.00E-09
1.086-09
9.326-10
5.026-11
2.136-11
1. 096-12
ATMOS
7.846-06
8.046-06
O.OOE+00
0.006+00
O.OOE+00
O.OOE+00
0.006+00
O.OOE+00
6.636-06
1.036-06
1.756-07
ATMOS
2.52E-26
2.576-26
0.006+00
0.006+00
0.006+00
O.OOE+00
0.006+00
0.006+00
2.136-26
3.306-27
5.576-28
mm
8MAX
1.24E+01
1.24E+01
1.24E+01
1.32E-03
8.47E-04
3MAX
•••••xzzs
1.07E+01
1.07E+01
1.07E+01
2.19E-03
8MAX
1.80E-01
1.81E-01
1.59E-01
1.89E-02
1.93E-03
3.366-06
A
8.9^^i
8.94E-01
4.63E-01
5.48E-02
5.61E-03
6.69E-04
2.91E-01
8.03E-02
4.45E-02
6.92E-03
1.17E-03
3MAX
nnmnmmmmmn
5.36E+00
5.366+00
2.786+00
3.286-01
3.366-02
2.666-03
1.746+00
4.816-01
1.766-01
2.746-02
4.636-03
 Note:   "ACTUAL  Total"  represents  the maxinun CPG dose  for 40 nuclides.
        "BRC  total"  represents  the maximum CPG dose  for the top three nuclides.
                                                                                                  September 1987
                                                   D-6

-------
                                                     Table D-1  (continued)
                                                                                          Page 3
HI
6 PURHU-MD
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIQO
I-BIOUAST
1-LQSCNVL
M-LOTRASH
N-LOUASTE
P-CONORSN
P-COTRASH
L-WASTOR
HI
SRC total
ACTUAL Total
PATHWAYS [Dose (mrm/yr)]
CU - R CU - W SPILL EROS BATH ON FOOD BIOWAS GAMMA DUST ATMOS 3MAX
9.50E-07 3.75E-02 1.43E-03 1.92E-06 2.42E-04 2.36E-01 7.91E-01 S.76E+00 1.62E-02 8.90E-07 8.76E+00
9.50E-07 3. 756-02 1.59E-03 2.03E-06 2.48E-04 2.43E-01 8.13E-01 8.76E+00 2. 146-02 1.20E-06 8.76E+00
2. 866-07 1.12E-02 6.876-05 1.216-07 6. 986-05 1.436-02 4. 786-02 3.33E-01 1.666-04 9.166-09 3.33E-01
1.74E-08 6.80E-04 8.096-06 7.38E-09 4.30E-06 1.69E-03 5.63E-03 3.916-02 0.006+00 O.OOE+00 3.91E-02
1.47E-08 1.47E-08 2.48E-06 6.26E-09 3.61E-06 7.266-04 2.436-03 4.076-03 0.006+00 0.006+00 4.07E-Q3
7.336-10 2.876*05 O.OOE+00 3.116-10 1.776-07 0.006+00 0.006+00 0.006+00 0.006+00 0.006+00 2.876-05
8.946-08 3.506-03 2.16E-OS 3.80E-08 2.196-05 4.476-03 1.496-02 1.046-01 5.236-05 2.886-09 1.046-01
3.036-08 1.196-03 8.006-06 1.296-08 7.446-06 1.936-03 6.446-03 2.886-02 0.006+00 O.OOE+00 2.88E-02
3.936-12 1.606-07 8.766-07 2.366-11 1.576-08 2.626-04 8.786-04 6.566-04 5.046-07 2.786-11 8.78E-04
5.116-07 2.096-02 1.32E-03 1.746-06 1.356-04 2.136-01 7.136-01 8.256+00 1.596-02 8.78E-07 8.25E+00
O.OOE+00 O.OOE+00 6.226-08 O.OOE+00 3.656-10 5.946-06 1.986-05 5.63E-04 O.OOE+00 0.006+00 5.63E-04
PATHWAYS [Dos* (mrem/yr)l
GW - * CW • W SPILL EROS BATH ON FOOD BIOWAS GAMMA DUST ATMOS MAX
1.796-08 7.37E-04 5.89E-05 2.74E-06 1.526-05 1.246-04 4.156-04 2.426-02 1.286-01 6.666-06 1.28E-01
1.796-08 7.376-04 5.896-05 2.746-06 1.526-05 1.246-04 4.156-04 2.426-02 1.286-01 6.666-06 1.286-01
U-PROC6SS
1.796-08 7.376-04 5.896-05 2.74E-06 1.526-05 1.24E-04 4.156-04 2.426-02 1.286-01 6.666-06 1.28E-01
HI
8  UF-MD
  BRC total
  ACTUAL Total

N-SSTRASH
N-SSUASTE
                  GW
          GW
SPILL    EROS
PATHWAYS [Dose (flirem/yr)]
  BATH    ON FOOD  BIOWAS
                                                                                 GAMMA
                                                                          DUST
                                                               ATMOS
                                                                                            8MAX
5.526-09 2.276-04 1.826-05 8.46E-07 4.686-06 3.846-05 1.286-04
5.526-09 2.276-04 1.826-05 8.466-07 4.686-06 3.836-05 1.286-04
                                           4.896-03 3.886-02 1.096-05 3.88E-02
                                           4.896-03 3.886-02 1.096-05 3.88E-02
1.256-09 5.136-05 4.106-06 1.916-07 1.06E-06 8.666-06 2.896-05
4.286-09 1.756-04 1.416-05 6.556-07 3.626-06 2.976-05 9.906-05
                                           1.106-03 8.756-03 2.466-06 8.75E-02
                                           3.796-03 3.01E-02 8.44E-06 3.01E-02
Note:  "ACTUAL Total" represents the maxtnun CPG dose for 40 nuclides.
       "BRC total" represents the maxinun CPG dose for the top three nuclides.
                                                                                                  September 1987
                                                   D-7

-------
                                                    Table 0-1  (continued)
Page 4
HI
9 LURO-ON
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIOD
I-BIOWAST
I-LQSCNVL
HI
10 LMACW-SI
BRC total
ACTUAL Total
I-COTRASH
P-COTRASH
I-ABSLIQO
I-3IOUAST
I-LQSCNVL
N-LOTRASH
N-LOWASTE
P-CONDRSN
L-WASTOIL
C-TIMEPCS
C-SMOKDET
HI
11 LMACW-UI
BRC total
ACTUAL Total
I-COTRASH
P-COTRASH
I-ABSLIQO
I-BIOWAST
I-LOSCNVL
N-LOTRASH
N-LOWASTE
P-CONDRSN
L-WASTOIL
C-TIMEPCS
C-SMOKDET
GW • R
mmmmmmnm*
1.08E-06
1.08E-06
9.69E-07
S.93E-08
4.95E-08
2.47E-09
GW • W
5.35E-01
5.35E-01
4.80E-01
2.94E-02
2.45E-02
1.22E-03
GW - « GW - W
******************
1.34E-06 1.14E-01
1.34E-06 1.14E-01
4.08E-07
7.17E-07
2.50E-08
2.08E-08
1.046-09
1.286-07
4.33E-08
4.75E-12
O.OOE+00
O.OOE+00
O.OOE+00
GU • R
MB BBiBBfB.
8.46E-07
8.46E-07
3.57E-07
2.98E-07
2.196-08
1.826-08
9. 116-10
1.12E-07
3.79E-08
1.98E-12
O.OOE+00
O.OOE+00
3.72E-10
3.40E-02
6.16E-02
2.08E-03
1.73E-03
8.666-05
1.06E-02
3.60E-03
4.07E-07
O.OOE+00
O.OOE+00
O.OOE+00
GW • W
*********!
1.196-02
1.19E-02
4.88E-03
4.42E-03
2.99E-04
2.49E-04
1.24E-05
1.53E-03
5.17E-04
2.93E-08
O.OOE+00
O.OOE+00
5.526-06
SPILL
1.25E-05
1.42E-05
1.06E-05
1.25E-06
5.06E-07
1.83E-07
SPILL
6.066-04
6.906-04
9.44E-05
4.56E-04
1.126-05
3.316-06
O.OOE+00
2.95E-05
1.09E-05
2.94E-07
2.18E-08
O.OOE+00
O.OOE+00
SPILL
*********
7.576-04
9.04E-04
2.10E-04
4.09E-04
2.50E-05
9.95E-06
3.51E-06
6.58E-OS
3.36E-05
2.30E-07
2.18E-08
O.OOE+00
O.OOE+00
EROS
6.44E-08
6.44E-08
5.78E-08
3.52E-09
2.94E-09
1.476-10
6ROS
*********
1.916-06
2.07E-06
1.21E-07
1.72E-06
7.41E-09
6.18E-09
3.09E-10
3.78E-08
1.28E-08
2.31E-11
O.OOE+00
O.OOE+00
O.OOE+00
EROS
2.14E-06
2.50E-06
2.55E-07
1.486-06
1.48E-08
1.23E-08
6.16E-10
7.966-08
2.S6E-08
6.41E-11
O.OOE+00
O.OOE+00
2.75E-07
PATHWAYS
BATH
*********
8.866-05
8.88E-05
7.92E-05
S.03E-06
4.10E-06
2.796-07
PATHWAYS
BATH
2.356-04
2.416-04
7.116-05
1,266-04
4.296-06
3.636-06
1.75E-07
2.226-05
7.62E-06
1.056-08
2.406-10
O.OOE+00
O.OOE+00
PATHWAYS
BATH
3.436-04
3.54E-04
1.426-04
1.256-04
8.986-06
7.256-06
3.506-07
4.436-05
1.476-05
1.05E-08
2.40E-10
O.OOE+00
O.OOE+00
[Dose (mrem/yr)]
ON FOOD BIOWAS
O.OOE+00
O.OOE+00

O.OOE+00
O.OOE+00

tDos* (wem/yr)]
ON FOOD BIOWAS
1.986-01
2.0SE-01
4.006-02
1.306-01
4.746-03
2.536-03
7.636-04
1.256-02
7.366-03
1.656-04
3.406-06
0.006+00
0.006+00
6.616-01
6.846-01
1.346-01
4.346-01
1.596-02
8.44E-03
2.54E-03
4.186-02
2.466-02
5.516-04
1.146-05
O.OOE+00
O.OOE+00
(Dose (Mrem/yr)]
ON FOOD BIOWAS
O.OOE+00
O.OOE+00

O.OOE+00
O.OOE+00

CAMMA
1.55E-01
1.55E-01
1.376-01
1.63E-02
1.41E-03
O.OOE+00
GAMMA
2.15E+01
2.14E+01
2.776+00
1.72E+01
3.28E-01
3.356-02
0.006+00
8.686-01
2.416-01
1.37E-03
1.17E-03
O.OOE+00
O.OOE+00
GAMMA
4.446+00
4.44E+00
9.586-01
2.97E+00
1.136-01
1.16E-02
O.OOE+00
3.00E-01
8.30E-02
2.36E-04
2.03E-04
O.OOE+00
O.OOE+00
DUST
7.39E-03
7.62E-03
6.87E-03
3.64E-04
9.09E-05
6.69E-OS
DUST
3.03E-02
3.85E-02
1.566-03
2.116-02
7.616-05
6.56E-06
O.OOE+00
4.906-04
5.426-05
6.086-07
2.83E-07
O.OOE+00
6.966-03
DUST
*********
1.116-02
1.26E-02
S.39E-04
3.64E-03
2.63E-05
2.26E-06
O.OOE+00
1.69E-04
1.87E-05
1.05E-07
4.88E-08
O.OOE+00
6. TOE -03
ATMOS
9m*******
1.54E-06
1.62E-06
1.40E-06
1.10E-07
3.21E-08
1.65E-09
ATMOS
1.2E-27
1.29E-27
4.95E-29
6.68E-28
2.41E-30
2.08E-31
O.OOE+00
1.55E-29
1.72E-30
1.92E-32
8.95E-33
2.20E-2B
2.20E-28
ATMOS
2.96E-22
3.56E-22
2.27E-23
7.15E-23
1.22E-24
5.06E-25
2.57E-26
7.11E-24
1.42E-24
2.37E-27
1.26E-27
1.85E-23
1.73E-22
ft
5.35E-01
4.80E-01
2.94E-02
2.45E-02
1.22E-03
3MAX
2.15E+01
2.KE+01
2.77E+00
1.72E+01
3.28E-01
3.35E-Q2
2.54E-03
8.68E-01
2.41E-01
1.37E-03
1.17E-03
2.20E-28
6.96E-03
3MAX
»'
1
2.97E+00
1.13E-01
1.16E-02
1.24E-05
3.00E-Q1
8.30E-02
2.36E-04
2.03E-04
1.85E-23
6.70E-03
Note:  "ACTUAL Total" represent* the maxinun CPG dose  for 40 nuclides.
       "BRC total" represents th* Msxieui CPG dose  for the top three nuclfdes.
                                                                                                 September 1987
                                                  D-8

-------
                                                     Table D-1 (continued)
                                                                                                            Page 5
                                                     PATHWAYS (Dose (mrem/yr)]
HI                GW - R   GU • W    SPILL    EROS     BATH    ON FOOD  BIOUAS
12 CW • S F         mmmmmmmmmm*mmm*mmm**mm**m*mmmmmm****mmmmmmm*mmf»mm**mmmmm*mmmm>
  BRC total      6.51E-11 9.32E-07 2.64E-05 5.11E-08 1.52E-06 1.33E-05 4.45E-05
  ACTUAL Total   6.51E-11 9.32E-07 2.64E-05 5.11E-08. 1.52E-06 1.33E-05 4.45E-05
                                                                                           DUST
                                               ATMOS
                                                                                                             3HAX
                                                                                3.866-06 1.75E-03 2.74E-10 1.75E-03
                                                                                3.86E-06 1.75E-03 2.74E-10 1.75E-03
C-TIMEPCS
C-SMOKDET
HI
13 CW-UF
BRC total
ACTUAL Total
C-TIMEPCS
C-SMOKDET
HI
14 LURO-ON*
BRC total
ACTUAL Total
BIOMED *
O.OOE+00
6.51E-11
' GW - R
1.51E-10
1.51E-10
O.OOE+00
1.51E-10
GW - R
O.OOE+00
O.OOE+00

O.OOE+00
9.32E-07
GW • U
3.75E-07
3.75E-07
O.OOE+00'
3.75E-07
GW • U
O.OOE+00
O.OOE+00

2.38E-05
2.57E-06
SPILL
1.44E-04
1.44E-04
1.30E-04
1.UE-05
SPILL
O.OOE+00
O.OOE+00

O.OOE+00
5.11E-08
EROS
2.86E-07
2.86E-07
O.OOE+00
2.86E-07
EROS
O.OOE+00
O.OOE+00

5.20E-07
1.00E-06
PATHWAYS
BATH
imrnmmmmmrnt
8.45E-06
8.45E-06
2.83E-06
5.62E-06
PATHWAYS
BATH
tmmmmmmmmi
O.OOE+00
O.OOE+00

O.OOE+00
1.33E-05
O.OOE+00
4.4SE-OS
Dose (mrem/yr)]
ON FOOD BIOWAS
O.OOE+00
O.OOE+00

O.OOE+00
O.OOE+00

Dose (mrem/yr)]
ON FOOD BIOWAS
fmmmmmmmmmmummmmmmt
O.OOE+00 O.OOE+00
O.OOE+00 O.OOE+00


O.OOE+00
3.86E-06
GAMMA
3.73E-06
3.73E-06
O.OOE+00
3.73E-06
GAMMA
O.OOE+00
O.OOE+00

5.09E-07
1.75E-03
DUST
1.69E-03
1.69E-03
4.79E-07
1.69E-03
DUST
O.OOE+00
O.OOE+00

2.60E-11
2.48E-10
ATMOS
3.57E-10
3.57E-10
3.30E-11
3.24E-10
ATMOS
tmmmmmmxml
3.92E-07
3.92E-07
3.92E-07
2.38E-05
1.75E-03
9MAX
1.69E-03
1.69E-03
1.30E-04
1.69E-03
9MAX
3.92E-07
3.92E-07
3.92E-07
                  GU
                           GW
                                     SPILL
                                              EROS
PATHWAYS (Dose (mrem/yr)]
  BATH    ON FOOD  BIOUAS
HI
15 LURO-ON"
  BRC total      1.83E-OS 9.06E+00 2.24E-05 1.09E-06 1.44E-03 O.OOE+00 O.OOE+00
  ACTUAL Total   1.83E-05 9.06E+00 2.24E-05 1.09E-06 1.UE-03 O.OOE+00 O.OOE+00
                                                                                           DUST
ATMOS
8MAX
                                                                                O.OOE+00 3.77E-06 1.96E-07 9.06E+00
                                                                                O.OOE+00 3.77E-06 1.96E-07 9.06E+00
BIOMED
                 1.83E-OS 9.06E+00 2.24E-05 1.09E-06 1.44E-03
                                    3.77E-06 1.96E-07 9.06E+00
Note:  "ACTUAL Total" represents the maximum CPG dose for 40 nuclides.
       "BRC total" represents the maximal) CPG dose for the top three nuclides.
                                                                                                  September  1987
                                                   D-9

-------
                                                    Table 0-1 (continued)
                                                                                 Page 6
Maxinun HP
4.076+01
5.75E-02
4.766-01 1.59E+00 2.15E*01  2.08E-01  2.36E-OS
HP
BRC total
ACTUAL Total
P-COTRASH
P-CONDRSN
L-UASTOIL
HP
•WHO
BRC total
ACTUAL Total
B-COTRASH
L-UASTOIL
HP
BRC total
ACTUAL Total
I-COTRASH
t-ABSLIOO
I-BIOUAST
I-LQSCNVL
HP
BRC total
ACTUAL Total
•COTRASH
-ABSLIQO
•BIOUAST
•LOSCMVL
•LOTRASH
•LOUASTE
•PROCESS
•COTRASH
•NCTRASH
HP
5MACf».et
BRC total
ACTUAL Total
I-COTRASH
I -ABSLIQO
I -BIOUAST
1-LOSCNVL
N- LOTRASH
N- LOUASTE
F- PROCESS
F- COTRASH
F- NCTRASH
GU - R GU • U
O.OOE+00 1.82E-01
1.82E-01
1.82E-01
3.136-06
0.006+00
GU - R GU • U
0.006+00 3.456-01
3.456-01
3.456-01
0.006+00
GU • R . GU • U
O.OOE+00 3.31E-02
3.31E-02
1.97E-02
7.18E-03
5.996-03
3.03E-04
GU • R GU • W
O.OOE+00 1.25E+00
1 .25E+00
6.40E-01
3.91E-02
3.27E-02
1.66E-03
4.00E-01
1.36E-01
5.66E-04
8.81E-05
1.49E-05
GU - R GU • U
O.OOE+00 1.56E+00
1.56E+00
7.98E-01
4.89E-02
4.07E-02
2.05E-03
4.99E-01
1. 706-01
2.96E-03
4.61E-04
7.786-05
SPILL
O.OOE+00

SPILL
O.OOE+00

SPILL
O.OOE+00

SPILL
O.OOE+00

SPILL
O.OOE+00

PATHUAYS [Dose (mrem/yr)] ^ |
EROS BATH ON FOOD BIOUAS GAMMA DUST ATMOS 3MAX
3.21E-03 O.OOE+00 1.90E-01 6.34E-01 1.24E+01 2.40E-02 3.37E-06 1.24E+01
3.26E-03 1.93E-01 6.42E-01 1.24E+01 3.15E-02 4.44E-06 1.24E+01
3.21E-03 1.90E-01 6.33E-01 1.24E+01 2.40E-02 3.37E-06 1.24E+01
4.73E-08 2.34E-04 7.79E-04 9.85E-04 7.58E-07 1.076-10 9.85E-04
O.OOE+00 5.28E-06 1.76E-05 8.476-04 O.OOE+00 O.OOE+00 8.47E-04
PATHUAYS [Dose (mrem/yr)]
EROS BATH ON FOOD BIOUAS GAMMA OUST ATMOS 9MAX
1.B5E-03 O.OOE+00 4.76E-01 1.59E+00 1.07E+01 8.09E-03 2.88E-06 1.07E+01
1.91E-03 4. 766-01 1.596+00 1.07E+01 1.07E-02 3.80E-06 1.07E+01
1.85E-03 4.766-01 1.S96+00 1.07E+01 8.096-03 2.88E-06 1.07E+01
O.OOE+00 1.37E-OS 4. 566-05 2.19E-03 7.97E-07 2.84E-10 2.19E-03
PATHUAYS tDoae (mrem/yr)]
EROS BATH ON FOOD BIOUAS GAMMA DUST ATMOS 8MAX
1.74E-03 O.OOE+00 O.OOE+00 O.OOE+00 1.80E-01 1.566-04 2.18E-09 1.80E-01
1.75E-03 O.OOE+00 O.OOE+00 1.81E-01 1.61E-04 2.34E-09 1.81E-01
1.57E-03 1.S9E-01 1.45E-04 2.02E-09 1.59E-01
9.SOE-05 1.896-02 7.696-06 1.09E-10 1.89E-02
7.92E-05 1.93E-03 1.92E-06 4.646-11 5.996-03
3.966-06 O.OOE+00 1:416-06 2.386-12 3.03E-04
PATHUAYS CDo»e (mrem/yr)} ^^ \
EROS BATH ON FOOD BIOUAS GAMMA DUST ATMOS ^^^
S.50E-03 O.OOE+00 1.38E-02 4.61E-02 8.94E-01 5.25E-02 1. TOE-OS 1.25E-uO
5.506-03 1.386-02 4.626-02 8.946-01 5.336-02 1.746-05 1.25E+00
7.73E-04 6.24E-03 2.086-02 4.63E-01 O.OOE+00 O.OOE+00 6.40E-01
4.74E-05 7.39E-04 2.476-03 5.486-02 0.006+00 O.OOE+00 5.486-02
3.956-05 4.04E-04 1.35E-03 S.61E-03 O.OOE+00 O.OOE+00 3.27E-02
4.74E-OS 1.426-04 4.756-04 0.006+00 0.006+00 0.006+00 1.666-03
4.846-04 3.89E-03 1.306-02 2.91E-01 O.OOE+00 O.OOE+00 4.00E-01
1.64E-04 2.40E-03 8.01E-03 8.03E-02 O.OOE+00 O.OOE+00 1.36E-01
3.346-03 O.OOE+00 O.OOE+00 1.13E-08 4.45E-02 1.44E-05 4.45E-02
5.196-04 0.006+00 O.OOE+00 1.746-09 6.92E-03 2.24E-06 6.92E-03
8.776-05 0.006+00 O.OOE+00 2.956-10 1.176-03 3.78E-07 1.17E-03
PATHUAYS [Dose (mrem/yr)]
EROS BATH ON FOOD BIOUAS GAMMA DUST ATMOS 9MAX
4.326-03 O.OOE+00 5.506-02 1.836-01 5.36E+00 2.086-01 0.006+00 5.366+00
4.486-03 5.506-02 1.83E-01 5.366+00 2.116-01 0.006+00 5.366+00
1.946-04 2.486-02 8.266-02 2.786+00 0.006+00 2.78E+00
1.196-05 2.946-03 9.796-03 3.286-01 0.006+00 3.286-01
9.896-06 1.616-03 5.366-03 3.366-02 0.006+00 4.076-02
4.946-07 5.676-04 1.89E-03 O.OOE+00 O.OOE+00 . 2.056-03
1.216-04 1.556-02 5.166-02 1.746+00 0.006+00 1.746+00
4.116-05 9.546-03 3.186-02 4.816-01 0;006+00 4.816-01
3.346-03 0.006+00 O.OOE+00 6.766-08 1.76E-01 1.766-01
5.186-04 O.OOE+00 O.OOE+00 1.056-08 2.746-02 2.746-02
8.756-05 O.OOE+00 O.OOE+00 1.776-09 4,636-03 4.63E-Q3
 Note:   "ACTUAL  Total"  represents  the meximun CPG dose for 40 nuclides.
        "BRC  total"  represents  the maximum CPG dose for the top three nuclides.
                                                                                                  September 1
                                                   D-10

-------
                                                   Table 0-1 (continued)
Page 'i
                                                   PATHWAYS IDose (mrcm/yr)]
HP
6 PWRHU-MD
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIQO
I-B10WAST
I-LQSCNVL
N-LOTRASH
N-LOUASTE
P-CONORSN
P-COTRASH
L-UASTOIL
HP
BRC total
ACTUAL Total
U- PROCESS

HP
Ur-HP
BRC total
ACTUAL Total
N-SSTRASH
N-SSUASJE
GU - R GU • U
O.OOE+00 8.58E-01
8.58E-01
A.80E-01
2.93E-02
2.48E-02
1.26E-03
1.51E-01
5.10E-02
2.09E-06
1.21E-01
O.OOE+00
GU - R GW - U
O.OOE+00 2.46E-03
2.46E-03
2.46E-03

GU • R GU • U
O.OOE+00 7.57E-04
7.57E-04
1.71E-0*
5.866-04
SPILL EROS
O.OOE+00 2.34E-03
2.47E-03
1.95E-04
1.18E-05
1.00E-05
4.99E-07
6.09E-05
2.06E-05
2.84E-08
2.04E-03
O.OOE+00
SPILL EROS
O.OOE+00 3.55E-03
3.55E-03
3.55E-03

SPILL EROS
O.OOE+00 1. 096-03
1.09E-03
2.47E-04
8.46E-04
BATH ON FOOD BIOUAS GAMMA OUST ATMOS 8MAX
O.OOE+00 1.41E-01 4.68E-01 8.76E+00 1.62E-02 1.93E-06 8.76E+I
1.45E-01 4.ME-01 8.76E+00 2.UE-02 2.60E-06 8.76E+I
8.41E-03 2.81E-02 3.33E-01 1.666-04 2.00E-08 4.80E-I
9.91E-04 3.32E-03 3.91E-02 O.OOE+00 O.OOE+00 3.91E-I
4.26E-04 1.43E-03 4.07E-03 O.OOE+00 O.OOE+00 2.48E-
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 1.26E-
2.63E-03 8.60E-03 1.04E-01 5.23E-05 6.2BE-09 1.51E-
1.14E-03 3.79E-03 2.88E-02 O.OOE+00 O.OOE+00 5.10E-
1.56E-04 5.19E-04 6.56E-04 S.04E-07 6.03E-11 6.56E-
1.27E-01 4.22E-01 8.25E+00 1.59E-02 1.91E-06 8.25E+I
3.52E-06 1.17E-05 5.63E-04 O.OOE+00 O.OOE+00 5.63E-I
PATHWAYS CDoae (mrem/yr)]
BATH ON FOOD BIOUAS GAMMA OUST ATMOS 3MAX
O.OOE+00 1.14E-04 3.82E-04 2.42E-02 1.28E-01 1.4SE-OS 1.28E-I
1.14E-04 3.82E-04 2.42E-02 1.28E-01 1.45E-05 1.28E-1
1.14E-04 3.82E-04 2.42E-02 1.28E-01 1.45E-05 1.28E-C
PATHWAYS CDoa* (uran/yr))
BATH ON FOOD BIOUAS GAMMA DUST ATMOS 9MAX
O.OOE+00 3.S3E-OS 1.18E-04 4.89E-03 3.88E-02 2.36E-05 3.88E-C
3.53E-05 1.18E-04 4.89E-03 3.88E-02 2.36E-05 3.88E-C
7.98E-06 2.65E-05 1.10E-03 8.75E-03 5.33E-06 8.75E-0
2.73E-05 9.11E-05 3.79E-03 3.01E-02 1.83E-05 3.01E-0
Not*:  "ACTUAL Total"  reprMent* the maxinun CPG dote for 40 nuctfde*.
       "BRC total" repre»ent» tht maximun CPG doce for the  top three nucHde*.
                                                                                               Septenter 1987
                                                 D-ll

-------
                                                    Table D-1  (continued)
                                                                                         Page 8
                                                    PATHWAYS [Dose (mrem/yr)]
HP
91 1 IDn . ^1
LUKU Wl
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIOO
I-8IOUAST
I-LQSCNVL

HP
in 1 UASMJ. CT
1U LnAbW'SI
BRC total
ACTUAL Total
I-COTRASH
P-COTRASH
I-ABSLIQO
I-BIOWAST
I-LOSCNVL
N-LOTRASH
N-LOWAST6
P-CONORSN
L-WASTOIL
C-TIMEPCS
C-SMOKDET
GW • R GW • W SPILL
O.OOE+00 2.65E+00 0.006*00
2.656*00
2.386*00
1.466-01
1.216-01
6.166-03

GW • R GW • W SPILL
O.OOE+00 1.376+00 0.006+00
1 .376*00
7.916-01
1.206-01
4.856-02
4.046-02
2.046-03
2.486-01
8.396-02
1.286-06
0.006*00
4.136-02
0.006*00
6ROS
1.036-04
1.036-04
9.27E-05
5.666-06
4.726-06
2.366-07

6ROS
2.326-03
2.526-03
1.936-04
2.026-03
1.18E-OS
9.886-06
4. 936 -07
6.05E-05
2.056-05
2.786-08
0.006*00
O.OOE+00
O.OOE+00
BATH ON FOOD BIOWAS GAMMA DUST ATMOS ^^A
0.006*00 0.006*00 0.006*00 1.556-01 7.396-03 3.286-06 ^1^00
O.OOE+00 O.OOE+00 1.556-01 7.626-03 3.52E-06 2.65E+00
1.376-01 6.876-03 3.046-06 2.38E+00
1.636-02 3.64E-04 1.64E-07 1.46E-01
1.416-03 9.09E-05 6.986-08 1.21E-01
O.OOE+00 6.696-05 3.58E-09 6.16E-03
PATHWAYS [Dose (mrem/yr)]
BATH ON FOOD BIOWAS GAMMA DUST ATMOS WAX
O.OOE+00 1.18E-01 3.956-01 2.156*01 3.036-02 0.80E+00 2.15E+01
1.236-01 4.106-01 2.146*01 3.856-02 0.006*00 2.14E+01
2.416-02 8.056-02 2.776+00 1.566-03 2.77E+00
7.706-02 2.576-01 1.726+01 2.116-02 1.72E+01
2.866-03 9.536-03 3.286-01 7.616-05 3.28E-01
1.58E-03 5.256-03 3.356-02 6.566-06 4.04E-02
5.406-04 1.806-03 0.006+00 0.006*00 2.04E-03
7.546-03 2.516-02 8.666-01 4.906-04 8.68E-01
4.646-03 1.556-02 2.416-01 5.426-05 2.41E-01
9.786-05 3.266-04 1.376-03 6.086-07 1.37E-03
2.00E-06 6.69E-06 1.176-03 2.83E-07 1.17E-03
O.OOE+00 O.OOE+00 0.006*00 0.006*00 4.13E-02
O.OOE+00 O.OOE+00 0.006*00 6.966-03 6.96E-03
HP
11 LMACW-UI
  BRC total
  ACTUAL Total

I-COTRASH
P-COTRASH
I-ABSLIOO
I-BIOWAST
I-LOSCNVL
N-LOTRASH
N-LOWASTE
P-CONDRSN
L-WASTOIL
C-TIMEPCS
C-SMOKDET
                  CU
GW
                                     SPILL
                             EROS
PATHWAYS [Dose (wem/yDl
  BATH    ON FOOD  BIOWAS
                                                                                          OUST
ATMOS
                                                                                           3MAX
O.OOE+00 5.726-01 O.OOE+00 2.73E-03  O.OOE+00  O.OOE+00 0.006*00 4.446*00 1.116-02 O.OOE+00
         5.72E-01          3.10E-03           O.OOE+00 O.OOE+00 4.44E+00 1.26E-02 O.OOE+00
3.34E-01
3.156-02
2.046-02
1.716-02
8.586-04
1.04E-01
3.546-02
3.086-07
O.OOE+00
2.81E-02
O.OOE+00
4.03E-04
1.79E-03
2.37E-05
1.98E-05
9.886-07
1.266-04
4.116-05
2.916-08
0.006+00
O.OOE+00
3.326-04
9.58E-01 5.39E-04
2.976+00 3.64E-03
1.13E-01 2.63E-05
. 1.166-02 2.266-06
0.006+00 O.OOE+00
3.006-01 1. 696-04
8.306-02 1.876-05
2.366-04 1.056-07
2.036-04 4.88E-08
O.OOE+00 O.OOE+00
O.OOE+00 6.706-03
" 9^^1
2.976+00
1.13E-01
1.71E-02
8.58E-04
3.00E-01
8.30E-02
2.36E-04
2.03E-04
2.816-02
6.70E-03
Note:  "ACTUAL Total" represents the Mxinun CPG dose for 40 nuelides.
       "BRC total" represents the Mxinun CPG dose for the  top  three nuelides.
                                                                                                 September 1987
                                                   D-12

-------
                                                     Table D-1  (continued)
                 Page 9
                                                     PATHWAYS CDote (mr«m/yr)]
HP                GU -  R   GU - U    SPILL    EROS .    BATH    ON FOOD  BIOUAS
12 CW-SF         mnn**xmmm*mm*m************a***x****x*****nmm*mm***:
DUST
ATHOS    8MAX
BRC total
ACTUAL Total
C-TIMEPCS
C-SMOKDET
HP
13 CU*UF
BRC total
ACTUAL Total
C-TIMEPCS
C-SMOKOET
HP
BRC total
ACTUAL Total
BIOMED *
HP
15 LURO-ON"*
BRC total
ACTUAL Total
BIOMEO *
O.OOE*00 4.26E-02
4.26E-02
4.25E-02
6.34E-05
CW - R GW • W
O.OOE+00 1.66E-02
1.66E-02
1.66E-02
2.65E-05
GW • R GW • W
O.OOE+00 O.OOE+00
O.OOE+00

GW - R GW • W
mmmnnmmmmmmummmmmi
O.OOE+00 4.07E+01
4.07E+01
4.07E+01
O.OOE+00 6.18E-05 O.OOE+00 1.36E-05 4.55E-05 3.86E-06 1.75E-03 5.95E-10 4.26E-0;
6.18E-05 1.36E-05 4.55E-05 3.86E-06 1.7SE-03 5.95E-10 4.26E-0;
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 5.09E-07 5.65E-11 4.25E-0;
6.18E-05 1.36E-05 4.55E-05 3.86E-06 1.75E-03 5.38E-10 1.75E-0:
PATHWAYS CDote (mpem/yr)]
SPILL EROS BATH ON FOOD BIOUAS GAMMA OUST ATMOS 8MAX
O.OOE+00 3.46E-04 O.OOE+00 O.OOE+00 O.OOE+00 3.73E-06 1.69E-03 7.75E-10 1.66E-0;
3.46E-04 O.OOE+00 O.OOE+00 3.73E-06 1.69E-03 7.75E-10 1.66E-0;
O.OOE+00 O.OOE+00 4.77E-07 7.17E-11 1.66E-0;
3.46E-04 3.73E-06 1.69E-03 7.03E-10 1.69E-0:
PATHWAYS CDote (mrem/yr)]
SPILL EROS BATH ON FOOD BIOWAS GAMMA OUST ATHOS 8MAX
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 8.51E-07 8.S1E-0
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 8.51E-07 8.51E-0
8.51E-07 8.51E-0
PATHWAYS CDote (mrew/yr)]
SPILL EROS BATH ON FOOD BIOWAS GAMMA DUST ATMOS SHAX
mmmmmmmmmmmmmmmmmm9mmmmmmmmmmmmmmmmmmmmmnmmmmmmmmmmmmmm»mmmmnmmmmmm»mmmm9mmmmmmmi
O.OOE+00 1.74E-03 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 3.77E-06 4.26E-07 4.07E+0
1.74E-03 , O.OOE+00 O.OOE+00 O.OOE+00 3.77E-06 4.25E-07 4.07E+0
1.74E-03 3.77E-06 4.26E-07 4.07E+0
Note:  "ACTUAL Total" represents the maxitiun CPG dose for 40 nuclides.
       "BRC total" represents the maximum CPG dose for the top three nuclides.
                                                                                                  Septenfcer 1987
                                                   D-13

-------
                                                    Table D-1 (continued)
                                                                                 Page  10
Max i nun AP
2.20E-03
6.63E-01 2.22E+00 2.15E+01  2.08E-01  2.67E-05 2.
AP
1 PUR-MD
BRC total
ACTUAL Total
P-COTRASH
P-CONDRSN
L-UASTOIL
AP
2 BUR -MO
BRC total
ACTUAL Total
B-COTRASH
L-UASTOIL
GU • R GU - W
*«**«***«»«*****••«
O.OOE+00 7.35E-04 0
7.35E-04
7.35E-04
4.72E-09
O.OOE+00
GU - R GU • W
mmm*m*mmmnmmmmm»mmm
O.OOE+00 1.69E-03 0
1.69E-03
1.69E-03
O.OOE+00
SPILL EROS
.OOE+00 O.OOE+00
O.OOE+00

SPILL EROS
Mmmmmmmmmmmmmmnmt
.OOE+00 O.OOE+00
O.OOE+00

PATHWAYS
BATH
O.OOE+00

PATHWAYS
BATH
tm»mm*mmmt
O.OOE+00

[Dose (mrem/yr)]
ON FOOD BIOUAS
2.66E-01
2.69E-01
2.65E-01
3.27E-04
7.36E-06
8.85E-01
8.95E-01
8.84E-01
1.09E-03
2.46E-OS
[Dos* (mrem/yr)]
ON FOOD BIOUAS
immm*mmmmmmmmmmmmmi
6.63E-01 2.22E+00
6.66E-01 2.22E+00
6.63E-01
1.90E-05
2.22E+00
6.36E-05
GAMMA
1.24E+01
1 .24E+01
1.24E+01
9.85E-04
8.47E-04
GAMMA
immmmmmmxi
1 .075+01
1.07E+01
1 .076+01
2.19E-03
DUST
2.40E-02
3.1SE-02
2.40E-02
7.58E-07
O.OOE+00

ATMOS
3.80E-06
S.OOE-06
3
1
0
DUST
8.09E-03 3
1.07E-02 4
8.09E-03
7.97E-07
3
3
.80E-06
.20E-10
.OOE+00
ATMOS
•nnna
.24E-06
.28E-06
.24E-06
.19E-10
'I
1
1
1
1
8
B*
1
1
sMHT
.24E+01
.24E+01
.24E+01
.09E-03
.47E-04
9MAX
•**ats*zs
.07E+01
.07E+01
1.07E+01
2.19E-03
AP
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIOD
I-BIOUAST
I-LOSCNVL
GU • R GU • U
O.OOE+00 6.42E-05
6.42E-05
5.76E-05
3.53E-06
2.94E-06
1.47E-07
PATHWAYS [Dose (mrem/yr)]
SPILL EROS BATH ON FOOD BIOUAS GAMMA DUST ATMOS 3MAX
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 1.80E-01 1.S6E-04 2.46E-09 1.80E-01
O.OOE+00 O.OOE+00 O.OOE+00 1.81E-01 1.61E-04 2.64E-09 1.81E-01
1.59E-01 1.45E-04 2.2BE-09 1.59E-01
1.89E-02 7.69E-06 1.23E-10 1.89E-02
1.93E-03 1.92E-06 5.23E-11 1.93E-03
O.OOE+00 1.41E-06 2.68E-12 1.41E-06
AP
4y4ef».ec
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIQO
t- B10U AST
I-LQSCNVL
N-LOTRASH
N-LOUASTE
F- PROCESS
F-COTRASH
F-HCTRASH
AP
SHAFr-CI
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIQO
I-BIOWAST
I-LQSCNVL
N-LOTRASH
N-LOWASTE
F- PROCESS
F-COTRASH
F-NCTRASH
GU • R GU • U SPILL
O.OOE+00 1.96E-W O.OOE+00
1.96E-W
6.92E-05
4.23E-06
3.53E-06
1.76C-07
4.32E-OS
1.47E-05
5.17E-05
8.04E-06
1.36E-06
GU • R GU • W SPILL
O.OOE+00 1.97E-04 O.OOE+00
1.97E-04
4.81E-05
2.94E-06
2.46E-06
1.23E-07
3.01E-05
1.02E-05
8.74E-05
1.36E-05
2.30E-06
PATHWAYS CDose (mrem/yr)]
EROS BATH ON FOOD BIOUAS GAMMA DUST ATMOS JM^
O.OOE+00 O.OOE+00 1.93E-02 6.42E-02 8.94E-01 S.25E-02 1.91E-05 S^^V
O.OOE+00 1.93E-02 6.43E-02 8.94E-01 5.33E-02 1.96E-05 8.9?^
8.73E-03 2.90E-02 4.63E-01 O.OOE+00 O.OOE+00 4.63E-01
1.03E-03 3.UE-03 5.486-02 O.OOE+00 O.OOE+00 5.48E-02
5.63E-04 1.87E-03 5.61E-03 O.OOE+00 O.OOE+00 5.61E-03
1.94E-04 6.48E-04 O.OOE+00 O.OOE+00 O.OOE+00 6.48E-04
5.45E-03 1.82E-02 2.91E-01 O.OOE+00 O.OOE+00 2.91E-01
3.34E-03 1.11E-02 8.03E-02 O.OOE+00 O.OOE+00 8.03E-02
O.OOE+00 O.OOE+00 1.13E-08 4.45E-02 1.62E-OS 4.4SE-02
O.OOE+00 O.OOE+00 1.74E-09 6.92E-03 2.S2E-06 6.92E-03
O.OOE+00 O.OOE+00 2.95E-10 1.17E-03 4.26E-07 1.17E-03
PATHWAYS CDoae (mrem/yr)l
EROS BATH ON FOOD BIOUAS GAMMA DUST ATMOS 3MAX
O.OOE+00 O.OOE+00 7.65E-02 2.56E-01 5.366+00 2.08E-01 4.47E-27 S.36E+00
O.OOE+00 7.66E-02 2.S6E-01 5.36E+00 2.11E-01 4.58E-27 5.36E+00
3.45E-02 1.16E-01 2.78E+00 O.OOE+00 0. OOE+00 2.78E+00
4.09E-03 1.36E-02 3.28E-01 O.OOE+00 O.OOE+00 3.28E-01
2.23E-03 7.44E-03 3.36E-02 O.OOE+00 O.OOE+00 3.36E-02
7.71E-04 2.57E-03 O.OOE+00 O.OOE+00 O.OOE+00 2.57E-03
2.16E-02 7.23E-02 1.74E+00 O.OOE+00 O.OOE+00 1.74E+00
1.32E-02 4.40E-02 4.81E-01 O.OOE+00 O.OOE+00 4.81E-01
O.OOE+00 O.OOE+00 6.38E-08 1.76E-01 3.78E-27 1.76E-01
O.OOE+00 O.OOE+00 1.05E-08 2.74E-02 S.88E-28 2.74E-02
O.OOE+00 O.OOE+00 1.77E-09 4.63E-03 9.94E-29 4.63E-03
 Note:   "ACTUAL  Total"  represents the maxinun CPG dose for 40 nuctides.
        "BRC  total"  represents  the maxinun CPG dose for the top three nucI ides.
                                                                                                  September 1987
                                                   D-14

-------
                                                     Table D-1 (continued)
                                                                                           Page 11
AP
6  PWRHU-HD
  BRC total
  ACTUAL Total

I-COTRASH
I-ABSLIQO
I-BIOUAST
I-LQSCNVL
N-LOTRASH
N-LOUASTE
P-CONDRSN
P-COTRASH
L-WASTOIL
                  GW • R   CW
                                     SPILL
                                              EROS
                                    PATHWAYS [Dose (mrem/yr)]
                                      BATH    ON FOOD  BIOUAS
                                            GAMMA
                                      DUST
ATMOS
3MAX
O.OOE*00 4.69E-OS O.OOE+00 O.OOE+00 O.OOE-00 1.90E-01 6.53E-01 8.766+00 1.62E-02 2.18E-06 8.76E+00
         4.69E-05          O.OOE+00          2.02E-01 6.75E-01 S.76E+00 2.HE-02 2.93E-06 8.76E+00
2.94E-05
1.77E-06
1.52E-06
7.54E-OS
9.20E-06
3.12E-06
8.69E-11
1.81E-06
O.OOE+00
1.18E-02 3.94E-02 3.33E-01 1.66E-04 2.24E-08 3.33E-01
1.39E-03 4.64E-03 3.91E-02 O.OOE+00 O.OOE+00 3.91E-02
6.01E-04 2.00E-03 4.07E-03 O.OOE+00 O.OOE+00 4.07E-03
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 7.S4E-06
3.70E-03 1.24E-02 1.04E-01 5.23E-05 7.04E-09 1.04E-01
1.59E-03 5.31E-03 2.88C-02 O.OOE+00 O.OOE+00 2.88E-02
2.17E-04 7.26E-04 6.78E-11 5.04E-07 6.78E-11 7.26E-04
1.70E-01 5.89E-01 8.2SE+00 1.59E-02 2.15E-06 8.25E+00
4.92E-06 1.64E-05 5.63E-04 O.OOE+00 O.OOE+00 S.63E-04
AP
BRC total
ACTUAL Total
GW •
O.OOE-
R
"00
GW • W
9.26E-OS
9.26E-05
SPILL
O.OOE+00
EROS
O.OOE+00
O.OOE+00
PATHWAYS
BATH
O.OOE+00
tDose (mrtm/yr)}
ON FOOD BIOWAS
1.31E-04 4.37E-04
1.31E-04 4.37E-04
GAMMA
2.65E-03
2.65E-03
DUST
1.28E-01
1.28E-01
ATMOS
1.63E-05 1
1.63E-05 1
3HAX
.28E-01
.28E-01
U-PROCESS
         9.26E-05
                         1.31E-04 4.37E-04 2.65E-03 1.28E-01 1.63E-05 1.28E-01
AP
8  UF-MD
  BRC total
  ACTUAL Total

M-SSTRASH
M-SSWASTE
 GW
          GW
SPILL    EROS
PATHWAYS [Dose (dtrem/yr)]
  BATH    ON FOOD  BIOUAS
                                                                          DUST
ATMOS    8MAX
O.OOE+00 2.85E-05 O.OOE+00 O.OOE+00 O.OOE+00 4.04E-OS 1.35E-04 4.65E-04
         2.85E-05          O.OOE+00          4.05E-05 1.35E-04 4.65E-04
                                                    3.88E-02 2.67E-05 3.88E-02
                                                    3.88C-02 2.67E-05 3.88E-02
         6.UE-06
         2.20E-05
                         9.14E-06 3.05E-05 1.0SE-04
                         3.13E-05 1.05E-04 3.60E-04
                                    8.75E-03 6.03E-06 8.756-03
                                    3.01E-02 2.07E-05 3.01E-02
Note:  "ACTUAL Total"  represents  the Maximum CPC  dose for  40 nuclides.
       "BRC  total"  represents  the maximum CPG dose for the top three nuclides.
                                                                                                   September 1987
                                                   D-15

-------
                                                    Table 0-1  (continued)
Page 12
                                                    PATHWAYS [Dose  (mrem/yr)]
AP
91 1 IDA . nu
LUKU On
BRC total
ACTUAL Total
I-COTRASH
I-ABSLIOD
I-BIOUAST
I-LQSCNVL

AP
in i MAru*Qf
tu UNAWW «i
BRC total
ACTUAL Total
I-COTRASH
P-COTRASH
I-A8SLIOO
I-BIOUAST
I-LOSCNVL
M-LOTRASH
N-LOWASTE
P-CONDRSN
L-UASTOIL
C-TIMEPCS
C-SMOKDET

AP
nLMACU-IJt
bnMi»w w i
BRC total
ACTUAL Total
I-COTRASH
P-COTRASH
I-ABSLIQO
I-BIOWAST
I-LOSCNVL
M-LOTRASH
N-LOWASTE
P-CONORSN
L-UASTOIL
C-TJMEPCS
C-SMOKDET
GU • R GW • U SPILL
O.OOE+00 1.31E-04 O.OOE+00
1.31E-04
1.17E-04
7.16E-06
S.96E-06
2.97E-07

GW - R GW • W SPILL
•MX-XXMMMMBMMSBSS-KlK'Xl
O.OOE+00 8.05E-04 O.OOE+00
8.05E-04
4.80E-05
7.31E-04
2.94E-06
2.45E-06
1.22E-07
1.50E-05
5.09E-06
4.60E-09
O.OOE+00
O.OOE+00
O.OOE+00

GW - R GW • W SPILL
••••••••••••••••••••••••••
O.OOE+00 3.64E-04 O.OOE+00
3.64E-04
3.95E-05
3.03E-04
2.45E-06
2.04E-06
1.02E-07
1.25E-05
4.24E-06
1.91E-09
O.OOE+00
O.OOE+00
O.OOE+00
EROS BATH ON FOOD BIOWAS GAMMA DUST ATMOS f^^p
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 1.55E-01 7.39E-03 3.69E-06 1.55E-01
O.OOE+00 O.OOE+00 O.OOE+00 1.55E-01 7.62E-03 3.97E-06 1.55E-01
1.37E-01 6.87E-03 3.43E-06 1.37E-01
1.63E-02 3.64E-04 1.B4E-07 1.63E-02
1.41E-03 9.09E-05 7.85E-08 1.41E-03
O.OOE+00 6.69E-05 4.02E-09 6.69E-05
PATHWAYS [Dote (mrem/yr)}
EROS BATH ON FOOD BIOWAS GAMMA DUST ATMOS 9MAX
!•••••••• XM^iK 1KM MMM J1>MM MM MS M tf •• MX MM MMMVMVV XSM • • MMX XX X
O.OOE+00 O.OOE+00 1.65E-01 5.51E-01 2.15E+01 3.03E-02 1.71E-28 2.1SE+01
O.OOE+00 1.71E-01 5.71E-01 2.14E+01 3.8SE-02 2.30E-28 2.14E+01
3.37E-02 1.13E-01 2.77E+00 1.566-03 8.82E-30 2.77E+00
1.07E-01 3.59E-01 1.72E+01 2.11E-02 1.19E-28 1.72E+01
3.99E-03 1.33E-02 3.28E-01 7.61E-05 4.29E-31 3.28E-01
2.19E-03 7.32E-03 3.3SE-02 6.S6E-06 3.69E-32 3.3SE-02
7.36E-04 2.46E-03 O.OOE+00 O.OOE+00 O.OOE+00 2.46E-03
1.05E-02 3.52E-02 8.68E-01 4.90E-04 2.76E-30 8.68E-01
6.43E-03 2.15E-02 2.41E-01 5.42E-05 3.05E-31 2.41E-01
1.37E-04 4.56E-04 1.37E-03 6.08E-07 3.UE-33 1.37E-03
2.81E-06 9.39E-06 1.17E-03 2.83E-07 1.59E-33 1.17E-03
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00
O.OOE+00 O.OOE+00 O.OOE+00 6.96E-03 3.93E-29 6.96E-03 |
PATHWAYS (Dote (urem/yD) |
EROS BATH ON FOOD BIOWAS GAMMA DUST ATMOS 3MAX

O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 4.44E+00 1.11E-02 7.36E-23 4^W)
O.OOE+00 O.OOE+00 O.OOE+00 4.44E+00 1.26E-02 8.87E-23 <^^^
9.S8E-01 5.39E-04 5.65E-24 9.58C-U1
2.97E+00 3.64E-03 1.78E-23 2.97E+00
1.13E-01 2.63E-OS 3.03E-2S 1.13E-01
1.16E-02 2.26E-06 1.26E-2S 1.16E-02
O.OOE+00 O.OOE+00 6.40E-27 1.02E-07
3.00E-01 1.69E-04 1.77E-24 3.00E-01
8.30E-02 1.87E-OS 3.52E-2S 8.30E-02
2.36E-04 1.05E-07 5.89E-28 2.36E-04
2.03E-04 4.88E-08 3.14E-28 2.03E-04
O.OOE+00 O.OOE+00 4.60E-24 4.60E-24
O.OOE+00 6.70E-03 4.30E-23 6.70E-03
Note:  "ACTUAL Total" represent* the mxinun CPG dose for 40 nuclides.
       "BRC total" represents the «axiwja CPG dose for the top three nuclides.
                                                                                                 Sept enter 1987
                                                  D-16

-------
                                                    Table D-1 (continued)
Page 13
                                                    PATHWAYS  Pose (mrem/yr)]
AP
12 CW-SF
BRC total
ACTUAL Total
C-TIMEPCS
C-SMOKDET
AP
13 CU-UF
BRC total
ACTUAL Total
C-TIMEPCS
C-SMOKDET
AP
BRC total
ACTUAL Total
B10HEO •
AP
BRC total
ACTUAL Total
BIOMED *
GW • R GU • W
O.OOE+00 2.76E-08
2.76E-08
1.50E-09
2.61E-08
GU • R GU • U
O.OOE+00 6.21E-08
6.21E-08
1.S3E-09
e.OoE-08
GU - R GU • U
O.OOE+00 O.OOE+00
O.OOE+00

GU - R GU - U
O.OOE+00 2.20E-03
2.20E-03
2.20E-03
SPILL EROS
O.OOE+00 O.OOE+00
O.OOE+00

SPILL EROS
O.OOE+00 O.OOE+00
O.OOE+00

SPILL EROS
0. OOE+00 -0. OOE+00
O.OOE+00

SPILL EROS
O.OOE+00 O.OOE+00
O.OOE+00

BATH ON FOOD BIOWAS GAMMA OUST ATMOS 9MAX
O.OOE+00 1.53E-05 5.13E-05 1.37E-09 1.75E-03 6. TOE- 10 1.75E-03
1.53E-05 5.13E-05 1.37E-09 1.75E-03 6.70E-10 1.7SE-03
O.OOE+00 O.OOE+00 O.OOE+00 S.09E-07 6.36E-11 S.09E-07
1.53E-05 5.13E-05 1.37E-09 1.75E-03 6.06E-10 1.75E-03
PATHUAYS [Dose (mrem/yr)]
BATH ON FOOD BIOUAS GAMMA DUST ATMOS 9MAX
O.OOE+00 O.OOE+00 O.OOE+00 1.32E-09 1.69E-03 8.73E-10 1.69E-03
O.OOE+00 O.OOE+00 1.32E-09 1.69E-03 8.73E-10 1.69E-03
O.OOE+00 4.79E-07 8.07E-11 4.79E-07
1.32E-09 1.69E-03 7.92E-10 1.69E-03
PATHWAYS [Dose (mrcm/yr)]
BATH ON FOOD BIOUAS GAMMA DUST ATMOS 3MAX
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 9.58E-07 9.58E-07
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 9.58E-07 9.58E-07
9.58E-07 9.58E-07
PATHWAYS [Dose (mrem/yr)]
BATH ON FOOD BIOUAS GAMMA DUST ATMOS 9MAX
O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 3.77E-06 4.79E-07 2.20E-03
O.OOE+00 O.OOE+00 O.OOE+00 3.77E-06 4.79E-07 2.20E-03
3.77E-06 4.79E-07 2.20E-03
Note:  "ACTUAL Total" represents the maxinun CPC  dose  for 40 nuclfdes.
       "BRC total" represents the maxinun CPC dose for the  top three nuclides.
                                                                                                 September 1987
                                                  D-17

-------
DISCOUNTING BENEFITS                                        Appendix E

BACKGROUND

     In the main text, total costs were discounted at a 10 percent real rate
over the 20-year period in which  they occurred.  Health effects, occurring
over a  10,000-year period (due to the assumed 20-year  disposal volume),
were not  discounted,  however.   This appendix analyzes  the  sensitivity  of
our results to. changes  in  the  discount  rate  assumptions  that  were used  in
calculating both  costs and health  effects.   A  comparison is made  between
the base case  of 10 percent  discount rate  for  costs,  zero percent  discount
rate for health effects  (10%/0%),  and two  alternative cases which  assume
discount rates  of 5%/5% and 2%/2S  for costs/health effects.

     Economic  theory  supports  the notion of  discounting economic costs and
benefits that  occur over time since a dollar  today  is  worth  more to society
than a  dollar tomorrow, even with zero inflation.   Economists refer to this
as the "time  value  of money."   However, choosing  the appropriate  discount
rate is  a  difficult  matter  since  this is an empirical  question related  to the
                    *
project  specific risk.    In the  past,  the Office of Management  and  Budget
has recommended using  a  10 percent  real discount  rate.  This  rate  is not
inconsistent  with   empirical evidence  from  the 1960s,  where  the  average
     Although * all  economists  would  support  the  need  for  discounting,
     theoretical  complexities  also complicate the  process of  selecting  the
     appropriate  discount rate.   These complexities are beyond the scope of
     this discussion, however.
                                    E-1

-------
pre-tax  real  rate of  return  to  the  private  sector was  found  to  range
between  eight  and 12 percent  [LIND82].   Based on  estimated  real rates of
return  during  the  1980s,  however,  using  a  lower discount  rate  of  five
percent  has  been suggested for those projects  that  are expected primarily
to displace private  investments in  the  short run.   A  rate of two  percent
has been suggested for  projects that primarily displace private  consumption.
The  two percent discount rate represents the social  rate of time  preference
(or  the  cost of  "foregone" consumption)  which  has  been estimated  from
historical  data  to  range  from one  to  three  percent.  These   suggested
alternative  discount  rates   have   been  used  in  the  sensitivity analysis
presented  below.

     Since radiological health effects span many generations,  the  application
of the discounting framework  to the costs and health effects associated with
LLW  disposal is more complex in comparison to other  EPA  programs.  Socio-
economic theory  cannot  provide a solution  to this problem  of valuing  inter-
generational   redistributions  of  costs   and  benefits.    Calculating  cost-
effectiveness  ratios  will allow  for  the determination  of only  the  most
economically    efficient    disposal    options,    assuming    intergeneration
redistributions of wealth are valued equally  over time.
SELECTION OF CASES FOR SENSITIVITY ANALYSIS

     Given  the lack of unanimity concerning the use  of  discounting  under
these circumstances,  particularly  since  the focus has  been centered mainly
on  discounting health effects,  EPA assumes a  base case  in  which  costs,
discounted at  10 percent,  are compared  to the  undiscounted health effects.
Economic  theory suggests  that,  if  health  effects can  be explicitly valued,
this approach  understates  the  actual   costs  of disposal  relative  to  the
associated benefits,  resulting  in improving  the  relative  economjcs  of the
more costly disposal options.
                                    E-2

-------
METHODOLOGY

     The  following  is  a  brief  summary of  the  methodology  used  in  dis-
counting costs and health effects.

     Annual  costs were  assumed  to remain  fixed  over  a 20-year  period
coincident  with disposal  volumes.   This assumption  is a slight  simplification
since annual  volumes  increase year to year from  zero  to  five  percent,
depending  on the particular waste.   These annualized costs were discounted
using the following formula:

               PV = N       Ct
                          d+d)1
                    t=1
          Where:   C  = cost in  year t
                    d = discount rate
                    N = total number of years = 20

     EPA uses a range  of analytical  procedures when evaluating  regulations
with long-term benefits, including:  1) analyzing the time-line  of costs  and
risks,  2) evaluating the environmental risks by eliminating  the lag  between
expenditures  on  environmental  controls  and  benefits,  and  3)  using  a
two-step discounting procedure.  The methodology used in this appendix  is
analogous to the third approach.

     Under  this  procedure,  capital  costs are annualized over the lifetime of
the capital asset using  the  pre-tax  rate of  return  on private investment as
the discount  rate.   This cost  stream is  added to the other  annual costs
associated  with  the project and  then discounted  (along with the  benefit
stream)  by  a  rate  representing the social  rate of time preference.  As  a
simplification  of  this procedure, all  costs associated with LLW disposal  are
assumed to  be annual operating costs requiring  no capital investment.  This
assumption makes it possible to avoid the  complicated  task  of  re-estimating
all disposal  costs.   Given a five  percent  pre-tax rate of return on  private
                                    E-3

-------
investment and a two  percent social rate of time preference, by  assuming all
costs are annual  operating  expenses  (i.e.,  by not  annualizing  any capital
costs),  total disposal  costs would be understated  by a maximum of about 60
                                                                 *
percent  if all  project costs  were treated as capital  investments.    This 60
percent  estimate is a maximum for two reasons.   First,  all  disposal  costs
cannot be characterized  as  capital investments.   For example, capital  costs
of incineration represent about  50  percent of total costs (i.e., capital  costs
plus operating and maintenance costs)  [TEK81].  As  a result, disposal  costs
are understated  by only 30  percent,  rather than  by  60  percent.   Another
reason this 60 percent  figure  might overstate the potential bias introduced
by  assuming all  costs are  operating expenses is  that,  to some extent, the
costs used  in the  LLW analysis  have  already  been  annualized  (albeit  at
different  discount  rates potentially).   This  annualization  was  calculated
explicitly in the engineering costs  estimated for the  10 alternative disposal
options  and  various  processing  techniques.   (A  10  percent rate of return
was  employed when  estimating  the  costs of disposal options.)  To the extent
this   annualization  of  capital  costs   has  already  been  considered,  the
appropriate  methodology  in   eliminating  any   bias  would   involve  the
complicated  task of annualizing the capital costs associated with disposal  at
a different  discount rate,  which  matches the  particular rate chosen in the
sensitivity  analysis   (e.g.,   two  and  five   percent).   Nevertheless,  the
extreme  effect of discounting health effects  can be seen  since the  potential
bias  introduced  by  making  the above  simplifying  assumption  on  costs  is
small in  comparison  to the change   in  health  effects  that  results  from
discounting.
     The 60 percent  figure is calculated  as follows:   if all  costs  represent
     capital  investments,  then all  nominal  disposal costs are assumed  to  be
     expended  upfront,  which  is  then annualized  at  a five percent  rate,
     and discounted at a two  percent rate.  This calculation is divided  by
     the  present value  of  the annual  nominal cost  stream  fin "this  case,
     assumed  to  be  operating expenses),  which  is  discounted  at  a two
     percent rate.

                                     E-4

-------
     The  discounting  of  health  effects  is  more  complicated   than  the
discounting  of   costs   since   the  methodology   in   this   case   involves
manipulating cumulative health effects  data  that  are reported over four time
horizons — a  100-,  500-. 1,000-, and 10,000-year horizon.  Health effects
are assumed not to occur until  site closure, 24 years after the  disposal site
begins accepting  waste.   The health effects occurring in four discrete time
periods  were  calculated  by   subtracting   the   cumulative  health  effects
reported at each  time horizon.   Thus, health  effects were calculated  for  a
100-,  400-,   500-,   and   9,000-year   time  interval.    For  purposes   of
discounting, the  health  effects are  assumed  to  be evenly  distributed over
each  time  interval in  which they  are  estimated.   Health  effects associated
with  the  release  of  radon, which  were  calculated  by a  different computer
model  covering a 1,000-year  period,   were  equally distributed over this
period  and  added   to  the  other  health  effects.    The  formula  used  in
discounting these total health effects is:
                    (HE./N ) * (    d     ) *  (1+d)~fNi"K2'*)
          Where:    i     =    period 1, 2, 3, or 4.
                    HE.  =    health effects over period i.
                    N.   =    number of years in  period  i.
                    d'   =    discount rate

     With discounting,  health effects occurring  after  the first  100  years
contribute very little  to the present value of health effects.
RESULTS

     Tables  E-1,  E-2,  and E-3  list the distribution  of health  effects  over
time for disposal  practices  affecting the BRC,  NARM,  and  LLW"standards,
respectively.   Tables  E-4,  E-5,  and  E-6  demonstrate  the   effect  that
discounting costs and  health  effects has  on the  cost-effectiveness  ratios.
                                     E-5

-------
The  base case  of  10%/0%  is  compared  to  two  alternative cases,  5%/5% and
2%/2%, under the  National-Implicit  implementation  assumption.   Table  E-H,
which  presents  the  impacts  associated  with   alternative  LLW  standards,
demonstrates that cost-effectiveness ratios increase from one to  two  orders
of magnitude when comparing the base  case, 10%/0%, to the case  2%/2%, and
from  1.5 to  2.5 orders  of  magnitude when comparing  the base case  to the
5%/5% case.   Likewise,  Table E-5,  which presents  the impacts  associated
with  alternative BRC  standards,  shows  a  similar  one  to  two order  of
magnitude increase in  the marginal cost-effectiveness ratio.

     Table E-6  presents the discounted cost and  health  effects  associated
with  the  two  NARM  wastes  EPA  is   proposing  to regulate under   TSCA
authority.    The   cost-effectiveness  of   regulating  R-RASOURC  remains
relatively low,  even when  discounting at EPA's  recommended two percent
rate.   However,  the  average  cost-effectiveness  for  both   NARM  wastes
increases by two orders of  magnitude in comparison to  the base case.
                                    E-6

-------
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-------
                                 Table E-3
                 DISTRIBUTION OF HEALTH EFFECTS OVER TIME
                  FOR SELECTED REGULATED DISPOSAL METHODS

                                   U.S. Totals By_Tiffle Period (Years)

SLF As Is
Class A - BRC
Class B
Class C
NARM
TOTAL LLW
SLD AS IS
Class A - BRC
Class B
Class C
NARM
TOTAL LLW
10 CFR 61
Class A - BRC
Class B
Class C
NARM
TOTAL LLW
A:IDD As Is; B,
Class A - BRC
Class B
Class C
NARM
TOTAL LLW
CC
Class A - BRC
Class B
Class C
NARM
TOTAL LLW
0-100*

16.8240
58.1280
4.4307
1.4482
80.8309

1.5651
0. 7900
0.0009
0.0287
2.3848

1.5651
0.0538
0.0001
0.0163
1.6353
C, & NARM: IDD SOL
0.7996
0.0379
0.0001
0.0157
0.8533

0.0000
0.0000
0.0000
0.0006
0.0006
101-500

4.4549
26.8828
1.7569
17.8964
50.9910

8.6011
13.4259
0.0669
2.7047
24.7986

8.6011
1.9256
0.0010
0.0655
10.5931

6.4645
0.5812
0.0010
0.0629
7.1096

0.2433
0.2065
0.0003
0.0025
0.4526
501-1,000

1. 2135
2.2122
0.5343
15.5599
19.5198

0.5189
0.7126
0.1454
4.7835
6.1604

0.5189
2.2257
0.0011
0.0819
2.8275

1.6243
0.7028
0.0010
0.0787
2.4068

0.3844
0.3393
0.0005
0.0031
0.7273
1,001-10,000

5.0780
4.4706
0.4126
25.8700
35.8312

4.7977
3.6353
0.2146
14.0295
22.6771

4.7977
8.4829
0.0085
0.0004
13.2894

3.8708
4.0567
0.0071
0.0002
7.9348

3.3587
2.8260
0.0047
0.0001
6.1896
Total

27.5703
91.6936
7.1344
60.7746
187.1729

15.4827
18.5639.
0.4278
21.5464
56.0209

15.4827
12.6879
0.0106
0.1640
28.3453

12.7591
5.3785
0.0092
0.1576
18.3044

3.9864
3.3718
0.0056
0.0063
7^3700
Year "zero" of  Che  health  risk analysis begins after 20 years of disposal and  three
years of site closure.
                                                                       September 1987

                                    E-9

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-------
BACKUP COST/RISK AND
COST-EFFECTIVENESS TABLES                                 Appendix  F
     The  purpose of  this appendix  is  to  provide additional backup tables
associated  with costs, health effects,  and  cost-effectiveness  calculations.
For each  hydrogeologic  region,  Tables F-1  to  F-3  present the incremental
costs,  avoided health  effects, and the cost-effectiveness of regulating  the
BRC  surrogate  wastes,   the two  consumer  wastes,  NRC's   unregulated
biomedical  waste, and the  six   NARM  wastes.   Table  F-U presents  this
information  for the  entire U.S.   The  information presented in these tables
is  used  in  the analysis  of  NARM in  Chapter  6  and the  analysis  of  BRC
waste in Chapter 7.

     The  total health  effects and costs  occurring  in  each  hydrogeologic
region  and  in the total U.S.  are presented in Tables F-5 to F-8 for the 17
regulated disposal methods considered in the analysis of  the  LLW  standard
in  Chapter  8.   Also  included  for purposes  of comparison are  the health
effects  and  costs  associated  with regulated and unregulated disposal of the
nine BRC  wastes  (those expected  to  meet  the  proposed  4  millirem  BRC
standard) which  are excluded from  the LLW analysis.   The  calculation  of
total health  effects  and  costs   (based  on  EPA  assumptions highlighted  in
Appendix C) are shown for DOE waste as well.

     Tables  F-9  through  F-13   introduce  the  unit  health  effects  and  unit
costs  associated  with  the five unregulated disposal options that were  used
to  calculate a weighted average  for unregulated  disposal in Chapters 6 and
7.    Table  F-11  shows the estimated unit health effects  and  unit costs of
regulated disposal,  which are used  for  comparison to unregulated  disposal
in  these two chapters.
                                     F-1

-------
     Tables  F-15  to F-17 present a  summary of the accumulative fatal and
genetic unit health  effects occurring at four points in time (at 100-,  500-,
1,000-, and  10,000-year  intervals) in the three hydrogeologic regions for  all
waste types  and disposal technologies.

     Finally,  Table  F-18 demonstrates the underlying  nuclide concentrations
(curies per cubic meter) and  total nuclide inventories assumed  for all  waste
streams in the Economic  Impact Assessment.
                                      F-2

-------
                                              TABLE F-1
                                  COST EFFECTIVENESS OF REGULATION
                                      HUMID IMPERMEABLE REGION
                               (Unregulated versus Regulated Disposal)
   WASTE
mnmnm9*mmm
BRC "SURROGATES"
  P-COTRASH
  P-CONDRSN
  L-WASTOIL
  B-COTRASH
  I-COTRASH
  I-BIOUAST
  1-ABSL1QO
  I-LQSCNVL
  N-SSTRASH
  N-SSWASTE
  N-LOTRASH
  M-LOUASTE
  F-PROCESS
  U-PROCESS
  F-COTRASH
  F-NCTRASH

CONSUMER
  C-SMOKDET
  C-TIMEPCS
INCREMENTAL
   COST
(S MILLIONS)
     19.05
      3.74
      4.84
     53.25
     36.76
      3.27
      6.87
      9.29
     62.44
     11.02
     10.62
      6.31
      0.85
      0.00
      2.55
      0.66
    163.10
    105.01
                                                AVOIDED
                                             HEALTH EFFECTS
 0.2341
 0.0002
 0.0000
 0.5425
 0.5190
 0.0404
 0.0644
 0.0025
 0.0007
 0.0026
 0.0649
 0.0330
 0.0003
 0.0000
 0.0000
 0.0000
 1.1087
 0.0882
                         COST-EFFECTIVENESS RATIO
                              (S MILLIONS  PER
                          AVOIDED HEALTH  EFFECT)
     81.40
 16,304.67
213,325.91
     98.16
     70.84
     80.79
    106.75
  3.728.59
 84,111.04
  4,313.97
    163.54
    191.21
  3,199.46
      N.A.
 62.415.77
 94,921.55
    147.11
   1,190.62
BIOMED
  BIOMED
    156.14
•0.2060
    (757.96)
NARM
  R-GLASOS1
  R-GLASOS2
  R-INSTDF1
  R-INSTDF2
  R-RAIXRSN
  R-RASOURC
•••*••*•*•••
TOTAL
  2,098.46
 1.2767
 0.0003
 1.5152
 0.0005
 3.3885
64.2119

  72.89
   1,013.17
      9.60
     94.23
     26.55
      1.46
      0.02
  •«*«*««**
     28.79
     NOTES: Costs  represent present values at a  10 percent real discount rate, expressed  in 1985
            dollars.  Health effects  include fatal cancers and genetic effects over 10,000 years,
            and are not discounted.   Regulated disposal is SLD, As Generated, except for P-CONDRSN
            (SLO Solidified) and R-RAIXRSN and K-RASOURC (both ISO Solidified).  Unregulated
            disposal  is represented by a weighted  average of MD, SF, SI, UF and UI disposal
            practices (weighting depends on waste type).  Unregulated disposal for BIOM60 waste is
            represented by the LURO option. Note that consumer, BIOMED and NARM wastes are currently
            unregulated.  N.A.« Waste not generated in this region.
                                                                              Septenfeer 1987
                                                F-3

-------
                                              TABLE  F-2
                                  COST EFFECTIVENESS OF  REGULATION
                                      HUMID  PERMEABLE REGION
                               (Unregulated  versus Regulated  Disposal)

BRC
CANDIDATE
BRC "SURROGATES"
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
I-ABSLIOO
I-LQSCNVL
N-SSTRASH
M-SSUASTE
N-LOTRASH
N-LOWASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-MCTRASH
CONSUMER
C-SMOKDET
C-TIMEPCS
BIOMEO
BIOMED
HARM
•GLASOS1
•GLASOS2
-INSTDF1
•INSTDF2
•RAIXRSN
•RASOURC
INCREMENTAL
COST
(S MILLIONS)

52.48
11.48
9.22
58.65
36.74
3.26
6.87
9.29
38.95
6.87
18.00
10.70
13.98
7.42
42.21
10.88

329.74
212.28

156.14

2615.09
0.01
266.77
0.03
9.99
1.33

AVOIDED
HEALTH EFFECTS

1.7786
0.0003
0.0000
0.9922
164.8216
8.2034
9.8090
0.4071
0.0001
0.0002
19.1937
6.2267
0.0010
0.0006
0.0001
0.0000

0.0078
7.1994

12.291

0.4294
0.0001
0.0697
0.0000
0.1756
1.2283
                                                                         COST-EFFECTIVENESS RATIO
                                                                              (S MILLIONS PER
                                                                           AVOIDED HEALTH EFFECT)
                                                                                    29.51
                                                                                33,804.99
                                                                               465.672.61
                                                                                    59.11
                                                                                     0.22
                                                                                     0.40
                                                                                     0.70
                                                                                    22.81
                                                                               679,480.50
                                                                                34,979.11
                                                                                     0.94
                                                                                     1.72
                                                                                13,502.29
                                                                                12,120.97
                                                                               287,303.83
                                                                               438,715.53
                                                                                42,533.16
                                                                                    29.49
                                                                                    12.70
TOTAL
3,928.35
232.84
                                                                                    16.87
     NOTES: Coats represent present values at a 10 percent real discount rate, expressed in 1985
            dollars.  Health effects include fatal cancers and genetic effects over 10,000 years,
            and are not discounted.  Regulated disposal is SLD, As Generated, except for P-CONDRSN
            (SLO Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified),  unregulated
            disposal is represented by a weighted  average of MD, SF, SI, (If and UI disposal
            practices (weighting depends on waste type).  Unregulated disposal for BIOMEO waste is
            represented by the LURO option. Note that consumer, BIOMEO and HARM wastes are currently
            unregulated.  N.A.» Waste not generated in this region.
                                                                              September 1987
                                               F-4

-------
                                              TABLE F-3
                                  COST EFFECTIVENESS OF REGULATION
                                        ARID PERMEABLE REGION
                               (Unregulated versus Regulated Disposal)
    BRC
CANDIDATE
BM**X*BBX
BRC "SURROGATES"
  P-COTRASH
  P-CONORSN
  L-UAST01L
  B-COTRASH
  I-COTRASH
  I-BIOUAST
  I-ABSLIOO
  1-LOSCMVL
  N-SSTRASH
  N-SSWASTE
  N-LOTRASH
  N-LOUASTE
  F-PROCESS
  U-PROCESS
  F-COTRASH
  F-NCTRASH

CONSUMER
  C-SMOKDET
  C-TIMEPCS
INCREMENTAL
   COST
($ MILLIONS)
     20.47
      4.19
      1.41
      3.30
     24.18
      2.15
      4.52
      6.11
     23.27
      4.11
      6.57
      3.90
      5.80
      0.00
     17.49
      4.51
    176.48
    113.61
   AVOIDED
HEALTH EFFECTS
    0.4996
    0.0001
    0.0000
    0.0518
   52.5276
    2.6925
    3.2217
    0.1336
    0.0001
    0.0003
    2.2650
    0.7675
    0.0008
    0.0000
    0.0002
    0.0000
    0.0158
    0.0010
COST-EFFECTIVENESS RATIO
     ($ MILLIONS PER
  AVOIDED HEALTH EFFECT)
           40.96
       59,422.31
      267,766.68
           63.69
            0.46
            0.80
            1.40
           45.74
      294,729.12
       15,162.85
            2.90
            5.09
        6,898.82
            N.A.
      107,396.90
      163,600.64
        11.174.26
       112,500.38
BIOMED
  BIOMED
    102.96
   •0.6625
          (155.41)
NARM
    •GLASDS1
    •GLASDS2
    •INSTDF1
    •INSTOF2
    •RAIXRSN
    •RASOURC
TOTAL
   1399.62
      0.00
    131.95
      0.01
      5.34
      0.55
  2,062.51
    2.0946
    0.0001
    0.0880
    0.0000
    0.1444
    1.2472
     65.09
          668.20
           47.16
         1,498.92
          424.24
           37.01
            0.44

           31.69
     NOTES: Costs represent present values at a 10 percent real discount rate, expressed in 1985
            dollars.  Health effects include fatal cancers and genetic effects over 10,000 years,
            and are not discounted.  Regulated disposal is SLD, As Generated, except for P-CONDRSN
            (SLO Solidified) and R-RAIXRSN and R-RASOURC (both ISO Solidified).  Unregulated
            disposal is represented by a weighted  average of MO, SF, SI, UF and UI disposal
            practices (weighting depends on waste type).  Unregulated disposal for BIOMED waste is
            represented by the LURO option. Note that consumer, BIOMED and NARM wastes are currently
            unregulated.  N.A.» Waste not generated in this region.
                                                                              Septertwr 1987
                                                F-5

-------
                                              TABLE F-4
                                  COST EFFECTIVENESS OF REGULATION
                                               TOTAL U.S.
                               (Unregulated versus Regulated Disposal)
    BRC
CANDIDATE

BRC "SURROGATES"
  P-COTRASH
  P-CONDRSN
  L-UASTOIL
  B-COTRASH
  I-COTRASH
  I-BIOUAST
  I-ABSLIQO
  I-LOSCNVL
  N-SSTRASH
  N-SSWASTE
  N-LOTRASH
  N-LOUASTE
  F-PROCESS
  U-PROCESS
  F-COTRASH
  F-NCTR.ASM

CONSUMER
  C-SMOKDET
  C-TIMEPCS
INCREMENTAL
   COST
(J MILLIONS)
     92.00
     19.40
     15.47
    115.21
     97.69
      8.68
     18.26
     24.69
    124.66
     22.00
     35.19
     20.91
     20.62
      7.42
     62.25
     16.04
    669.32
    430.91
   AVOIDED
HEALTH EFFECTS
COST-EFFECTIVENESS RATIO
     (S MILLIONS PER
  AVOIDED HEALTH EFFECT)
    2.5123
    0.0006
    0.0000
    1.5865
  217.8682
   10.9363
   13.0951
    0.5432
    0.0009
    0.0030
   21.5236
    7.0272
    0.0021
    0.0006
    0.0004
    0.0001
    1.1323
    7.2886
           36.62
       30,355.21
      324,000.67
           72.62
            0.45
            0.79
            1.39
           45.45
      141,876.80
        7,280.47
            1.63
            2.98
        9,637.63
       12,120.97
      177,518.38
      270,639.87
          591.14
           59.12
BIOMED
  BIOMEO
    415.24
   11.4235
           36.35
NARM
    •GLASDS1
    •GLASDS2
    •INSTDF1
    •INSTDF2
    •RAIXRSN
    •RASOURC
 TOTAL
   5308.26
      0.01
    541.50
      0.05
     20.27
      3.28
  8,089.33
    3.8008
    0.0004
    1.6729
    0.0006
    3.7085
   66.6874

   370.8151
         1,396.62
            28.43
          323.69
            91.17
             5.47
             0.05
            21.82
      NOTES:  Costs represent present values at  a 10 percent real  discount  rate,  expressed in 1985
             dollfrs.   Health effects include fatal cancers and genetic effects  over 10,000 years,
             and are not discounted.  Regulated disposal  is SLD,  As Generated, except for P-CONORSN
             (SLD Solidified) *nd R-RAIXRSN and R-RASOURC (both ISO Solidified).  Unregulated
             disposal  is represented by a weighted   average of  MO,  SF,  SI,  UF and UI disposal
             practices (weighting depends on waste  type).  Unregulated  disposal  for BIOMED waste is
             represented by the LURO option. Note that  consumer,  BIOMED and NARM wastes are currently
             unregulated.  N.A.» Waste not generated in this region.
                                                                              Septettfeer 1987
                                                 F-6

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          F-10

-------
                           TABLE F-9
         HEALTH EFFECTS AND DISPOSAL  COSTS  FOR
UNREGULATED SUBURBAN SANITARY LANDFILL,  WITHOUT  INCINERATION
                  (PER CUBIC METER)
HUMID IMPERMEABLE
HUMID PERMEABLE
ARID PERMEABLE


WASTE
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
l-ABSLIOO
I-LQSCNVL
N-SSTRASH
N-SSUASTE
N-LOTRASH
N-LOUASTE
F -PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
UNIT
HEALTH
EFFECTS
3.68E-06
1.35E-07
2.64E-09
2.91E-06
3.32E-05
7.38E-05
6.28E-05
1.83E-06
4.45E-09
8.65E-08
1.03E-05
6.966-06
2.486-07
2.916-07
1.28E-08
1.22E-08
3.82E-05
2.366-05
1.196-04
2.41E-05
1.22E-03
1.396-05
1.86C-03
2.61E+02
UNIT
DISPOSAL
COST
U.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
UNIT
HEALTH
EFFECTS
1.20E-OS
6.37E-08
9.42E-10
5.01E-06
1.47E-03
2.45E-03
1.97E-03
6.08E-OS
3. 066-10
5.93E-09
4.60E-04
2.27E-04
2.64E-08
3.12E-08
8.71E-10
8.32E-10
1.66E-07
1.40E-03
6.02E-06
1.666-06
2.52E-05
2.87E-07
6.98E-OS
9.096*00
UNIT
DISPOSAL
COST
••••••••
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
UNIT
HEALTH
EFFECTS
1.34E-06
3.71E-11
4.52E-15
8.50E-07
9.30E-06
6.36E-06
5.13E-06
1.S8E-07
7.17E-10
1.39E-08
2.90E-06
5.89E-07
2.556-12
2.326-12
2.72E-09
2.596-09
3.126-07
7.35E-09
6.716-05
3.446-06
3.476-05
3.946-07
7.586-06
5.896-01
UNIT
DISPOSAL
COST
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
                             F-ll
                                                                1987

-------
                           TABLE F-10
         HEALTH EFFECTS AND DISPOSAL  COSTS  FOR
UNREGULATED SUBURBAN SANITARY LANDFILL,  WITH  INCINERATION
                  (PER CUBIC METER)
HUMID IMPERMEABLE
HUMID PERMEABLE
ARID PERMEABLE


WASTE
mmmmm**mm
P-COTRASH
P-CONORSN
L-UASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSL100
I-LOSCNVL
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOWASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASOS1
R-GLASDS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
UNIT
HEALTH
EFFECTS
••••••**
3.80E-06
1.34E-07
2. 976-09
3.03E-06
9.84E-06
1.87C-05
1.85E-05
4.53E-07
4.59E-09
8.94E-08
3.07E-06
1.86E-06
2.57E-07
3.01E-07
1.32E-08
1.27E-08
3.59E-05
6.64E-06
1.23E-04
2.49E-05
1.15E-03
1.31E-05
1.75E-03
2.47E+02
UNIT
DISPOSAL
COST
••••MM
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
UNIT
HEALTH
EFFECTS
••••••••
6.50E-06
5.79E-08
1.41E-09
4.30E-06
3.77E-OA
7.22E-04
5.85E-04
1.79E-05
6.10E-10
1.19E-08
1.17E-04
6.70E-05
3.56E-08
4.07E-08
1.83E-09
1.75E-09
2.65E-07
2.24E-W
1.30E-05
3.33E-06
2.73E-05
3.11E-07
5.74E-05
7.WE*00
UNIT
DISPOSAL
COST
mmmmmmmm
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
UNIT
HEALTH
EFFECTS
*•»••••»
2.09E-06
3.95E-08
2.97E-09
1.2SE-06
3.4SE-06
5.97E-06
6.83E-06
1.17E-07
1.01E-09
1.96E-08
1.08E-06
6.28E-07
7.27E-08
7.39E-08
3. 746-09
3.S8E-09
4.25E-07
4.48E-07
8.46E-05
4.94E-06
4.37E-OS
4.97E-07
7.96E-05
1.17E*01
UNIT
DISPOSAL
COST
*«ma««»«
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
                                                      September 1987
                                F-12

-------
                           TABLE F-11
         HEALTH EFFECTS AND  DISPOSAL COSTS FOR
UNREGULATED URBAN SANITARY LANDFILL, WITHOUT INCINERATION
                  (PER CUBIC METER)
HUMID IMPERMEABLE
HUMID PERMEABLE
ARID PERMEABLE


WASTE
mmmmmmmmm
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOWAST
1-ABSLIOO
I-LQSCNVL
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOWASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASDS1
X-GIASDS2
R-INSTOF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
UNIT
HEALTH
EFFECTS
•»*»•*
5.35E-06
1.72E-07
3. 556-09
3.78E-06
3.66E-05
6.75E-05
5. 866-05
1.88E-06
1.39E-08
2.71E-07
1.14E-05
6.446-06
7.71E-07
9. 086-07
3.95E-08
3.78E-08
8.93E-05
8.84E-05
2.01E-04
7.55E-05
2.19E-03
2.50E-05
3. 266-03
4.476*02
UNIT
DISPOSAL
COST
>»*>****
U.78
U.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
UNIT
HEALTH
EFFECTS
mmmmmmm*
2.89E-05
9.35E-08
9.55E-10
1.11E-05
3.77E-03
7.25E-03
5.866-03
1.80E-04
3.27E-10
6.35E-09
1.18E-03
6.71E-04
1.83E-OS
2.13E-08
9.40E-10
8.98E-10
1.74E-07
3.59E-03
6.83E-06
1.77E-06
2.53E-05
2.B9E-07
4.34E-05
5.746*00
UNIT
DISPOSAL
COST
•«***•«
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14,78
UNIT
HEALTH
EFFECTS
xmmmmmm*
3.40E-OS
1.09E-07
4.81E-09
1.91E-05
2.63E-03
5.07E-03
4.09E-03
1.26E-04
2.04E-09
3.96€-08
8.21E-04
4.70E-04
1.50E-07
1.50E-07
7.71E-09
7.37E-09
8.72E-07
1.53E-07
1.92E-04
9.786-06
9.856-05
1.12E-06
1.66E-04
2.556*01
UNIT
DISPOSAL
COST
*•••***•
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
                              F-13
                                                     ScptMtwr 1987

-------
                           TABLE F-12
         HEALTH EFFECTS  AND DISPOSAL COSTS FOR
UNREGULATED URBAN SANITARY LANDFILL, WITH INCINERATION
                  (PER CUBIC METER)
HUMID IMPERMEABLE
HUMID PERMEABLE
ARID PERMEABLE


WASTE
mmmmMmmmm
P-COTRASH
P- CONORS*
L-WASTOIL
B-COTRASH
1-CQTRASH
I-BIOUAST
I-ABSLIOO
I • LOSCNVL
N-SSTRASH
N-SSWASTE
N-LOTRASH
N-LOWASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SHOKDET
C-TIMEPCS
R-GLASOS1
R-GLASDS2
R-INSTDF1
R-1NSTDF2
R-RAIXRSN
R-RASOURC
UNIT
HEALTH
EFFECTS
mmmmmmmm
5.80E-06
1.75E-07
4.50E-09
4.09E-06
1.15E-05
2.18E-05
2.21E-05
7.25E-07
1.37E-08
2.68E-07
3.58E-06
2.22E-06
7.64E-07
8.97E-07
3.94E-08
3.76E-08
8.37E-05
2.UE-05
2.08E-04
7.47E-05
2.0SE-03
2.35E-05
3.05E-03
4.18E+02
UNIT
DISPOSAL
COST
mmmmmmmm
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
UNIT
HEALTH
EFFECTS
mmmmmmmm
1.55E-05
7.88E-08
3.15E-09
9.60E-06
9.60E-M
1.84E-03
1.50E-03
4.58E-05
1.27E-09
2.46E-08
2.99E-OA
1.71.E-W
7.69E-08
8.60E-08
3.97E-09
3.79E-09
5.05E-07
5.73E-W
3.72E-05
6.86E-06
3.22E-05
3.67E-07
5.98E-05
7.84E+00
UNIT
DISPOSAL
COST
*»mmmmmn
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
UNIT
HEALTH
EFFECTS
mmmmmmmm
2.56E-05
1.11E-07
7.57E-09
1.87E-05
6.64E-04
1.27E-03
1.03E-03
3.15E-05
2.51E-09
4.89E-08
2.07E-04
1.18E-04
1.8AE-07
1.86E-07
9.47E-09
9.05E-09
1.07E-06
9.40E-07
2.30E-04
1.21E-05
1.18E-04
1.35E-06
2.01E-04
3.06E*01
UNIT
DISPOSAL
COST
mmmmmmmm
16.27
16-.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
16.27
                                                      Scptmfcer  1987
                            F-14

-------
                          TABLE F-13

         HEALTH  EFFECTS AND DISPOSAL COSTS FOR
              UNREGULATED MUNICIPAL DUMP
                  (PER CUBIC METER)
HUMID IMPERMEABLE
HUMID PERMEABLE
ARID PERMEABLE


WASTE
•*•••••»•
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
I-COTRASH
I-BIOUAST
I-ABSLIQD
I-LOSCNVL
N-SSTRASH
N-SSWASTE
N- LOT RASH
M-LOUASTE
F- PROCESS
U- PROCESS
F-COTRASH
F-NCTRASH
C-SMOKDET
C-TIMEPCS
R-CLASDS1
R-GLASOS2
R-INSTDF1
R-1NSTDF2
R-RAIXRSN
R-RASOURC
UNIT
HEALTH
EFFECTS
nmrnmnmrnx
5.21E-06
2.07E-07
4.04E-09
4.48E-06
3.40E-05
6.25E-05
5.54E-05
1.47E-06
3.13E-09
6.09E-08
1.06E-05
5.97E-06
1.75E-07
2.05E-07
8.99E-09
8.60E-09
3.17E-05
1.63E-05
1.08E-04
1.69E-05
1.10E-03
1.25E-05
1.68E-03
2.39E*02
UNIT
DISPOSAL
COST
mmmmmmum
H.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
UNIT
HEALTH
EFFECTS
• •**•••*
7.22E-06
1. 066-07
1.85E-09
3.95E-06
6.B4E-04
1.32E-03
1.06E-03
3.26E-05
3.27E-10
6.36E-09
2.UE-04
1.22E-04
1.81E-08
2.13E-08
9.33E-10
8.90E-10
2.22E-07
6. 666-04
6.84C-06
1. 786-06
3.986-05
4.55E-07
7.34E-05
9.446*00
UNIT
DISPOSAL
COST
mmmmmmmm
U.78
14.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
U.78
14.78
14.78
14.78
U.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
UNIT
HEALTH
EFFECTS
•»••«»•
1.31E-06
2.92E-08
1.71E-09
8.51E-07
4.00E-06
7.32E-06
7.18E-06
1.60E-07
7.06E-10
1.37E-08
1.2SE-06
7.26E-07
5.19E-08
5.22E-08
2.67E-09
2.56E-09
3.13E-07
1.36E-08
6.586-05
3.39E-06
3.41E-05
3.89E-07
6.40E-05
9.28E+00
UNIT
DISPOSAL
COST
mmmmmmmm
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
14.78
                                                     Scptmber  1987
                            F-15

-------
                          TABLE F-14

         HEALTH  EFFECTS AND DISPOSAL COSTS FOR
             10  CFR 61 DISPOSAL TECHNOLOGY
                  (PER CUBIC METER)
HUMID IMPERMEABLE
HUMID PERMEABLE
ARID PERMEABLE


WASTE
•*«••*«««
P-COTRASH
P-CONDRSN
L-WASTOIL
B-COTRASH
1 -COTRASH
I-BIOUAST
I-ABSLIQD
I-LQSCWVL
N-SSTRASH
M-SSWASTE
N-LOTRASH
N-LOWASTE
F-PROCESS
U-PROCESS
F- COTRASH
F-HCTRASH
C-SMOKDET
C-TIMEPCS
R-GLASDS1
R-GLASOS2
R-INSTDF1
R-INSTDF2
R-RAIXRSN
R-RASOURC
UNIT
HEALTH
EFFECTS
mmmmmmmm
3.096-07
8.93E-10
6.61E-12
5.32E-08
1.84E-05
3.20E-05
2.59E-05
7.96E-07
2.37E-09
4.62E-08
5.76E-06
2.97E-06
1.33E-07
1.55E-07
6.86E-09
6.55E-09
1.08E-05
4.69E-10
6.79E-05
1.27E-05
4.83E-0*
5.50E-06
1.93E-08
2.75E-03
UNIT
DISPOSAL
COST
«»*•«*«
830
6,202
1,726
830
830
2,726
3,872
3,872
830
830
830
830
830
830
830
1,203
17,106
97,351
218,913
830
252,918
830
7,230
5,962
UNIT
HEALTH
EFFECTS
••••*•••
2.22E-07
4.55E-10
9.37E-15
3.83E-08
4.07E-05
7.80E-05
6.31E-05
1.93E-06
3.30E-16
6.42E-15
1.27E-05
7.23E-06
1.89E-H
2.19E-U
9.77E-16
9.33E-16
1.04E-07
4.166-06
1.26E-11
1.79E-12
1.51E-10
1.73E-12
9.08E-06
7.06E-01
UNIT
DISPOSAL
COST
••••«**
830
6,202
1,726
830
830
2,726
3,872
3,872
830
830
830
830
830
830
830
1,203
17,106
97,351
218,913
830
252.918
830
7,230
5,962
UNIT
HEALTH
EFFECTS
KKKmamam
1.71E-07
• 3.63E-10
2.27E-15
2.42E-08
3.26E-05
6.27E-05
5.07E-05
1.56E-06
7.39E-16
1.43E-14
1.02E-05
5.81E-06
5.44E-14
5.47E-U
2.80E-15
2.68E-1S
3.74E-13
6.46E-14
7.00E-11
3.56E-12
3. 766-11
4.27E-13
9.08E-07
7.06E-02
UNIT
DISPOSAL
COST
mmm**mmm
830
6,202
1,726
830
830
2,726
3,872
3,872
830
830
830
830
830
430
830
1,203
17,106
97,351
218,913
830
252,918
830
7,230
5,962
                                                     SeptMfcer 1987
                             F-16

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COSTS, RISKS, AND IMPACTS  FOR  DOE WASTE                Appendix C

     This  appendix  presents  the calculations  of the  absolute  costs  and
health  effects associated with the disposal  of DOE LLW.  In addition, a full
set of  economic impacts tables,  which include DOE LLW as well as commercial
LLW and  NARM,  are presented  for  both  the  BRC and  LLW analyses. This
appendix  also discusses  the methodology used in calculating costs and risks
associated  with the disposal of DOE waste and specifies the assumptions that
were necessary to perform these calculations.

     The  actual costs and health risks associated with  the disposal of DOE
waste  were not independently  estimated  due to  the  limited availability  of
public  data.   Rather,  at  EPA's request, the  results  for  commercial  LLW
disposal were used  as  the basis for calculating costs and risks associated
with DOE  disposal.   EPA's  approach  is  based  on   information  from  DOE
personnel  in  which  DOE  waste was stated  to  be  similar in  character  to
commercial LLW, although different in total volume [MEY86c, DOE82a].

     While EPA is aware that  the assumptions described further below are
only first  order  approximations,  the procedure seemed to  be  the  best one
available considering the  lack of necessary  information on  DOE waste and
site characteristics.

     Generally-, the calculation  involved adjusting the results estimated  for
the disposal of commercial  LLW  by  the relative  regional volume  of DOE  to
                                    G-1

-------
commercial LLW.    A region-specific  DOE adjustment  factor  is  necessary
since unit health risks vary  substantially across  the  three hydrogeologic
regions,   and  since  the   regional  distribution  of  waste   volume  differs
substantially  from   DOE and  commercial  LLW.   Multiplying  the costs  and
population health   risks  by  the  DOE  adjustment  factors  provides  the
                                                   **
associated costs  and risks for DOE waste disposal.     In the  LLW  analysis
of alternative standards, the nine commercial  wastes expected to meet EPA's
proposed   U   millirem  BRC  criterion  were   excluded.   Consequently,  an
analogous  proportion of BRC  waste was  calculated for DOE waste  in each
hydrogeologic region, which reflects  the  ratio of  commercial  BRC  to total
commercial waste volume,  excluding  NARM  (since  DOE does  not  generate
NARM  waste).   Since  it  was  necessary  to  estimate  DOE  impacts  for four
different  implementation assumptions  for  both  the  BRC criterion  and  LLW
standard,  each  at  several  alternative  levels, the methodology  is essentially
equivalent to  assuming that  25 "DOE Analog"  wastes exist, each identical in
character (and proportional  in volume) to one of the 25  commercial LLW.

     In  the  BRC  analysis,   which   evaluates   the  cost-effectiveness  of
regulation for each  waste, the regional  DOE  increase factors are multiplied
by  waste-specific  volumes.   Therefore,   DOE  and commercial  wastes are
explicitly  assumed  to have the same  distribution of BRC candidate volumes
     As  discussed  in  Chapter 3,  regional  DOE  volumes  were  estimated
     independently  from  DOE86,  after  assigning  the  DOE sites  responsible
     for  waste  generation   to  one  of  the  three  hydrogeologic  regions
     evaluated in this study.
**   To  calculate  the  costs and  health  effects  for  DOE waste  disposal,
     commerical  costs  and  health effects  were  multiplied  by  a  factor of
     O.OOOH in the  humid impermeable  region, by a factor of 0.5378 in the
     humid  permeable  region,  and  by  a  factor  of  2.1076  in"  the   arid
     permeable region.
                                    C-2

-------
in each hydrogeologic region.   Similarly, the LLW DOE impacts calculation
implicitly  assumes  that  commercial  and DOE  waste volumes  have the same
distribution within each  hydrogeologic  region.   Since the  separate  wastes
are characterized by  different  unit  risks and costs, DOE  and commercial
LLW must have the same volume  distribution across wastes if the results for
commercial waste are to be adjusted simply on the basis  of  relative volume.
For the same reason, the methodology implicitly assumes that DOE waste  has
the same  set  of waste  streams  as  commercial and  is  characterized  by  the
same concentration and distribution  of radionuclides.

     The  unit costs associated with these "DOE  Analog" waste  streams  are
assumed   to  be  the   same  as  commercial   with  the  exception   of  the
transportation cost component.   Since DOE waste is expected to  be disposed
onsite,  a  10-mile transportation distance  is  assumed  rather than the  650-
mile  distance  assumed  for  commercial.   This translates into  about  a>  96
percent savings in transportation costs for DOE waste disposal.

     In summary,  this  methodology,  which  adjusts  the results from  the
commercial LLW  and BRC analyses on the  basis of relative volume,  is based
on the following  assumptions:  (1)  DOE  has  the same set of waste streams
as commercial,  (2)  the  concentration and distribution of radionuclides is  the
same  for   these  corresponding  commercial  and   DOE waste streams,  (3)
although aggregate volumes  differ,  the distribution of these volumes (i.e.,
the individual waste stream  volume  as a percent  of total  regional volume) is
the same  for DOE and commercial  waste  within  each  hydrogeologic  region,
(4) DOE will have the  same percentage of BRC waste as commercial  in each
hydrogeologic  region,  and (5) the unit  costs  of  disposal are assumed  to  be
the same for DOE and commercial with the exception of transportation  costs.
     However,  at the eighth annual DOE Low-Level Waste Management Forum
     held  in  Denver,  Colorado,  on  September  23-25,  1986,  .A.  Louise
     Dressen states:  "DOE, on the other hand, has  found  in their analyses
     that at the  1  mrem/year  [BRC]  level,  they see little  or no significant
     reduction  in the volume  of waste to be disposed of as LLW, at least at
     Idaho and  Savannah  River;  they  also see minimal corresponding  cost
     savings"  [ECC87].
                                    C-3

-------
     Under  the   above  assumptions,   the  total  costs  and  health  risks
associated  with DOE  waste disposal  were  calculated for  the  17 regulated
disposal  practices  considered in  the  LLW analysis  and  for  the  weighted
average  of the five  unregulated  disposal  options considered in the  BRC
analysis.   These calculations are presented in Table C-1.   In  addition,  the
economic impacts tables used in both the BRC and  LLW analysis,  under each
of the four implementation assumptions, are presented in  Tables G-2 to C-9.

-------
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LUATION OF ALTERNATIVE BRC CRITERIA FOR COMMERCIAL
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