Quality Review Guidelines For 1990 Base Year Emission Inventories


         United States
         Environmental Protection
         Agency
Office of Air Quality
Planning and Standards
Research Triangle Park, NC 27711
   EPA-454/R-92-007
(Revises EPA-450/4-91-022)
   August 1992
         Air
& EPA
     QUALITY REVIEW GUIDELINES
          FOR 1990  BASE YEAR
         EMISSION INVENTORIES

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                               EPA-454/R-92-007
                           (Revises EPA-450/4-91-022)
QUALITY REVIEW GUIDELINES
     FOR 1990 BASE YEAR
    EMISSION INVENTORIES
        Office Of Air Quality Planning And Standards
            Office Of Air And Radiation
         U. S. Environmental Protection Agency
          Research Triangle Park, NC 27711

               August 1992

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This report has been reviewed by the Office Of Air Quality Planning And Standards, U. S. Environmental
Protection Agency, and has been approved for publication.  Any mention of trade names or commercial
products is not intended to constitute endorsement or recommendation for use.
                                     EPA^t54/R-92-007

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                        TABLE OF CONTENTS

Section                                                      Page

DISCLAIMER	ii

LIST OF TABLES	V

1.0  INTRODUCTION	1-1

     1.1  Background	1-1

     1.2  Purpose of Document	1-2

2.0  OVERVIEW OF INVENTORY GUIDELINES 	  2-1

3.0  LEVEL I REVIEW	3-1

     3.1  Introduction	3-1

     3.2  Instructions for Completing Level I Review
          Checklist for Ozone Nonattainment
          Inventories	3-2

4.0  LEVEL II REVIEW	4-1

     4.1  Introduction	4-1

     4.2  Instructions for Completing Level II Review
          Checklist for Ozone Nonattainment
          Inventories	4-1

     4.3  Stationary Point Sources  	  4-3

     4.4  Stationary Area Sources	4-9

     4.5  Area On-Road Mobile Sources 	  4-19

     4.6  Area Non-Road Mobile Sources  	  4-28

5.0  ON-ROAD MOBILE SOURCES DETAILED REVIEW 	  5-1

     5.1  Introduction	5-1

     5.2  Instructions for Completing On-Road Mobile
          Sources Detailed Review Checklist 	  5-1

6.0  NON-ROAD MOBILE SOURCES DETAILED REVIEW  	  6-1

     6.1  Introduction	6-1

     6.2  Instructions for Completing Non-Road Mobile
          Sources Detailed Review Checklist .  	  6-1
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                        TABLE OF CONTENTS
                           (Continued)

Section                                                      Page

7.0  INVENTORY REVIEW SUMMARY AND FOLLOW-UP ACTIVITIES   .  .  .  7-1

Appendix A - CHAIN OF CUSTODY FORMS AND QUALITY REVIEW CHECKLIST
             FOR OZONE NONATTAINMENT EMISSION INVENTORIES

     Form A-l.  Identification of Responsible Agencies and
     Specification of Geographic Scope  .... 	  A-l

     Form A-2.  Inventory Quality Review Record 	  A-3

     Form A-3.  Record of Correspondence Concerning Inventory
     Quality Review 	  A-5

     Table A-l.  Level I Quality Review Checklist  	  A-8

     Table A-2.  Level II Quality Review Checklist  ....  A-15

Appendix B - CHAIN OF CUSTODY FORMS AND QUALITY REVIEW CHECKLIST
             FOR CARBON MONOXIDE NONATTAINMENT EMISSION
             INVENTORIES

     Form B-l.  Identification of Responsible Agencies and
     Specification of Geographic Scope  	  .  B-l

     Form B-2.  Inventory Quality Review Record 	  B-3

     Form B-3.  Record of Correspondence Concerning Inventory
     Quality Review 	  B-5

     Table B-l.  Level I Quality Review Checklist  	  B-8

     Table B-2.  Level II Quality Review Checklist  ....  B-12


Appendix C - ON-ROAD MOBILE SOURCES DETAILED
             REVIEW CHECKLIST

     Table C-l.  VMT Estimates	C-l

     Table C-2.  Emission Factor Calculations and Use
     of MOBILE4.1	C-8
Appendix D - NON-ROAD MOBILE SOURCES DETAILED
             REVIEW CHECKLIST

     Table D-l.  Non-Road Mobile Sources Detailed
     Review Checklist 	 D-l


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                                IV

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                          LIST OF TABLES

Table                                                        Page

1-1  List of EPA Guidance Materials For Emission
     Inventories	1-3

3-1  VOC, CO, and NO, Emission Sources	3-5

3-2  Area Source Seasonal Adjustment Factors for
     the Peak Ozone and CO Seasons	3-9

3-3  List of Non-reactive VOC that are not to be Included
     as VOC in SIP Nonattainment Inventories	3-10

3-4  Existing VOC Regulations and Control Requirements
     That May Affect SIP Inventories	3-12

3-5  Individual Point Source Categories .... 	  3-14

3-6  Required Parameters for Process,  Point, and Segment
     Level Data	3-23

4-1  Example of SAMS Inventory Output Table for
     Point Sources	'	4-6

4-2  Vehicle Registration and Gasoline Sales Data for
     Use. in Completing the Area Highway Mobile Sources
     Checklist	4-27

7-1  Example Outline for Memo to Transmit Regional Office
     Quality Review Comments to States  	  7-3
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                        1.0  INTRODUCTION

1.1  Background

     Under the Clean Air Act Amendments  (CAAA) of 1990, the
requirements of Title I continue and embellish many of the
programs of the EPA's previously proposed Post-1987 Policy for
State Implementation Plans (SIP's).  States will have the
responsibility to inventory emissions, contributing to National
Ambient Air Quality Standards (NAAQS) nonattainment, including
ozone and carbon monoxide (CO).  The CAAA establish nonattainment
area classifications and inventory requirements ranked according
to the severity of the area's air pollution problem.  For ozone
there are five nonattainment classifications identified as
marginal, moderate, serious,  severe, and extreme.  Two
classifications are given for CO nonattainment areas, moderate
and serious.  Starting with a base year inventory in 1990, States
will be required to track these emissions over, time and ensure
that control strategies are being implemented that reduce
emissions and move areas toward attainment.

     States will be able to compile 1990 base year inventories
using much of the procedural guidance issued in connection with
the proposed Post-1987 Policy.  One significant change is a new
requirement for ozone nonattainment inventories to include
biogenic emissions.  Additionally, States will be required to use
the EPA's revised mobile source emissions factor model, MOBILE4.1
(California may continue to use the EMFAC model).  Base year
inventories developed and submitted under the 1990 CAAA will also
be required to conform to more standardized and rigorous
reporting and documentation provisions than previous inventories.
All ozone/CO inventory data submitted to the EPA under 1990 CAAA
requirements must be in an Aerometric Information Retrieval
System (AIRS)-compatible format before final approval of the SIP
is given.  However, the EPA will allow States the option to use
current SIP Air Pollutant Inventory Management System (SAMS)  PC
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packages to collect point source data until this information can
be transferred to the AIRS format according to EPA guidance
procedures.  Point source data transfer from the SAMS PC package
to the AIRS Facility Subsystem (AFS) was scheduled to begin in
January 1992.

     The EPA promulgated final nonattainment designations for
areas under the NAAQS program on November 6, 1991.  Based on a
nonattainment area's classification, the CAAA require additional
inventories to be prepared, beyond the base year 1990 inventory.
For ozone nonattainment areas there are four possible
inventories:  a base year inventory; a periodic inventory; a
reasonable further progress projection inventory; and a modeling
inventory.  For CO nonattainment areas, there are three types of
inventories:  a base year inventory; a periodic inventory; and a
modeling inventory.  With both ozone and CO nonattainment areas,
the base year inventory is the primary inventory from which all
of the others are derived.

     To assist States with the preparation of base year
inventories, the EPA has developed a large complement of
inventory guidance materials.  A listing of the guidance
materials published for preparing the 1990 base year inventory is
given in Table 1-1.  With dozens of inventories being prepared
all across the country, the EPA is concerned about consistency,
quality, and adherence to the published guidance.  To this end,
this document has been developed to serve as a common basis for
quality review of revised SIP inventories in all ten EPA regions.

1.2  Purpose of Document

     The primary purpose of this document is to provide a
standard set of guidelines to use in conducting formal reviews of
1990 base year SIP inventories received from ozone and CO
nonattainment areas.  Having a standard set of inventory review
guidelines will help ensure national consistency in the level of
scrutiny that submitted inventories will undergo.  These
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                            TABLE 1-1

     LIST OF EPA GUIDANCE MATERIALS FOR EMISSION INVENTORIES
1.   Emission Inventory Requirements For Ozone State
     Implementation Plans. EPA-450/4-91-010, U. S. Environmental
     Protection Agency, Office of Air Quality Planning and
     Standards, Research Triangle Park, North Carolina,
     March 1991.

2.   Procedures for the Preparation of Emission Inventories for
     Carbon Monoxide and Precursors of Ozone. Volume I;  General
     Guidance for Stationary Sources. EPA-450/4-91-016, U. S.
     Environmental Protection Agency, Office of Air Quality
     Planning and Standards, Research Triangle Park, North
     Carolina, May 1991.

3.   Procedures for the Preparation of Emission Inventories for
     Carbon Monoxide and Precursors of Ozone, and II;  Emission
     Inventory Requirements for Photochemical Air Quality
     Simulation Models. EPA-450/4-91-014,  U. S. Environmental
     Protection Agency, Office of Air Quality Planning and
     Standards, Research Triangle Park, North Carolina, May 1991.

4.   Emission Inventory Requirements for Carbon Monoxide State
     Implementation Plans. EPA-450/4-91-011, U. S. Environmental
     Protection Agency, Office of Air Quality Planning and
     Standards, Research Triangle Park, North Carolina,
     March 1991.

5.   Example Documentation for 1990 Base Year Ozone and Carbon
     Monoxide State Implementation Plan Inventories. EPA-450/4-
     92-007, U. S. Environmental Protection Agency, Office of Air
     Quality Planning and Standards, Research Triangle Park,
     North Carolina,  March 1992.

6.   Procedures for Emission Inventory Preparation. U.  S.
     Environmental Protection Agency, Office of Air Quality
     Planning and Standards, Research Triangle Park, North
     Carolina:

     a.    Volume I:  Emission Inventory Fundamentalsr EPA-450/4-
          81-026a, September 1981.

     b.    Volume II:   Point Source,  EPA-450/4-8l-026b,
          September 1981.

     c.    Volume III:  Area Source,  EPA-450/4-81-026C,
          September 1981.
(continued)
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     d.   Volume IV:  Mobile Sources. EPA-450/4-81-026d (revised
          version to be issued June 1992.

     e.   Volume V:  Bibliography. EPA-450/4-81-026e,
          September 1981.

7.   AIRS Facility Subsystem Source Classification Codes  fSCCs)
     and Emission Factor Listing for Criteria Pollutants. U. S.
     Environmental Protection Agency, Office of Air Quality
     Planning and Standards, Research Triangle Park, North
     Carolina, September 1989.

8.   Guidance for the Preparation of Quality Assurance Plans for
     0,/CO SIP Emission Inventories.  EPA-450/4-88-023,  U.  S.
     Environmental Protection Agency, Office of Air Quality
     Planning and Standards, Research Triangle Park, North
     Carolina, December 1988.

9.   Quality Assurance Program for Post-1987 Ozone and Carbon
     Monoxide State Implementation Plan Emission Inventories.
     EPA-450/4/89-004, U. S. Environmental Protection Agency,
     Office of Air Quality Planning and Standards, Research
     Triangle Park, North Carolina, March 1989.

10.  SIP Air Emission Inventory Management System (SAMS) Version
     4.1 and SAMS User's Guide. U. S. Environmental Protection
     Agency, Office of Air Quality Planning and Standards,
     Research Triangle Park, North Carolina, September 1991.

11.  User's Guide to MOBILE4.1 (Mobile Source Emission Factor
     Model). EPA-AA-TEB-91-Ol, U. S. Environmental Protection
     Agency, Office of Mobile Sources, Ann Arbor, Michigan,
     July 1991.

12.  Procedures for Estimating and Applying Rule Effectiveness in
     Post-1987 Base Year Emission Inventories for Ozone and
     Carbon Monoxide State Implementation Plans. U.  S.
     Environmental Protection Agency, Office of Air Quality
     Planning and Standards, Research Triangle Park, North
     Carolina, June 1989.

13.  Surface Impoundment Modeling System (SIMS) Version 2.0
     User's Manual. EPA-450/4-90-019a, U. S. Environmental
     Protection Agency, Research Triangle Park, North Carolina,
     September 1990.

14.  Background Document for Surface Impoundment Modeling System
     (SIMS) Version 2.0. EPA-450/4-90-019b, U. S. Environmental
     Protection Agency, Research Triangle Park, North Carolina,
     September 1990.
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guidelines will also ensure the proper documentation of review
activities to allow for serial review with minimal overlap.  A
third use of this document and the review guidelines is to
provide the State agencies preparing the inventories with
information to use as a self-check prior to submitting the
inventories to the EPA.

     This document provides review guidelines that address
whether States followed the overall requirements for base year
inventory preparation published in the guidance material shown in
Table l-l and whether the inventories meet developed
specifications for completeness, consistency (both internal and
with national trends), reasonableness of emission values, and
overall documentation requirements.  The review guidelines given
in this document are not meant to be used to determine the
absolute accuracy of an inventory or whether values are "right or
wrong."  Similarly, a "No" answer to a checklist question does
not necessarily mean that an item is deficient (e.g., there may
have been an alternate approach used that may be acceptable if
properly justified).  Instead, the guidelines should serve as a
mechanism for identifying areas 6f incomplete emissions data,
inadequate documentation, or potential errors,  and for
determining if the recommended procedural elements were included.
The guidelines will also promote timely feedback to the preparing
agency on ways they need to revamp their inventory to be
acceptable for the purposes of 1990 base year inventories.

     Two levels of review have been designed and are presented in
this document.  The document contains a set of model forms and
review checklists in Appendices A, B, C, and D that expedite the
review processes.  The model forms may be adapted to meet the
needs and requirements of the reviewing agency.  The review
checklists may be copied and used as often as necessary.

     Instructions for completing the checklist in Appendix A are
given in Sections 3 and 4.  Instructions for completing the
checklists in Appendices C and D are given in Sections 5 and 5,
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respectively.  This draft of the guidance document does not
contain specific instructions for the CO nonattainment inventory
review.  However, where many of the checklist items in Appendix B
are the same as or similar to items in the ozone review
checklist, the same instructions would apply.  Appendices C and D
provide detailed review checklists for on-road mobile sources
that supplement the review questions found in Appendices A and B.
A more detailed description of the two levels of review and the
overall intended review process is given in Section 2.
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              2.0  OVERVIEW OF INVENTORY GUIDELINES

     The quality review program for 1990 base year emission
inventories presented in this document contains two levels of
review known as Level I and Level II.  The Level II review is
significantly more detailed and specific than the Level I review
and should be performed after the Level I review is completed.
There are, for example, questions in Level I that, if answered
negatively, would require the reviewing agency to send the
inventory back to the preparers for revision before further
review could be performed.  Failure to meet minimum standards set
forth in Level I would dictate that Level II should not even be
attempted.

     Level I is intended to be a global check of the inventory to
ensure that it meets the minimum requirements and quality
standards set forth in the guidance documents Emission Inventory
Recruirements for Ozone State Implementation Plans
(EPA-450/4-91-010) and Emission Inventory Requirements for Carbon
Monoxide State Implementation Plans (EPA-450/4-91-011).  Purposes
of the Level I checks include:

          ensuring that the whole inventory was prepared
          according to the specified procedures (e.g., seasonal
          adjustment, rule effectiveness)  and that all essential
          data elements (e.g., point, area, and mobile sources,
          VOC, NOX, and CO emissions) are present;

          flagging obvious omissions for the purpose of providing
          immediate feedback to the preparing agency; and

         • providing the basis for making decisions regarding
          whether or not inventory review should continue in the
          event that problems are discovered.
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Level I is explained in detail in Section 3, as is the guidance
for using the Level I checklists.  The complete Level I
checklists for ozone and CO nonattainment inventories are given
in Appendix A, Table A-l and Appendix B, Table B-l, respectively.

     The Level II quality review process is much more detailed
and specific than Level I.  Its purpose is to check the inventory
with respect to completeness of source coverage, correct
application of procedural requirements, and overall consistency
both within the inventory and with nationally-based
representative values.  The consistency checks in Level II
provide only a relative measure of accuracy for values and do not
necessarily show whether a value is correct or not.  Level II
checks have been developed for stationary point sources,
stationary area sources, area on-road mobile sources, and area
non-road mobile sources.  Detailed descriptions of the Level II
checks for these sources can be found in Section 4.  The Level II
checklists are contained in Appendices A and B, with Table A-2
for ozone nonattainment inventories and Table B-2 for CO
nonattainment inventories.

     Special attention should be paid to the first three forms in
Appendices A and B.  These forms are part of the review package
but are not part of either the Level I or Level II checklists.
These forms are more administrative in nature in terms of
properly identifying the inventory and documenting how the
quality review was performed.  Forms A-l or B-l should be filled
out for each applicable ozone or CO nonattainment inventory that
is submitted.

     Forms A-2 and B-2 document the quality review process
carried out at the EPA Regional Office level for ozone and CO
nonattainment inventories.  It records the original receipt of
the inventory and chronicles who reviewed it, when they reviewed
it, and what parts were reviewed.  Forms A-3 and B-3 are used to
provide a record of the correspondence between the Regional
Office and the States on discussions relating to inventory
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preparation and quality.  Forms A-3 and B-3 only require that a
copy of all such correspondence be attached as a part of the
quality review package.

     A detailed review checklist of on-road mobile sources has
been prepared by the EPA's Office of Mobile Sources  (QMS) and is
found in Appendix C.  This checklist provides specific review
questions concerning vehicle miles travelled (VMT) estimates and
emission factor calculations for on-road mobile sources.  Review
questions cover the use of MOBILE4.1, Highway Performance
Monitoring System (HPMS) data, and the Urban Transportation
Planning System (or similar transportation planning models) in
developing emissions data for on-road mobile sources.
Instructions for completing the on-road mobile sources detailed
review checklist can be found in Section 5.  The detailed review
checklist can be found in Appendix C, with Table C-l for VMT
estimates and Table C-2 for MOBILE4.1 emission factor
calculations.

     A detailed review checklist of non-road mobile sources has
also been prepared by QMS and is found in Appendix D.  This
checklist provides specific review questions concerning the
development of emission estimates for locomotives, aircraft and
other non-road vehicle and equipment categories (e.g.,
construction equipment).  Instructions for completing the non-
road mobile sources detailed review checklist can be found in
Section 6.  The detailed review checklist can be found in
Appendix D, Table D-l.

     Section 7 of this report discusses how the entire inventory
review process should be summarized and follow-up activities that
should occur.  It describes what activities should take place
once a checklist package has been completed.  Essentially,  the
Regional Office should transmit the completed package back to the
submitting agency and supply them with a write-up describing all
inventory deficiencies.  To complement the summarization
discussion, Section 7 also contains an example of a review
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summary transmittal memo that can be used to debrief  States on

the Regional Office's comments regarding inventory  adequacy.
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                       3.0  LEVEL I REVIEW
3.1  Introduction

     The purpose of this section is to define Level I quality
review as it pertains to 1990 base year inventories and describe
the kinds of specific data quality checks it entails.  Level I  is
essentially the initial level of broad review that should be
performed on ozone and CO nonattainment inventories.  Level I
checks parallel the inventory preparation guidance requirements
found in the reports Emission Inventory Recruirements for Ozone
State Implementation Plans (EPA-450/4-91-010) and Emission
Inventory Requirements for Carbon Monoxide State Implementation
Plans (EPA-450/4-91-011).  The questions found in the Level I
checklists in Appendix A, Table A-l and Appendix B, Table B-l are
designed to quickly and easily allow a determination to be made
as to whether the basic inventory requirements specified by the
EPA have been met.

     Level I ensures that the key "big picture" inventory items
have been satisfactorily addressed before more detailed review
takes place in Level II.  For example, it addresses such items as
inclusion of point, area, and mobile sources; VOC, NOX, and CO
emission estimates; clear definition of the geographic area of
the inventory; key procedural requirements such as rule
effectiveness and ozone "season adjustment; and performance of
quality assurance measures.  The checklist can be used as a
decision tool to determine whether an inventory contains
sufficient information to warrant going through the entire review
procedure.  Level I review is not a measure of whether a specific
number is right or wrong.

     The remainder of this section provides a set of detailed
instructions for inventory reviewers to follow in using the
Level I checklist found in Appendix A.  In addition to the
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instructions, a copy of the associated checklist sections are
also provided for clarification purposes and to avoid having to
jump back and forth between Section 3.0 and Appendix A when
reading the instructions.

3.2  Instructions for Completing Level I Review Checklist for
     Ozone Nonattainment Inventories

     This section contains detailed instructions for completing
the Level I Review Checklist in Appendix A, Table A-l.  The
instructions are keyed to the checklist numbering system found in
the appendix.  The instructions contain text describing how to
use the checklist, tables with examples of the kinds of
information the reviewer should be looking for in the inventory,
and a copy of the actual checklist sections being described to
give the reviewer a quick reference tool as they are reading the
instructions.  If the guidelines in the instructions are not met
by the inventory, the box for that question should be checked
"No."
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Table A-l.  Level I Quality Review Checklist

Question                      Instructions

1.1  INVENTORY OVERVIEW

1.1.1     The nonattainment area that the inventory was developed
          for should be identified in the inventory.

1.1.2     The inventory should indicate the correct
          classification for the nonattainment area (marginal,
          moderate, serious, severe, or extreme).

1.1.3     Each nonattainment area contains a certain number of
          affected counties.  The counties in the nonattainment
          area that are addressed in the inventory should be
          clearly identified.  The reviewer should be aware that
          an inventory may contain only parts (i.e., towns,
          cities) of a county, which together comprise the entire
          nonattainment area.  In this case, the inventory should
          still include emission summaries on a county-specific
          basis, even if the entire county is not represented.
          This will allow designated nonattainment areas to be
          more clearly evaluated for tracking purposes.

1.1.4     The guidelines for SIP nonattainment base year
          inventories require that all 100 ton/yr emission
          sources found in the geographic area extending 25 miles
          out from the boundary of the designated nonattainment
          area be included in the base year inventory; however,
          sources in the 25-mile zone do not have to be included
          in the base year inventory if they also fall under the
          designated boundaries of another ozone nonattainment
          area.  The 25-mile zone should be clearly defined,
          either descriptively or by the use of a map.

1.1.1
1.1.2
1.1.3
1.1.4

Is the nonattainment area to which the inventory is applicable
defined?
Has the correct nonattainment classification (marginal,
moderate, serious, severe, or extreme) been indicated for the
inventory area?
Are individual counties represented in the inventory identified?
Has the 25-mile inventory requirement zone outside of the
nonattainment area been defined and included in the inventory?
YES




NO




COMMENTS




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1.1.5     The inventory should address VOC,  NOX, and CO emissions
          for stationary point sources, stationary area sources,
          on-road mobile sources and non-road mobile sources.  If
          any one of the three is not included for a source type
          where it is applicable (e.g., NOX from mobile sources
          was not covered),  the box should be checked "No."

1.1.6     Summary emission tables should be provided that are
          specific to each pollutant (i.e.,  VOC, NOX, and CO) for
          the inventory area.   An example of what such tables
          should look like is  provided in Table 3-1.

1.1.7     Summary emission tables for each pollutant should be
          provided on an individual county basis.  For example,
          if the nonattainment area has three counties, there
          should be three summary tables for VOC emissions, three
          for NOX, and three for CO.

1.1.8     The calendar year on which the inventory data are based
          and applicable to should be the year 1990.  If a
          previous inventory was used as a starting point,
          documentation should be provided to describe how the
          previous inventory was adjusted to reflect the 1990
          base year.

1.1.5
1.1.6
1.1.7
1.1.3

Have each of the following pollutants been addressed in the
inventory for each- source type where it is applicable?
- Volatile Organic Compounds (VOC)
- Nitrogen Oxides (N0y)
- Carbon Monoxide (CO)
Are tables of summary emission totals provided that are specific
to each pollutant for the inventory area?
- Volatile Organic Compounds (VOC)
- Nitrogen Oxides (NO.,)
- Carbon Monoxide (CO)
Are tables of summary emission totals provided for each
pollutant on a county-specific basis?
- Volatile Organic Compounds (VOC)
- Nitrogen Oxides (NOY)
- Carbon Monoxide (CO)
Is the baseline inventory calendar year basis the year 1990?
YES










NO










COMMENTS










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TABLE 3-1.  VOC, CO AND NOX EMISSION SOURCES
SOURCE OF EMISSIONS

* Storage), Transportation and Marketing of Petrolem
Product* and Volatile Organic Liquids (VOL)
Oil and Gas Production
Petroleum Product and Crude Oil Storage
Bulk Terminals
Bulk Plants
Volatila Organic Liquid Storage and Transfer
Vassals
Barge, Tanker, Tank Truck and Rail Car Cleaning
Barges, Tankers, Tank Trucks and Rail Cars in Transit
Sarvica Station Loading (Stage I)
Service Station Loading (Stage II)
Formulation and Packing VOL for Market
Local Storage (airports, industries that use fuels,
solvents and reactants in their operations)
Industrial Processes
Petroleum Refineries
Natural Gas and Petroleum Product Processing
Lube Oil Manufacture
Organic Chemical Manufacture
Inorganic Chemical Manufacture
Iron & Steel Production
Coke Production
Coke By-Product Plants
Synthetic Fiber Manufacture
Polymers and Resins Manufacture
Plastic Products Manufacture
Fermentation Processes
Vegetable Oil Processing
Pharmaceutical Manufacturing
Rubber Tire Manufacture
SBR Rubber Manufacture
Ammonia Production
Carbon Black Manufacture
Phthalic Anhydride Production
Terephthalic Acid Production
Maleic Anhydride Production
Pulp and Paper Mills
Primary and Secondary Metals Production
Plywood, Particle Board, Pulp Board, Chip or Flake
Wood Board
Charcoal Production
Carbon Electrode and Graphite Production
Paint, Varnish and Other Coatings Production
Adhesives Production
Printing Ink Manufacture
Scrap Metals Clean Up
Adipic Acid Production
Coffee Roasting
Grain Elevators (fumigation)
Meat Smokehouses
Asphalt Roofing Manufacturing
Bakeries
Fabric, Thread and Fiber Dying and Finishing
Glass Fiber Manufacture
Glass Manufacture
Soaps, Detergents and Cleaning Agent Manufacturing,
Formulation and Packaging
Food and Animal Feedstuff Processing and Preparation
Bricks and Related Clays

VOC


X
X
X
X
X
X
X
X
X
X
X
X


X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

X

POLLUTANT!
CO
















X
X
X
X
X
X
X
X
X







X



X
X

X










X
X



X



X
B>
NOX
















X
X
X
X
X
X
X
X
X







X



X
X

X







X
X

X
X



X



X
                    3-5

-------
TABLE 3-1. (continued)
SOURCE OF EMISSIONS

Industrial Surface Coating
Large Appliances
Magnet Wira
Automobile and Light Truck*
Cans
Metal Coils
Fapar/Fabric
Wood Furniture
Matal Furnitura
Miscellaneous Matal Farts and Products
Flatwood Products
Plastic Products
Large Ships
Large Aircraft
Bonindustrial Surface Coating
Architectural Coatings
Auto Rafinishing
Other Solvent Use
Degreasing*
Dry Cleaning
Graphic Arts
Adhesives
Solvent Extraction Processes
Cutback Asphalt
Consumer/Commercial Solvent Use
Asphalt Roofing Kettles
Pesticide Application
Extensa! Coadnution Sources*
Industrial Fuel Combustion
Coal Cleaning
Electrical Generation
Conner cial/ Institutional Fuel Combustion
Residential Fuel Combustion
Resource Recovery Facilities
Solid Waste Disposal
Recycle/Recovery (Primary Metals)
Sewage Sludge Incinerators
Stationary Internal Ccobustion*
Reciprocating Engines
Gas Turbines
Waste Disposal
Publicly Owned Treatment Works
Industrial Wastewatar Treatment
Municipal Landfills
Hazardous Waste Treatment, Storage and Disposal
Facilities
]
voc

X
X
X
X
X
X
X
X
X
X
X
X
X

X
X

X
X
X
X
X
X
X
X
X

X
X
X
X
X
X
X
X
X

X
X

X
X
X
X

POLLUTANTS
CO

























X


X

X
X
X
X
X
X
X

X
X






1
NO,

























X


X
X
X
X
X
X
X
X
X

X
X






          3-6

-------
                           TABLE  3-1.  (continued)
SOURCE OF EMISSIONS

Mobil* Source*
Highway Vehicle*
Nonhighway Vehicle*
I
voc

X
X
3OLLUTANT£
CO

X
X
i
NOT

X
X
•Emissions from these sources may occur from source categories identified elsewhere in Table 3-2. For
example, carbon monoxide and oxides of nitrogen are emitted from industrial boilers at organic inorganic
manufacturing facilities. Likewise, carbon monoxide and oxides of nitrogen are emitted from reciprocating
engines at oil and gas production facilities, and volatile organic compound* are emitted from many
indu*tria* involved in degreasing operations. An effort should be made  to  avoid double counting from these
sources.
Reference:
Procedures  for  the  Preparation of  Emission
Inventories for Carbon  Monoxide and Precursors of
Ozone.  Volume  1. EPA-450/4-91-016,  U.  S.
Environmental Protection Agency, Office of Air
Quality Planning and Standards, Research  Triangle
Park,  North Carolina, May  1991.
                                      3-7

-------
1.1.9     The inventory should address emissions for stationary
          point sources, stationary area sources, on-road mobile
          area sources and non-road mobile area sources.  If any
          one of the four is not included, the box should be
          checked "No."

1.1.10    For each pollutant, the reviewer is asked to calculate
          the percent contribution to emissions from each of the
          four major source types:  stationary point sources
          (SPS), stationary area sources (SAS), on-road mobile
          area sources (OMAS),  and non-road mobile area sources
          (NMAS).  Enter the percent contributions on the lines
          provided.  The percentages should be for the total area
          included in the inventory and not individual counties.

1.1.11    The reviewer should check the emission estimates and
          the calculations to verify that emissions are specific
          to the ozone season and that daily activity has been
          incorporated into the estimate.  Examples of seasonal
          adjustment factors for area sources are given in
          Table 3-2.

1.1.12    The reviewer should check the inventory and the
          documentation to ensure that non-reactive VOC's have
          not been included in the VOC emission totals.  Non-
          reactive VOC's are not allowed to be counted as VOC for
          the purposes of SIP ozone nonattainment inventories.
          The list of non-reactive VOC's is given in Table 3-3.

1.1.9
1.1.10
1.1.11
1.1.12

Have each of the following source types been addressed in the
inventory?
- Stationary Point Sources (SPS)
- Stationary Area Sources CSAS)
- On- Road Mobile Area Sources (OMAS)
- Non-Road Mobile Area Sources (NMAS)
Specify the percent contribution of each of the source types
listed in 1.1.9 to the total, inventory emissions for VOC, NOX,
and CO.
voc(t) N0xj32 cqjxj.
-SPS
-SAS
-OMAS 	
-NMAS 	 	 	
Oo the emissions estimates for VOC, NOX, and CO reflect seasonal
and weekday adjustments?
Have adjustments been made to the VOC emissions estimates to
reflect the non- reactive compounds that cannot be counted as VOC
emissions for the purpose of SIP attainment inventories?
YES







NO







COMMENTS







tla. (Mia
                               3-8

-------
       TABLE 3-2.
    AREA SOURCE SEASONAL ADJUSTMENT FACTORS
    FOR THE PEAK OZONE AND CO SEASONS
CATEGORY


Gasoline Service Station*
Tank Trucks in Transit
Tank Truck Unloading (Stage I)
Vehicle Fueling (Stag* II)
Storage Tank Breathing Loss as
Solvent Users
Dagraasing
Dry Cleaning
Surface Coatings
Architectural
Auto Refinishing
Other Small Industrial
Graphic Arts
Cutback Asphalt
Pesticides
Conner c i al /Consumer
Haste Management Practices
POTWs
Hazardous Waste TSDFs
Municipal Landfills
Stationary Source Fossil Fuel Use
Residential
Conner cial/ Institutional
Industrial
Solid Waste Disposal
On-Site Incineration
Open Burning



Structural Fires
Field/Slash/Prescribed
Burning
Wildfires

Off-Highway Mobile Sources
Argri cultural Equipment
Construction Equipment
Industrial Equipment
Lawn & Garden Equipment
Motorcycles
SEASONAL ADJUSTMENT FACTORS

VOC
Seasonal variations in
throughput vary from area
to area. Use average
temperature for a summer
day where appropriate.

Uniform
Uniform

1.3
Uniform
Uniform
Uniform
0
1.3
Uniform

1.*
1.2
Uniform

0.3
0.6
Uniform

Uniform
Refer to local
regulations and practices


Uniform

0
Refer to local fire
conditions

1.1
Uniform
Uniform
1.3
1.3

CO





















1.7
1.*
Uniform

Uniform
Refer to local
regulations and
practices

Uniform

0.4
0.2


0.3
Uniform
Uniform
0.3
0.3
ACTIVITY
DAYS PER
WEEK

6
S
7
7

S
5

7
5
5
S

6


7
7
7

7
6
6

7


7
7
7
7




7
S
6
7
7
Reference:
Procedures for the Preparation of Emission
Inventories for Carbon Monoxise and Precursors of
Ozone. Volume 1. EPA-45-/4-91-016, U. S.
Environmental Protection Agency,  Office of Air
Quality Planning and Standards, Research Triangle
Park, North Carolina, May 1991.
                               3-9

-------
     TABLE 3-3.  LIST OF NON-REACTIVE VOC THAT ARE NOT TO  BE
         INCLUDED AS VOC IN SIP NONATTAINMENT INVENTORIES
     Methane
     Ethane
     Methylene chloride
     Methyl chloroform (1,1,1-Trichloroethane)
     Trichlorofluoromethane (CFC-11)
     Dichlorodifluoromethane (CFC-12)
     Chlorodifluoromethane  (CFC-22)
     Trifluoromethane (CFC-23)
     Trichlorotrifluoroethane (CFC-113)
     Dichlorotetrafluoroethane (CFC-114)
     Chloropentafluoroethane (CFC-115)
     2,2-Dichloro-l,1,1,2-trifluoroethane  (HCFC-123)
     2-Chloro-l, 1,1,2-te.trafluoroethane (HCFC-124)
     Pentafluoroethane (HFC-125)
     1,1,2,2-Tetrafluoroethane (HFC-134)
     1,1,1,2-Tetrafluoroethane (HFC-134a)
     1,1-Dichloro-l-fluoroethane (HCFC-14lb)
     1-Chloro-l,1-difluoroethane (HCFC-142b)
     1,1,1-Trifluoroethane  (HFC-143a)
     1,1-Difluoroethane (HFC-152a)

     The following four classes of perfluorocarbon  (PFC):

           (1)  cyclic, branched or linear, completely fluorinated
               alkanes
           (2)  cyclic, branched or linear, completely fluorinated
               ethers with no unsaturations
           (3)  cyclic, branched or linear, completely fluorinated
               tertiary amines with no unsaturations
           (4)  sulfur-containing    perfluorocarbons    with   no
               unsaturations and with sulfur bonds only to  carbon
               and fluorine


Reference:     Procedures   for   the   Preparation   of   Emission
               Inventories  for Carbon  Monoxide and Precursors of
               Ozone.   Volume   1.   EPA-450/4-91-016,   U.   S.
               Environmental  Protection  Agency,   Office of  Air
               Quality Planning and  standards, Research Triangle
               Park, North Carolina, May 1991.
                               3-10

-------
1..1.13    The emission inventory estimates should have been
          determined by taking into account existing regulatory
          requirements.  For the purposes of Level I, the
          reviewer should check that the inventory documentation
          acknowledges the use of existing regulatory
          requirements, and follow up with a more complete review
          of calculations in Level II.  Examples of the types of
          regulations that should have been included are given in
          Table 3-4.

1.1.14    The reviewer should check the inventory documentation
          to make sure that rule effectiveness and rule
          penetration were incorporated where applicable.  These
          conditions are applicable for any source category that
          has existing regulatory requirements on it to reduce
          emissions and that is not an uncontrolled source.  For
          the purposes of Level I, the reviewer should check that
          the documentation in general shows that rule
          effectiveness was used where applicable, and follow up
          with a more complete review of calculations in
          Level II.  In cases where rule effectiveness was
          applied, the reviewer should check to see if an
          effectiveness level other than the 80 percent EPA
          default was used.  If so, documentation should be
          provided for the alternative level used.

1.2  POINT SOURCES

1.2.1     Emission estimates should have been developed for VOC
          point sources with actual emissions of at least
          10 tons/yr.  The reviewer should check the inventory
          documentation to determine how point sources were
          identified for inclusion in the inventory.  Source
          categories such as those shown in Table 3-5 should have
          been evaluated for inclusion in the inventory.  The
          method of source identification should be delineated as
          a part of the documentation.  Identification methods
          might include: 1) existing State permit files, 2) AIRS
          source listings, 3)  NAPAP source listings, 4)
          industrial directory listings, 5)  existing SIP
          inventory listings,  and 6)  source survey results.

1.1.13
1.1.14
1.2
1.2.1

Have alt existing regulatory requirements for each source type
been identified?
Has rule effectiveness and rule penetration been considered into
emission estimates where appropriate? .
POINT SOURCES
Have VOC point sources with actual emissions equal to or greater
than 10 tons/yr been included in the inventory?
YES




NO




COMMENTS




tl3.0<4la
                              3-11

-------
 TABLE  3-4.   EXISTING  VOC  REGULATIONS  AND CONTROL REQUIREMENTS
                 THAT MAY AFFECT SIP INVENTORIES
1.   NESHAP Regulations

2.   NSPS Regulations

3.   Existing SIP requirements such as application of RACT
     specified by CTGs:

     GROUP I

     •    Surface Coating of Cans, Coils, Paper, Fabric,
          Automobiles, and Light Duty Trucks  (EPA-450/2-77-008).

     •    Surface Coating of Metal Furniture  (EPA-450/2-77-032).

     •    Surface Coating for Insulation of Magnetic Wire
          (EPA-450/2-77-033).

     •    Surface Coating of Large Appliances  (EPA-450/2-77-034)

     •    Storage of Petroleum Liquids in Fix'ed Roof Tanks
          (EPA-450/2-77-036).

     •    Bulk Gasoline Plants (EPA-450/2-77-035).

     •    Solvent Metal Cleaning (EPA-450/2-77-022).

     •    Use of Cutback Asphalt (EPA-450/2-77-037).

     •    Refinery Vacuum Producing Systems, Wastewater
          Separators, and Process Unit Turnaround
          (EPA-450/2-77-025).

     •    Hydrocarbons from Tank Gasoline Loading Terminals
          (EPA-450/2-77-026).

     •    Design Criteria for Stage I Vapor Control Systems,
          Gasoline Service Stations, U. S. EPA, OAQPS,
          November 1975.  Unpublished.

     Group II

     •    Leaks from Petroleum Refinery Equipment
          (EPA-450/2-78-036).

     •    Surface Coating of Miscellaneous Metal Parts and
          Products (EPA-450/2-78-015).
 (continued)                    3-12

-------
                      TABLE 3-4.  Continued
     •    Surface Coating of Flat Wood Paneling
          (EPA-450/2-78-032),

     •    Manufacture of Synthesized Pharmaceutical Products
          (EPA-450/2-78-029).

     •    Manufacture of Pneumatic Rubber Tires
          (EPA-450/2-78-030).

     •    Graphic Arts - Rotogravure and Flexography
          (EPA-450/2-78-033).

     •    Petroleum Liquid Storage in External Floating Roof
          Tanks (EPA-450/2-78-047).

     •    Perchloroethylene Dry Cleaning Systems
          (EPA-450/2-78-050).

     •    Leaks from Gasoline Tank Trucks and Vapor Collection
          Systems (EPA-450/2-78-051).

     GROUP III

     •    Control of VOC Emissions from Large Petroleum Dry
          Cleaners (EPA-450/3-83-009).

     •    Control of VOC Emissions from Manufacture of High
          Density.  Polyethylene, Polypropylene, and Polystyrene
          Resins  (EPA-450/3-83-008).

     •    Natural Gas/Gasoline Processing Plants
          (EPA-450/3-83-007).

     •    SOCMI Fugitive (EPA-450/3-83-006).

     •    SOCMI - Air Oxidation (EPA-450/3-84-015).
Reference:     Procedures for the Preparation of Emission
               Inventories for Carbon Monoxide and Precursors of
               Ozone. Volume 1. EPA-450/4-91-016, U. S.
               Environmental Protection Agency, Office of Air
               Quality Planning and Standards, Research Triangle
               Park, North Carolina, May 1991.
                              3-13

-------
          TABLE 3-5.   INDIVIDUAL POINT SOURCE CATEGORIES
Storage. Transportation and Marketing of Petroleum Products  and
Volatile Organic Liquids (VOL)

Oil and Gas Production
  Storage
  Fugitives
  Other Process Units (specify)

Natural Gas and Gasoline Processing
  Storage
  Fugitives
  Other Process Units (specify)

Oil Processing
  Storage
  Fugitives
  Other Process Units (specify)

Tank Farms (specify material stored)
  Fixed Roof Tanks
  External Floating Roof, Tanks
    Primary Seals
    Secondary Seals
  Internal Floating Roof Tanks

Bulk Gasoline and VOL Terminals
  Leaks from Valves, Flanges, Meters, Pumps
  Vapor Collection Losses
  Vapor Control Unit Losses
  Filling Losses from Uncontrolled Loading Racks
  Tank Truck Vapor Leaks from Loading of Gasoline
  Non-tank Farm Storage

Gasoline Bulk Plants
  Gasoline Bulk Storage
  Loading and Unloading Racks  (Controlled and Uncontrolled)
  Tank Truck Vapor Leaks from Loading and Unloading of Gasoline
  Leaks from Valves, Flanges, Meters, Pumps

Barge and Tanker Transfer
  Gasoline Loading/Barge
  Crude Oil Ballasting/Tanker

Barge and Tanker Cleaning
                               3-14

-------
                      TABLE 3-5.  Continued
Industrial Processes

Petroleum Refineries
  Process Drains and Wastewater Separators
  Vacuum Producing Systems
  Process Unit Turnarounds
  Fugitive Leaks from Seals, Valves, Flanges,
    Pressure Relief Devices, Drains
  Other Process Emissions such as Heaters, Boilers,
    Cat Cracker Regenerators (specify)

Lube Oil Manufacture

Pharmaceutical Manufacture
  Process Units such as Vacuum Dryers, Reactors, Distillation
    Units, Filters, Extractors, Centrifuges, Crystallizers
  Major Production Equipment such as Exhaust Systems and
    Air Dryers
  Storage and Transfer
  Other Process Units (specify)

Rubber Tire Manufacture
  Undertread and Sidewall cementing
  Bead Dipping
  Bead Swabbing
  Tire Building
  Tread End Cementing
  Green Tire Spraying
  Tire Curing
  Solvent Mixing
  Solvent Storage
  Other Process Units (specify)

Styrene Butadiene Rubber Manufacture
  Slowdown Tanks                     ,,
  Steam Stripper
  Prestorage Tanks
  Other Process Units (specify)

Vegetable Oil
  Oil Extraction and Desolventization
  Meal Preparation
  Oil Refining
  Fugitive leaks
  Solvent Storage
  Other Process Units (specify)
                               3-15

-------
                      TABLE 3-5.  Continued
Organic Chemical manufacture (specify major chemicals)
  Fugitive Leaks from Seals, Valves, Flanges,
    Pressure Relief Devices, Drains
  Air Oxidation Units
  Waste Water Separators
  Storage and Transfer
  Other Process Units (specify)

Polymer and Resin Manufacture
  Catalyst Preparation
  Reactor Vents
  Separation of Reactants, Solvents and
    Diluents from Product
  Raw Material Storage
  Solvent Storage
  Other Process Units (specify)

Plastic Products Manufacture
  Mold Release
  Solvent Consumption
  Adhesives Consumption
  Other Process units (specify)

Inorganic Chemical Manufacture
  Fugitive Leaks from Seals, Valves, Flanges,
    Pressure Relief Devices, Drains
  Storage and Transfer
  Other Process Units (specify)

Fermentation Processes
  Fermentation Tank Venting
  Aging/Wine or Whiskey
  Other Process Units (specify)

Iron and Steel Manufacture
  Coke Production
    Coke Pushing
    Coke Oven Doors
    Coke Byproduct Plant
    Coke Charging
    Coal Preheater
    Topside Leaks
    Quenching
    Battery Stacks
  Sintering
  Electric Arc Furnaces
  Other Process Units (specify)
                               3-16

-------
                      TABLE 3-5.  Continued
Synthetic Fiber manufacture
  Dope Preparation
  Filtration
  Fiber Extrusion - Solvent Recovery
  Takeup Stretching, Washing, Drying, Crimping, Finishing
  Fiber Storage - Residual Solvent Evaporation
  Equipment Cleanup
  Solvent Storage
  Other Process Units (specify)

Chemical Manufacturing
  Adipic Acid
  Nitric Acid
  Other

Mineral Products
  Cement
  Glass
  other

Industrial Surface Coating

Large Appliances
  Cleaning and Pretreatment
  Prime Spray, Flow, or Dip Coating Operations
  Topcoat Spray
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions (specify)

Magnet Wire
  Cleaning and Pretreatment
  Coating Application and Curing
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions (specify)

Automobiles and Light Duty Trucks
  Cleaning and Pretreatment
  Prime Application, Electrodeposition,  Dip or Spray
  Prime Surfacing Operations
  Topcoat Operation
  Repair Topcoat Application Area
                               3-17

-------
                      TABLE 3-5.  Continued
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions (specify)

Cans
  Cleaning and Pretreatment
  Two Piece and Exterior Base Coating
  Interior Spray Coating
  Sheet Basecoating (Interior)
  Sheet Basecoating (Exterior)
  Side Seam Spray Coating
  End Sealing Compound
  Lithography
  Over Varnish
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions (specify)

Paper
  Coating Operations
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions (specify)

Coil Coating
  Prime Coating
  Finish Coating
  Solvent Mixing
  Solvent Storage
  Equipment Cleanup
  Other Process Emissions (specify)

Fabric
  Coating Operations
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions (specify)

Metal and Wood Furniture
  Cleaning and Pretreatment
  Coating Operations
  Coating Mixing
                               3-18

-------
                      TABLE 3-5.  Continued
  Coating and Solvent Mixing
  Equipment Cleanup
  Other Process Emissions  (specify)

Flatwood Products
  Filter
  Sealer
  Basecoat
  Topcoat
  Inks
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions  (specify)

Plastic Products
  Cleaning and Pretreatment
  Coating Operations, Flow, Dip, Spray
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions  (specify)

Large Ships
  Cleaning and Pretreatment
  Prime Coat Operation
  Topcoat Operation
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions  (specify)

Large Aircraft
  Cleaning and Pretreatment
  Prime Coat Operation
  Topcoat Operation
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions  (specify)

Miscellaneous Metal Parts and Products
  Cleaning and Pretreatment
  Coating Operations, Flow, Dip, Spray
  Coating Mixing
  Coating and Solvent Storage
  Equipment Cleanup
  Other Process Emissions  (specify)
                              3-19

-------
                      TABLE 3-5.  Continued
Other Solvent Use

Dry Cleaning
  Perchloroethylene
  Petroleum
  Other

Degreasing
  Open Top Vapor Degreasing
  Conveyorized Degreasing - Vapor
  Conveyorized Degreasing - Cold Cleaning

Solvent Extraction Processes

Adhesives
  Adhesive Application
  Solvent Mixing
  Solvent Storage
  Other Process Emissions (specify)

Graphic Arts
  Letter Press
  Rotogravure
  Offset Lithography
  Ink Mixing
  Solvent Storage

Waste Disposal

Municipal Waste
  Combustion
    Refuse Derived Fuel (RDF)
    Mass Burn
    Co-fired
    Other
  Landfills

Hazardous Waste Treatment, Storage and Disposal Facilities
 (TSDFs)
  Lagoons
  Tanks
  Mixing
  Aeration
  Landfills
  Other
                              3-20

-------
                      TABLE 3-5.  Continued
Publicly Owned Treatment Works (POTWs)
  Tanks
  Lagoons
  Aeration
  Mixing
  Digestion
  Other

Industrial Wastewater Treatment
  Tanks
  Lagoons
  Aeration
  Mixing
  Digestion
  Other

Industrial Boilers
  Co-firing (specify major substances and co=firing fuels,
             such as oil, gas, coal, etc.)

External Fuel Combustion

  Utility Boilers
  Industrial Boilers
  Commercial/Institutional Boilers
  Other External Fuel Combustion

Stationary Internal Combustion

  Reciprocating Engines
  Gas Turbines
Reference:     Emission Inventory Requirements For Ozone State
               Implementation Plans. EPA-450/4-91-010, U. S.
               Environmental Protection Agency,  Office of Air
               Quality Planning and Standards, Research Triangle
               Park, North Carolina, March 1991.
                              3-21

-------
1.2.2     For point sources with voc emissions equal to or
          greater than 10 tons/yr,  the inventory should contain
          process,  point, and segment level data.  The parameters
          represented by these three data types are shown in
          Table 3-6.   The parameters required for SIP inventories
          are noted.

1.2.3     The reviewer should check to see that 100 ton/yr VOC
          emission sources in the 25-mile zone extending out from
          the nonattainment area have been addressed in the
          inventory.   If these sources are included in the
          inventory,  process, point, and segment level data
          should be included as shown in Table 3-6.

1.2.4     The reviewer should check to ensure that NOX and
          CO sources  with emissions of 100 tons/yr or greater
          located in  the nonattainment area and in the 25-mile
          zone extending from the nonattainment area (where
          applicable)  are addressed in the inventory.

1.2.5     The reviewer should check to make sure that
          the required process, point, and segment level data
          shown in Table 3-6 are provided for all 100 ton/yr NOX
          and CO sources.

1.2.2
1.2.3
1.2.4
1.2.5

Have process, point, and segment level data been provided for
VOC point sources with actual emissions equal to or greater than
10 tons/yr?
Have VOC sources in the 25-mile zone outside of the
nonattainment area with emissions greater than 100 tons/yr been
addressed in the inventory?
Have NOX and CO sources in the nonattainment area and 25-mile
zone outside of the nonattainment area with emissions greater
than 100 tons/yr been addressed in the inventory?
Have process, point, and segment level documentation data
required for the 100 ton NOX and CO sources been provided?
YES




NO




COMMENTS




                              3-22

-------
       TABLE 3-6.  REQUIRED  PARAMETERS  FOR "PROCESS,  POINT,
                      AND SEGMENT LEVEL DATA


Applicable data elements that will  be supported by AFS are as
follows.  Data elements required  for the  ozone/CO inventories are
shaded.  These data elements are  more explicitly defined in
documentation for SAMS Version  4.0  and  are further defined with
the specification of AFS batch  transaction formats provided in
May 1991.

List of Data Elements for Plant General Level:

Description

**FIPS state. code1
**FIPS county code
 *year of. record: for emissions
**plant. ID from. APS (.or. NEDS}
 *plant .name [[[
 *str esti' ' address
           - ........
      " cocte
....... local plant ID
            code  ••
 ;;.*p-ant. latitude^
 ;.*planib:. longitude3
• *UTM-. easting3
:*OTifv northing/*
  township/modeling grid
 *primary SIC code
  secondary SIC code
  tertiary SIC code
  principal product
  number of employees
  plant area
  plant contact
  contact telephone number
  type of inventory
  plant comment

 * Mandatory for AFS format, for Adds.
** Mandatory for both Adds and Changes to AFS.

Note for FIPS codes:   While SAMS currently uses SAROAD codes,
these will be converted to FIPS codes by SAMS software when AFS
transactions are created by SAMS users.  States that generat  AFS
transactions from other software must use FIPS codes.

2Note for city:   enter  data for either city name or FIPS city
code but not both.  If city code is reported to AFS, ths will be

-------
                      TABLE 3-6.  (continued)
be ignored.  SIP inventory users  in New  England States are
requested to report the FIPS city code if  possible.   This will
permit AFS to generate the appropriate Metropolitan  Statistical
Area (MSA) codes for those States.  Except for  New England
States, the MSA code can be generated from county codes so that
city code is not necessary.

3Note for plant location:   enter data for either  lat/long  or UTM,
but not both.  For cases where both are  reported, UTM data will
be used to update AFS and lat/long data  will  be ignored.


List of Data Elemements for Point General  Level:

Description

**FIPS'. Vtate" code
**F!P.S: -county coda
**plant v.IB from ATS (oir=' NEDS >•
**poIntilD from AFS'"
  local"point .ID
 ': hours-:-1 per day
 . days: per: tteelc
  hours foperated per;' year
  start time (each workday)
  end time (each workday)
  percent throughput.;--- Dec* thru  Feb,.:
  percent, throughput - March thru May-
  percent throughput, - June, thru:..Augv
 : percent, throughput - Sept. thru Nov.
  boiler capacity
  space heat percentage
  point comment

** Mandatory for both Adds and Changes to  AFS.


List of Data Elements for Point Pollutant  Level:

Description

**FIPS state code
**FIPS county code
**plant I,D from AFS (or NEDSO
**point ID from AFS
**pollutant code or CAS code
  measured emissions at point
  emission measurement method code
  measured emissions units
                               3-24

-------
                      TABLE 3-6. (continued)
  SIP regulation in place for point
  compliance year for point
  emission limitation for point
  emission limitation value
  emission limitation units

** Mandatory for both Adds and Changes  to  AFS

List of Data Elements for Stack Level:

Description

**PIPS state code
**FJPS county pode
**plant ID from AFS. (or NEDS};
**stack ID
                    ,.
;:*stack height., (ft);— .
.*stack aiameter.
        .height- (veiit; ; height^' ft).1 ''-•
  latitude for :' stack2'3 .........
  longitutde for stack '
  UTM easting for stack2'3
  UTM northing for stack2'3
  temperature of exit gases  (F)
  exhaust gas flow rate  (ACFM)
  exit gas velocity  (ft/sec)

 * Mandatory for AFS format, for Adds.

** Mandatory for both Adds and Changes to AFS.
        required either to enter stack height and stack diameter
or to enter plume height  (vent height) .

2Note:   for Stack location (if different from Plant) , enter
either lat/long or UTM, but not both.

 Note:   required for AFS only if a stack exists and stack ID has
been entered; for SIP inventories, this parameter  is  not  required
if no stack exists or if photochemical modeling  is  not  required
for an attainment demonstration.
List of Data Elements for Segment General Level:

Description

**FIPS state 'code
**FIPS county code
                               3-25

-------
                      TABLE 3-6.  (continued)
**plant ID^.from: APS:: ':Cpr. NEDS);;
*:*point.,; ID . £ torn: AFS ].'
** segment. ID f£oia AFSi
      '
  sulfur 'percentage
  ash percentage
  heat content
                      _
  maximum design rate
•;*::p$!"- season-" pr ocesiirrate. " (dally). *
'.'••• CO-' season process"* rate-  (daily) •*
x^^ac^'-ID-^'reiated^to^ this- ^segsieht1
  segment comment

 * Mandatory for AFS format,  for  Adds.

** Mandatory for both Adds and Changes  to AFS.
        required for AFS only if a stack exists;  for SIP
inventories, this parameter  is  not required if not stack exists
or if photochemical modeling is not required for attainment
demonstration .
2
Note:   these parameters must be provided unless  they are deemed
to be confidential or their  reporting is  prohibited by State law,


List of Data Element for Segment Pollutant  Level:

Description

**FIPS state code
**FIPS county code
**plant ID from AFs;;'(or NEDS)
**point ID from. AFS ".'_
** segment ID from AFS
**pollutant code, or : CAS code
  primary control:, device, codes
  secondary control . device code1
  control efficiency^
  SIP regulation in ,place for segment
  compliance, year for segment
  emission, limitation ••description for segment
  emission limitation value
 , emission limitation, units
  emission estimation method
  emission factor2
                               3-26

-------
                      TABLE 3-6.  (continued)
  seasonal adjustment  factor
/t' euiriviapl nonbaufced •emissloii ;-• (•estimated actftal};:
  annual banked emission
;•• i'-rtileref fectiveness •
- : Og... season 'emissions;'  ( ii>/day £
            emissidn-
** Mandatory for both Adds  and  Changes to AFS.

        required for SIP inventories only when a  control device
exists.

2Note:   required for SIP inventories only when  the  emission
estimation method code  indicates  that  an emission factor was used
(i.e., method codes 3 and  5  for SAMS reporting or method code 9
for AFS batch format reporting) .   For  other method codes, an
emission factor does not apply and is  not required.

Note:   required for SIP inventories only when  rule is  in place
that affects emissions  of  the pollutant.
                               3-27

-------
1.3  AREA SOURCES
1.3.1     The predominant non-mobile area source categories
          recognized by the EPA in its SIP inventory guidance
          materials are listed here.  The reviewer should go
          through the list and determine which categories have
          been included in the inventory and which have not.
          Documentation should be presented in the inventory
          describing why missing categories were not included.

1.3.2     The reviewer should evaluate the documentation for the
          area source emissions estimates and ensure that, at a
          minimum, all emission factors and activity levels used
          are presented and the sources of these data are given.
          If equations are used (e.g.,. for storage tanks), the
          values of all variables, the sources of the values, and
          any other assumptions used should be presented.  If
          sufficient information is not given to independently
          replicate the emissions estimates, then documentation
          is not sufficient and "No" should be checked.

1.3.3     The reviewer should check to ensure that point source
          contributions have been subtracted out from area source
          category totals whenever appropriate.  Some area source
          categories, such as graphic arts, contain both area and
          point sources.  Large operations are treated as point
          sources and are handled in the point source component
          of the inventory.  However, the mechanism for calcu-
          lating area source emissions involves looking at the
          entire category, including the point source component.
          To avoid double counting, the point source contribution
          has to be subtracted out.  The categories most likely
          to have a point source contribution are degreasing,
          graphic arts, drycleaning, and surface coating.

1.3
1.3.1
1.3.2
1.3.3

AREA SOURCES
Have each of the following major categories of non-mobile area
source emissions been addressed in the inventory?
- Gasoline Distribution, etc.
Are area source emissions estimates documented by providing the
emission factor and activity data used and the sources of these
data?
Where appropriate, have point sources contributions been
subtracted out from area source category estimates?
YES




NO




COMMENTS




tls.OAla
                               3-28

-------
1.4  MOBILE SOURCES

1.4.1     The reviewer should check to ensure that all of the
          eight highway vehicle classes shown in the checklist
          have been addressed for all counties in the inventory.
          Failure to address any category without sufficient
          documentation should result in that category being
          answered "No."

1.4.2     The reviewer should determine if the EPA's MOBILE4.1
          model was used to generate VOC, NOX/ and CO emission
          factors for on-road vehicle emissions estimates.  The
          California Air Resources Board has developed a model
          called EMFAC7D that is more specific to California.
          The model, however, requires more detailed and site-
          specific information and, therefore, MOBILE4.1 may have
          been used even for California areas.  If MOBILE4.1 or
          EMFAC7D (for California only)  was used, answer the
          question "Yes."

1.4.3     The methodology used for determining on-road mobile
          source emission estimates should be explained in the
          inventory report.  This explanation should include a
          discussion of how MOBILE4.1 (or EMFAC7D, for California
          only)  emission factors were used in conjunction with
          vehicle miles travelled (VMT)  data for the inventory
          area to estimate on-road mobile source emissions.

1.4
1.4.1
1.4.2
1.4.3

MOBILE SOURCES
Have all of the following on-road vehicle classes been addressed
in the inventory?
-(LDGV)
-(LDGT1)
-(LDGT2)
-
-------
1.4.4     The reviewer should determine if the VMT data provided
          in the inventory are documented by one of the methods
          shown in the checklist.

1.4.5     The reviewer should check to ensure that all of the
          relevant non-road vehicle classes shown in the
          checklist have been addressed for all counties in the
          inventory.

1.4.6     If an EPA-supplied non-road inventory was not used, the
          reviewer should check the level of documentation of the
          procedure used by ensuring that the parameters in the
          checklist are provided in the inventory.  The question
          should be answered "No" if documentation is missing for
          any vehicle class.  If documentation is missing for
          only one or a small number of classes, note this in the
          comments column.

1.4.4
1.4.5
1.4.6

Are VMT estimates docunented by any of the following methods?
(see checklist}
Have all of the following non-road vehicle classes been
addressed in the inventory?
• aircraft
- railroad locomotives
• agricultural equipment
• construction equipment
• industrial equipment
• airport service equipment
- light commercial equipment
- lawn and garden equipment
• recreational vehicles
- marine vessels
• commercial and recreational
If an EPA-supplied non-road emission inventory was not used, are
emission calculation procedures docunented by providing the
following parameters?
- the emission factor used
- the source of the emission factor
- the activity level used
- the source of the activity level
YES
















MO
















COMMENTS
















Cls.OAla
                               3-30
-------
1.5  QUALITY ASSURANCE PROCEDURES

1.5.1     The reviewer should determine the extent to which the
          QA effort as it was set forth in the IPP, was
          documented.  The reviewer should determine if:
          consistency checks were documented and the comparison
          values provided, completeness checks were performed and
          the comparison reference sources identified,
          reasonableness checks were made and the comparison
          values documented, and if proofing checks were made and
          how many iterations there were.

1.5.2     If some type of QA effort was used in the inventory,
          the reviewer should go through the checklist provided
          and specify the activities performed by checking "Yes"
          where appropriate.  Since the checks listed are
          somewhat subjective, the reviewer should try to match
          them, to the best of their ability, with the QA
          activities described in the inventory.

1.5
1.5.1
1.5.2

QUALITY ASSURANCE PROCEDURES
Are there documented procedures in the submitted inventory that
indicate that a QA/QC program was implemented?
If a quality assurance program was used (Question 1.5.1 is
answered "Yes"), were the following activities performed?
• measures taken to ensure that the point and area
source lists were complete
• the accuracy of the data collected as inputs to
the emissions estimation procedures was checked
- calculations were reviewed to identify errors
- an independent audit of the inventory was
conducted
• other (please specify in "comments")
YES







NO







COMMENTS







tls.041a
                              3-31
-------
-------
                       4.0 LEVEL II REVIEW

4.1  Introduction

     The purpose of this section is to define Level II quality
review procedures for evaluating the emission inventory for each
of the four general source types:  stationary point sources,
stationary area sources, on-road mobile area sources, and non-
road mobile area sources.  The Level II review is presented in a
checklist format and addresses completeness, procedures and
consistency for each of the source types in the inventory.  Since
many of the review checks in Level II expand on items from the
Level I review, the reviewer should have completed the entire
Level I review before proceeding.  Blank checklists for use in
performing and documenting the Level II. quality review are
included in Appendix A, Table A-2 and Appendix B, Table B-2.  The
remainder of this section presents detailed instructions on how
to use the checklists in performing a Level II review.

4.2  Instructions for Completing Level II Review Checklist for
     Ozone Nonattainment Inventories

     This section contains detailed instructions for completing
the Level II review checklist in Appendix A, Table A-2.  The
instructions are keyed to the checklist numbering system found in
the appendix.  The instructions contain text describing how to
use the checklist and a copy of the actual checklist sections
being described to give the reviewer a quick reference tool as
they are reading the instructions.   If the guidelines in the
instructions are not met by the inventory,  or if documentation is
insufficient to determine if guidelines were met, the box for
that question should be checked "No."

     Reviewers should utilize the comments column to describe
specific findings or to qualify their summary findings as deemed
necessary.  If additional comment space is required, reviewers
tla.041a
                               4-1
-------
should attach pages as necessary.  The reviewer should also
utilize the checklist comments column to list the location (i.e.,
page number[s]) in the inventory document where a particular item
is found or discussed.  This page number accounting is important
for two reasons: 1) follow-up comments directed to the preparing
agency should be page number specific, and 2) successive reviews
performed by the EPA can benefit by avoiding duplicative review
efforts necessary to find the specific item in question.
                               4-2
-------
4.3  Stationary Point Source
Table A-2.  Level II Quality Review Checklist
Question                   Instructions
2.1  COMPLETENESS CHECKS - POINT SOURCES

2.1.1     The inventory should include point sources of 10 tpy or
          greater.  Previously, sources that had VOC emissions in
          the range of 10 to 25 tons/yr could be inventoried by
          extrapolating the results of a limited survey of
          sources in the category to the entire category.  Such
          extrapolations are no longer allowed.  Each individual
          VOC source down to 10 tons/yr must be inventoried
          separately.

2.1.2     Check the point source documentation to ensure that the
          listed small emission source types are represented.
          Point sources in the listed categories are expected to
          be present in all inventory areas.  If one or more of
          the categories are not represented, review the
          inventory documentation and describe applicable
          explanations in the comments column.

2.1.3     A typical inventory area is expected to contain point
          sources in each of the listed categories.

2.1
2.1.1
2.1.2
2.1.3

COMPLETENESS CHECKS-POINT SOURCES
Does the inventory include point sources for VOC in the 10-
25 tpy (actual) range?
Are the following VOC point source categories represented among
the 10-25 tpy plant listings?
- Graphic Arts
- Conmercial/ institutional boilers
Are the following broad source categories represented among the
>25 tpy VOC plant listings?
- Storage, Transportation and Marketing of Petroleum Products
and Volatile Organic Liquids
- Industrial Processes
- Industrial Surface Coatings
YES







NO







COMMENTS







tls.OAla
                               4-3
-------
2.1.4     Review the point source documentation and determine if
          the listed CO and NOX emission source categories are
          represented.  Utility and industrial boilers are not
          necessarily present in all inventory areas, but are
          expected to be common in many areas.

2.2  PROCEDURES CHECKS - POINT SOURCES

2.2.1     Review the inventory submittal and determine if
        .  documentation was provided to identify the methodology
          used for arriving at the point source inventory.
          Briefly describe the approach in the comments column of
          the checklist (e.g., based on existing Post-1987
          inventory updated to eliminate facilities that have
          closed, and updated emissions and production data
          through permits, quarterly reports, and plant
          contacts).  In the checklist comments column, identify
          the inventory document page number(s) where the
          requested information is found.

2.2.2     The inventory documentation should define the month(s)
          that were assumed to reflect the ozone season for the
          inventory area.   In the checklist comments column, list
          the period identified as the ozone season and list the
          page number of the documentation where the ozone season
          determination is described.

2.1.4
2.2
2.2.1
2.2.2

Are the following CO and NOX source categories represented among
the plant listings?
- Utility Boilers
- Industrial Boilers
PROCEDURES CHECKS - POINT SOURCES
Does the inventory docunentation describe the methodology used
(i.e., survey, plant inspections, AFS, permit files, etc) to
develop the point source inventory listing?
Does the inventory docunentation describe the methodology used
to define the ozone season?
YES





NO





COMMENTS





                               4-4
-------
2.2.3   .  States submitting point source inventories can choose
          one of four basic options to submit their data:  SAMS
          Version 3.1, SAMS Version 4.0 or the latest version,
          AFS Batch Transaction Format, or interactive direct
          entry to AFS.  If States chose to use SAMS in
          submitting their data, they should have followed the
          EPA guidance on preparing those data for eventual
          transfer to an AFS format.  An example of SAMS Version
          4.0 inventory output for point sources is shown in
          Table 4-1.

2.2.4     The EPA's Surface Impoundment Modeling System (SIMS)
          can be used to estimate emissions from wastewater
          sources at hazardous waste TSDF's, publicly owned
          treatment works (POTW's), industrial wastewater
          treatment facilities and other similar operations.  If
          an alternative approach was used, check the "No" box
          and indicate the approach used in the comments column,
          along with the report page number where the information
          is documented.

2.2.5     Review the list of emission source categories which are
          covered by the EPA Control Technique Guidelines (CTG's)
          (Table 3-5)  and determine if rule effectiveness was
          applied to emission estimates.

2.2.3
2.2.4
2.2.5

Indicate which of the following basic options were used to
submit data for point sources:
- SAMS Version 3.1
- SAMS Version 4.0 or the latest version
- AFS Batch Transaction Format
- Interactive direct entry to AFS
Was the EPA's Surface Impoundment Modeling System (SIMS) used to
estimate emissions from waste water treatment/disposal sources?
Was rule effectiveness applied to emission estimates for the
following point source categories?
- Surface coating of Cans
- Surface coating of Metal Coils
YES







MO







COMMENTS







tls.041a
                               4-5
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2.2.6     If an 80 percent rule effectiveness factor or a local
          category specific rule effectiveness factor was applied
          to each of the categories listed in 2.2.5, check the
          "Yes" box.  If the 80 percent or the category specific
          rule was applied only to some of the categories, check
          the "No" box and make the distinction in the comments
          column.   The inventory documentation should describe
          any deviation from the 80 percent rule effectiveness
          factor.  If the preparing agency used rule
          effectiveness factors that were different than the 80
          percent default values, show the value used in the
       ~  comments column._ Also in the comments column, list the
          page number(s)  of the inventory document where the
          alternate factor development procedures are described.

2.2.7     If a contact person for the point source inventory is
          identified, list the name, address and phone number in
          the comments column.

2.2.8     Select a subset of large (> 25 tpy) point sources for
          the purpose of performing a detailed procedures check.
          Randomly select a single plant (i.e., record number)  as
          the starting point of the subset and then review each
          plant that chronologically follows until a total of
          10 percent of the inventory has been covered.  (For
          example, detailed review should be performed on
          20 plants if the point inventory contains 200 plants.
          Detailed review might cover those facilities with ID
          numbers between No. 72 and 92.)   The reviewer should
          list the ID numbers of plants selected for detailed
          review in the comments column.  The specific
          information listed in the checklist should be compiled
          and presented for each of the plants.  The reviewer
          should check the "No" box if the requested information
          is not provided for more than 90 percent of the
          selected plants.

2.2.6
2.2.7
2.2.3

Was a rule effectiveness factor of 80 percent or a local
category specific rule effectiveness factor used for all
categories?
Does the point source inventory documentation include the
contact person(s) for referring questions?
Select a subset which represents at least 10X of the listed
point sources (in the > 25 tpy range)
and determine if the following data are compiled and presented
for each of these sources?
- Plant Name and Location
- Operating Schedule
YES




NO




COMMENTS




tls.041a
                               4-7
-------
2.3  CONSISTENCY CHECKS - POINT SOURCES

          The following consistency checks are included to
          provide some overall guidance for assessing the
          internal consistency and relative accuracy of an
          inventory with respect to other inventories.  The
          ranges that are provided were developed from a national
          perspective and may not necessarily reflect conditions
          at any given location.  The reviewer will have to
          perform some calculations to derive the comparison
          indices.  All calculated indices should be reported in
          the comments column.

2.3.1     Calculate the percent of the total point source VOC
          emissions that are attributed to small (10-25 tpy)
          sources.  Report the small point total, the point
          source total and the calculated value in the comments
          column.

2.3.2     Check the "Yes" box if fugitive equipment leak VOC
          emissions are quantified.  Calculate the ratio of VOC
          emissions from equipment leaks to the total from
          synthetic organic chemical manufacturing processes and
          report the value in the comments column.

2.3.3     Compare the unadjusted annual emission estimates for
          VOC, CO, and NOX reported in the base year inventory to
          similar estimates for the inventory area reported in
          AIRS.  Report the total annual estimates from both
          sources in the comments column and determine if the two
          inventories agree within 25 percent.  Check the "Yes"
          box if agreement is within the 25 percent range.

2.3
2.3.1
2.3.2
2.3.3

CONSISTENCY CHECKS - POINT SOURCES
Does the sum of emission estimates from small VOC point sources
(10-25 tpy) represent at least 5 percent of the total point
source VOC contribution?
If point source VOC emissions are attributed to organic
chemical manufacture (SOCHI), are fugitive leaks also
quantified? (Fugitive equipment leak emissions should be 1-10
times larger than emissions from vents, reactors, etc.)
Are unadjusted annual emission estimates for VOC, CO and NOX
from point sources within 25X of the values reported in AFS?
YES




NO




COMMENTS




                               4-3
-------
4.4  Stationary Area Sources

Table A-2.   Level II Quality Review Checklist

Question                           Instructions

2.4  COMPLETENESS CHECK - AREA SOURCES

2.4.1     For a typical inventory area the stationary area source
          inventory is expected to contain VOC emission sources
          in each of the listed categories.  The reviewer can
          quickly determine if these categories are included by
          reviewing the overall inventory summary tables.  If one
          or more of the categories are not included, review the
          inventory documentation and describe applicable
          explanations (and page number[s]) in the comments
          column.

2.4.2     For a typical inventory area the stationary area source
          inventory is expected to contain CO and NOX emission
          sources in each of the listed categories.

2.5 PROCEDURES CHECKS - AREA SOURCES

2.5.1     Review the procedures used for developing VOC emissions
          from each of the listed area source' categories and
          determine if per capita or per employee emissions
          factors were used.  If other techniques were used,
          check the "No" box and briefly identify the approach
          used in the comments column along with the page
          number(s)  where the approach is described.  If area
          source emission estimates were not developed for the
          listed categories, check the "No" box and note this in
          the comments column.

2.4
2.4.1
2.4.2
2.5
2.5.1

COMPLETENESS CHECKS - AREA SOURCES
Does the inventory contain VOC area source emission estimates
for the following source categories?
• Service Stations: Tank Truck Unloading
- Service Stations: Vehicle Refueling
Does the inventory contain CO and NOX area source emission
estimates for the following stationary source categories?
- Industrial Boilers
• Commercial Boilers
PROCEDURES CHECKS - AREA SOURCES
Were area VOC emissions estimates for the following categories
developed using per capita or per employee emission factors?
• Dry Cleaning
- Solvent Metal Cleaning-Cold Cleaners
YES








NO








COMMENTS








tls.OAla
                               4-9
-------
2.5.2     Review the documentation supporting the inventory
          submittal and determine if one of the listed sources
          was used for estimating emissions from service
          stations.  Denote in the comments column the source
          used, along with the report page number(s) where the
          approach is documented.  If the documentation does not
          specify how gasoline throughput values were derived
          check the "No" box.

2.5.3     If all gasoline truck unloading operations in the
          inventory area were assumed to use splash loading, do
          not check either of the boxes and write "N/A Splash
          loading" in the comments, column.  If a portion of the
          gasoline unloading in the inventory area was assumed to
          take place with submerged or balance filling methods,
          determine if the assumptions were based on local survey
          data.  If so, check the "Yes" box and report the
          percent of total gasoline throughput in the inventory
          area assumed to be unloaded by each method along with
          the report page number(s)  where the supporting
          information is documented.  If the prevalence of
          submerged or balanced loading was estimated using a
          non-survey approach, check the "No" box and report the
          approach and page number(s)  in the comments column.

2.5.4     Review the calculational procedures' and documentation
          and determine if gasoline marketing emissions were
          a.d justed to reflect rule effectiveness.

2.5.5     Review the report and determine if the 1.25 factor was
          used.

2.5.2
2.5.3
2.5.4
2.5.5

Were gasoline throughput values (for estimating VOC emissions
from service stations) obtained from one of the following
sources: State Fuel Tax offices, State or Local Transportation
Agencies, or the Federal Highway Administration publication
Highway Statistics?
If submerged filling or balance filling practices were assumed
for tank truck unloading, was the prevalence of each filling
technique derived based on local survey data?
If truck unloading (Stage I) or vehicle refueling (Stage 11}
controls were assumed to be in place was rule effectiveness
applied in the emissions calculations?
Were the estimates of the quantity of gasoline transported (for
use in estimating VOC emissions from tank trucks in transit)
based on 1.25 times the area-wide gasoline throughput?
YES




NO




COMMENTS




                               4-10
-------
2.5.6     Review the documentation supporting the inventory
          submittal and determine if one of the approaches listed
          was used for estimating VOC emissions from automobile
          refinishing operations.  Denote in the comments column
          the source used along with the report page number(s)
          where the information is documented.  If the
          documentation does not specify how emissions from
          automobile refinishing operations were derived, check
          the "No" box.  If area source emissions were not
          developed for automobile refinishing operations, check
          the "No" box and denote this in the comments column.

2.5.7     Review the documentation supporting the inventory
          submittal and determine if the VOC emission estimates
          for graphic arts have been corrected for point sources
          in the category.  Since the emission factor provided in
          Table 4.3-9 in Procedures for the Preparation of
          Emission Inventories for Carbon Monoxide and Precursors
          of Ozone. Volume I has already excluded emissions from
          point sources greater than or equal to 100 tons,
          emissions from those point sources should not be
          subtracted.  Reviewers are referred to p. 4-29 of the
          procedures manual.  If the documentation does not
          specify how point sources were deducted, or they were
          deducted incorrectly, check the "No" box, and note the
          situation in the comments column.

2.5.8     Review the inventory documentation and determine the
          source of population data used for calculations using a
          per capita emission factor.  If the population data are
          from the 1990 census, then check the "Yes" box.  If
          not, check the "No" box and note the source of the
          data.

2.5.9     Review the inventory documentation to see if the point
          sources for this category were subtracted from the area
          source fuel use.

2.5.6
2.5.7
2.5.8
2.5.9

Were VOC emission estimates from automobile refinishing derived
using one of the following approaches: survey of local body
shops or auto painting businesses, or use of employee counts in
SIC 7531 and 7535?
Were VOC emission estimates for graphic arts corrected by
subtracting point sources < 100 tpy?
Were population data from the 1990 census used for emissions
calculated with a per capita factor?
Was area source fuel use (for external consumption) estimated by
subtracting total point source fuel use from area-wide total
fuel use?
YES




NO




COMMENTS




tls.041a
                              4-11
-------
2.5.10    Review the documentation supporting the inventory
          submittal and determine if one of the listed sources
          was used for estimating VOC emissions from asphalt
          paving operations.  Denote in the comments column the
          source used, along with the report page number(s) where
          the information is documented.  If the documentation
          does not specify how emissions from asphalt paving
          operations were derived, check the "No" box.  If area
          source emission estimates were not developed for
          asphalt paving operations, check the "No" box and
          denote this in the comments column.

2.5.11    Review the documentation supporting the inventory
          submittal and determine if one of the listed
          methodologies was used for estimating VOC emissions
          from POTW's.  Denote in the comments column the method
          used, along with the report page number(s) where the
          information is documented.  If the documentation does
          not specify how emissions from wastewater treatment at
          POTW's were derived, check the "No" box.   If area
          source emission estimates were not developed for
          POTW's, check the "No" box and denote this in the
          comments column.

2.5.12    Review the documentation supporting the inventory
          submittal and determine if the sources used to estimate
          VOC emissions from pesticide application are those
          listed in Section 4.3.6 of Procedures for the
          Preparation of Emission Inventories, for Carbon Monoxide
          and Precursors of Ozone. Volume I.  Suggested sources
          for information on pesticide use in rural areas are
          local, state, and Federal departments of agriculture,
          and in urban areas, state and local agencies, such as
          local public health, parks, and highway departments,
          plus private concerns such as utilities,  exterminators,
          and landscapers.  Denote in the comments column the
          primary reference source used, along with the report
          page number(s) where the information is documented.  If
          the documentation does not specify how emissions from
          pesticide application were derived, check the "No" box.
          If area source emission estimates were not developed
          for pesticide application, check the "No" box and
          denote this in the comments column.

2.5.10
2.5.11
2.5.12

Was information on cutback asphalt usage derived from one of the
following sources: State or Local highway department, highway
contractors, or annual reports developed by the Asphalt Inst.?
Were the industrial wastewater flow estimates (used for
estimating VOC emissions from POTW's) determined by one of the
following methodologies: actual survey of industrial
contribution to POTW flow, or use of the default value of 16
percent of total POTW flow?
Were VOC emission estimates From pesticide use based on info.
obtained from appropriate public agencies or private concerns?
YES



NO



COMMENTS



tls.OAla
                               4-12
-------
2.5.13    Review the documentation supporting the inventory
          submittal and determine if the EPA's PC-BEIS was used
          to estimate emissions from biogenic sources.  If an
          alternative approach was used, check the "No" box and
          indicate the .approach used in the comments column,
          along with the report page number(s) where the
          information is documented.

2.5.14    Documentation for biogenic emission estimates need to
          include how the modeled day was selected, information
          about the meteorological inputs (including the
          meteorological data used), and information about what
          land use data were used and how they were derived.  If
          PC-BEIS was not used to make the emission estimate for
          this category, the source of and the justification for
          using the alternative approach should be discussed.

2.5.15    The guidance (User's Guide to PC-BEIS)  outlines this
          procedure.  The documentation should say whether they
          followed the guidance,  and should briefly outline the
          selection steps as they were followed.

2.5.16    The preparing agency should use the same day for input
          to PC-BEIS for all counties within the inventory area.
          The guidance is not explicit on this, but it was the
          EPA's intention that the same date be used for all
          counties within the inventory area, even where multi-
          states are included.  Each county needs to be modeled
          for the same day in order to apportion the emissions in
          a nonattainment area to each county correctly.

2.5.13
2.5.14
2.5.15
2.5.16

Was the EPA's Biogenic Emission Inventory System (BEIS) used to
estimate VOC emissions from biogenic sources?
If techniques other than PC-8EIS were used for making biogenic
emission estimates, are they documented in enough detail to
adequately evaluate them?
Did the State document how they selected the day to model in PC-
BEIS?
Do all counties within an inventory domain have the same date
used in PC-8EIS?
YES




NO




COMMENTS




tl3.041a
                              4-13
-------
2.5.17    The guidance requires looking at the top ten ozone days
          for the past three years, and selecting the fourth
          highest temperature day (maximum daily temperature)
          from the list of top ten ozone days.  When the
          nonattainment area covers more than one county, the
          inventory preparer needs to define the three year
          period and define the top ten ozone days for the entire
          nonattainment area.  The meteorology used for all of
          the counties in the nonattainment area will be from the
          same day.

2.5.18    The State needs to have obtained hourly meteorological
          data (cloud cover, relative humidity, wind speed and
          temperature) from the National Weather Service, or some
          other reliable source.  These data are input to the PC-
          BEIS program, and can be saved as a computer file.  The
          meteorological input should be included as part of the
          documentation.  The source of the data and the data
          should be included in the documentation.

2.5.19    See the discussion for question 2.5.18.  The
          meteorological data file(s) used in the biogenics
          portion of the inventory needs to be available for
          reasonableness checks.  These ASCII files should have
          the hourly values that were used for percent cloud
          cover, relative humidity, wind speed and temperature in
          the model run(s).

2.5.20    Variables such as percent cloud cover, relative
          humidity, wind speed and temperature should be within
          reasonable ranges for the inventory domain's local
          climate  (no temperatures above 43°C, for instance).
          The program does not check for input errors such as
          percent cloud cover or relative humidity greater than
          1.0.  These parameters should be checked for these
          types of errors as well.

2.5.21    The land use data in PC-BEIS are 1960 to 1970 vintage.
          States are allowed to update the data.  States should
          note the existence of any changes.

2.5.22    States should provide a listing of the new land use
          data and either include references or a description of
          the source of the data.

2.5.17
2.5.18
2.5.19
2.5.20
2.5.21
2.5.22

Did they follow the guidance in selecting the date to model?
Are the meteorological inputs to PC-BEIS documented?
is a diskette with meteorological inputs included?
Are the meteorological inputs reasonable?
Did the State use the land use date provided in PC-BEIS, or
were modifications made?
If they modified land use data, is sufficient documentation
available for evaluating the change and the source of the data?
YES






NO






COMMENTS






t Is. 3*. la
                               4-14
-------
2.5.23    If an 80 percent rule effectiveness factor or a local
          category specific rule effectiveness factor was applied
          to each of the categories listed in 2.2.5, check the
          "Yes" box.  If the 80 percent or the category specific
          rule was applied only to some of the categories, check
          the "No" box and make the distinction in the comments
          column.   The inventory documentation should describe
          any deviation from the 80 percent rule effectiveness
          factor.  If the preparing agency used rule
          effectiveness factors that were different than the 80
          percent default values, show the value used in the
          comments column.  Also in the comments column, list the
          page number(s) of the inventory document where the
          alternate factor development procedures are described.

2.6  CONSISTENCY CHECKS - AREA SOURCES

          The following consistency checks are included to
          provide some overall guidance for assessing the
          internal consistency and the relative accuracy of an
          inventory with respect to other inventories.  The
          ranges that are provided were developed from a national
          perspective and may not necessarily reflect conditions
          at any given location.  The reviewer will have to
          perform some calculations to derive the comparison
          indices.  All calculated indices should be reported in
          the comments column.  Emission factors that do not fall
          within the listed ranges are not necessarily wrong, but
          do warrant closer scrutiny and review of estimation
          procedures.  Estimates may differ from those within the
          ranges if there has been a detailed area source survey,
          detailed point source deductions, or other valid
          methods used to inventory or correct emission
          estimates.

2.6.1     Using population data and annual VOC emission estimates
          for gasoline tank truck unloading for the inventory
          area, express VOC emissions on a per capita basis.
          Report the per capita factor in the comments column,
          determine if the value falls within the defined range,
          and check the appropriate box.

2.5.23
2.6
2.6.1

Was a rule effectiveness factor of 80 percent or a local
category specific rule effectiveness factor used for all
categories?
CONSISTENCY CHECKS - AREA SOURCES
Are annual VOC emission estimates for tank truck unloading
between 0.1 and 6.1 Ibs/person?
YES



NO



COMMENTS



tla.OAla
                              4-15
-------
2.6.2     Using population data and annual VOC emission estimates
          for vehicle refueling in the inventory area, express
          VOC emissions on a per capita basis.  Report the per
          capita factor in the comments column, determine if the
          value falls within the defined range, and check the
          appropriate box.

2.6.3     Using population data and annual VOC emission estimates
          for gasoline tanks trucks in transit in the inventory
          area, express VOC emissions on a per capita basis.
          Report the per capita factor in the comments column,
         -determine if the value falls within the defined range,
          and check the appropriate box.

2.6.4     Using population data and annual VOC emission estimates
          for architectural surface coating in the inventory
          area, express VOC emissions on a per capita basis.
          Report the per capita factor in the comments column,
          determine if the value falls within the defined range,
          and check the appropriate box.

2.6.5     Using population data and annual VOC emission estimates
          for automobile refinishing operations in the inventory
          area, express VOC emissions on a per capita basis.
          Report the per capita factor in the comments column,
          determine if the value falls within the defined range,
          and check the appropriate box.

2.6.6     Using population data and annual VOC emission estimates
          for degreasing operations in the inventory area,
          express VOC emissions on a per capita basis.  Report
          the per capita factor in the comments column, determine
          if the value falls within the defined range, and check
          the appropriate box.

2.6.2
2.6.3
2.6.4
2.6.5
2.6.6

Are annual VOC emission estimates for vehicle refueling between
0.60 and 6.24 Ibs/person?
Are annual VOC emission estimates for tank trucks in transit
between 0.011 and 0.017 Ibs/person?
Are annual VOC architectural coating estimates between 3.5 and
5.8 lbs/p«rson?
Are annual VOC emissions estimates for autobody refinishing
estimate between 1.7 and 2.9 Ibs/person?
Are annual VOC emission estimates for degreasing operations
between 3.2 and 5.4 Ibs/person?
YES





NO





COMMENTS





tls.QAla
                               4-16
-------
2.6.7     Using population data and annual VOC emission estimates
          for perchloroethylene-based dry cleaning operations in
          the inventory area, express VOC emissions on a per
          capita basis.  Report the per capita factor in the
          comments column, determine if the value falls within
          the defined range, and check the appropriate box.

2.6.8     Using population data and annual VOC emission estimates
          for petroleum-based dry cleaning operations in the
          inventory area, express VOC emissions on a per capita
          basis.  Report the per capita factor in the comments
          column, determine if the value falls within the defined
          range, and check the appropriate box.

2.6.9     Using population data and annual VOC emission estimates
          for graphic arts area source operations in the
          inventory area, express VOC emissions on a per capita
          basis.  Report the per capita factor in the comments
          column, determine if the value falls within the defined
          range, and check the appropriate box.

2.6.10    Using population data and annual VOC emission estimates
          for cutback asphalt paving operations in the inventory
          area, express VOC emissions on a per capita basis.
          Report the per capita factor in the comments column,
          determine if the value falls within' the defined range,
          and check the appropriate box.

2.6.7
2. 6. S
2.6.9
2.6.10

Are VOC emission estimates from perchloroethylene-based dry
cleaners between 0.55 and 0.92 Ibs/person?
Are VOC emission estimates from petroleum-based dry cleaners
between 0.82 and 1.38 Ibs/person?
Are VOC emissions from the graphic arts industry between 1.0 and
1.6 Ibs/person?
Are VOC emissions from cutback asphalt paving between 0.28 and
0.46 Ibs/person?
YES




NO




COMMENTS




Us. 0
-------
2.6.11    Using population data and annual VOC emission estimates
          for structure fires in the inventory area, express VOC
          emissions on a per capita basis.  Report if the value
          falls, within the defined range, and check the
          appropriate box.

2.6.12    Using population data and annual VOC emission estimates
          for pesticide application in the inventory area,
          express VOC emissions on a per capita basis.  Report
          the per capita factor in the comments column, determine
          if the value is greater than the identified value, and
          mark the appropriate box.

a. 6. 11
2.6.12

Are annual VOC emission estimates from structure fires between
0.07 and 1.3 Ibs/person?
Are annual VOC emission estimates from pesticide application
greater than 0.4 Ibs/year/person?
YES


NO


COMMENTS


tls.OAla
                               4-13
-------
4.5  Area On-Road Mobile Sources

     The completeness and procedural checks for area on-road
     mobile sources focus primarily on the usage of MOBILE4.1 and
     how input parameters for the model were derived.  The
     consistency checks represent nationally-based comparison
     values for the key mobile source parameters such as vehicle
     miles travelled (VMT), speed, and temperature.

Table A-2.  Level II Quality Review Checklist

Question                          Instructions

2.7  COMPLETENESS CHECKS - AREA ON-ROAD MOBILE SOURCES

2.7.1     The reviewer should examine the inventory documentation
          for the modeling exercise to determine if the source of
          information for the key model inputs listed is
          explained.  If the source of the value used for the
          listed parameter is not explained, the question for
          that parameter should be answered "No."

2.7
2.7.1

COMPLETENESS CHECKS-AREA ON-ROAD MOBILE SOURCES
Is information provided to document how each of the following
MOB I LEA. 1 inputs was derived?
- tampering rates
YES


NO


COMMENTS


tls.OAla
                              4-19
-------
2.7.2
2.7.3
The documentation for the mobile source inventory
should contain VMT estimates for each county in the
inventory area by vehicle class and road type.  The
eight highway vehicle classes are:

      - light-duty gasoline vehicles (LDGV)
      - light-duty gasoline trucks up to 6000 Ibs
        (LDGT1)
      - light-duty gasoline trucks from 6000-8500 Ibs
        (LDGT2)
      - heavy-duty gasoline vehicles (HDGV)
      - light-duty diesel vehicles (LDDV)
      - light-duty diesel trucks (LDDT)
      - heavy-duty diesel vehicles (HDDV)
      - motorcycles (MC)
          The road types are
          Urban
          interstate
          other freeways
          other principal
            arterial
          minor arterial
          collector
          local
                   as follows:
                    Rural
                    interstate
                    other principal
                      arterial
                    minor arterial
                    major collector
                    minor collector
                    local
If VMT data are missing for any vehicle class or road
type, answer the question "No," unless the
documentation clearly shows that certain vehicle
classes or road types were not applicable to the
inventory area.

The methodology and calculations used to estimate VMT
on local functional systems within the FAUA area should
be documented in the inventory report.  VMT reported to
HPMS for local functional systems are not generally
based on the same collection methods used for other
functional systems and therefore the inventory report
must indicate the procedures used to collect this
information.

2.7.2
2.7.3

Are estimates of vehicles miles travelled (VMT) provided that
are:
- road- type specific?
- vehicle-type specific?
Are methodology and calculations used to estimate VMT on the
local functional system documented in the SIP?
YES



NO



COMMENTS



tls.OAla
                               4-20
-------
2.7.4     If an urban transportation planning model was used, the
          reviewer should check that the boundaries of the
          transportation network have been clearly defined in the
          inventory documentation.

2.7.5     If urban areas are sampled individually under the HPMS
          program, the reviewer should check that VMT data for
          the inventory area have been included for:  each volume
          group within all sampled functional systems within the
          Federal Aid Urbanized Area (FAUA); for local functional
          systems within the FAUA but not specifically sampled
          through HPMS; and for functional systems outside of the
          FAUA but within the inventory area.  The FAUA is the
          area within the boundary jointly developed by state and
          local officials and approved by the Department of
          Transportation Federal Highway Administration (FHWA) to
          serve the federal aid highway program needs and
          requirements.

2.8  PROCEDURES CHECKS- AREA ON-ROAD MOBILE SOURCES

2.8.1     The reviewer should examine the MOBILE4.1 documentation
          and determine if MOBILE4.1 default values for tampering
          rates were used to run the model or whether site-
          specific tampering information was used.

2.8.2     If Question 2.8.1 is answered "No," the reviewer should
          check to ensure that the alternative tampering rate
          data were reviewed and approved for use by the EPA.
          The documentation for the MOBILE4.1 runs should
          describe the basis and source of the rates and if the
          EPA has approved them for use in MOBILE4.1.

2.7.4
2.7.5
2.8
2.8.1
2. S. 2

If an urban transportation planning model was used, have the
boundaries of the transportation network been clearly defined in
the documentation?
If urban areas are sampled separately, does the HPMS -based SIP
estimate include VMT on all of the following?
-Each volume group within all sampled functional systems within
the Federal Aid Urbanized Area (FAUA);
-Interstates
PROCEDURES CHECKS - AREA ON-ROAD MOBILE SOURCES
Were M08IIE4.1 defaults for tampering rates used?
If alternative tampering rate values were used, did the EPA
review and approve the survey on which the data were based?
YES





NO





COMMENTS





tls.041a
                               4-21
-------
2.8.3a    The EPA strongly recommends using the MOBILE4.1 annual
          mileage accumulation rates by age.  If the MOBILE4.1
          rates were used, MYMRFG will be either 1 or 3.

2.8.3b    The EPA encourages and recommends the use of area- or
          State-specific registration distributions by age.  If
          specific registration distribution information was
          used, MYMRFG will be either 3 or 4.  In the comments
          .column, indicate if the registration distribution was
          area- or State-specific.  Also, indicate if a calendar
          year other than 1990 was used.

2.8.4     The reviewer should check the MOBILE4". 1 inputs
          documentation to determine if the MOBILE4.1 default
          values were used for the vehicle operating mode
          fractions or were site-specific values applied.  The
          default values are as follows:

          - percent of VMT by non-catalyst vehicles in
            the cold-start mode (PCCN)  = 20.6%
          - percent of VMT by catalyst-equipped vehicles
            in the hot-start mode (PCHC) - 27.3%
          - percent of VMT by catalyst-equipped vehicles
            in the cold-start mode (PCCC) = 20.6%

          If any one of the defaults was not Used, answer the
          question "No", and describe the site-specific operating
          mode data used in the comments column.

2.8.5     EPA guidance recommends that the default MOBILE4.1
          basic emission rate equations be used.  If alternate
          equations were used (NEWFLG=2), justification for the
          alternate equations should be provided.  If alternate
          equations were used, indicate if EPA was contacted for
          guidance.

2.8.3
2.3.4
2.3.5

a. Were MOBILE4.1 annual mileage accumulation rates by age used
(MYMRFG= 1 OP 3)7
b. Were calendar year 1990 area- or State-specific registration
distributions by age used (MYMRFG" 3 or 4)?
Were the M08ILE4.1 default values used to define percent of VMT
by operating mode?
Were MOBILE4.1 basic emission rates used (NEUFLG=D?
YES




NO




COMMENTS




tls.OAla
                               4-22
-------
2.8.6     The hydrocarbon emission factors should be calculated
          as volatile organic compounds (VOC's).  The flag NMHFLG
          should equal 3.  If a different emission factor was
   (       chosen (NMHFLG=1/ 2, 4, or 5) ,  the rationale for that
          choice should be documented.  The hydrocarbons included
          in the MOBILE4.1 emission factors should be consistent
          with the remaining inventory portions (stationary and
          non-road mobile sources).

2.8.7     The reviewer should examine the VMT documentation to
          determine how VMT estimates were developed if the
          transportation network input to the urban
          transportation planning model did not include all roads
          in the inventory area.  If no documentation or
          explanation is provided for these VMT estimates, check
          the "No" box.

2.8.8     If the inventory area is larger than the FAUA, the
          inventory report must indicate how VMT data were
          developed for roads outside of the FAUA.  The preparing
          agency has different options for preparing these data.
          Two specific options are listed under this checklist
          question and the reviewer should check the appropriate
          box if either method was used.   If another method was
          used,  the reviewer should check the "Yes" box for
          "another method," and give a brief description of the
          method used, and the page number(s)  in the inventory
          report where it appears, under the comments column.

2.8.6
2.8.7
2.8.3

What were the hydrocarbon (HC) emission factors used calculated
as?
-total HC (THC) (NMHFLG=1);
Where applicable, does the documentation describe how VMT
estimates were developed if the transportation network input to
the urban transportation model did not include rural and/or all
urban roads in the inventory area?
Is the inventory area larger than the FAUA?
If the answer to question 2.8.8 was "yes," how was VMT on roads
outside the FAUA but inside the inventory area estimated?
-Applied a state- or county-specific estimate of travel per mile
of roadway to the mileage of roads outside the FAUA;
-Travel outside the FAUA is primarily rural. Applied VMT per
roadway mile from other purely rural counties to estimate the
VMT;
-Another method.
YES






MO






COMMENTS






tls.OAla
                              4-23
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2.8.9     Review the procedures for estimating VMT in the
          inventory report to determine if the factors used'to
          expand the HPMS sample segment data into VMT estimates
          for the FAUA are documented either in the SIP or in a
          reference.  The expansion factors should be provided
          for each facility class/volume group.

2.8.10    Traffic volume counts can vary due to seasonal and
          daily variations in traffic flow.  The inventory report
          should indicate the methods and factors used to adjust
          traffic volume counts on sample segments for seasonal,
          daily, or hourly variations.

2.8.11    Under the HPMS program, traffic counts are conducted so
          that each sample segment is counted every 3 years.   For
          a given year, adjustments have to be made for sample
          segments not actually counted in that year.  The
          inventory report should indicate how these counts were
          adjusted for the appropriate year.

2.8.9
2.8.10
2.8.11

Are the factors used to expand the HPMS segment data into FAUA
VMT estimates by facility class/volume group listed in the SIP
OP is a reference given for the information?
Are the methods and factors used to adjust counts on sample
segments for month, day- of -week, and/or hour -of -day documented
in the SIP?
Are the methods and factors used to adjust counts on sample
segments not actually counted in a given year documented in the
SIP?
YES



NO



COMMENTS



                               4-24
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2.9  CONSISTENCY CHECKS - AREA ON-ROAD MOBILE SOURCES

2.9.1     The reviewer should check the MOBILE4.1 inputs for
          speed to ensure that values between 2.5 and 65 miles
          per hour (the range of MOBILE4.1 acceptability) were
          used.  If a value out of this range was used, answer
          the question "No" and indicate in the comments column
          what speeds were used, the road/vehicle type
          combination, they were used for, and the justification
          for these speed.

2.9.2     The reviewer first needs to determine the urban area
          VMT apportionment by road type in each county on a
          percentage basis.  Once the apportionments are
          calculated, the reviewer should compare the figures, by
          each of the eight road types, to the values listed in
          the checklist.   If the calculated value is outside of
          the stated range, answer the question "No" and indicate
          in the comments column what the calculated
          apportionment was.  If VMT data were not provided in
          the inventory,  or if they were provided but not by road
          type, answer the question "No" and indicate such in the
          comments column.

2.9
2.9.1
2.9.2

CONSISTENCY CHECKS
Were the average assumed speeds between 2.5 and 65 mph?
Was the VMT by road type apportionment within the following
ranges?
- Interstate: Between 6.5 and 19.5 percent of total VMT?
- Other Freeway and Expressway: Between 0 and 9.0 percent of
total VMT?
YES




NO




COMMENTS


-

tla.OAla
                              4-25
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2.9.3     The reviewer should calculate the ratio of VMT per
          person per year for the inventory area.  If more than
          one county is represented in the inventory, the ratio
          should be the sum of VMT in all the counties divided by
          the sum of population in all of the counties.  If this
          ratio is outside of the range 5,700 - 12,810, answer
          the question "No" and enter the calculated range in the
          comments column.  If VMT data are not given in the
          inventory, answer the question "No" and state in the
          comments column that there were no VMT data.

2.9.4     The reviewer should calculate the annual ratio of total
          VMT to total gallons of gasoline sold in the inventory
          area.  If more than one county is represented in the
          inventory, the ratio should be the sum of VMT in all
          counties divided by the sum of gasoline sales in all of
          the counties.  If the ratio is outside of the range
          14.6 - 24.4, answer the question "No" and enter the
          calculated ratio in the comments column.

          VMT data should be present in the inventory
          documentation.  If VMT data are not given in the
          inventory, answer the question "No" and state in the
          comments column that there were no VMT data.

          Gasoline sales or throughput data should be available
          in the inventory documentation in either the mobile
          sources discussion or the vehicle refueling emissions
          discussion.  If gasoline sales data are not available
          in the inventory, the reviewer has several options.
          First, the data shown in Table 4-2 could be used.  The
          reviewer would need to pro-rate the state gasoline data
          down to the county level using population.  The
          calculation would be:

          (nonattainment area population/state population)  x
               state gasoline sales data

          If this approach is not acceptable, the reviewer should
          contact the individual State's transportation
          department or other similar governmental agency to
          obtain county-specific fuel sales data.

2.9.3
2.9.4

Is the calculated index of VMT/person within the 5,700 to 12,310
range?
Is the calculated annual index of VMT/gal gasoline sold within
the range of 14.6 to 24.4?
YES


NO


COMMENTS


tla.OAla
                               4-26
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TABLE 4-2.
VEHICLE REGISTRATION AND GASOLINE SALES DATA FOR USE  IN
COMPLETING THE AREA HIGHWAY MOBILE SOURCES CHECKLIST  (1990)
STATE
ALABAMA
ALASKA
ARIZONA
ARKANSAS
CALIFORNIA
COLORADO
CONNECTICUT
DELAWARE
DIST. OF COL.
FLORIDA
GEORGIA
HAWAII
IDAHO
ILLINOIS
INDIANA
IOWA
KANSAS
KENTUCKY
LOUISIANA
MAINE
MARYLAND
MASSACHUSETTS
MICHIGAN
MINNESOTA
MISSISSIPPI
MISSOURI
MONTANA
NEBRASKA
NEVADA
NEW HAMPSHIRE
NEW JERSEY
NEW MEXICO
NEW YORK
NORTH CAROLINA
NORTH DAKOTA
OHIO
OKLAHOMA
OREGON
PENNSYLVANIA
RHODE ISLAND
SOUTH CAROLINA
SOUTH DAKOTA
TENNESSEE
TEXAS
UTAH
VERMONT
VIRGINIA
WASHINGTON
WEST VIRGINIA
WISCONSIN
WYOMING
POPULATION
(1,000)
4,102
524
3,489
' 2,395
28,314
3,301
3,233
660
617
12,335
6,342
1,098
1,003
11,614
5,556
2,834
2,495
3,727
4,408
1,205
4,622
5,889
9,240
4,307
2,620
5,141
805
1,602
1,054
1,085
7,721
1,507
17,909
6,489
667
10,855
3,242
2,767
12,001
993
3,470
713
4,895
16,841
1,690
557
6,015
4,648
1,876
4,855
479
REGISTERED
VEHICLES
3,623,204
363,743
2,775,270
1,433,068
21,671,133
3,153,838
2,651,143
521,591
258,934
11,206,904
5,270,487
736,393
1,039,045
8,021,695
4,322,302
2,583,270
1,986,647
2,843,033
2,976,097
939,301
3,527,427
3,804,458
7,138,583
3,283,292
1,867,081
3,843,982
741,197
1,361,724
825,723
935,642
5,636,330
1,294,521
10,020,539
5,113,224
636,195
9,513,918
2,568,454
2,378,751
7,909,379
670,576
2,468,940
705,386
4,315,702
12,564,555
1,174,861
461,604
4,859,728
4,090,130
1,213,950
3,471,008
486,589
HWY GAS USE
(1,000 gal)
2,057,276
202,140
1,699,692
1,220,757
12,976,069
1,478,994
1,345,656
336,356
174,476
5,820,715
3,465,714
363,488
444,541
4,833,140
2,569,801
1,313,760
1,225,814
1,792,234
1,912,341
577,162
2,031,230
2,419,503
4,186,173
1,954,397
1,191,665
2,658,835
408,306
732,718
610,027
514,367
3,392,373
784,541
5,540,917
3,216,720
319,170
4,807,968
1,591,489
1,318,093
4,554,640
366,267
1,737,485
359,096
2,495,173
8,330,547
723,385
270,460
2,950,255
2,238,540
804,934
2,014,618
298,435
                               4-27
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4.6  Area Non-Road Mobile Sources

Table A-2 - Level II Quality Review Checklist

Question                 Instructions

2.10      COMPLETENESS CHECKS - AREA NON-ROAD MOBILE SOURCES

2.10.1    Within line haul operations, there are three classes  of
          railroads:  Class I., II, and III.  Emission estimates
          from each class should be included.  Classes II and III
          will typically be combined.

2.10.2    There are two types of railroad operation:  line haul
          and yard.  Emission estimates for each type of railroad
          operation should be included.

2.10
2.10.1
2.10.2

COMPLETENESS CHECKS
Are emissions from alt of the following classes of railroad
included?
a. Class I
b. Class II
c. Class III
Are emissions reported for the two types of railroad operation?
a. Line Haul
b. Yard
YES






MO






COMMENTS






tls.OAU
                               4-28
-------
2.10.3     Aircraft emissions should be  estimated for several
           categories,  if operation within those categories
           occurred in  the inventory area.  The  categories that
           should be addressed  are commercial, general  aviation,
           air  taxi, and military aircraft.


2.11  PROCEDURES CHECKS - AREA  NON-ROAD  MOBILE SOURCES


           For  aircraft and locomotive categories,  complete
           questions 2.11.31 through 2.11.38.  For all  other
           non-road engine and  vehicle categories complete
     -     question 2.11.1 through 2.11.30.
2.11.1
Emissions estimates  for non-road engine and vehicle
categories  (excluding aircraft,  locomotives,  and
commercial marine vessels) were  prepared by the EPA  for
specific nonattainment areas  as  part  of the Non-Road
Engine and Vehicle Emission Study - Report (EPA-21A-
2001,  November 1991) .   These  estimates were revised  by
the  EPA in June 1992,  and made available to state
agencies for  use in  the 1990  base year SIP inventory.
A partial listing of the areas for which the  EPA
prepared revised emission estimates for non-road
categories is provided below.  The reviewer should
check  the list below to determine if  the nonattainment
area in question was included in this study.   The
reviewer should check with the EPA's  Office of Mobile
Sources (OMS)  for the final listing of non-road study
areas  if the  area in review does not  appear on this
preliminary list.
           Anchorage/AK
           Baltimore/MD
           Beaumont-Port Arthur/TX
           Boston-Lawrence-Worcester/MA
           Chicago-Gary-Lake Co/IL-IN-UI
           Denver-Boutder/CO
           Hartford-Mew 8ritain-Middletown-Bristol/CT
           Houston-Galveston-Brazoria/TX
           Las Vegas/NV
           MiIwaukee-Racine/VI
           Muskegon/MI
           Hew York-Northern Mew Jersey-Long Island/NY
           Philadelphia-WiImington-Trenton/PA-MJ-OE-MO
           Providence/RI
           San Oiego/CA
           Seattle-Tacoma/QA
           South Coast Air Basin/CA
           Springfield/MA
           Washington/OC-MD-VA
                                  Attanta/GA
                                  Baton Rouge/LA
                                  Cleveland-Akron-Lorain/OH
                                  El Paso/TX
                                  Hi ami-Ft. Lauderdale/FL
                                  Minneapolis-St. Paul/MN
                                  Phoenix/AZ
                                  Portsmouth-Dover-Rochester/NH
                                  Provo-Orem/UT
                                  San joaquin Valley/CA
                                  Sheboygan/WI
                             •MJ-CT Spokane/UA
                                  St. Louis/MO
                                  Tucson/AZ

2.10.3
2.11
2.11.1

Are emissions from the following types aircraft included in the
inventory?
a. Commercial aircraft
b. General aviation aircraft and air taxis
c. Military aircraft
PROCEDURES CHECKS - AREA MOM-ROAD MOBILE SOURCES
Did the EPA non-road study include the nonattainment area in
question?
YES





MO





COMMENTS





tls.OAla
                                  4-29
-------
2.11.2    States have the option of using the emission estimates
          prepared by the EPA in the non-road study report
          unmodified for the particular nonattainment areas
          listed.  The inventory report should clearly identify
          for what areas, if any, the EPA-prepared estimates were
          used unmodified,

2.11.3    The non-road study report prepared by the EPA contains
          two sets of inventories for non-road engine and vehicle
          categories; the study refers to these as Inventory A
          and Inventory B.  The EPA recommended procedure is to
          average the results of the two inventories for each
          category and report that average figure in the base
          year inventory; however, States have the option of
          using one inventory over another for a category, if
          justification is given for using that particular
          inventory (e.g., data better represents local usage
          patterns).  For each choice provided under
          question 2.11.3, the reviewer should note in the
          comments column for what non-road equipment/vehicle
          category that particular option was used.  In addition,
          where the average of Inventories A and B was not used,
          the reviewer needs to provide a brief explanation of
          why a particular inventory was used and the page number
          of the inventory that refers to this explanation.

2.11.2
2.11.3

If so, was the EPA -supplied inventory for the area submitted
without any modifications?
How was the inventory submitted?
-Averaged inventories A and 3.
-Used Inventory A for some equipment types.
-Used Inventory 8 for some equipment types.
YES




NO.




COMMENTS




tls.041a
                              4-30
-------
2.11.4    If the EPA-supplied inventory from the non-road study
          report was not used, or not used in its entirety, the
          reviewer needs to check which option was used to
          prepare the non-road mobile sources inventory for the
          applicable nonattainment area.  States were given the
          options listed under question 2.11.4 when EPA-supplied
          inventories were not used directly.  The reviewer
          should proceed to that section of the review checklist
          that is pertinent to option chosen, as indicated in the
          parentheses following the listed option.  If the option
          was not used, that section of the checklist does not
          need to be completed.

MODIFICATIONS TO AN EPA-SUPPLIED INVENTORY

2.11.5    If population estimates were modified, the reviewer
          should determine if the estimates for each equipment
          category were based on 1990 data.  If they were not,
          equipment populations should have been adjusted for
          growth to 1990.  If adjustments to 1990 were made, the
          reviewer should briefly indicate in the comments column
          how these adjustments were made and the inventory
          report page number that refers to these adjustments.

2.11.6    If emission factors were modified,  the reviewer should
          determine if the new emission factors are based on in-
          use emissions.  In addition, the reviewer should
          indicate in the comments column the reference source(s)
          used for the new emission factors and the inventory
          report page number that refers to them.

2.11.4
2.11.5
2.11.6

If an EPA-supplied inventory was not used in its entirety, how
was the inventory for the area compiled?
-Modified the EPA-supplied inventory (complete questions 2.11.5
and 2.11.6)
-Adjustments to an EPA-supplied inventory for another area
(complete questions 2.11.7 to 2.11.9)
-Created a new inventory using the EPA non-road study
methodology (complete questions 2.11.10 to 2.11.14)
-Followed the 1989 version of Volume IV. This method is
considered to be inferior to the other methods, and its use is
discouraged. For Moderate areas, applying a population
adjustment to an inventory for another area is the preferred
method (complete questions 2.11.15 to 2.11.38)
If population estimates were modified, were estimates for each
equipment category based on 1990 data?
If not, were equipment populations adjusted for growth to 1990?
If emission factors are modified, are the new emission factors
based on in-use emissions?
YES







NO







COMMENTS







tls.CHla
                              4-31
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ADJUSTMENTS TO AN INVENTORY FOR ANOTHER AREA

2.11.7    The reviewer should determine the inventory which was
          adjusted to make the inventory under review.  This
          information should be provided in the review in the
          form of a simple, declarative statement.

2.11.8    The reviewer should determine which EPA-supplied
          inventory was adjusted:  the average of Inventories A
          and B, Inventory A, or Inventory B.  It is possible
          that the preparing agency used more than one approach
          depending on the non-road vehicle or equipment
          category.  If this was done, the reviewer should
          indicate in the comments column for each approach
          selected, the vehicle/equipment categories for which
          that approach was used.  The reviewer should also
          provide the page number of the inventory report that
          refers the explanation for choosing the applicable
          approach.

2.11.9    The preparing agency should have used a population
          adjustment factor in order to modify the non-road
          emission estimates in the EPA-supplied inventory.  The
          reviewer should determine if this factor has been
          listed in the inventory report.  In addition, under the
          comments column, the reviewer should indicate the
          population of the inventory area, the population for
          the EPA-studied area, the source of the population
          data, and the page number of the inventory report that
          refers to this information.


YES
NO
COMMENTS
ADJUSTMENTS TO AN INVENTORY FOR ANOTHER AREA
2.11.7
2.11.8
2.11.9
Does the inventory report clearly state which area-specific EPA-
supplied inventory was adjusted?
Which inventory for the area was adjusted?
- The average of inventories A and 8.
- Inventory A for some equipment types.
- Inventory 8 for some equipment types.
Is the population adjustment factor that was applied to that
area's inventory, listed in the inventory report?















tls.OAla
                               4-32
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NEW INVENTORY USING THE EPA NON-ROAD STUDY METHODOLOGY

2.11.10   Where the preparing agency has used the EPA Non-Road
          Study Methodology to prepare an entirely new non-road
          vehicle and equipment inventory, the reviewer should
          check that all the listed categories have been included
          in the inventory.  For each category included in the
          inventory, the reviewer should also indicate, in the
          comments column, the page number of the inventory
          report where that category's emission estimate is
          discussed.

2.11.11   The reviewer should check if equipment populations were
          based on data for 1990.  If they were not, the reviewer
          should determine if they were adjusted for growth to
          1990.  If equipment populations were adjusted to 1990,
          the reviewer should briefly describe, under the
          comments column, how the adjustment was made and the
          page number of the inventory report that refers to this
          adjustment.

2.11.12   The reviewer should check if equipment category
          emission factors are based on in-use emissions.

2.11.13   The reviewer should check if the seasonal adjustment
          factors are listed in the inventory report.

2.11.14   The reviewer should indicate if the inventory report
          describes how seasonal adjustment factors were
          determined and justified.  The reviewer should briefly
          describe, under the comments column, the use of
          seasonal adjustment factors and the page number of the
          inventory report that refers to these factors.


YES
NO
COMMENTS
MEW INVENTORY USING THE EPA NON-ROAD STUDY METHODOLOGY
2.11.10
2.11.11
2.11.12
2.11.13
2.11.14
Are emissions from ail of the following non-road equipment
categories included in the inventory?
•Lawn and Garden Equipment
-Industrial Equipment
For each equipment category, were population estimates based on
data fop 1990?
If not, were equipment populations adjusted for growth to 1990?
Were the equipment category emission factors based on in-use
emissions?
Are seasonal adjustment factors listed in the inventory reoort?
Does the inventory report describe how seasonal adjustment
factors were determined and justified?





















tls.041a
                               4-33
-------
NEW INVENTORY FROM 1989 VERSION OF VOLUME IV

2.11.15   If agricultural activities occur within the inventory
          area boundaries, emission estimates should be developed
          for agricultural equipment.  If the inventory submittal
          states that no agricultural activities take place
          within the inventory area, then the reviewer should not
          check either the "Yes" or "No" box but instead write
          "N/A - no agricultural activities" in the comments
          column of questions 2.11.15 through 2.11.17 and
          reference the page number(s) in the report where that
          information is documented.  If the report simply does
          not discuss emissions from agricultural equipment and
          does not provide rationale for why emissions should not
          be included, then the reviewer should check the "No"
          box and write "no estimate/no discussion" in the
          comments column of questions 2.11.15 through 2.11.17.

          If emission estimates are provided for agricultural
          equipment, review the documentation supporting the
          inventory submittal and determine if equipment
          populations were determined from data in Census of
          Agriculture.  Denote in the comments column the report
          page number(s) where the information is documented.  If
          the documentation does not specify how equipment
          population was derived, check the "No" box.

2.11.16   Review the documentation supporting the inventory and
          determine if an estimate of the number of cultivated
          acres in each of the counties in the inventory area was
          used to apportion agricultural equipment fuel use.
          Denote in the comments column the report page number(s)
          where the information is documented.

2.11.17   Check the summary tables and determine if estimates of
          all three pollutants are included.


YES
NO
COMMENTS
NEW INVENTORY FROM 1989 VERSION OF VOLUME IV
2.11.15
2.11.16
2.11.17
Was information on the population of agricultural equipment
items within the inventory area collected using data from the
Census of Agriculture?
Was the number of acres cultivated in each county in the
inventory area used to apportion agricultural equipment fuel
use?
Were VOC, CO and NOX emission estimates derived for the
agricultural equipment category?









tls.OAla
                               4-34
-------
2.11.18   Review the procedures and supporting documentation and
          determine if emissions were calculated separately for
          each of the different construction equipment types and
          fuel types.  Denote in the comments column the report
          page number(s)  where the information is documented.  If
          the documentation is insufficient to determine if
          emissions were calculated separately, check the "No"
          box.

2.11.19   Review the documentation supporting the inventory and
          determine if an estimate of the number of employees in
          SIC 10-14, 20-39, and 50-51 was used as the basis for
          apportioning the number of industrial engines to the
          inventory area level.  Denote in the comments column
          the report page number(s) where the information is
          documented.  If a different approach was used for
          deriving emissions from industrial engines, check the
          "No" box and briefly describe the approach.  If the
          report does not discuss emissions from industrial
          engines and does not provide an explanation of why such
          emissions do not occur in the inventory area, then the
          reviewer should check the "No" box and write "no
          estimate/no discussion" for questions 2.11.19 and
          2.11.20.

2.11.20   Determine if emissions (VOC, CO,and NOX)  were
          calculated separately for each of the listed engine
          types.

a. 11. is
2.11.19
2.11.20

Were emission calculations performed separately for the
following equipment types?
- Tracklaying tractors (diesel)
- Tracklaying loaders (diesel)
Were local employment statistics for SIC codes 10-14, 20-39, and
50-51 used to estimate the number of industrial engines in use
in the inventory area?
Were VOC, CO and NO- emission calculations performed for the
following industrial engine categories?
- Heavy duty diesel
- Heavy duty gasoline
YES





NO





COMMENTS





tls.tMla
                              4-35
-------
2.11.21   Review the inventory document and determine if the
          number of non-road motorcycles was estimated using the
          approach described in the procedures manual which uses
          motorcycle registration as a surrogate parameter.
          Denote in the comments column the report page number(s)
          where the information is documented.  If a different
          approach was used for deriving emissions from non-road
          motorcycles check the "No" box and briefly describe the
          approach.  If the report does not discuss emissions
          from non-road motorcycles and does not provide
          rationale explaining why such emissions do not occur in
          the inventory area then the reviewer should check the
          "No" box and write "no estimate/no discussion" for
          questions 2.11.19 and 2.11.20.

2.11.22   Check the summary tables and determine if estimates of
          all three pollutants are included.

2.11.23   Determine if the NEDS Fuel Use Report was used to
          estimate the quantity of fuel used in lawn and garden
          equipment.  Denote in the comments column the report
          page number(s) where the information is documented.  If
          a different source was used as the basis for estimating
          fuel use, check the "No" box and identify the
          alternative source.  If the report does not discuss
          emissions from lawn and garden equipment and does not
          provide a rationale for why emissions should not be
          estimated, then the reviewer should check the "No" box
          and write "no estimate/no discussion" for questions
          2.11.23 through 2.11.26.

2.11.24   Determine if separate fuel use estimates were developed
          for different small engine types (2-cycle and 4-cycle).
          (Note: the EPA-recommended apportionment factor is
          93 percent of total lawn and garden fuel consumed in
          4-cycle engines, the remainder in 2-cycle).

2.11.25   Determine if emissions  (VOC, CO,and NOX) were
          calculated separately for each of the listed engine
          types.

2.11.21
2.11.22
2.11.23
2.11.24
2.11.25

Were non-road motorcycle count estimates based on the number of
motorcycles registered for on-road use?
Were VOC, CO and NOX emission calculations performed for non-
road motorcycle use?
Was the NEDS Fuel Use Report used to estimate the amount of fuel
used annually in lawn and garden equipment?
Was lawn and garden fuel use apportioned by small engine type
(2-cycle and 4-cycle)?
Were VOC, CO and NOX emissions calculated for each lawn and
garden engine type?
YES





NO





COMMENTS





tls.OAla
                               4-36
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2.11.26   Review the calculational procedures and documentation
          and determine if emission estimates for lawn and garden
          equipment were adjusted to reflect seasonal activity.
          Denote in the comments column the report page number(s)
          where the information is documented, and the seasonal
          adjustment factor used.

2.11.27   Review the documentation supporting the inventory and
          determine if state-wide recreational boat registration
          data were used as the basis for estimating fuel
          consumption by pleasure boats.  Denote in the comments
          column the report page number(s)  where the information
          is documented.  If a different approach was used, check
          the "No" box and briefly describe the approach.

          If the inventory report does not discuss emissions from
          recreational boats and does not provide a rationale for
          why emissions should not be estimated, then the
          reviewer should check the "No" box and write "no
          estimate/no discussion" for questions 2.11.27 and
          2.11.28.

2.11.28   Determine if recreational boat activity was apportioned
          to the inventory area level based on water surface
          area.  (Note: the EPA recommended approach is described
          in Procedures for Emission Inventory Preparation
          Volume IV. page 7-5.)  Denote in the comments column
          the report page number(s) where the information is
          documented.  If a different approach was used,  check
          the "No" box and briefly describe the approach.

2.11.29   Determine if DOE's Energy Data Reports were used to
          estimate the quantity of fuel used by commercial marine
          vessels.  If a different source was used as the basis
          for estimating fuel use, check the "No" box and
          identify the alternative source.   If the inventory
          report does not discuss emissions from commercial
          marine vessels and does not provide a rationale for why
          emissions should not be estimated, then the reviewer
          should check the "No" box and write "no estimate/no
          discussion" for questions 2.11.29 and 2.11.30.

2.11.26
2.11.27
2.T1.28
2.11.29

Were emission estimates from lawn and garden equipment adjusted
to reflect seasonal activity levels?
Was fuel consumption for recreational vehicles based on State-
wide boat registration data?
Were the number of recreational boats (State-wide) apportioned
to the inventory area level based on water surface area?
Were emission estimates for commercial marine vessels based on
quantity of fuel used as recorded in DOE's Energy Data Reports?
YES




NO




COMMENTS




tls.QAla
                              4-37
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2.11.30   Determine if statistics on marine vessel activity by
          port location were derived from Waterborne Commerce of
          the US.  If a different source was used as the basis
          for estimating fuel use, check the "No" box and
          identify the alternative source.

2.11.31   The recommended methodology for estimating locomotive
          emissions is found in the 1992 version of Volume IV of
          the EPA series:  Procedures for Emission Inventory
          Preparation.  If an alternate method was used, describe
          the method in the comments column.

2.11.32   Volume IV also provides tailored methods for estimating
          emissions:  locomotive roster, duty cycle, and SO2.
          Check the appropriate box if a tailoring method was
          used.  The S02 method should not apply to base year
          ozone or CO inventories.

2.11.33   The Federal Aviation Administration (FAA) has developed
          a database for estimating aircraft emissions.  If the
          FAA Aircraft Engine Emission Database (FAEED) was used,
          check the "Yes" box.

2.11.34   Volume IV provides default time-in-mode values.
          Specific time-in-mode values may be developed to better
          characterize local operations.  If 'area-specific time-
          in-mode values were used, record the source of the data
          and the specific modes that were altered.

2.11.30
2.11.31
2.11.32
2.11.33
2.11.34

Were statistics from Waterborne Commerce of the US used to
apportion marine vessel activity by port location?
Was the EPA's recommended methodology used to inventory
locomotive emissions?
If the EPA's recommended methodology was used, were either of
the following EPA tailoring methods used?
a. locomotive roster
b.duty cycle
Was the FAA Aircraft Engine Emissions Database (FAEED) used to
construct the inventory in whole or in part?
Were the aircraft emission factors used in the inventory
calculation:
a. Pre-determined emission factors by landing and takeoff (LTD)
based on default time-in-mode values?
b. Emission factors by LTO based on an evaluation (and possible
adjustment) of each operational mode?
YES







MO







COMMENTS







tls.OAla
                               4-38
-------
2.11.35   Table 5-1 of Volume IV presents default times for
          operating modes in landing and takeoff (LTO) cycles.
          If alternate times were used, check the "No" column
          that corresponds to the mode for which an alternate
          time was developed.  Generally, the taxi/idle time is
          considered the most variable.

2.11.36   For general aviation and air taxi aircraft, individual
          aircraft/engine combinations may be difficult to
          obtain.  A single emission index (by pollutant
          category) made up of a representative fleet mix is
          presented in Volume IV.  If neither of these methods
          were used to determine emissions from general aviation
          and air taxi aircraft, check the other method column
          and describe the method.

2.11.37   For military air bases, fleet make-up and LTO
          information may be difficult to obtain.  Likely sources
          of this information are the Office of the Base
          Commander or a centralized Navy or Air Force
          environmental support office.  If fleet make up and LTO
          information was obtained from any other sources, record
          the sources in the comments column.

2.11.35
2.11.36
2.11.37

Were default times used for the operating modes in all LTO
cycles?
a. 'approach
b. takeoff
c. climbout
d. taxi/idle
How were emissions from general aviation and air taxi aircraft
determined?
a. Used individual aircraft/engine combinations.
b. Used a single emission index made up of a representative
fleet mix from the guidance document.
c. Other method.
How was information on fleet make up and LTO's for military air
bases obtained?
a. Office of the Base Commander.
b. Centralized support office.
c. Other method.
YES










MO










COMMENTS










tls.OAla
                              4-39
-------
2.11.38   Seasonal or daily variations may also be difficult to
          obtain.  If seasonal or daily adjustments were made,
          check the appropriate box and briefly describe how they
          were determined.

2.12 CONSISTENCY CHECKS - AREA NON-ROAD MOBILE SOURCES

2.12.1    Using population data and annual VOC, CO, and NOX
          emission estimates for agricultural equipment in the
          inventory area, express emissions on a per capita
          basis.  Report the per capita factors for each VOC, CO,
          and NOX in the comments column, determine if the values
          fall within the defined ranges, and check the
          appropriate box.

2.12.2    Using population data and annual VOC, CO, and NOX
          emission estimates for construction equipment in the
          inventory area, express emissions on a per capita
          basis.  Report the per capita factors for VOC, CO, and
          NOX in the comments column, determine if the values
          fall within the defined ranges, and check the
          appropriate box.

2.12.3    Using population data and annual VOC, CO, and NOX
          emission estimates for industrial machinery in the
          inventory area, express emissions on a per capita
          basis.  Report the per capita factors for VOC, CO, and
          NOX in the comments column, determine if the values
          fall within the defined ranges, and check the
          appropriate box.

2.11.38
2.12
2.12.1
2.12.2
2.12.3

For any aircraft or airport, were any of the following adjusted
for daily or seasonal variations?
a. Nutter of LTO's
b. Time in approach or climbout modes
c. Taxi/idle times
d. Other.
CONSISTENCY CHECKS - AREA NON-ROAD MOBILE SOURCES
Are annual emission estimates for agricultural equipment:
- between 0.27 and 6.39 Ibs VOC/person?
Are annual emission estimates for non-road construction
equipment:
• between 1.12 and 5.35 Ibs VOC/person?
Are annual emission estimates for industrial machinery:
- between 0.30 and 0.81 Ibs VOC/person?
YES








NO








COMMENTS








tls.041a
                               4-40
-------
2.12.4    Using population data and annual VOC, CO, and NOX
          emission estimates for non-road motorcycles in the
          inventory area, express emissions on a per capita
          basis.  Report the per capita factors for VOC, CO, and
          NOX in the comments column, determine if the values
          fall within the defined ranges, and check the
          appropriate box.

2.12.5    Using population data and annual VOC, CO, and NOX
          emission estimates for lawn and garden equipment in the
          inventory area, express emissions on a per capita
          basis.  Report the per capita factors for VOC, CO, and
          NOX in the comments column, determine if the values
          fall within the defined ranges, and check the
          appropriate box.

2.12.4
2.12.5

Are annual emission estimates for non-road motorcycles:
- between 0.12 and 0.51 tbs VOC/person?
Are annual emission estimates for lawn and garden equipment:
- between 0.005 and 0.051 Ibs VOC/person?
YES


NO


COMMENTS


tls.OAla
                               4-41
-------
-------
           5.0  ON-ROAD MOBILE SOURCES DETAILED REVIEW

5.l  Introduction

     The purpose of this section is to provide instructions for a
detailed review of on-road mobile source emission estimates.  The
detailed review addresses vehicle miles travelled (VMT)
estimation procedures and the development of emission factors
through the use of MOBILE4.1.  Since many of the detailed review
checks expand on items from the Level I and Level II reviews, the
reviewer should have completed all the area on-road mobile
sources checklist questions from the Level I and Level II reviews
before proceeding.  A blank checklist for performing and
documenting the detailed review of on-road mobile sources is
included in Appendix C, Tables C-l and C-2.  The remainder of
this section presents detailed instructions on how to use the
checklist in performing the detailed review.

5.2  Instructions for Completing On-Road Mobile Sources Detailed
     Review Checklist

     This section contains instructions for completing the on-
road mobile sources detailed review checklist in Appendix C.
Appendix C contains detailed review checklists for VMT estimates
and MOBILE4.1 emission factor calculations in Tables C-l and C-2,
respectively.  The instructions are keyed to the checklist
numbering system found in the appendix.  The instructions contain
text describing how to use the checklist, and a copy of the
actual checklist questions being described to give the reviewer a
quick reference tool while reading the instructions.  If the
guidelines in the instructions are not met by the inventory, or
if documentation is insufficient to determine if guidelines are
met, the box for that question should be checked "No."
tls.0*l«
                               5-1
-------
     Reviewers should utilize the comments column to describe
specific findings or to qualify their summary findings as deemed
necessary.  If additional comment space is required, reviewers
should attach pages as necessary.  The reviewer should also
utilize the checklist comments column to list the location  (i.e.,
page number[s]) in the inventory document where a particular item
is found or discussed.  This page number accounting is important
for two reasons:  (1) follow-up comments directed to the
preparing agency should be page number specific, and (2)
successive reviews performed by the EPA can benefit by avoiding
duplicative review efforts necessary to find the specific item in
question.  The comments column can also be used to list specific
references related to a checklist item that are cited in the
inventory.  These references can then be checked at a later date
if necessary.
tls.OAla
                               5-2
-------
Table C-l.  VMT Estimates

     All questions in this table should be answered by examining
     the inventory report section for VMT estimation, and the
     supporting documentation for that section.  Some questions
     in this table ask whether certain specific data are either
     included or referenced in the inventory report; for these
     questions, the reviewer should check the "Yes" box if the
     information is either provided in the report or clearly
     referenced.  The reference used should then be indicated in
     the comments column.
Question
1.1  AGENCY ROLES
Instructions
1.1.1     The reviewer should note, in the comments column, what
          state or local agency was responsible for the functions
          indicated in items a through f.  The responsible agency
          for each of these activities should be indicated in the
          inventory report.

1.2  BASE YEAR ESTIMATES

1.2.1     The reviewer should check the space provided for the
          VMT method used in preparing the ba'se year inventory,
          and indicate the page number(s) in the inventory report
          where the method is explained.  If "other method" is
          checked, the reviewer is asked to briefly explain the
          method used in the comments column.

1.1
1.1.1
1.2
1.2.1

AGENCY ROLES
Which state/local agencies were responsible for the following
functions (if applicable)?
a. Traffic counting:
b. Network modeling:
c. Regional growth forecast:
d. Emission factors:
e. HPMS reporting to FHUA:
f. Forecasting from HPMS data:
BASE YEAR ESTIMATES
Which of the fol lowing methods was chosen to estimate base year
(1990) VMT?
_ Highway Performance Monitoring System (HPMS);
	 Network-based travel demand model;
	 HPMS- 1 ike alternative;
	 Traffic across the boundaries of specific
problem areas;
	 Other method.
List SIP page numbers that refer to the method:
YES




NO




COMMENTS




tla.OAla
                               5-3
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1.2.2     The inventory report should clearly define the
          boundaries of the VMT tracking area.  The VMT tracking
          area refers to that geographical area that the State
          has identified for the purpose of estimating VMT to
          meet emission inventory requirements.

1.2.3     The inventory report should indicate how annual VMT was
          adjusted for the inventory season.  If seasonal
          adjustment factors were applied, the reviewer should
          check the "Yes" box and briefly describe the factors
          used and the page number(s) of the report where they
          are explained.  If the inventory report has no
          discussion of seasonal adjustment factors, the reviewer
          should check the "No" box.

1.2.4     The inventory report should contain a discussion of how
          VMT was disaggregated among functional systems within
          the nonattainment area.  The reviewer should briefly
          describe the procedure used to make this disaggregation
          (e.g., network model) in the comments section, and
          indicate the page number(s) of the report where the
          procedure is described.  If the report contains no
          discussion of geographical disaggregation of VMT by
          functional system, the reviewer should check the "No"
          box.

1.2.5     The reviewer should compare the base year (1990)  VMT
          estimate contained in the inventory report to the
          annual VMT estimate reported by the state under the
          requirements of Section 187 of the Clean Air Act
          Amendments of 1990.  These requirements call on the
          states to submit estimates of actual VMT and VMT
          forecasts for CO nonattainment areas with a design
          value greater than 12.7 ppm, for each year before the
          year in which the State Implementation Plan (SIP)
          projects the National Ambient Air Quality Standard for
          CO to be attained in the area.  The VMT estimate
          submitted to the EPA under the requirements of
          Section 187 for the year 1990 should be consistent with
          the estimate provided in the 1990 base year inventory
          for the applicable nonattainment areas.

1.2.2
1.2.3
1.2.4
1.2.5

Does the inventory report describe the boundaries of the VMT
tracking area?
Does the inventory report describe how annual VMT was adjusted
to get VMT for the appropriate inventory season?
Does the inventory report describe hou VMT was disaggregated
among functional systems?
Is the base year (1990) VMT estimate consistent with the
estimation provided in the annual VMT report required under
Section 187 of the Clean Air Act Amendments of 1990?
YES




NO




COMMENTS




tls.OAla
                               5-4
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1.3  HIGHWAY PERFORMANCE MONITORING SYSTEM (HPMS) METHOD

1.3.1     Not all states base their HPMS VMT estimates on
          individual urbanized area sampling.  Some states use
          collective sampling methods.  The reviewer should
          indicate if the state sampled individual urbanized
          areas separately.

1.3.2     If urban areas are sampled individually under the HPMS
          program, the reviewer should check that VMT data for
          the inventory area have been included for:  each volume
          group within all sampled functional systems within the
          Federal Aid Urbanized Area (FAUA);  for local functional
          systems within the FAUA but not specifically sampled
          through HPMS; and for functional systems outside of the
          FAUA but within the inventory area.  The FAUA is the
          area within the boundary jointly developed by state and
          local officials and approved by the Department of
          Transportation Federal Highway Administration (FHWA) to
          serve the federal aid highway program needs and
          requirements.

1.3.3     The reviewer should check to make sure that the number
          of volume groups within each functional system is
          listed in the SIP.

1.3
1.3.1
1.3.2
1.3.3

HIGHWAY PERFORMANCE MONITORING SYSTEM (HPMS) METHOD
Are urban areas in the state sampled separately under HPMS?
If urban areas are sampled separately, does the HPMS -based SIP
estimate include VMT on all of the following?
-Each volume group within all sampled functional systems within
the Federal Aid Urbanized Area (FAUA);
-Interstates
•Other freeways/expressways
-Other principal arterials
-Minor arterials
-Collectors
-The local functional system within the FAUA;
-If the inventory area is larger than the FAUA, VMT on
functional systems outside the FAUA but within the inventory
area.
Is the number of volume groups within each functional system
listed?
YES










NO










COMMENTS










tls.OAla
                               5-5
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1.3.4 .    The methodology and calculations used to estimate VMT
          on local functional systems within the FAUA area should
          be documented in the inventory report.  VMT reported to
          HPMS for local functional systems are not generally
          based on the same collection methods used for other
          functional systems and therefore the inventory report
          must indicate the procedures used to collect this
          information.

1.3.5     If the inventory area is larger than the FAUA, the
          inventory report must indicate how VMT data were
          developed for roads outside of the FAUA.  The preparing
          agency has different options for preparing these data.
          Two specific options are listed under this checklist
          question and the reviewer should check the appropriate
          box if either method was used.  If another method was
          used, the reviewer should check the "Yes" box for
          "another method," and, under the comments column, give
          a brief description of the method used and the page
          number(s) in the inventory report where it appears.

1.3.6     The HPMS contains data on traffic volume counts for
          sample segments of the different functional systems.
          These counts are then expanded from the sample segments
          and used for estimating average annual daily traffic
          (AADT) for different functional systems within the
          FAUA.  The documentation for VMT data should be
          reviewed to determine if the actual traffic counts for
          each sample segment included in the inventory area are
          reported in the. SIP or whether a reference is given for
          the information.

1.3.4
1.3.5
1.3.6

Are methodology and calculations used to estimate VMT on the
local functional system documented in the SIP?
Is the inventory area larger than the FAUA?
If the answer to question 1.3.4 was "Yes," hou was VMT on roads
outside the FAUA but inside the inventory area estimated?
-Applied a state- or county-specific estimate of travel per mile
of roadway to mileage of roads outside the FAUA;
-Travel outside the FAUA is primarily rural. Applied VMT per
roadway mile from other purely rural counties to estimate the
VMT;
-Another method.
Are the actual traffic ground counts for each HPMS sample
segment listed in the SIP?
YES






MO






COMMENTS






                               5-6
-------
1.3.7     The documentation for VMT should include .the dates of
          the traffic counts and number of hours over which they
          were made.  If this information is provided in the SIP,
          list the page numbers.  If a reference is given for the
          information,  list the reference in the comments column.
          If this information is not provided, or no traffic
          counts are included in the report, check the "No" box.

1.3.8     Review the VMT documentation in the inventory report to
          determine if the number of road miles within the FAUA
          is listed by facility class/volume group or if a
          reference is given for the information.

1.3.9     Review the procedures for estimating VMT in the
          inventory report to determine if the factors used to
          expand the HPMS sample segment data into VMT estimates
          for the FAUA are documented either in the SIP or in a
          reference.  The expansion factors should be provided
          for each facility class/volume group.

1.3.10    Traffic volume counts can vary due to seasonal and
          daily variations in traffic flow.  The inventory report
          should indicate the methods and factors used to adjust
          traffic volume counts on sample segments for seasonal,
          daily, or hourly variations.

1.3.11    Under the HPMS program,  traffic counts are conducted so
          that each sample segment is counted every 3 years.   For
          a given year, adjustments have to be made for sample
          segments not actually counted in that year.  The
          inventory report should indicate how these counts were
          adjusted for the appropriate year.

1.3.7
1.3.8
1.3.9
1.3.10
1.3.11

Are the dates of those counts and the number of hours over which
they were made listed in the SIP or is a reference given for the
information?
Is the number of road miles within the FAUA by facility
class/volume group listed in the SIP or is a reference given for
the information?
Are the factors used to expand the HPMS segment data into FAUA
VMT estimates by facility class/volume group listed in the SIP
or is a reference given for the information?
Are the methods and factors used to adjust counts -on sample
segments for month, day-of-week, and/or hour-of-day documented
in the SIP?
Are the methods and factors used to adjust counts on sample
segments not actually counted In a given year documented in the
SIP?
YES





NO





COMMENTS





                               5-7
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1.4  NETWORK-BASED MODEL METHOD

1.4.1     If a state chose to use a network-based travel demand
          model method to prepare VMT estimates instead of using
          HPMS data for the 1990 base year inventory, the
          inventory report should indicate why the network-based
          model was used.  Theoretically, a network-based model
          provides more detail on the location, sources and
          purposes of travel and a significant effort is required
          to annually update inputs to this type of model.  For
          the purpose of base year inventories, the EPA
          recommends that nonattainment areas use a network-based
          model only if its 1990 HPMS data are particularly weak,
          its network-based model is validated with 1990 traffic
          counts, and only after consulting with the EPA.  The
          report should indicate the shortcomings of the HPMS
          data for 1990 that lead the state to use a network
          model instead.  The reviewer should briefly describe
          the shortcomings given in the report in the space
          provided.

1.4.2     The geographical area covered by the network-based
          model must be documented in the inventory report.  The
          reviewer should note in the comments column, the SIP
          page number that refers to the information or the
          reference given for the information.

1.4.3     Network-based travel demand models require demographic
          inputs to be assembled for the transportation planning
          network.  These inputs should be checked to determine
          if they have been updated to the 1990 base year.

1.4.4     The final VMT results from a network-based model are
          generally validated via comparison to actual traffic
          ground counts at selected sites along the
          transportation planning network.  The inventory report
          should clearly state that the model results have been
          validated against 1990 traffic ground counts for the
          inventory area.

1.4
1.4.1
1.4.2
1.4.3
1.4.4

NETWORK-BASED MODEL METHOD
What are the shortcomings of the HPMS data for 1990 that lead
the state to use this approach instead?
is the geographic domain to which the model inputs and the VMT
estimates refer documented in the SIP or is a reference given
for the information?
Are demographic inputs to the model updated to 1990?
is the model validated against 1990 ground counts?
YES





NO





COMMENTS





tls.041a
                               5-8
-------
1.4.5     The inventory, report should document the methods and
          measures used to validate the network-based model and
          the results of that validation.  The reviewer should
          list the SIP page number where the information is
          provided or the reference that is given for the
          information.

1.4.6     For validation purposes, the extent to which traffic
          assigned to network-based links (which represent
          sections of facilities within the network planning
          area)  matched the 1990 base year traffic counts should
          be documented in the inventory report for groups of
          links ranked by average daily traffic volume.  The
          reviewer should list the SIP page number where the
          information is provided or the reference that is given
          for the information.

1.4.7     The reviewer should check the approach used in the
          network-based model to distinguish between peak and
          off-peak travel.  If only two periods (peak and
          off-peak)  are used, the reviewer should indicate the
          time period, in hours, that defines each one.  If more
          than two periods are used, the reviewer should indicate
          in the comments column how the periods were divided.
          The reviewer is also asked to provide the page
          number(s)  in the inventory where this distinction is
          explained.

1.4.8     The network-based model should have used a constrained
          equilibrium approach to allocating trips among links.
          If a procedure different than a constrained equilibrium
          approach was used, the reviewer should check the "No"
          box and indicate what procedure was used in the
          comments column.

1,4.5
1.4.6
1.4.7
1.4.8

Are the methods and measures used to validate the model and the
results of that validation documented in the SIP or is a
reference given for the information?
Is the extent to which the traffic assignment matched the base
year ground count for groups of links ranked by average daily
traffic volume documented in the SIP or is a reference given for
the information?
What distinction is made between peak versus off-peak periods?
-Only two periods (peak and off-peak);
Peak Period (hours): 	
Off-Peak Period (hours): 	
-More than two periods;
-24 hours (hour-by-hour).
List SIP page numbers that refer to the data:
Did the model use a constrained equilibrium approach to trip
assignment?
YES




NO




COMMENTS




tla.OAla
                               5-9
-------
1.4.9     The inventory report should indicate if model outputs
          on zone-to-zone travel times were recycled as inputs
          until a self-consistent equilibrium trip assignment
          among zones was achieved.   If outputs were not
          recycled,  or it cannot be determined from the report,
          the reviewer should check "No" to this question.

1.4.10    If transit use is or is expected to account for a
          significant portion of travel on the network, the
          inventory report should indicate whether model outputs
          on zone-to-zone travel times were recycled as inputs
          until a self-consistent equilibrium trip assignment
          among modes was achieved.                         ~

1.4.11    The socio-economic data categories (population, number
          of households, and employment) should be documented in
          the inventory report.   The report itself should provide
          the data,  or it should provide a reference for the
          data.  The reviewer should list either the SIP page
          number on which the data appear or the reference for
          this information in the comments column.  References
          may include, but are not limited to,  other specific
          reports, internal agency records, and/or FHWA
          databases.

1.4.12    The reviewer should briefly describe the procedure that
          was used in the inventory to ensure that no link in the
          network was loaded beyond its reasonable capacity.  If
          no procedure is listed in the inventory report, the
          "No" column should be checked.

1.4.13    The geographic domain to which the model inputs and the
          VMT estimates refer should be documented in the
          inventory report or clearly referenced.

1.4.9
1.4.10
1.4.11
1.4.12
1.4.13

Were model outputs on zone-to-zone travel times recycled as
inputs until a self-consistent equilibrium trip assignment among
zones and modes was achieved?
If transit use is or is expected to account for a significant
portion of travel on the network, were outputs on zone-to-zone
travel times recycled as inputs until a self -consistent
equilibrium trip assignment among modes was achieved?
Are the following socio-economic data for the base year (1990)
documented in the SIP?
-Population, both total and those 16 years and older
-Number of households
-Employment
Is the procedure used to ensure that no link was loaded beyond
its reasonable caoacity described in the inventory report?
Is the geographic domain to which the model inputs and the VMT
estimates refer documented in the SIP, or is a reference given
for the information?
YES







NO







COMMENTS







                               5-10
-------
1.4.14    The transportation planning network that is covered
          under the network-based model should be clearly
          described and references for each network parameter
          should be provided in the inventory report.  The
          reviewer should list the reference for the parameters
          and the SIP page number providing the description of
          the network in the comments column.

1.4.15    The listed model outputs should be documented in the
          inventory reports.  The documentation may consist of
          references to other specific reports, internal agency
          records, and/or FHWA databases for this information.
          If the information is provided in the SIP, the reviewer
          should enter the data in the comments column as well as
          list the SIP page number where the information is
          found.  Otherwise, list the reference in the comments
          column.

1.4.16    In order to more effectively and accurately predict
          vehicle speeds for use in estimating mobile source
          emissions, the EPA recommends that constrained
          equilibrium speeds from the network-based model be
          refined using volume-to-capacity equations for each
          function class.  The reviewer should check that these
          equations were used and properly documented in the
          inventory report.  List the SIP page numbers or
          reference that describes this procedure.

1.4.14
1.4.15
1.4.16

Are a description of the network and a reference to complete
documentation of network parameters given in the SIP or is a
reference given for the information?
Are the following model outputs documented in the SIP?
-Person-trip lengths in minutes by trip purpose
-Person trips by purpose for internal trips
Are the constrained equilibrium speed versus volume-to-capacity
equations by functional class documented in the SIP or is a
reference given for the information?
YES




NO




COMMENTS




tIs.04 la
                              5-11
-------
1.4.17    Certain areas and facility types within the
          nonattainment area may not be covered within the
          network-based model.   The specific methodology and
          calculations used to estimate VMT on facility types not
          covered by the network-based model, or outside of the
          geographic boundaries of the network, must be
          documented in the inventory report.  The reviewer
          should check that VMT estimation procedures for the
          listed functional systems not covered by the network-
          based model are documented in the inventory report.
          List the SIP page numbers or references where this
          information is located.

1.5  HPMS-LIKE ALTERNATIVE METHOD

1.5.1     Under the following conditions,  a State may use an
          alternative to HPMS to estimate actual VMT for the 1990
          base year:  (1) the SIP is based on an attainment
          demonstration for a specifically defined area that
          encompasses all vehicle travel contributing to the
          nonattainment situation; (2) the HPMS-like system
          tracks VMT within an area that encompasses all vehicle
          travel contributing to the nonattainment situation;
          (3)  the alternative system is equivalent to HPMS in
          terms of providing reliable and accurate VMT estimates
          for the area; and (4)  the HPMS-like' alternative method
          conforms to FHWA guidance.  If an HPMS-like alternative
          method was used in estimating VMT, the inventory report
          should contain documentation for the methodology used
          and justification for its use.  If an alternative
          method was not used,  the reviewer should indicate this
          in the comments column and proceed to checklist
          question 1.6.

1.5.2     The inventory report should indicate that the HPMS-like
          alternative method conforms to the FHWA guidance and an
          explanation is provided on how this conclusion was
          reached.

1.4.17
1.5
1.5.1
1.5.2

Are the specific methodology and calculations used to estimate
VMT accumulated on the following functional systems included in
the SIP or is a reference given for the information?
-The local functional systems within the FAUA
-Functional systems within the FAUA but outside of the
geographic domain of the network-based travel demand forecasting
process
-Functional systems within the inventory area but outside of the
FAUA
HPMS-LIKE ALTERNATIVE METHOD
Is the alternative HPMS -I. ike system documented and justified in
the SIP?
Does the SIP assert that the alternative HPMS-like system
conforms to FHUA guidance?
YES






NO






COMMENTS






                               5-12
-------
1.5.3     The inventory report should indicate how the HPMS-like
          alternative method is equivalent to HPMS in terms of
          estimating VMT for the nonattainment area.

1.5.4     The inventory report should identify an agency or
          agencies that have endorsed the HPMS-like alternative
          method used as being reliable and accurate.  The
          reviewer should indicate the other agencies that
          endorsed or approved the use of the HPMS-like method
          under the comments column.

1.6  TRACKING TRAFFIC ACROSS THE^BOUNDARIES OF SPECIFIC PROBLEM
     AREAS

1.6.1     Under certain conditions, a State containing a moderate
          CO nonattainment area may receive prior approval from
          the EPA for an attainment demonstration that addresses
          only locally generated vehicle emissions in a finite
          number of localized areas of high CO concentrations.
          In this scenario,  and with prior approval from the EPA
          Regional Administrator, a State may estimate and track
          the traffic across the boundaries of each of the
          specified areas rather than over wider areas.  The
          inventory report should indicate if prior approval has
          been received to track the traffic across the
          boundaries of specific problem area's, specifically who
          granted the approval, and the date of the approval.  If
          the inventory does not include specific problem areas
          as described above, the reviewer should indicate this
          in the comments column, and does not need to complete
          checklist questions 1.6.2 - 1.6.7.

1.6.2     The inventory report should indicate what percentage of
          the VMT in the specified localized problem area comes
          from traffic across the boundaries of the areas and
          what percentage is due to intra-area traffic.  If the
          information is provided in the SIP, the reviewer should
          enter the data in the comments column as well as list
          the SIP page number.  Otherwise, list the reference in
          the comments column.

1.5.3
1.5.4
1.6
1.6.1
1.6.2

Does the SIP assert that the alternative system is equivalent to
HPMS in terms of providing as reliable and accurate a VMT
estimate for the area?
What other agencies have endorsed the alternative system as
being reliable and accurate?
TRACKING TRAFFIC ACROSS THE BOUNDARIES OF SPECIFIC PROBLEM AREAS
Has the state received prior approval for an attainment
demonstration that addresses only locally generated vehicle
emissions in a finite number of problem areas?
What percentage of the VMT in the area comes from the traffic
across the boundaries of each of the specified areas and what
percentage is due to intra-area traffic?
YES





NO





COMMENTS





tls.OAla
                              5-13
-------
1.6.3     The description pertaining to the methodology used in
          tracking traffic across the boundaries of the specific
          problem areas should indicate that traffic counting
          included all approaches to each area.

1.6.4     Traffic counting procedures should be in accordance
          with FHWA guidance.  The inventory report should
          indicate that FHWA guidance was followed in tracking
          traffic across the boundaries of the specific problem
          areas.   If FHWA guidance procedures were not used, or
          if the report does not indicate if they were used, the
          "no" box should be checked.

1.6.5     Traffic counting should have been done during the peak
          CO season on those days of the week and times of day
          when exceedances occur in the specific problem area.

1.6.6     For the specific problem areas, the reviewer should
          determine if base year traffic counts were taken within
          the 1987-1989 period and adjusted for area-wide growth
          to 1990.

1.6.7     For the specific problem areas defined in
          question 1.6.1, the inventory report should indicate
          the method that was used to estimate areawide VMT for
          the 1990 base year.  The review should briefly describe
          the method used (e.g., traffic counts) and the page
          number(s) in the inventory where the method is
          described.

1.6.3
1.6.4
1.6.5
1.6.6
1.6.7

Does traffic counting include all approaches to each area?
Does traffic counting meet FHUA guidance?
Does traffic counting occur during the CO season on those days
of the week and times of day when CO exceedances occur?
Are base-year counts taken within the 1987-1989 period and
adjusted for area wide growth to 1990?
What method was used to estimate areawide VMT in 1990?
List the method:
List SIP page numbers that refer to the method:
YES




J
NO





COMMENTS





tls.OAla
                              5-14
-------
Table C-2.   Emission Factor Calculations and Use of MOBILE4.1
     All questions in this table should be answered by examining
     the MOBILE4.1 input files.  Copies of the input files should
     be provided.  If copies of the input files are not included,
     answer each question on the basis of what information
     (narrative, tables, etc.) is supplied.  For each question
     answered, cite the relevant section or page(s) of the
     inventory in the comments column.
Question
2.1  INPUT CHECKS
Instructions
2.1.1     Unless locality-specific tampering rates were used
          (TAMFLG=2), the MOBILE4.1 default tampering rates
          should be used (TAMFLG=1).   The default tampering rates
          are adequate in most instances.  Alternate tampering
          rates must be based on actual in-use tampering surveys.
          The surveys should be approved in advance by the EPA's
          Field Operations and Support Division.  An example of
          when locality-specific tampering rates may be developed
          is for areas with operating inspection and maintenance
          (I/M) programs in which the EPA has conducted a
          tampering survey.

2.'1
2.1.1

INPUT CHECKS
a. Were M08ILE4.1 tampering rates used (TAMFLG=1)7
b. If local ity=specific tampering rates were used (TAMFLG=2),
is documentation provided that the rates used and the tampering
survey(s) on which they are based were reviewed and approved by
the EPA's Field Operations and Support Division?
YES



NO



COMMENTS



tls.OAla
                              5-15
-------
2.1.2     Record the average speed used for each roadway type.
          Not all planning departments use identical roadway type
          classifications... If alternative roadway types appear
          in the inventory, record them and their average speeds
          in the comments column.

          It is expected that MOBILE4.1 will be run using at
          least three different average speeds.  More than one
          average speed should be used to obtain more accurate
          emission estimates.  Multiple average speeds are
          requested because the average speeds on each of the
          roadway types will differ.  Also, the source of the
          average speeds by roadway type should be documented.
          Record the data source in the comments column.

2.1.3a    If one vehicle miles travelled (VMT) mix was used for
          the entire inventory area, check the "Yes" box.  This
          indicates that the same VMT mix was used for all
          subareas and roadway types.

2.1.3b    If the VMFLAG was set to 1, the default MOBILE4.1 VMT
          mix was used.  Inventory guidance recommends that
          specific VMT mixes be developed.

2.1.3c    For emission inventory development,, the EPA generally
          expects states to develop and use their own specific
          VMT estimates by vehicle type.  If states developed VMT
          estimates by vehicle type, VMFLAG will be either 2 or
          3.  If specific VMT estimates were developed, the VMT
          derivation and source(s) should be documented.

2.1.2
2.1.3
•
a. What average speeds were assumed for each of the fol lowing
roadway types?
Interstates Urban:__mph; Rural: 	 mph
Principal After ials Urban:__mph; Rural: 	 mph
Minor Arterials Urban:__mph; Rural; mph
Major Collectors Urban: 	 mph; Rural; mph
Minor Collectors Urban; mph; Rural; moh
Local Roads Urban:__mph; Rural; mph
Any other roadway types
(Specify: ) Urban: mph; Rural: mph
b. Was the source of the assumed average speeds by roadway type
specified?
a. Is the same VMT mix used for all roadway types and subareas?
b. Was the MOBILE4.1 VMT mix by vehicle type used (VMFLAG»1)7
c. if locality-specific VMT mix(es) by vehicle type were used
(VMFLAG=2 or 3), are the derivation of these values and the data
sources(s) provided?
YES





NO





COMMENTS





tls.QAla
                               5-16
-------
2.1.4a    The EPA strongly recommends using the MOBILE4.1 annual
          mileage accumulation rates by age.  If the MOBILE4.1
          rates were used, MYMRFG will be either 1 or 3.

2.1.4b    If locality-specific annual mileage accumulation rates
          by age were used (MYMRFG=2 or 4),  the development and
          data source should be documented.   In addition, the EPA
          has requested that prior approval be obtained to
          develop locality-specific annual mileage accumulation
          rates by age.  In the comments column, indicate if
          prior approval was obtained.

2.1.4c    The EPA encourages and recommends the use of area- or
          State-specific registration distributions by age.  If
          specific registration distribution information was
          used, MYMRFG will be either 3 or 4.  In the comments
         . column, indicate if the registration distribution was
          area- or State-specific.  Also, indicate if a calendar
          year other than 1990 was used.

2.1.4d    If area- or State-specific registration distributions
          were used (MYMRFG=3 or 4), their development and
          source(s)  should be documented.

2.1.4e    The EPA recommends developing registration
          distributions by age.  If the MOBILE4.1 registration
          distributions were used (MYMRFG=1 or 2),  justification
          should be provided for not having developed and used
          area- or State-specific distributions.

2.1.4

a. Were M08ILE4.1 annual mileage accumulation rates by age used
(MYMRFG= 1 or 3)7
b. If the locality-specific annual mileage accumulation rates
by age were used for one or more vehicle types, are the
derivation of the rates and the data source
-------
2.1.5     The EPA guidance recommends that the default MOBILE4.1
          basic emission rate equations be used.  If alternate
          equations were used (NEWFLG=2),  justification for the
          alternate equations should be provided.  If alternate
          equations were used, indicate if the EPA was contacted
          for guidance.

2.1.6     The EPA expects that areas with operating I/M programs
          will consider the effects of the I/M program by using
          MOBILE4.1.  If no I/M programs exist in the area,
          IMFLAG should be set at l.  If an I/M program exists,
          IMFLAG should be set at 2.  If I/M programs exist in
          some, but not all of the inventory area, MOBILE4.1
          should be run at least twice with IMFLAG set to 1 and
          then to 2.  The inventory should identify what areas
          have operating I/M programs.  For areas with I/M
          programs operating in a portion of the area, VMT must
          be allocated proportionally.  The documentation should
          describe how the VMT was allocated.

2.1.5
2.1.6

a. Were MOBILE*. 1 basic emission rates used (NEWFLG=1)?
b. If any alternate basic emission rates equations were used
(NEWFLG=2), is justification provided?
a. Is the area being modeled subject to the requirements of an
inspection/maintenance (I/M) program in the base year?
b. If the answer to the preceding question was "Yes," did the
program cover:
-the entire area being modeled?
-only a portion of area being modeled?
c. Were the effects of the I/M program on the emission factors
calculated by MOBILE4.1 accounted for (IMFLAG=2)?
d. if the program applied only to a portion of the area being
modeled, were MOB I LEA. 1 runs both with and without the I/M
program used?
e. If the I/M program applied to only a portion of the area,
what areas are and are not covered by the program?
Covered by I/M:
Mot covered by I/M:
f. How was the VMT split from vehicles registered in each of
the I/M domains (covered and not covered) determined?
Date source(s):
Derivation (cite relevant section of submittal)
pgs
YES









NO









COMMENTS









tIs.04 la
                              5-18
-------
2.1.7     If corrections for air conditioning usage, extra
          loading, trailer towing, and humidity were used
          (ALHFLG=2 or 3), justification for their use should be
          supplied.  If any of these corrections are used in the
          1990 base year inventory, they must also be used in
          projection inventories.

2.1.8     The documentation should state whether the area is
          subject to the requirements of an anti-tampering
          program  (ATP).  If the effects of an ATP are not to be
          modeled, the ATPFLG should be set to 1.  If the effects
          of an ATP were modeled, ATPFLG will be set to 2.  If
          only a portion of the area is subject to an ATP,
          MOBILE4.1 should be run at least twice with ATPFLG set
          to 1 and then set to 2.  The inventory should identify
          what areas have ATP programs.  For areas with ATP
          programs operating in a portion of the area, VMT must
          be allocated proportionally.  The documentation should
          describe how the VMT was allocated.

2.1.7
2.1.8

a. Were corrections for air conditioning use, trailer towing,
extra load, and/or NOX humidity correction used in the MOBILE4.1
runs (ALHFLG*2 or 3)7
b. If so, is justification provided for the use of these
corrections?
a. Is the area being modeled subject to the requirements of an
anti- tampering program (ATP) in the base year?
b. If the answer to the preceding question was "Yes," did the
ATP cover:
•the entire area being modeled?
-only a portion of area being modeled?
c. Were the effects of the ATP on the emission factors
calculated by H08ILE4.1 accounted for (ATPFIG=2)7
d. If the program applied only to a portion of the area being
modeled, were HOBIIE4.1 runs both with and without the IATP
used?
e. If the ATP applied to only a portion of the area, what areas
are and are not covered by the program?
Covered by ATP:
Not covered by ATP:
f. How was the VMT split from vehicles registered in each of
the ATP domains (covered and not covered) determined?
Date source(s):
Derivation (cite relevant section of submittal)
pgs
YES









NO









COMMENTS









tia.0*l«
                              5-19
-------
2.1.9a    The EPA recommends that refueling emission factors be
          calculated by MOBILE4.1.  If MOBILE4.1 refueling
          emission factors were used, RLFLAG will be 1, 2, 3,
          or 4.

2.1.9b    If refueling emissions were not calculated using
          MOBILE4.1 emission factors (RLFLAG=5), they should be
          addressed in the stationary area portion of the
          inventory.

2.1.9c    If refueling emission factors from MOBILE4.1 were used
          (RLFLAG=1, 2, 3, or 4), record if the emission factors
          were calculated in g/gal or g/mi.  The EPA recommends
          using the g/gal emission factor multiplied by total
          gasoline sales.

2.1.9d    If g/mile is multiplied by VMT to estimate refueling
          emissions, justification should be provided for not
          using g/gal multiplied by total gasoline sales.  Cite
          the relevant section of the inventory in the comments
          column.

2.1.9e    The inventory should state if their area is covered by
          a Stage II (at-the-pump) vapor recovery system (VRS)
          control program.

2.l.9f    If the area is subject to a Stage II VRS control
          program and refueling emissions were estimated using
          MOBILE4.1, then the refueling flag input (RLFLAG)
          should be set at either 2 or 4.

2.1.9g    If RLFLAG=»2 or 4,  two additional inputs are required:
          program start year and percent efficiency.   The
          development of these inputs should be docomented.

2.1.9

a. Were refueling emissions included in the emission factors
calculated by MOBILE*. 1 (RLFUG=1, 2, 3, or 4)7
b. If refueling emissions were not included in the emission
factors 
-------
 2.1.10     Base year inventory emissions should he estiT?t-«-..-i on a
           daily basis.   Therefore,  the temperat\ize flag    .icing
           (TEMFLG)  should be l.   If emissions wera cal.. •_	uad on
           an hourly basis,  the report should explain the reason
           for reporting this way,  and the appropriate flag
           setting (TEMFLG=2)  should have been used.

 2.1.11     The hydrocarbon emission factors should be calculated
           as volatile organic compounds (VOC's).  The flag NMHFLG
           should equal 3.   If a different emission factor was
           chosen (NMHFLG=l,  2,  4,  or 5), the rationale for that
           choice should be  documented.  The hydrocarbons included
           in the MOBILE4.1  emission factors should be consistent
           with the  remaining inventory portions (stationary and
           non-road  mobile sources).

2.1.10
2.1.11

a. Hou were the emission factors calculated by MOBILE4.1?
-for the entire day
-on an hourly basis
-both ways
b. Was the appropriate temperature flag setting used (TEMFUG=1
for daily emission factors, TEMFLG=2 for hourly emission
factors)?
a. What were the hydrocarbon (HC) emission factors used
calculated as?
-total HC (THC) (NMHFLG=1);
-non-methane HC(NMHC) (NMHFLG=2);
-volatile organic compounds (VOC) (NMHFLG*3);
-total organic gasses (TOG) (NMHFLG=4); or
-non-methane organic gasses (NMOG) (NMHFLG=5).
b. Is an explanation provided for the choice of HC emission
factors composition provided?
and is this choice consistent with the composition of the
stationary source portion of the emission inventory?
YES











NO











COMMENTS











'tls.OAla
                               5-21
-------
2.1.12    For areas with I/M programs,  MOBILE4.1 should be run
          with IMFLAG set to 2.   This will require the user to
          provide specific inputs for their I/M program.  The
          inputs should agree with those prepared by the EPA's
          I/M staff.  If alternate credits were used, these
          credits should be approved by the EPA and documented in
          the inventory.

2.1.12

a. Are the I/M program parameters used in the M08ILE4.1 runs
provided?
b. Compare the parameters provided in the inventory submit tal to
those provided by the EPA I/M staff. If the parameters agree,
mark "Yes;" if they do not agree, mark "No." Note any
discrepancies in the comments section.
-program start year
-stringency level (X)
-first model year (MY) covered
-last MY covered
-pre- 1981 MY waiver rate (X)
-1981 and MY waiver rate (X)
-compliance rate (X)
-program type (centralized, decentralized computerized,
decentralized manual)
-frequency of inspections (annual, biennial)
•vehicle types covered (LDGV/LOGT1/LDGT2/HDGV)
•test type
-alternate I/M credits used
c. If alternate I/M credits were used, are these credits
"adequately documented and approved for use by the EPA I/M staff?
YES














NO














COMMENTS














                              5-22
-------
2.1.13 .   For areas with an ATP, the ATP parameters used  in the
          MOBILE4.1 runs should be provided.  The required ATP
          inputs for MOBILE4.1 are given in the checklist.  The
          reviewer is asked to compare the ATP input parameters
          used in the inventory submittal to those provided by
          the EPA's I/M staff and to note any discrepancies in
          the comments column.

2.1.13

a. Are the ATP parameters used in the MOBILE4.1 runs provided?
b. Compare the parameters provided in the inventory submittal to
those provided by the EPA I/M staff, if the parameters agree,
mark "Yes;" if they do not agree, mark "No." Note any
discrepancies in the comments section.
-program start year
-first model year (MY) covered
-last MY covered
-vehicle types covered (LDGV/LDGT1/LDGT2/HDGV)
-program type (centralized, decentralized)
-compliance rate (X)
-inspections performed (air system, catalyst, fuel inlet
restrictor, tailpipe lead deposit test, EGR system, evaporative
system, PCV, gas cap)
YES








NO








COMMENTS








tls.041«
                               5-23
-------
2.1.14    If the effect of Stage II vapor recovery systems was
          modeled,  the Stage II parameters used in the MOBILE4.1
          runs should be provided.   The required Stage II inputs
          for MOBILE4.1 are given in the checklist.  The reviewer
          is asked to compare the Stage II program input
          parameters to those provided by the EPA and to note any
          discrepancies in the comments column.  The control
          efficiency for refueling emissions depends on rule
          effectiveness and rule penetration.  For example, based
          on enforcement level and percent of fuel throughput at
          exempted stations, an area's rule effectiveness might
          be 80 percent.  If 90 percent of all LDV gas and
       -  80 percent of all HDV gas is dispensed at Stage II
          stations, then the value for LDGV's is 0.72 (0.9 * 0.8)
          and the value for HDGV's is 0.64 (0.8 * 0.8).  Since
          HDGV's are more likely to refuel at exempt stations,
          their efficiency will generally be less than the LDGV
          efficiency.

2.1.K

a. Are the Stage II program parameters used in the M08ILE4.1
runs provided?
b. Compare the parameters provided in the subnittal to those
provided by the EPA. If the parameters agree, mark "Yes;" if
they do not agree, mark "No." Note any discrepancies in the
comments section.
-program start year
-phase- in period (years)
-efficiency at controlling refueling emissions from LDGV's and
LDGT's (X)
-efficiency at controlling refueling emissions from HDGV's (X)
YES




*

NO






COMMENTS






                              5-24
-------
2.1.15    The minimum and maximum temperatures used in the
          MOBILE4.1 runs should be provided.  In addition, the
          development of the temperatures should be documented.
          If average annual emission factors were used, the
          derivation of the temperatures should also be
          documented.

          If hourly temperatures were used, their derivation
          should be discussed.  If hourly emission factors were
          calculated, the method used to disaggregate daily
          diurnal evaporative and refueling hydrocarbon emissions
          to hourly emissions should be discussed.
          Questions 2.1.15e through 2.1.15i are only for areas
          that do hourly emission factor modeling.

2.1.15

(For ozone/HC modeling)
a. For daily emission factor calculations, are the mininun and
maxinun temperatures used to model "typical summer day"
conditions based on the temperatures recorded on the day having
the ten highest ozone concentrations within a 3-month peak ozone
season during 1988-90, as provided in the inventory preparation
guidance?
b. What are the temperatures used for modeling "typical summer
day" emission factors?
Min: "F, Max: °F
c. What are the temperatures used for modeling average annual
emission factors?
Min:_°F, Max:_'F
d. Is the derivation of the temperatures used to model average
annual emission factors documented?
e. Were the hour-by-hour temperatures used to model "typical
summer day" emission factors based on the temperatures recorded
on the days having the ten highest ozone concentrations within a
3-month peak ozone season during 1988-90, as provided in the
inventory preparation guidance?
f. Is the derivation of the temperatures used to model "typical
summer day" emission factors on an hour-by-hour basis documented?
g. What are the minimum and maximum temperatures used in the 24-
hour period modeled on an hourly basis for modeling "typical
summer day" emission factors, and at what times of day do they
occur?
Min: 	 "F at 	 am/pm
Max: "F at am/pm
h. Are daily emission factors also calculated, using consistent
temperatures, for the determination of diurnal evaporative and
refueling HC emissions (which cannot be modeled directly on an
hourly basis using MOB1LE4.D?
i. Is the procedures used to disaggregate the daily diurnal
evaporative and refueling HC emissions into hourly emissions
documented?
YES









NO









COMMENTS









tls.OAla
                              5-25
-------
2.1.16    The minimum and maximum temperatures used in the
          MOBILE4.1 runs should be provided.  In addition, the
          development of the temperatures should be documented.
          If average annual emission factors were used, the
          derivation of the temperatures should also be
          documented.

2.1.16

CFor CO modeling)
a. For the emission factor calculations, are the temperatures
used to model "typical winter day" conditions based on the
temperatures recorded during the ten highest 8-hour CO season
during 1988-90, as provided in the inventory preparation
guidance?
b. What are the temperatures used for modeling "typical winter
day" emission factors? Min: *f, Max: 	 °F
c. What are the temperatures used for modeling average annual
emission factors? Min: *f, Max: °F
d. Is the derivation of the temperatures used to model average
annual emission factors documented?
YES




NO




COMMENTS




tla.041a
                               5-26
-------
2.1.17    "Period 1" RVP is the average in-use RVP of gasoline in
          the area to be modeled in the time before a volatility
          control program takes effect, or the years preceding a
          change in the controlled RVP level.  The "period 2" RVP
          corresponds to the EPA's Phase II control limits for
          RVP which required that fuel RVP be limited to 9.0 psi
          RVP for most parts of the country during the summer
          ozone-season months in 1992 and later.  The "period 2"
          start year is the year in which the requirement is
          effective.  The effects of local (State, Regional) fuel
          volatility control programs may be more stringent and
          have an earlier start year than the EPA's Phase II_
          control program.

          In the comments column, record the source of the RVP
          data inputs.  Probable sources include the Motor
          Vehicle Manufacturers'  Association (MVMA) Summer Fuel
          Survey, the National Institute for Petroleum and Energy
          Research (NIPER)  Summer Fuel Survey,  and Federal RVP
          limits.  If the Federal (or other)  regulated limit on
          RVP'is used as input, 0.3 psi should be subtracted.
          For RVP limits of 7.8 psi or lower, no margin of safety
          (0.3 psi)  should be used.  The determination and source
          of "period 1" RVP,  "period 2" RVP, and "period 2"
          start year inputs should be documented.  If the stated
          "period 2" start year is earlier than 1989,
          justification should be provided.

2.1.17

(For ozone/HC modeling)
a. What is the 1990 ("period 1") RVP used in the HOBILE4.1 runs?
psi
b. Is the source of this value documented?
c. What values were used for "period 2" RVP in the MOBILE4.1
runs? psi
What was the period 2 start year in the MOBILE4.1 runs?
d. If the "period 2" start year used in the modeling is earlier
than 1989, is any justification for this assumption provided?
YES




NO




COMMENTS




tls.041a
                              5-27
-------
2.1.18    The source of the "period 1" RVP should be documented.
          If a winter volatility limit regulation is applied to
          the area, the "period 2" RVP and "period 2" start year
          should be documented.

2.1.19    Areas that are known to have significant market
          penetration of ether and/or alcohol blends are expected
          to accurately characterize the relative market share
          and oxygen content of these blends.  For areas that
          model the effect of ether and/or alcohol blends, the
          .OXYFLG value should be set to 2.  The OXYFLG value
          follows the "period 2" start year in the Local Area
          Parameter Record.  Maximum oxygen contents in MOBILE4.1
          are 3.5 weight percent for alcohol blends and 2.7
          weight percent for ether blends.  If an RVP waiver for
          alcohol blend fuels was used, the fifth (and final)
          input for oxygenated fuels should be 2.

2.1.18
2.1.19

(For CO modeling)
a. What is the 1990 ("period 1") RVP used in the MOBILE4.1 runs?
psi
b. Is the source of this value documented?
c. Is any winter volatility limit regulation in effect for the
base year in the area being modeled?
d. If so. what values were used for "period Za RVP in the
MOBILE4.1 runs? psi
What values were used for "period 2" start year in the MOBILE4.1
runs?
a. Are the effects of oxygenated fuels on the emission factors
included in the H08ILE4.1 runs (i.e., is the OXYFLG value set to
2 following the "period 2" start year on the local area
parameters record)?
b. If so, are the values provided for oxygenated fuels market
shares and oxygen contents reasonable?
-Ether blend market share: X
-Alcohol blend market share: 	 X
-Ether blend average oxygen content: 	 X
-Alcohol blend average oxygen content: X
c. Is an RVP waiver for alcohol blend fuels in effect in the
area being modeled?
YES







NO







COMMENTS







tla.QAla
                              5-28
-------
2.1.20    In most instances, the low altitude option  (1) for the
          region input will be applicable.  However, the EPA has
          designated parts of several Western States as high
          altitude (2).   The high altitude counties are listed in
          40 CFR 86.088-30.

2.1.21    MOBILE4.1 should be run for 1990 and 1991 to
          interpolate to July 1990 emission factors (ozone
          modeling).   Verify that the proper years were used by
          examining the scenario record.  For CO modeling, record
          if 1990 or 1991 emission factors were used.

2.1.22    If MOBILE4.1 was run using different average speeds for
          different roadway types, check the "Yes" box.  The
          MOBILE4.1 guidance recommends that at least three
          different average speeds be used to characterize the
          different roadway types.

2.1.23    If daily emission factors were generated (TEMFLG=1),
          the ambient temperature should be greater than the
          minimum temperature, but less than the maximum
          temperature.  If hourly emission factors were generated
          (TEMFLG=2), there should be a MOBILE4.1 run for each
          hourly ambient temperature.

2.1.20
2.1.21
2.1.22
2.1.23

Is the proper region (1=lou altitude or 2=high altitude) entered
in the scenario record?
Is the proper calendar year entered in the scenario record?
(For ozone/HC modeling)
Are both 1990 and 1991 MOBILE4.1 runs used to interpolate to July
1990 emission factors?
(For CO modeling)
In the comments section, indicate if 1990 or 1991 MOBILE4.1
emission factors were used.
Are MOBILE4.1 runs provided using each of the speeds by roadway
type or grouping (see item 2) for which emission factors are
required.
a. For daily emission factors (TEMFLG=1), is an ambient
temperature consistent with the minimum and maximum temperatures
used (minimum < ambient < maximum )?
b. For hourly emission factors (TEHFLG=2), are MOBILE4.1 runs
using each hourly ambient temperature provided?
YES






NO






COMMENTS






tls.QAla
                               5-29
-------
2.1.24    If operating mode fractions other than 20.6/27.3/20.6
          were used, justification should be provided as to why  •
          they were changed.   If different operating mode
          fractions were used for different roadway types, record
          the fractions in the checklist.  Again, justification
          should be provided for why different operating mode
          fractions were used for different roadway types.  If
          different operating mode fractions were used for each
          hour (hourly modeling), their derivation should be
          documented.

2.1.24

a. Was the standard (20.6/27.3/20.6) operating mode fraction
used?
b. If the operating mode fractions used are different than the
standard values, is documentation provided of the method by which
the values used were developed?
c. Are different operating mode fractions used for the different
roadway types?
d. If so, indicate what fractions were used for each of the
following road types:
-Interstates: Urban 	 / 	 / 	 , Rural / 	 / 	
•Principal Arterials: Urban~__/ 	 / 	 , Rural 	 / 	 / 	
-Minor Arterials: Urban 	 /' 	 / 	 , Rural 	 / 	 / 	
-Major Collectors: Urban 	 / 	 / 	 , Rural 	 / 	 / 	
-Minor Collectors: Urban 	 / 	 / 	 , Rural 	 / 	 / 	
-Local Roads: Urban / / , Rural / /
d. If different operating mode fractions were used for the
different roadway types, is the derivation of these values
documented?
e. Are different operating mode fractions used for each hour of
the day?
f. If so, is the derivation of these values documented?
YES







NO







COMMENTS





•

Us.041a
                               5-30
-------
2.1.25    If additional correction factors were  applied (ALHFLG=2
          or 3), record their values on the checklist.   The use
          of additional correction factors should  be  justified in
          the documentation.

2.1.25

a. Which of the options for application of additional correction
factors was used?
ALHFLG=2
ALHFLG=3
b. What value was used for "AC" (fraction of air-conditioner-
equipped vehicle assumed to actually be using air conditioning)?
c. What values were used for "XLOAO" (fraction of LDGV's,
LDGTt's, LDGTZ's assumed to be carrying an extra 500 Ib load)?
LOGV:
LOGT1 :
LDGT2:
d. What value(s) were used for "TRAILS" (fraction of LDGV's,
LDGTVs, LOGTZ's assumed to be towing a trailer)?
LDGV:
LDGT1:
LDGT2:
e. What value was used for "ABSHUM" (absolute humidity in grains
HjO/lb dry air, used to correct NOX emission for humidity)?
f. What dry bulb and wet bulb temperatures were used for
determination of air conditioning correction factors?
Dry: *f . Uet: °F
g. Is a rationale provided for the use of these additional
correction factors?
YES







NO







COMMENTS







tls.041a
                               5-31
-------
2.1.26    If locality-specific diesel sales fractions by model
          year were used, the source of the information and the
          derivation of the values should be provided.

2.1.27    If alternative trip length distributions were used
          (SPDFLG=3 or 4), the source of the information and the
          derivation of the values should be provided.

2.1.26
2.1.27

a. Were locality-specific diesel sales fractions by model year
for LDV's and tOT's used in the M08ILE4.1 runs?
b. Is so, is the source of the information and the derivation of
the values provided?
a. Were alternate trip length distribution statistics used in
the MOBILE4.1 runs for the calculation of running loss HC
emission factors?
b. If so, is the source of the information and the derivation of
the values provided?
LDGV:
LOGT1 :
LDGT2:
YES




NO




COMMENTS




tta.Oftla
                               5-32
-------
           6.0   NON-ROAD MOBILE SOURCES DETAILED REVIEW
                                        0-
6.1  INTRODUCTION

     The purpose of this section is to provide  instructions for a
detailed review of non-road mobile source emission estimates.
The detailed review addresses emission estimation procedures for
locomotives, aircraft, and other non-road engine and vehicle
source categories.  The non-road mobile sources detailed review
is intended to supplement the Level I and Level II reviews for
area non-road sources; some of the questions in the Level I and
Level II reviews are repeated in the detailed review in the event
the detailed review is used independently.  A blank checklist for
performing and documenting the detailed review of non-road mobile
sources is included in Appendix D, Table D-l.  The remainder of
this section presents detailed instructions on how to use the
checklist in performing the detailed review.

6.2  INSTRUCTIONS FOR COMPLETING NON-ROAD MOBILE SOURCES DETAILED
     REVIEW CHECKLIST

     This section contains instructions for completing the
non-road mobile sources detailed review checklist in Appendix D.
Appendix D contains a detailed review checklist for locomotives,
aircraft, and other non-road engine and vehicle source
categories, located in Table D-l.  The instructions are keyed to
the checklist numbering system found in the appendix.  The
instructions contain text describing how to use the checklist,
and a copy of the actual checklist questions being described to
give the reviewer a quick reference tool while reading the
instructions.  If the guidelines in the instructions are not met
by the inventory, or if documentation is insufficient to
determine if guidelines are met, the box for that question should
be checked "No."
tla.OAla
                               6-1
-------
     Reviewers should utilize the comments column to  describe
specific  findings or to  qualify their  summary findings as deemed
necessary.   If additional  comment space  is required,  reviewers
should  attach pages as necessary.  The reviewer should also
utilize the checklist comments column  to list the location (i.e.,
page number[s])  in the inventory document where are particular
item is found or discussed.   This page number accounting is
important for two reasons:   (1) follow-up comments directed to
the preparing agency can be  more easily  addressed, and
(2) successive reviews performed by the  EPA can avoid duplicative
efforts.   The comments column can also be used to list specific
references related to a  checklist item that are cited in the
inventory.   These references can then  be checked at a later date
if necessary.

     For  estimating locomotive and aircraft emissions,  the EPA's
Procedures for Emission  Inventory Preparation. Volume IV;   Mobile
Sources.  EPA-450/4-81-026d (Revised 1992)  should be used.   Draft
versions  of the revised  chapters for locomotives and  aircraft
were included in the EPA's "Interim Guidance for the  Preparation
of Mobile Source Emission  Inventories" memorandum sent to the
Regional  Offices in January  of 1992.

     For  estimating emissions from non-road mobile sources,  other
than locomotives and aircraft, several different procedures may
have been used.   For the 33  nonattainment areas listed below, EPA
is developing non-road emission inventories which can be used
either  directly, or with modifications,  by preparing  agencies for
the 1990  base year inventory.

           Anchorage/AK                         Atlanta/GA
           Baltimore/Mo                         Baton Rouge/LA
           Seaunont-Port Arthur/TX                 Boston-Lawrence-Uorcester/MA
           Cleveland-Akron-Corain/OH                 El Paso/TX
           Chicago-Gary-Lake Co/It-IN-WI              Miami-Ft. Lauderdale/FL
           Denver-3oulder/CO                      Minneapolis-St. Paul/MN
           Hartford-New Britain-Midcltetown-Bristol/CT      Phoenix/AZ
           Houston-Galveston-8razoria/TX              Portsmouth-Dover-Rochester/NH
           Las Vegas/NV                         Provo-Orem/UT
Us. 04la
                                 6-2
-------
           Hilwaukee-Racine/WI                    San Joaquin Valley/CA
           Muskegon/MI                         Sheboygan/UI
           New York-Northern New Jersey-Long Island      Philadelphia-Wilmington
            /NY-NJ-CTSpokane/WA                    -Trenton/PA-NJ-OE-MO
           Providence/RI                       St. Louis/MO
           San Oiego/CA                        Seattle-Tacoma/QA
           South Coast Air Basin/CA                Springfield/MA
           Tucson/AZ                          Uashington/OC-HO-VA

     For  areas  not among the  33  areas listed above,  EPA provided
several options.   Preparing agencies may match  their
nonattainment area to one of  33  areas based on  climate and
economic  activity and then use a population adjustment to obtain
an emission estimate for their area.  Preparing agencies may also
use the same  EPA methodology  used to produce emission  estimates
for these 33  areas, as outlined  in the EPA's Non-Road  Engine and
Vehicle Emission Study - Report  (21A-2001), November 1991, using
local data to develop the inventory.  The reviewer should refer
to the section  on non-road sources contained in the 1992 revision
to the Volume IV;   Mobile Sources  document referenced above for
further description regarding the options available for this
category.

     The  final,  and least desirable, option was to use the July
1989 version  of Procedures for Emission Inventory  Preparation.
Volume IV;  Mobile Sources (EPA-450/4-81-026d)  to  estimate
non-road  mobile source emissions.   This document,  referred to as
Volume IV (1989)  in the checklist,  contains guidance material
used for  the  preparation of the  Post-1987 SIP inventories and
thus does not represent the latest recommended  methodologies for
the preparation of emission estimates for most  non-road mobile
source categories.  It does,  however, contain the  latest
available guidance for estimating emissions from the commercial
marine vessels  category.  Therefore, it is necessary for the
reviewer  to refer to the checklist questions associated with this
approach  when reviewing the category of commercial marine vessels
in the inventory.
tls.OAla
                                 6-3
-------
Table D-l.  Non-Road Emission Estimates
     Questions in this table should be answered by examining the
     inventory report section for non-road vehicle and equipment
     categories.  The questions are divided into the following
     sections:  locomotives, aircraft, and other non-road engine
     and vehicle categories.  Questions for other non-road engine
     and vehicle categories are further subdivided depending on
     the approach used in the inventory to estimate emissions for
     these categories.
Question
1.1  LOCOMOTIVES
Instructions
1.1.1     The recommended methodology for estimating locomotive
          emissions is found in the 1992 version of Volume IV of
          the EPA series:  Procedures for Emission Inventory
          Preparation.  If an alternate method was used, describe
          the method in the comments column.

1.1.2     Volume IV also provides tailored methods for estimating
          emissions:  locomotive roster, duty cycle, and SO2-
          Check the appropriate box if a tailoring method was
          used.  The S02 method should not apply to base year
          ozone or CO inventories.

1.1.3     Within line haul operations, there are three classes of
          railroads:  Class I, II, and III.  Emission estimates
          from each class should be included.  Classes II and III
          will typically be combined

1.1.4     There are two types of railroad operation:  line haul
          and yard.  Emission estimates for each type of railroad
          operation should be included.

1.1.1
1.1.2
1.1.3
1.1.4

Was the EPA's recommended methodology used to inventory
locomotive emissions?
If the EPA's recommended methodology was used, were either of
the following EPA tailoring methods used?
a. locomotive roster
b.duty cycle
Are emissions from all of the following classes of railroad
included?
a. Class I
b. Class II
c. Class III
Are emissions reported for the two types of railroad operation?
a. Line Haul
b.Yard
YES

4






NO








COMMENTS








fcLs.O*la
                               6-4
-------
1.1.5     For Class I railroads, fuel consumption must be
          allocated to the inventory area.  Record if the
          information was provided directly by railroad company
          staff or if it was calculated by dividing traffic
          density for each track segment in the inventory area by
          the system wide fuel consumption index.

1.1.6     Traffic densities for each track segment in the
          inventory area should be summed to obtain the total
          traffic density.  If some other method was used to
          determine total traffic density, describe the method in
          the comments columns

1.1.7     Record the source of the traffic density information.
          If this information was obtained from a source other
          than individual railroads or the Association of
          American Railroads, list the source.

1.1.8     If locomotive weight was excluded from the gross ton
          mile total, locomotive weight should also have been
          excluded when the fuel consumption index was
          determined.  Locomotive weight is given in Schedule 755
          (line 98)  of the Interstate Commerce Commission's (ICC)
          "R-l" report.

1.1.5
1.1.6
1.1.7
1.1.8

For Class I railroads, was the total amount of fuel consumed
"system wide" allocated to the inventory area by:
a. railroad company staff?
b. dividing the traffic density (GTM) for each track segment
within the inventory area by the system wide fuel consumption
index (GTM/gal) for that railroad?
For Class I railroads, was traffic density determined by summing
the traffic densities for each track segment or portion thereof
within the inventory area?
For Class I railroads, was traffic density information obtained
from:
a. Individual railroads?
b. Association of American Railroads?
c. Other?
For Class I railroads, if gross ton mile information is provided
without the weight of the locomotives included, is the fuel
consumption index also determined without the weight of the
locomotives?
YES







NO







COMMENTS







tls.OAla
                               6-5
-------
1.1.9     If locomotive weight is included in the gross ton mile
          total, locomotive weight should also have been included
          when the fuel consumption index was determined.
          Locomotive weight is given in Schedule 755 (line 98) of
          the Interstate Commerce Commission's (ICC) "R-l"
          report.

1.1.10    For each Class I railroad, system gross ton miles
          should be divided by system fuel consumption to derive
          the fuel consumption index.  If any other method was
          used to derive the fuel consumption index, describe the
          method in the comments column.

1.1.11    Annual fuel consumption and total gross ton miles
          should be based on 1990 data.  If fuel consumption or
          total gross ton miles were not based on 1990 data, the
          data should be adjusted to 1990.  If neither 1990 fuel
          consumption nor 1990 gross ton mile data were used,
          describe how the data were adjusted (or scaled) to
          1990.

1.1.12    The data needed to calculate the fuel consumption index
          (annual fuel consumption and total gross ton miles) are
          available from the ICG's "R-l" report.   In the comments
          column,  list any alternate methods used.

1.1.13    Volume IV presents recommended emission factors in
          Table 6-1.  If these emission factors were not used,
          record the alternate emission factors and their source.

1.1.9
1.1.10
1.1.11
1.1.12
1.1.13

For Class I railroads, if gross ton mile information is provided
with the weight of the locomotives included, is the fuel
consumption index also determined with the weight of the
locomotives?
Was the fuel consumption index for each Class I railroad within
the inventory area calculated by dividing system gross ton miles
by system fuel consumption?
For Class I railroads, were both annual fuel consumption and
total gross ton miles based on data for 1990?
a. Annual fuel consumption
b. Total gross ton miles
For Class I railroads, was the ICC annual report "R-1" used to
obtain information on annual fuel consumption and total gross
ton miles?
For Class I railroads, were the recommended default emission
factors, as shown in Table 6-1 of Volume IV, used?
YES






NO






COMMENTS






tla.0*la
                               6-6
-------
1.1.14    If fuel consumption data for Class II and III railroads
          were obtained from a source other than the railroad
          companies themselves, record the source in the comments
          column.

1.1.15    If fuel consumption data for Class II and III railroads
          were not based on 1990 data, describe briefly how data
          from another year were adjusted to 1990.

1.1.16    If Class II and III railroads have operations outside
          the inventory area, the fuel consumption data must be
          adjusted.  If the fuel consumption was not allocated to
          the inventory area by track length or density, describe
          the method used for allocation.

1.1.17    Volume IV presents recommended emission factors in
          Table 6-1.  If these emission factors were not used,
          record the alternate emission factors and their source.

1.1.18    If the number of yard locomotives was not based on 1990
          data, describe how data from another year were adjusted
          to 1990.

1.1.14
1.1.15
1.1.16
1.1.17
1.1.18

For Class II and III railroads, was annual fuel consumption for
the inventory area obtained from each Class II and III railroad
operating within the area?
Was annual fuel consumption for Class II and III railroads based
on data for 1990?
For Class II and III railroads also operating outside of the
inventory area, was fuel consumption allocated to the inventory
area:
a. by track length?
b.by track density (GTM)7
e. other method?
Are the reconnended default emission factors, as shown in
Table 6-1 of Volume IV, used?
Was the number of yard locomotives determined based on data for
1990?
YES
«






NO







COMMENTS







tls.OAla
                               6-7
-------
1.1.19    The recommended approach for estimating yard emissions
          is to multiply the number of yard locomotives in the
          inventory area by annual emissions per yard locomotive.
          The annual emissions per yard locomotive are included
          in Volume IV.  Describe any alternative estimation
          procedures used.

1.1.20    The number of yard locomotives operating within the
          inventory area can be determined by contacting railway
          yard managers or actually counting the operating yard
          locomotives.  Describe any alternative methods employed
          to determine the number of yard locomotives.

1.1.21    Volume IV presents recommended emission factors in
          Table 6-2.  If these emission factors were not used,
          record the alternate emission factors and their source.

1.1.22    Volume IV provides guidance for tailoring inventories
          based on locomotive rosters or duty cycles.  If either
          method was used, list the classes of railroad and types
          of railroad operation for which the method was applied.
          Answer question 1.1.23 through 1.1.29 if the locomotive
          roster method was used and 1.1.30 through 1.1.34 if the
          duty cycle method was used.

1.1.23    For the locomotive roster tailoring method, the make,
          model, and number of locomotives in the area must be
          determined.  In the comments column, record the sources
          of this specific information.

1.1.19
1.1.20
1.1.21
1.1.22
1.1.23

Were emissions for yard locomotives determined by multiplying the
number of yard locomotives by annual emissions per yard
locomotive?
Was the number of yard locomotives operating within the inventory
area determined by:
a. Railway yard managers?
b. Actually counting units operating in each railway yard during a
day?
c. Other method?
Were emission factors per yard locomotive obtained from Table 6-2
of Volume IV?
Was a tailoring method used to determine emissions in the
inventory area?
a. Locomotive Roster Tailoring Method. (See
questions 1.1.23-1.1.29.)
b.Duty Cycle Tailoring Method., (See questions 1.1.30-1.1.33.)
For the locomotive roster tailoring method, were all locomotives
in the inventory area identified by make and model number?
YES








MO








COMMENTS








tls.OAla
                               6-8
-------
1.1.24    If the data obtained for the locomotive roster
          tailoring method were from a year other than 1990,
          briefly describe how the data were adjusted to reflect
          1990 conditions.

1.1.25    Volume IV provides lists that show what engine types
          are used on specific models.  This list should be used
          to convert the model type to engine type.  After this
          step, the Inventory should show how many of each engine
          type are used in the area.

1.1.26    The percentage contribution of each engine type to the
          total should be determined.  Check the "Yes" box if
          these percentages are shown.

1.1.27    Emission factors for each engine type are presented in
          Appendix 6-6 of Volume IV.  If alternate emission
          factors were used, cite the source in the comments
          column.

1.1.28    The percentage of each engine type (see 1.1.26) should
          be multiplied by the emission factor for that engine
          type.  If any other method was used,  describe the
          method in the comments column.

1.1.29    An average emission factor for the 'fleet should be
          developed by summing the weighted emission factor for
          all engine types in the area.  The average emission
          factor should be multiplied by the area fuel
          consumption.

1.1.24
1.1.25
1.1.26
1.1.27
1.1.28
1.1.29

If the locomotive roster tailoring method was used, were 1990
data used?
were locomotive models converted to specific engine types?
Was the inventory area roster calculated by sunning the total of
the conversions and then calculating each engine type's
percentage of the total?
Were emission factors obtained for each engine type from
Appendix 6-6 of Volume IV?
was the percentage of each engine type multiplied by the
appropriate emission factor for each engine type?
Was the fleet average emission factor for the new roster
calculated by multiplying the engine roster percentage by the
engine emission factor and then summing the weighted emission
factors for all engines?
YES






NO






COMMENTS






tls.OAla
                               6-9
-------
1.1.30    Table 6-4 in Volume IV presents duty cycles that are
          reasonably representative of railroad operations across
          the nation.  If these duty cycles were altered for the
          inventory, indicate the percent of time in each notch.

1.1.31    If the duty cycles were altered, list any organizations
          that were contacted for this information.  Also record
          any references or data that supported the altered duty
          cycles.

1.1.32    If duty cycles were tailored, the fuel consumption rate
          should also be modified.  Check if this correction
          factor was obtained from, locomotive manufacturers or
          from the EPA.  In the comments column, record the
          correction factor.  If locomotive manufacturers were
          contacted, briefly describe where the correction factor
          came from.

1.1.33    If emission factors were changed for new duty cycles,
          record the new emission factors and the source of the
          factors.

1.1.34    Any method for estimating locomotive emissions other
          than the method described in Volume IV, should be
          approved by the EPA.  If an alternate method was used,
          indicate if the EPA was consulted. '

1.1.30
1.1.31
1.1.32
1.1.33
1.1.34

For the duty cycle tailoring method, were the duty cycles
presented in Table 6-4 of Volume IV modified for the inventory
area? If so, list the new duty cycles:
For the duty cycle tailoring method, were state or local
railroad officials consulted about any modifications to duty
cycles?
For duty cycle tailoring, how was the fuel consumption rate
modified to be consistent with the new duty cycles?
a. Applied a general correction factor to the fuel consumption
estimates, which were obtained from the locomotive
manufacturers.
b. Contacted the EPA for a "tailored correction factor" for the
inventory area.
For duty cycle tailoring, were emission factors changed for the
new duty cycles?
If a method other than the EPA's recommended method (Volume IV)
or one of the specified tailoring methods was used to prepare
the inventory, was the EPA consulted?
YES






NO






COMMENTS






tla.OAla
                               6-10
-------
1.2  AIRCRAFT
     This section contains instructions for completing the
     detailed aircraft checklist.  The checklist is based on
     required procedures as described in the Draft Revision of
     Procedures for Emission Inventory Preparation. Volume IV;
     Mobile Sources. (EPA-450/4-81-026d, October 1991).  In this
     checklist and its instructions, this document is referred to
     as either Volume IV or simply the guidance document.

1.2.1     This checklist should only be completed if emissions
          from aircraft are estimated in the inventory.

1.2.2     Emissions from each of the four types of aircraft
          should be addressed in the inventory.  Justification
          should be provided for not estimating emissions from
          any of the aircraft types.

1.2.3     If civil airports were identified by a method not
          listed, in the comments column, describe the method or
          record the references used.

1.2.4     In some areas,  the inventory preparers may already know
          about all of the military air bases and would not need
          to use a map for their identification.

1.2.5     If an alternative method or source was used to
          determine aircraft mix, record the method or source in
          the comments column.

1.2
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5

AIRCRAFT
Are emissions from aircraft included in the inventory?
Are emissions from the following types of aircraft included in
the inventory?
-Commercial aircraft
-General aviation aircraft
-Air taxi
-Military aircraft
How were civil airports in the inventory area identified?
-Sectional aeronautical charts
-Aircraft Owners and Pilots Association's Aviation USA
-FAA Air Traffic Activity
-Other
How were military air bases in the inventory area identified?
•Maps of the area
-Other method
Was the FAA's Airport Activity Statistics of Certified Route Air
Carriers used to determine the mix of commercial aircraft using
each airoort?
YES














NO














COMMENTS














tls.OAla
                              6-11
-------
1.2.6     When detailed information on specific aircraft mix is
          unavailable, a single emission index made up of a
          representative fleet mix can be used.  Equations for a
          representative fleet mix are given in Volume IV.
          Describe any other sources of aircraft mix.

1.2.7     When detailed information on specific aircraft mix is
          unavailable, a single emission index made up of a
          representative fleet mix can be used.  Equations for a
          representative fleet mix are given in Volume IV.
          Describe any other sources of aircraft mix.

1.2.8     Fleet maJce-up must be determined for each base.
          Volume IV recommends contacting the Base Commander
          Office or a centralized support office.  Any other
          methods or sources used to determine fleet make-up
          should be recorded.

1.2.9     Some civilian airports have military aircraft activity.
          The inventory should address this.  If none takes
          place, the inventory should state that there are no
          military operations at the civilian airport.
          Otherwise, their emissions should be estimated.

1.2.10    Aircraft mix by airport should be based on 1990 data.
          If the data is from another year, describe how the
          aircraft mix was adjusted to reflect 1990 data.

1.2.6
1.2.7
1.2.8
1.2.9
1.2.10

How was the mix of general aviation aircraft using each airport
determined?
-The representative national default fleet mix used in the
single emission index from the guidance document
-State Airport Authority
-Operations officials at individual airports
-Other
How was the mix of air taxi aircraft using each airport
determined?
-The representative national, default fleet mix used in the
single emission index from the guidance document
-State Airport Authority
-Operations officials at individual airports
-Other
How was fleet make-up for military air bases determined?
-Office of the Base Commander
-Centralized support office
-Other method
Was fleet make-up for military aircraft at civilian airports
determined?
Was the aircraft mix/fleet make-up for all types of aircraft at
each airport based on data for 1990?
YES













NO













COMMENTS













tls.0*la
                               6-12
-------
1.2.11    If an alternate method or source was used to determine
          the number of LTO's by aircraft type, record the method
          or source in the comments column.

1.2.12    The total number of LTO's should be derived from actual
          data.  Non-scheduled, as well as scheduled, service
          should be included when determining the number of
          LTO's.

1.2.13    If an alternate method or source was used to determine
          the number of LTO's by aircraft type, record the method
          or source in the comments column.

1.2.14    If an alternate method or source was used to determine
          the number of LTO's by aircraft type, record the method
          or source in the comments column.

1.2.15    The number of LTO's must be determined for each base.
          Volume IV recommends contacting the Base Commander
          Office or a centralized support office.  Any other
          methods or sources used to determine the number of
          LTO's should be recorded.

1.2.16    List any source, other than FAA Air Traffic Activity.
          that was used to determine LTO's for military
          operations at civil airports.

1.2.17    FAA Air Traffic Activity presents airport operations in
          terms of landings and take-offs.  These numbers need to
          be divided by two to obtain LTO's.

1.2.11
1.2.12
1.2.13
1.2.H
1.2.15
1.2.16
1.2.17

Was the number of LTO's by commercial aircraft type for each
airport obtained from FAA's Airport Activity Statistics of
Certified Route Air Carriers?
Does the total nunber of LTO's for each commercial aircraft type
include both scheduled and non-scheduled service?
Was the nunber of operations for general aviation aircraft
obtained from FAA Air Traffic Activity?
Was the number of operations for air taxi aircraft obtained from
FAA Air Traffic Activity?
How was information on LTO's obtained for military air bases?
-Office of the Base Commander
-Centralized support office
-Other method
Was the number of military operations at civil airports obtained
from FAA Air Traffic Activity?
If FAA Air Traffic Activity was used, was the number of
operations divided by two to get LTO's?
YES










NO










COMMENTS










tIs.04 la
                              6-13
-------
1.2.18    All data should be for 1990.  If pre-1990 data was
          used, describe how the data was projected to 1990.

1.2.19    Check if the FAEED or Table 5-2 from Volume IV was
          used.  Document any other methods used.  Also, record
          if the percentage of engines on each aircraft type was
          determined or if the weighted averages were used.

1.2.20    Check if the FAEED or Table 5-5 from Volume IV was
          used.  Document any other methods used.  Also, record
          if the percentage of engines on each aircraft type was
          determined or if the weighted averages were used.

1.2.21    Check if the FAEED or Table 5-6 from Volume IV was
          used.  Document any other methods used.  Also, record
          if the percentage of engines on each aircraft type was
          determined or if the weighted averages were used.

1.2.18
1.2.19
1.2.20
1.2.21

Was aircraft activity for all types of aircraft based on data
for 1990?
How were commercial aircraft matched with the engines used to
power them?
-FAEED
-Table 5-2 from the guidance document
-Other
If individual aircraft/engine combinations for general aviation
and air taxi aircraft were used (instead of the single emission
index), how were aircraft matched with the engines used to power
them?
-FAEED
-Table 5-5 from the guidance document
-Other method
How were military aircraft matched with the engines used to
power them?
-FAEED
-Table 5-6 from the guidance document
-Other method
YES













NO













COMMENTS













tla.OAla
                               6-14
-------
1.2.22    For each aircraft category, check how the emission
          factors were used.  If any non-default data were used,
          record references and approaches used.

1.2.23    If an emission factor or index other than the one
          provided in the guidance document was used, record the
          factor and the reference.

1.2.24    If. an emission factor or index other than the one
          provided in the guidance document was used, record the
          factor and the reference.

1.2.22
1.2.23
1.2.24

For each aircraft type, how were emission factors used in the
inventory calculation determined?
-Used the EPA-provided LTO composite emission factor based on
default time- in-mode values from the FAEED or other EPA guidance
Check all aircraft categories for which this method was used:
-Commercial
-General Aviation
-Air Taxi
-Military
-Calculated an emission factor for each operational mode using
modal emission data and default time- in- mode values.
Check all aircraft categories for which this method was used:
-Commercial
-General Aviation
-Air Taxi
-Military
-Calculated an emission factor for each operational mode using
modal emission data and airport specific time-in-mode values.
Check all aircraft categories for which this method was used:
-Commercial
-General Aviation
-Air Taxi
-Military
Was the single emission index from the guidance document used to
calculate emissions from general aviation aircraft?
Was the single emission index from the guidance document used to
calculate emissions from air taxi aircraft?
YES

















NO

















COMMENTS

















61s.04la
                              6-15
-------
1.2.25    The emission factor information in Volume IV is not
          complete.  For missing or incomplete factors, indicate
          how the emission factor for that aircraft type was
          determined.

1.2.26    The default mixing height is 3,000 ft.  If an alternate
          mixing height was used, list the height and check how
          it was determined.

1.2.27    If the mixing height was changed from the default of
          3,000 ft., equations given in Volume IV should be used
          for adjusting approach and climbout times.  Record any
          deviations from these equations.

1.2.28    If takeoff time was adjusted, describe how it was done.

1.2.29    If taxi/idle time was altered, record how it was
          determined.   Cite all references.

1.2.25
1.2.26
1.2.27
1.2.28
1.2.29

for aircraft with engines that are missing or have incomplete
emission factor information associated with them, how were
emission factors determined? Indicate which method was used for
each aircraft type. (Use CM for commercial aircraft, GA for
general aviation, AT for air taxi, and Ml for military.)
-Used the emission factor from the table of alternative engines
in the guidance document. (Commercial aircraft only)
-Reallocated the market share of engines among the engines for
which data are available.
-Contacted the engine manufacturer directly.
-Other
If time in the approach or climbout modes was modified, how was
mixing height determined?
-National Meteorological Center
-national Climatic Data Center
-EPA OAQPS SCRAM Bulletin Board
-Figures 5-1, 5-2, and 5-3 from the guidance document
-Other
Was the appropriate equation from the guidance document used to
adjust the approach and climbout times for local mixing height?
Uas takeoff time adjusted?
If taxi/idle time was adjusted, how was it determined?
-Airline Flight Operations departments
-Other
YES














NO














COMMENTS














tls.OAla
                               6-16
-------
1.2.30    If the FAEED was not used, the equations in Volume IV
          should be used to calculate emissions from each
          aircraft category.  Describe any alternate methods used
          to calculate emissions.

1.2.31    If daily or seasonal adjustments were made, record the
          reference for these adjustments.

1.2.32    If, daily or seasonal adjustments were made, record the
          reference for these adjustments.  If adjustments are
          made, the guidance document recommends using variations
          in LTO's and weighted mixing heights.  Document any
          alternate methods used.

1.2.33    If daily or seasonal adjustments were made, record the
          reference for these adjustments.

1.2.30
1.2.31
1.2.32
1.2.33

If taxi/idle time was adjusted, hou was it determined?
-Airline Flight Operations departments
-Other
If FAEED was not. used in the actual emissions calculation,
-Was equation 5-3 from the guidance document used to calculate
emissions for each type of commercial aircraft?
-Was equation 5-4 from the guidance document used to calculate
total emissions for all commercial aircraft?
-Were emissions for each general aviation and air taxi aircraft
calculated using Equation 5-7 from the guidance document?
-Were total emissions for general aviation and air taxi aircraft
calculated separately using Equation 5-7 from the guidance
document?
-Were emissions for each military aircraft type calculated using
Equation 5-11 from the guidance document?
-Were total emissions for all military aircraft calculated using
Equation 5-12 from the guidance document?
If the number of LTO's adjusted for daily or seasonal
variations, from what source was the information used to make
adjustments obtained?
-Airport operators
-Published flight schedules
-Other
Were times in the approach and climbout modes adjusted for daily
or seasonal variation?
-If so, were variations in LTO's used as weighting factors and
were the adjustments based on a weighted average of the mixing
heights for the time periods of interest?
YES













NO













COMMENTS













tls.OAU
                              6-17
-------
1.2.34    If APMS are used at an airport, their emissions  should
          be estimated.  APMS should be addressed  in the
          inventory'documentation.

1.2.35    Mark and briefly describe any other adjustments  made
          for aircraft emissions.

1.2.34
1.2.35

Were times in the approach and climbout modes adjusted for daily
or seasonal variation?
-If so, were variations in LTO's used as weighting factors and
were the adjustments based on a weighted average of the mixing
heights for the time periods of interest?
Was taxi/idle time adjusted for daily or seasonal variation?
YES


MO


COMMENTS


tls.OAla
                               6-18
-------
1.3   OTHER NON-ROAD ENGINE AND VEHICLE CATEGORIES

1.3.1      Emission estimates for  non-road  engine and  vehicle
            categories  (excluding aircraft,  locomotives, and
            commercial marine  vessels) were  prepared by the EPA  for
            specific nonattainment  areas as  part  of the Non-Road
            Engine  and Vehicle Emission  Study - Report  (EPA-21A-
            2001, November 1991).   These estimates were revised  by
            the EPA in June-1992, and made available to state
            agencies for  use in the 1990 base year SIP  inventory.
            A  listing of  the areas  for which the  EPA prepared
            revised emission estimates for non-road categories is
            provided below.  The reviewer should  check  the  list
            below to determine if the nonattainment area in
            question was  included in this study.
            Anchorage/A*
            Baltimore/Mo
            Beaumont-Port Arthur/TX
            Cleveland-Akron-Lorain/OH
            Chicago-Gary-Lake Co/IL-IM-WI
            Oenver-Boulder/CO
            Hartford-New Britain-Middletown-Bristol/CT
            Houston-Galveston-Brazoria/TX
            Las Vegas/NV
            MiIwaukee-Racine/VI
            Muskegon/MI
            New York-Northern New Jersey-Long Island/NY
            Philadelphia-UiImington-Trenton/PA-NJ-OE-MO
            Providence/RI
            San Oiego/CA
            Seattte-Tacoma/QA
            South Coast Air Basin/CA
            Springfield/HA
            Uashington/DC-HO-VA
     Attanta/GA
     Baton Rouge/LA
     Boston-Lawrence
       -Uorcester/MA
     El Paso/TX
     Miami-Ft. Lauderdale/FL
     Minneapolis-St. Paul/MN
     Phoenix/AZ
     Portsmooth-Oover-Rochester/NH
     Provo-Orem/UT
     San Joaquin Valley/CA
•NJ-CT Sheboygan/UI
     Spokane/UA
     St. Louis/MO
     Tucson/AZ

1.3.1

Did the EPA non-road study and Volume IV guidance include the
nonattainment area in question?
YES

NO

COMMENTS

tIs.04 la
                                    6-19
-------
1.3.2     States have the option of using the emission estimates
          prepared by the EPA in the non-road study report
          unmodified for the particular nonattainment areas
          listed.  The inventory report should clearly identify
          the areas, if any, where the EPA-prepared estimates
          were used unmodified.

1.3.3     The non-road study report prepared by the EPA contains
          two sets of inventories for non-road engine and vehicle
          categories; the study refers to these as Inventory A
          and Inventory B.  The EPA recommended procedure is to
          average the results of the two inventories for each
          category and report that average in the base year
          inventory; however, States have the option of using one
          inventory ovez- another for a category, if justification
          is given for using that particular inventory (e.g.,
          data better represent local usage patterns).  For each
          choice provided under question 1.1.3, the reviewer
          should note in the comments column for what non-road
          equipment/vehicle category that particular option was
          used.  In addition, where the average of Inventories A
          and B was not used, the reviewer needs to provide a
          brief explanation of why a particular inventory was
          used and the page number of the inventory that refers
          to this explanation.

1.3.2

If so, was the EPA-suppl fed inventory for the area submitted
without any modifications?
YES

NO

COMMENTS

If the answer to question 1.3.2 was "Yes," continue with question 1.3.3 and then stop.
1.3,3
How was the inventory submitted?
-Averaged inventories A and B.
-Used Inventory A for some equipment types.
-Used Inventory 3 for some equipment types.









tls.OAla
                               6-20
-------
1.3.4     If the EPA-supplied inventory from the non-road study
          report was not used, or not used in its entirety, the
          reviewer needs to check which option was used to
          prepare the non-road mobile sources inventory for the
          applicable nonattainment area.  States were given the
          options listed under question 1.3.4 when EPA-supplied
          inventories were not used directly.  The reviewer
          should proceed to the section of the review checklist
          that is pertinent to the option chosen, as indicated in
          the parentheses following the listed option.  If the
          option was not chosen, that section of the checklist
          does not need to be completed.

MODIFICATIONS TO AN EPA-SUPPLIED INVENTORY

1.3.5     The reviewer should check which components of the EPA-
          supplied inventory were modified for -the purposes of
          the SIP inventory being reviewed.  For each
          modification that was used, the reviewer should provide
          the information indicated under the comments column.
          In addition, the reviewer should indicate the reference
          source(s)  for the components modified and the page
          number of the inventory report that refers to the
          modification.

1.3.4
1.3.5

If an EPA-supplied inventory was not used in its entirety, how was
the inventory for the area compiled?
-Modified the EPA-supplied inventory (complete question 1.3.5 to
1.3.7)
-Adjustments to an inventory for another area, (complete
questions 1.3.3 to 1.3.10)
-Created a new inventory using the EPA non-road study methodology.
(complete questions 1.3.11 to 1.3.18)
-Followed the 1989 version of Volume IV. This method is
considered to be inferior to the other methods, and its use is
discouraged. For Moderate areas, applying a population adjustment
to an inventory for another area is the preferred method.
(complete question 1.3.19 to 1.3.99)
Which components of the EPA-supplied inventory were modified?
-Population estimates
List equipment types for which the population estimates were
modified and the new population estimates.
-Per-source usage rates
List equipment types for which usage rates were modified and the
new usage rates:
-Emission factors
List equipment types for which the emission factor was modified
and the new emission factors by pollutant:
-Seasonal adjustment factors
List the equipment types for which the seasonal adjustment factor
was modified and the new adjustment factor:
YES








NO








COMMENTS .








tls.OAla
                              6-21
-------
1.3.6     If population estimates were modified, the reviewer
          should determine if the estimates for each equipment
          category were based on 1990 data.  If they were not,
          equipment populations should have been adjusted for
          growth to 1990.  If adjustments to 1990 were made, the
          reviewer should briefly indicate in the comments column
          how these adjustments were made and the inventory
          report page number that refers .to these adjustments.

1.3.7     If emission factors were modified, the reviewer should
          determine if the new emission factors are based on in-
          use emissions.  In addition, the reviewer should
          indicate in the comments column the reference source(s)
          used for the new emission factors and the inventory
          report page number that refers to them.

ADJUSTMENTS TO AN INVENTORY FOR ANOTHER AREA

1.3.8     States have the option of adjusting the EPA-supplied
          non-road emission estimates for one of the studied
          areas in order to obtain emission estimates for another
          nonattainment area not covered by the study.  The
          reviewer should check that the inventory report clearly
          states which area-specific EPA-supplied inventory was
          adjusted.

1.3.9     The reviewer should determine which EPA-supplied
          inventory was adjusted:  the average of Inventories A
          and B, Inventory A, or Inventory B.  It is possible
         _that the preparing agency used more than one approach
          depending on the non-road vehicle or equipment
          category.  If this was done, the reviewer should
          indicate in the comments column for each approach
          selected the vehicle/equipment categories for which
          that approach was used.  The reviewer should also
          provide the page number of the inventory report that
          refers to the explanation for choosing the applicable
          approach.

1.3.6
1.3.7
1.3.3
1.3.9

If population estimates were modified, were estimates for each
equipment category based on 1990 data?
If not, were equipment populations adjusted fop growth to 1990?
If emission factors are modified, are the new emission factors
based on in- use emissions?
Does the inventory report clearly state which area-specific EPA-
supplied inventory was adjusted?
Which inventory for the area was adjusted?
-The average of inventories A and B.
-Inventory A for some equipment types.
-Inventory B for some equipment types.
YES







NO







COMMENTS







tls.OAla
                               6-22
-------
1.3.10    The preparing agency should have used a population
          adjustment factor to modify the non-road emission
          estimates in the EPA-supplied inventory.  The reviewer
          should determine if this factor has been listed in the
          inventory report.  In addition, under the comments
          column, the reviewer should indicate the population of
          the inventory area, the population for the EPA-studied
          area, the source of the population data, and the page
          number of the inventory report that refers to this
          information.

NEW INVENTORY USING THE EPA NON-ROAD STUDY METHODOLOGY

1..3.11    Where the preparing agency has used the EPA Non-Road
          Study Methodology to prepare an entirely new non-road
          vehicle and equipment inventory, the reviewer should
          check that all the listed categories have been included
          in the inventory.  For each category included in the
          inventory, the reviewer should also indicate, in the
          comments column, the page number of the inventory
          report where that category's emission estimate is
          discussed.

1.3.12    For all categories listed in question 1.3.11 that were
          not included in the inventory, the reviewer should
          indicate if justification was provided for their
          absence.  Under the comments column, the reviewer
          should also indicate the page number of the inventory
          report that provides this justification.

1.3.10
1.3.11
1.3.12

Is the population adjustment factor applied to that area's
inventory listed in the inventory report?
Are emissions from all of the following non-road equipment
categories included in the inventory?
-Lawn and Garden Equipment
-Industrial Equipment
-Airport Service Equipment
-Construction Equipment
-Recreational Equipment
-Agricultural Equipment
-Recreational Marine Equipment
-Logging Equipment
-Light Commercial Equipment
-Commercial Marine Vessels
Is justification given for not including all categories listed in
Question 1.3.11?
YES












NO












COMMENTS












tls.041a
                               6-23
-------
1.3.13    The reviewer should check that reference sources for
          population of equipment categories,  per-source usage
          rates and emission factors are provided for each
          equipment category in the inventory report.  In
          addition, the reviewer should list the reference source
          used for each equipment category, and the page number
          of the inventory report that refers to the information.

1.3.14    The reviewer should check if equipment populations were
          based on data for 1990.  If they were not, the reviewer
          should determine if they were adjusted for growth to
          1990.  If equipment populations were adjusted to 1990,
          the reviewer should briefly describe, under the
          comments column, how the adjustment was made and the
          page number of the inventory report that refers to this
          adjustment.

1.3.13
1.3.14

Are reference source(s) for the following information listed in
the inventory report?
-Population for equipment categories:
Lawn and Garden Equipment
Industrial Equipment
Airport Service Equipment
Construction Equipment
Recreational Equipment
Agricultural Equipment
Recreational Marine Equipment
Logging Equipment ~
Light Commercial Equipment
Commercial Marine Vessels
For each equipment category, were population estimates based on
data for 1990?
If not, were equipment populations adjusted for growth to 1990?
YES












MO












COMMENTS












tla.04la
                               6-24
-------
1.3.15    The reviewer should check if equipment category
          emission factors are based on in-use emissions.

1.3.16    The reviewer should check if the inventories are
          seasonally adjusted for the applicable ozone or CO
          season.

1.3.17    The reviewer should check if the seasonal adjustment
          factors are listed in the inventory report.

1.3.18    The reviewer should indicate if the inventory report
          describes how seasonal adjustment factors were
          determined and justified.  The reviewer should briefly
          describe, under the comments column, the use of
          seasonal adjustment factors and the page number of the
          inventory report that refers to these factors.

NEW INVENTORY FROM 1989 VERSION OF VOLUME IV (This method is
discouraged)

1.3.19    Preparing agencies using the 1989 version of Volume IV:
          Mobile Sources, need to develop activity level based
          typically on population and fuel use data for the
          different non-road vehicle and engine categories.  The
          reviewer should check that population and fuel use were
          based on 1990 data.  If they were not, the reviewer
          should determine if population and fuel use data were
          adjusted to 1990,  and indicate in the comments column
          how this adjustment was made for each equipment/vehicle
          category.  In addition, the reviewer should indicate
          the page numbers in the inventory report that refer to
          this information.

1.3.15
1.3.16
1.3.17
1.3.18
1.3.19

Were the equipment category emission factors based on in-use
emissions?
Are seasonally adjusted (typical simmer day VOC, CO, and NOx for
ozone non-attainment areas and typical winter day CO for carbon
monoxide non- attainment areas) inventories provided?
Are seasonal adjustment factors listed in the inventory report?
Does the inventory report describe how seasonal adjustment factors
were determined and justified?
Were population and fuel use based on data for 1990?
If not, were population and/or fuel use adjusted for growth to
1990?
YES






NO






COMMENTS






tls.QAla
                              6-25
-------
1.3.20    Emission estimates need to reflect activity on an
          average day during the ozone or CO season for which the
          inventory is being prepared.  For each category of non-
          road equipment and vehicles the reviewer should
          determine if seasonal adjustments have been addressed
          in the inventory.  The reviewer should indicate in the
          comments column the category(ies) for which seasonal
          adjustments were not addressed.

1.3.21    Where seasonal adjustment factors were used, the
          reviewer should check if documentation of the
          development and use of these factors is provided in the
          inventory report.

1.3.22    The reviewer should check if emissions from
          agricultural equipment are accounted for in the
          inventory.

1.3.23    The reviewer should check if total fuel consumption
          data (gallons) by farm and agricultural equipment, for
          both diesel and gasoline, were provided in the
          inventory report.  In addition, the reviewer should
          indicate the reference source for these data, and the
          page number of the inventory report that refers to
          these data in the comments column.

1.3.24    The reviewer should determine if the fuel use for unit
          equipment was taken from Table 3-2 (Volume IV [1989],
          p. 3-3).  Table 3-2 from the guidance document provides
          average annual fuel throughput for agricultural
          equipment in units of gallons per year for gasoline and
          diesel fuel.  If Table 3-2 was not used, the reviewer
          should check if an alternative source for this
          information is documented in the inventory report, and
          indicate in the. comments column, the reference source
          and the page number in the inventory report that refers
          to this information.

1.3.20
1.3.21
1.3.22
1.3.23
1.3.24

Have seasonal adjustments for each category of non-road equipment
and vehicle been addressed in the inventory?
Where applicable, have the seasonal adjustment factors used to
adjust annual emissions been documented?
Are emissions from agricultural equipment accounted for in the
inventory?
Are total fuel consumption data (gallons) by farm and agricultural
equipment, for both gasoline and diesel fuel, provided?
Is fuel use per unit equipment taken from Table 3-2 (Volume IV
(1989), p. 3-3)?
If not, is an alternate source of this information documented?
YES






NO






COMMENTS






tls.0*la
                               6-26
-------
1.3.25    The reviewer should determine if equipment counts, by
          category and county, were taken from the 1990 Census of
          Agriculture.  If the 1990 Census of Agriculture was not
          used, the reviewer should determine if an alternative
          source of this information is documented, and indicate the
          reference source and the page number of the inventory
          report that refers to these data.

1.3.26    The reviewer should determine if the total fuel consumption
          by agricultural equipment has been allocated to four
          categories, representing gas/diesel and tractor/non-
          tractor, using equations 3-1 and 3-2 from Volume IV (1989),
          pp. 3-3 and 3-4.  These equations estimate fuel use
          estimates for different equipment categories.

1.3.27    The non-tractor equipment categories (combines, balers,
          harvesters, and general purpose machines) can be handled ap
          a single composite group or as four separate groups in the
          allocation of fuel.  The reviewer should indicate in the
          comments column how the non-tractor equipment categories
          were grouped.

1.3.28    The Volume IV (1989) guidance document directs preparing
          agencies to use a set of emission factors defined in terms
          of quantity of emissions produced per gallon of fuel
          burned.  These emission factors are found in AP-42, Volume
          II, Table II-6-2.  The emission factors in AP-42 only
          differentiate between farm tractors and non-tractor farm
          equipment for gasoline and diesel engines.  The reviewer
          should determine if the AP-42 emissions were used for this
          source category.

1.3.29    Section 3.1.2 of Volume IV (1989) gives detailed procedures
          for combining fuel use data with the AP-42 emission factors
          for four groups of farm equipment:  diesel tractors,
          gasoline tractors, other diesel farm equipment and other
          gasoline farm equipment.  The reviewer should determine if
          these procedures were followed.

1.3.25
1.3.26
1.3.27
1.3.28
1.3.29

Is equipment count, by category and county, taken from the 1990
Census of Agriculture?
-If not, is an alternate source of this information documented?
Has the total fuel consumption by agricultural equipment been
allocated to four categories (gas/diesel and tractor/non- tractor)
using equations 3-1 and 3-2 (Volume IV (1989), pp. 3-3, 3-4)?
Are non-tractors (combines, balers, harvesters, and general
purpose -machines) handled as a single group or as four separate
groups in the allocation of fuel?
Uere the emission factors from Table 1 1 -6. 2 (AP-42, Volume II)
used for each group (gas/diesel and tractor/non-tractor)?
Are fuel use and emission factors combined to calculate
inventories, as described in §3.1.2 (Volume IV (1989), p. 3-5 to
3-3)7
YES






NO






COMMENTS






tls.OAla
                                6-27
-------
1.3.30    For ozone SIP inventories only:  the reviewer should check
          if evaporative and crank case VOC emissions are included in
          total VOC emissions for the farm equipment category.

1.3.31    The reviewer should check if emissions from construction
          equipment are accounted for in the inventory.

1.3.32    The reviewer should check if each of the following types of
          construction equipment are included in the inventory:

          - Tracklaying tractors
          - Tracklaying loaders
          - Motor graders
          - Scrapers
          - Off highway trucks
          - Wheel loaders
          - Wheel tractors
          - Rollers
          - Wheel dozers
          - Miscellaneous

          If an equipment category is not included, the reviewer
          should check if justification is provided for its absence.

1.3.33    The guidance in Volume IV (1989) provides an equation
          (equation 3-17 on p. 3-11) for allocating national
          equipment population data to the county level.  The
          reviewer should determine if this equation was used.

1.3.30
1.3.31
1.3.32
1.3.33

(For ozone inventories only)
Were evaporative and crankcase VOC emissions included in the VOC
inventory?
Are emissions from construction equipment accounted for in the
inventory?
Are each of the 10 types of construction equipment (Volume IV
[1989], Table 3-3) included in the inventory?
-Tracklaying tractors
-Tracklaying loaders
If not, is justification provided for not including a type of
construction equipment.
Is the number of pieces of each type of equipment in each county
of the area being modeled determined using equation 3-17
(Volume IV (1989), p. 3-11)7
YES






NO






COMMENTS






tls.OAla
                                 6-28
-------
1.3.34    The national equipment population data used in equation 3~
          17 referenced above represent pre-1990 data.  The reviewer
          should first determine if the value of "Nni" was used
          directly from Table 3-3 in the Volume IV (1989) guidance
          document.  If the value of "Nni" was adjusted to reflect
          the 1990 base year, then the reviewer should check that
          this adjustment was documented.

1.3.35    Equation 3-17 referenced above requires user.-supplied data
          on employment statistics for SIC 16 (Heavy Construction) on
          a national and state level.  The reviewer should determine
          if these data were provided and used correctly in the
          inventory.

1.3.36    The guidance in Volume IV (1989) provides an equation
          (equation 3-18 on page 3-11)  that can be used to determine
          the total annual horsepower-hours of utilization for each
          type of equipment listed in question 1.3.32.  The reviewer
          should determine if equation 3-18 was used to determine
          horsepower-hours of utilization.

1.3.37    Equation 3-18, referenced above, requires data on annual
          work output estimates by type of equipment (AWOjJ .   The
          reviewer should determine if the values for AWO^ were taker
          directly from Table 3-4, p. 3-11 of the Volume IV (1989)
          guidance document.

1.3.38    The estimated horsepower-hours of utilization need to be
          apportioned by fuel type before the AP-42 emission factors
          can be applied.  The reviewer should check if the
          apportionment by fuel type was done using percent values
          from Table 3-5, p. 3-12 of Volume IV (1989).  If the values
          in Table 3-5 were not used, the reviewer should check if an
          alternate method for separating gasoline and diesel
          equipment has been provided and documented in the
          inventory.

1.3.34
1.3.35
1.3.36
1.3.37
1.3.38

Is the value of "Nm-" used in equation 3-17 taken from Volume IV
(1989), Table 3-3?
- If the value of "Nm-" used was revised to reflect the base
year, is the adjustment documented?
Are the national and state employment statistics for SIC 16
(Heavy Construction) provided and used correctly in equation
3-17?
Are the total annual horsepower-hours (hp-hr) of use for each
type of equipment in each county determined using equation 3-18?
Are the values used for "AWO,-" in equation 3-18 taken from
Table 3-4 (Volume IV (1989), p. 3-11)->
Is the breakdown between gasoline and diesel for each type of
equipment based on Table 3-5 (Volume IV (1989), p. 3-12)?
-If not, is an alternate method of separating gasoline and
diesel equipment in each category provided and documented?
YES







NO







COMMENTS







tls.OAla
                                6-29
-------
1.3.39    The reviewer should check that equations 3-19 and 3-20 on
          page 3-12 of the Volume IV (1989)  guidance document were
          used to calculate emissions for the construction equipment
          category.

1.3.40    The reviewer should determine if emission factors from
          Table II-7.2 in AP-42, Volume II were used for each type of
          equipment.  For equipment types not specifically listed in
          Table II-7.2,  the preparing agency can use the emission
          factors for "Misc." equipment.

1.3.41    For ozone SIP inventories only:  the reviewer should check
          if evaporative and crankcase VOC emissions were included in
          calculating VOC emissions for the construction equipment
          category.

1.3.42    The reviewer should check if emissions from industrial
          equipment are accounted for in the inventory.

1.3.43    The reviewer should check if each of three major equipment
          types used in industrial equipment applications (heavy duty
          diesel, and heavy- and light-duty gas) are included in the
          inventory.

1.3.44    The guidance document Volume IV (1989) provides an equation
          (equation 3-21 on p. 3-15)  that adjusts national population
          estimates for each of the three major engine types to the
          county level based on employment in certain SIC codes.  The
          reviewer should determine if equation 3-21 was used to
          estimate county populations of industrial equipment in the
          inventory area..

1.3.39
1.3.40
1.3.41
1.3.42
1.3.43
1.3.44

Are the annual emission estimates for each type of equipment
determined using equations 3-19 and 3-20?
Are the emission factors from Table 11-7.2 (AP-42, Volume II)
used for each type of equipment?
(For ozone inventories only)
Were evaporative and crankcase VOC emissions included in the
ozone inventory?
Are emissions from industrial equipment accounted for in the
inventory?
Are each of the three major engine types used in industrial
equipment applications (heavy-duty diesel, and heavy- and
light-duty gas) included in the inventory?
Is the number of industrial equipment engines in each county of
the area being modeled determined using equation 3-21 (Volume IV
(1989), p. 3-15)7
YES






NO






COMMENTS






tls.OAla
                                 6-30
-------
1.3.45    Equation 3-21 referenced in the previous question requires
          an input value, "Nni," for the national population of each
          of the three major engine types.  The reviewer should
          determine if the value for "Nni" was taken directly from
          Table 3-7 on p. 3-15 of Volume IV (1989), or whether the
          value for "Nni" was adjusted to reflect the base year 1990
          and if this adjustment was documented in the inventory.

1.3.46    The reviewer should check if the national and state or
          county employment statistics for SIC 10-14, 20-39 and 50-51
          are provided and used correctly in equation 3-21.  Also,
          the reviewer should check the approach used to apportion
          national equipment counts to the county level.

1.3.47    The guidance document Volume IV (1989) provides an equation
          (equation 3-22, p. 3-15)  to determine total annual
          horsepower-hours of use for each industrial equipment
          engine type.  The reviewer should check if equation 3-22
          was used in the inventory.

1.3.48    The equation 3-22 requires an input value for "AWOi-"  The
          reviewer should check if the values used for "AWOf" were
          taken directly from Table 3-6, on p. 3-14 of Volume IV
          (1989) .

1.3.49    The guidance document Volume IV (19'89) provides two
          equations (equations 3-23 and 3-24,  p. 3-16) for
          determining annual emissions from diesel and gasoline
          equipment,  respectively.   The reviewer should check if
          equations 3-23 and 3-24 were used in determining emissions
          for the industrial equipment category.

1.3.45
1.3.46
1.3.47
1.3.48
1.3.49

Is the value of "Nm-H used in equation 3-21 taken from Volume IV
(1989), Table 3-7?
If the value of "N_j" used was revised to reflect the base year,
is the adjustment documented?
Are the national and state or county employment statistics for
SIC 10-14, 20-39, and 50-51 provided and used correctly in
equation 3-21?
-Which approach was used to determine county- level equipment
counts?
National equipment count * (state:national employment ratio) *
(county:state population ratio)
National equipment count * (county:national employment ratio)
Are the total annual hp-hr of use for each industrial equipment
engine type determined using equation 3-22?
Are the values used for "AUO,-" in equation 3-22 taken from
Table 3-6 (Volume IV [1989], p. 3-14)?
Are the annual emissions estimates for each engine type
(gasoline, diesel) determined using equation 3-23 and 3-24?
YES








NO








COMMENTS








tls.OAla
                                6-31
-------
1.3.50    The reviewer should check if the emission factors for
          gasoline and diesel powered industrial equipment from
          Table 3.3-1 of AP-42, Volume I were used for each engine
          type.  The AP-42 emission factors do not separate light
          duty and heavy duty gasoline engines; therefore, there will
          be one AP-42 emission factor to apply to a combined
          horsepower-hours of utilization for light-duty and heavy-
          duty gasoline engines.

1.3.51    For ozone SIP inventories only:  the reviewer should check
          if evaporative and crankcase VOC emissions were included in
          the calculation of VOC emissions from the industrial
          equipment category.

1.3.52    The reviewer should check if off-highway motorcycles (MC's)
          are accounted for in the inventory.

1.3.53    The guidance document Volume IV (1989) provides an equation
          (equation 3-25, p. 3-17) for calculating annual off-highway
          vehicle miles of travel (VMT)  for MC's.  The reviewer
          should determine if equation 3-25 was used; if not, the
          reviewer should check if there is documentation of an
          alternate method used to calculate VMT for MC's.

1.3.54    In order to determine VMT for MC's, equation 3-25 requires
          an input value for the number of registered motorcycles in
          the county being inventoried.   Indicate if county-level MC
          registration data were used directly in calculating VMT, or
          if state-level registration data were apportioned to the
          county level based on population data using equation 3-26
          in Volume IV (1989).

1.3.50
1.3.51
1.3.52
1.3.53
1.3.54

Are the emission factors from Table 3.3-1 (AP-42, Volume 1} used
for each engine type?
(For ozone inventories only)
Were evaporative and crankcase VOC emissions included in the
ozone inventory?
Are emissions from off-highway motorcycles (MC's) accounted for
in th^e inventory?
Was equation 3-25 (Volume [V [19891, p. 3-17) used to calculate
VMT from off-highway MC's?
If not, is there documentation of the alternate method used to
calculate VMT?
Were county-level vehicle registration data used in calculating
emissions?
If not, were state-level registration data used in conjunction
with state and county population data and eq 3-26 (Volume IV
(1989), p. 3-17)?
YES







NO







COMMENTS







tls.OAla
                                 6-32
-------
1.3.55    The reviewer should check if equation 3-27  (Volume IV
          [1989], p. 3-18) was used to calculate total emissions from
          off-highway MC's.  If equation 3-27 was not used, the
          reviewer should check if an alternate method
-------
1.3.62    For ozone inventories only:  the reviewer should check if
          evaporative emissions are included in the VOC emissions
          calculated for the category of lawn and garden equipment.

1.3.63    The reviewer should check if emissions from snowmobiles are
          accounted for in the inventory.  If snowmobiles are not
          included in the inventory, the reviewer should check if any
          justification (such as climate conditions or registration
          -data)  is provided for not including them.

1.3.64    The reviewer should determine if the snowmobile population
          is given on a county-specific basis or if statewide
          snowmobile population was allocated to the county level
          using a population adjustment factor (equation 3-30, p. 3-
          20 of Volume IV [1989]).  .

1.3.65    The reviewer should check if equation 3-31, p. 3-20 in
          Volume IV (1989) was used to calculate emissions from
          snowmobiles.

1.3.62
1.3.63
1.3.64
1.3.65

(For ozone inventories only)
Are evaporative VOC emissions included?
Are emissions from snowmobiles accounted for in the inventory?"
If snowmobites are not included in the inventory, is any
rationale (such as climatic conditions or registration data)
cited for not including them?
Is the snowmobile population given on a county-specific basis?
If not, is the statewide snowmdbile population allocated to
counties using equation 3-30 (Volume IV (1989), p. 3-20)7
Are snowmobile emissions calculated using equation 3-31?
YES






NO






COMMENTS






tla.04 la
                                 6-34
-------
1.3.66    The reviewer should check if emissions from recreational
          vessels are accounted for in the inventory.  Recreational
          boating generally includes vessels fewer than 100 feet in
          length, most being fewer than 30 feet.  These vessels are
          powered by either outboard or inboard engines.

1.3.67    The reviewer should check if emissions from commercial
          vessels were accounted for in the inventory.  Commercial
          vessels.include all boats and ships used either directly or
          indirectly in the conduct of commerce or military activity.
          The majority of the vessels in this category are powered by
          diesel engines or steam turbines.

1.3.68    In order to estimate the number of boats used at the county
          level, most states will need to use statewide boat
          registration data apportioned to the county level.  The
          reviewer should check if statewide boat registration data
          were provided and list the source of those data in the
          comments column.

1.3.69    The reviewer should check if the boat registration data
          used are divided into inboard and outboard categories.  If
          not, documentation should be provided on how the
          recreational boat population was divided into inboard and
          outboard categories.

1.3.70    The reviewer should check if the inboard category is
          separated into gasoline powered and diesel powered groups
          in the registration data.  If not,  the reviewer should
          check that the 70% gas - 30% diesel default value was used.

1.3.66
1.3.67
1.3.68
1.3.69
1.3.70


Are emissions from recreational vessels accounted for?
Are emissions from commercial (including military) vessels
accounted for?
Are statewide boat registration data provided?
Are the registration data used divided into inboard and outboard
categories?
If not, is documentation of how the recreational boat population
was divided into inboard and outboard categories provided?
Is the inboard category divided into gasoline and diesel groups
in the registration data?
If not, was the 70X gas - 30X diesel default value used?
YES







NO







COMMENTS







tls.OAla
                                6-35
-------
1.3.71    The reviewer should determine if recreational vessel
          population was allocated to the county level on the basis
          of the ratio (state:county) of surface water area, as
          recommended in equation 7-1 of Volume IV (1989).  If so,
          the reviewer should check if the source of the surface
          water area statistics is identified and list the source in
          the comments column.

1.3.72    The reviewer should check if equation 7-2 from Volume IV
          (1989) was used to calculate the total quantity of fuel
          used by each category of recreational vessel (outboard,
          inboard-gas and inboard-diesel).

1.3.73    The equation 7-2 from the previous question requires a
          usage factor "C," which represents the expected annual
          hours of operation of recreational boats.  The reviewer
          should check if equation 7-3 was used to determine the
          value of "C."  Also, as part of equation 7-3, a value for
          "M," which represents the number of months per year during
          which the monthly mean temperature exceeds certain
          designated values as outlined on p. 7-6 of Volume IV
          (1989).  The reviewer should check if the value for "M" was
          determined using the guidance on p. 7-6, and also list the
          approximate latitude of the inventory area in the comments
          column.

1.3.74    The preparing agency will develop one of three sets of fuel
          use, depending on the level of detail of the data
          collected.  The reviewer should check which set of fuel
          data was developed.  The three sets are each defined on
          p. 7-6 of Volume IV (1989).

1.3.71
1.3.72
1.3.73
1.3.74

Was the recreational vessel population allocated to the counties
included in the MSA/CMSA on the basis of the ratio
(state: county) of surface water area, as outlined in Volume IV
(1989), equation 7-1?
Is the source of the surface water area statistics identified?
Was the total fuel used by each category of vessel (outboard,
inboard-gas, and inboard-diesel) determined using equation 7-2
from Volume IV (1989)?
Was the usage factor "C" in equation 7-2 determined using
equation 7-3?
-Was the value of "M" in equation 7-3 correctly determined?
-What is the approximate latitude of the MSA/CMSA?
Morth
Which of the three sets of fuel use (Volume IV (1989), p. 7-6)
is developed?
-Set 1
-Set 2
-Set 3
YES







NO







COMMENTS







tls.OAla
                                 6-36
-------
1.3.75    Equation 7-4 on p. 7-7 of Volume IV (1989) calculates
          annual emissions for each category of recreational vessels.
          The reviewer should check that equation 7-4 was used and
          that the correct emission factors from Table 7-1, on p. 7-7
          of Volume IV (1989),  were used in the equation.

1.3.76    The reviewer should check if the recommended seasonal
          adjustment factor, as measured by fuel use, of 1.5% was
          used in the inventory.  If not, the reviewer should briefly
          describe the alternative method used if applicable.

1.3.77    There are two methods available in the Volume IV (1989)
          guidance document for estimating emissions from
          commercial/military vessels:  the fuel sales method and the
        .  ship movement data method.  The ship movement data method
          attempts to provide a more accurate estimate than the fuel,
          sales method and is based on ship activity at a specific
          port.  The reviewer should check which method was used.

1.3.78    Most preparing agencies will need to use state sales data
          for residual and distillate fuel oil used for marine
          purposes.  The reviewer should check if these data are
          provided in the inventory report, and also list the source
          of these data in the comments column.

1.3.79    Preparing agencies will need to apportion residual fuel
          sales to each port in the inventory.  The reviewer should
          check if equation 7-5 on p.  7-8 of Volume IV (1989) was
          used to'apportion sales data to each port.

1.3.80    Preparing agencies will need to apportion distillate oil
          sales to each port in the inventory.  The reviewer should
          check if equation 7-6 on p.  7-8 of Volume IV (1989) was
          used to apportion distillate oil sales.

1.3.75
1.3.76
1.3.77
1.3.78
1.3.79
1,3.30

Were the annual emission estimates calculated using equation 7-4
and the correct emission factors?
Were seasonally adjusted (typical summer day) emissions
calculated as 1.5X of annual emissions (Volume IV (1989), p.
7-7)7
Which method was used to estimate emissions from commercial
and/or military vessels:
-Method 1: Fuel Sales Method
-Method 2: Ship Movement Data Method
(If Method 1 was used, complete items 1.3.77 thru 1.3.86, if
Method 2 was used complete items 1.3.57 thru 1.3.98)
Are sales data for residual and distillate fuel oil used for
marine purposes in the entire state provided?
Are residual fuel sales apportioned to the port(s) in the
inventory area by equation 7-5 (Volume IV (1989), p. 7-8)?
Are distillate oil sates apportioned to the port(s) in the
inventory area by equation 7-6 (Volume IV (1989), p. 7-8)7
YES







NO







COMMENTS







tls.OAla
                                6-37
-------
1.3.81    The reviewer should check if the values for
          Ns<18' anc* Ns>18 from equations 7-5 and 7-6 are provided in
          the inventory report.  The reviewer should also indicate if
          Waterborne Commerce of the US was used to collect these
          data,  or list the source that was used in the comments
          column.

1.3.82    The reviewer should check if equation 7-7a, on p. 7-9 of
          Volume IV (1989),  was used to estimate the residual fuel
          used (Qri) in the port(s) in the inventory area.

1.3.83    The reviewer should check if equation 7-7b, on p. 7-9 of
          Volume IV (1989) was used to estimate the distillate fuel
          used (Qdi) in the port(s) in the inventory area.

1.3.84    The reviewer should determine if emissions for
          commercial/military vessels were estimated by multiplying
          the quantity of residual and distillate oil (Qri and Qdi)
          by the emission factors from Tables 7-2 and 7-3 on p. 7-11
          of Volume IV (1989).

1.3.85    The guidance on p. 7-9 of Volume IV states that an
          assumption can be made that all distillate oil is used by
          motorships.   The reviewer should check if this assumption
          was made.

1.3.86    Table 7-2 on p. 7-11 of Volume IV (1989) provides emission
          factors for commercial motorships by waterway
         • classification.  The reviewer should check which emission
          factors by waterway classification were used.

1.3.81
1.3.82
1.3.83
1.3.84
1.3.85
1.3.86
	 _
Are vessel activity inventories for the port(s) in the inventory
area !«) and for all ports in the state (Ns<18,
Nc>ts), require^ TOP equations 7-5 and 7-6, provided?
Is the estimate of residual fuel used (Qrj) in the port(s) in
the inventory area calculated by equation 7-7a (Volume IV
(1989), p. 7-9)7
Is the estimate of distillate fuel used (Qnj) in the port(s) in
the inventory area calculated by equation 7-7b (Volume IV
(1989), p. 7-9)?
Are emissions estimated as the products of Q-------
1.3.87    The guidance on p. 7-9 of Volume IV (1989) states that all
          residual oil can be assumed to be used by steamships.  The
          reviewer should check if this assumption was made.

1.3.88    If the preparing agency used the ship movement data method,
          the first data element required is the number of vessels,
          by size category, using the port.  The reviewer should
          determine if vessel activity has been provided for vessels
          with a draft of less than 18 feet (Ni<1s) and vessels with
          a draft of 18 feet or more (Ni>is).   The reviewer should
          also list the source of this activity in the comments
          column.

1.3.89    The ship movement data method also requires that a value be
          calculated for the average travel time by vessels enteringc
          maneuvering, and leaving the port.  The equation 7-8, on
          p. 7-10 of Volume IV (1989),  which is used to calculate
          this travel time, requires an input value "d" which
          represents the distance between the outer limits of the
          inventory study area and a theoretical centroid of activity
          within the port.  The reviewer should check if a value for
          "d" was calculated and provided in the inventory report.

1.3.90    The reviewer should check if equation 7-8 (referenced in
          last question) was used to calculate average underway
          travel time for vessels in the port area.

1.3.91    The reviewer should check if all vessels with a draft of
          <. 18 feet (Ni 18 feet
          were distributed as either American or foreign.  The
          reviewer should also list the source of this distribution
          (e.g., Port Authority,  Coast Guard).

1.3.87
1.3.88
1.3.89
1.3.90
1.3.91
1.3.92

Is all residual oil use (Or,-) assigned to steamships?
Are vessel activity inventories for the port(s) in the inventory
area (N,-<1S, M,- 18 ft (Mi>i
-------
1.3.93    The reviewer should check if fuel consumption rates for
          each category of vessel were determined using Table 7-4
          (Volume IV [1989],  p. 7-12).  Table 7-4 provides fuel
          consumption rates in gallons per hour for vessels operating
          in port areas.

1.3.94    The reviewer should check if underway emissions, which
          represent emissions while the vessel is entering, leaving
          or maneuvering in port, were calculated using equation 7-9
          (Volume IV [1989];  p. 7-13)  and the appropriate emission
          factors from Table 7-5 (Volume IV [1989], p. 7-12).

1.3.95    In addition to underway emissions for commercial/military
          vessels, the preparing agency also needs to estimate
          dockside emissions for large vessels (draft > 18 feet).  In
          order to estimate dockside emissions, the preparing agency
          needs to determine a value for the average duration of stay
          at dockside for these vessels.  The reviewer should check
          if this value has been estimated in the inventory report
          and list the source of this value in the comments column
          (e.g., Port Authority, Coast Guard,  shipping company
          officials).

1.3.96    The guidance in Volume IV (1989), p. 7-14, provides
          recommended assumptions for the fuel consumption rates for
          steamships and motor vessels.  The reviewer should check
          that the correct fuel consumption rates for vessels at
          dockside in port (1900 gal/day residual oil for American
          steamships, 660 gal/day distillate oil for foreign diesel
          motorships) are used.

1.3.97    The reviewer should check if equation 7-10 (Volume IV
          [1989], p. 7-13) was used to determine total dockside fuel
          consumption for the port.

1.3.93
1.3.94
1.3.95
1.3.96
1.3.97

Are fuel consumption rates for each category of vessel
determined from Table 7-4 (Volume IV (1989), p. 7-12)?
Are underway emissions then determined using equation 7-9
(Volume IV (1989), p 7-13) and the appropriate emission factors
from Table 7-5 (Volume IV (1989), p. 7-12)7
Is an average duration of stay at dockside, for large vessels
(draft > 18 ft) only), estimated?
Are the correct fuel consumption rates for ships at dockside in
port (1900 gal/day residual oil for American steamships, 660
gal/day distillate oil for Foreign diesel motorships, per
Volume IV (1989) used?
Is total dockside fuel consumption for the port then determined
using equation 7-10 (Volume IV (1989), p. 7-13)?
YES





NO





COMMENTS





Us. (Mia
                                 6-40
-------
1.3.98
1.3.99
The reviewer should check if dockside emissions were
determined using equation 7-11 (Volume IV  [1989], p.
and the appropriate emission factors from Table 7-6
(Volume IV [1989], p. 7-14).
                                                                7-14)
The summary emission totals for the category of
commercial/military marine vessels should be reviewed to
determine if both underway and dockside emissions are
included.

1.3.98
1.3.99

Are dockside emissions then determined using equation 7-11
(Volume IV (1989), p. 7-14) and the appropriate emission factors
from Table 7-6 (Volume IV (1989), p. 7-14)7
Are both underway and dockside emissions included in total
emissions from commercial and military vessels?
YES


MO


COMMENTS


M.S.04U
                                 6-41
-------
-------
        7.0   INVENTORY REVIEW SUMMARY AND FOLLOW-UP ACTIVITIES

     At the conclusion of the initial quality review process, the
Region will need to communicate its findings back to the inventory
preparation agency and the State.  Similarly, the Region will also
need to provide the Office of Air Quality Planning and Standards
(OAQPS) with feedback on the status of the inventory review
activities.   At a minimum, this initial communication should include
a copy of the applicable completed checklists found in Appendices A,
B, C, and D of this document and a transmittal memo that summarizes
the deficiencies in the inventory as identified by the Region.

     The language in the transmittal memo should be specific and
directed at the areas needing improvement.  The memo should not just
list items not contained in the inventory or just list mistakes.  The
language should be positive and directed.  For example, the
communication needs to say specifically what is required and where in
the inventory the material should be placed.  The comments should
tell the State exactly what they need to do to change their  •
inventory, how the Region wants it done, and why it should be done
this way.  The Region should refer to the guidance materials listed
in Table 1-1 to provide backup support for their comments and
requirements.

     When the Region has finished its review process,  there will neeu
to be a coordinator of all review comments who will examine
Appendices A, B, C, and D, determine the extent of the reviews,  and
proceed to gather and collect all comments.   If more than one person
reviewed the same sections of the inventory, the coordinator will
have to assess all the comments and consolidate them into a single
set that represent the Region's position.  If different people were
responsible for reviewing different parts of the inventory (i.e., one
for point sources, one for area, etc.),  then the coordinator may only
have to pull together each set of comments and put them in a common
package.  The Region needs to make sure it provides the State with a
clear and consistent, set of comments.

tls.041a
                                 7—1
-------
     An example outline of a transmittal memorandum for sending a
Region's quality review comments is provided in Table 7-1.  This
example only describes the general characteristics that would be
common to all memoranda.  Each inventory and Regional review process
will have unique characteristics which will affect the content and
form of the memorandum.  In general, the memo should summarize the
attached checklist, summarize inventory deficiencies, request
clarifications, summarize required actions and necessary changes, and
provide a suggested schedule for revising the inventory.  The memo
should also provide a list of Regional contact people for specific
inventory parts that the State can address questions to if it needs
to reconcile a comment.

     Following the submittal of its comments, the Region should
monitor the progress of the preparing agency in revising the
inventory.  Upon receipt of the revised inventory, the Region will
need to evaluate it to ensure that all previously identified
deficiencies have been corrected to the Region's satisfaction.  If
the revised inventory satisfies the requirements, the Region should
send some type of correspondence to the State indicating that the
State has met the base year inventory requirements for that
nonattainment area.  This correspondence should be copied to OAQPS«
If the revised inventory still does not conform to the Region's
requirements, additional documentation of deficiencies will have to
be made and sent to the preparing agency.  This process should
continue until all requirements have been met.
tLs.041a
                                 7-2
-------
           TABLE 7-1.   EXAMPLE OUTLINE FOR MEMO TO TRANSMIT
          REGIONAL OFFICE QUALITY REVIEW COMMENTS TO STATES
                             MEMORANDUM

    DATE:

      TO:  State Air Agency Responsible for Base Year Inventory

    FROM:  EPA Regional Office

 SUBJECT:  Quality Review Comments for XYZ Nonattainment
           Area Base Year Emissions Inventory
  Introduction

     Define purpose of the memo

     Identify the EPA groups involved in the review

  -  Identify the inventory addressed by the comments in terms
     of the nonattainment area, the State, arid the agencies
     submitting and preparing the inventory

     Outline what is contained in the memo and describe any
     attachments (e.g., the Appendix A checklists)

  Summary of Review Checklist and Identification of Deficiencies
     For each applicable checklist in Appendices A, B, and C
     identify missing or incomplete data and denote instances
     of "No" answers to the checklist questions

     For each item where a problem has been identified,
     provide a narrative describing the deficiency, why the
     item is deficient, and what generally is required to
     correct the deficiency

     Ideally, a summary table like that shown below would be
     useful

     Make sure comments correspond organizationally to the
     numbering system used in the inventory submittal
tla.OAla
                                 7-3
-------
    *  Inventory                                           *
    *  Section/Page                Deficiency              *
    *                                                      *
    *  2,  Table 4                  VOC data not included   *
    *                                                      *
    *  p.  5-7                      rule effectiveness not  *
    *                              applied for Acme        *
    *  etc.                         Chemical                *
    *                                                      *
  Repaired Actions/Corrections

     The Region should state precisely what revisions to the
     draft inventory the State should make in order to gain
     approval of the inventory

  -  The required revisions should be clearly tied to the
     specific deficiencies outlined previously

  -  The Region should state clearly what it expects to see
     in terms of content and format of the requested revisions

     Use examples as necessary and refer to the published
     guidance for support

     In cases where additional documentation is needed,
     provide specific guidance on what type of- documentation
     is acceptable.  Do not make vague statements simply
     requesting more documentation.

  Schedule

     The Region should put forth to the State a tentative
     schedule for making the revisions and responding with
     a revised inventory.

  Contacts

     The Region should identify specific contact people at
     their offices that should be called to reconcile comments
     on different parts of the inventory.  It is likely that
     the State may not understand all or parts of some
     comments such that clarification by the Region will be
     necessary.
tls.OAla
                                 7-4
-------
               APPENDIX A




       CHAIN OF CUSTODY FORMS AND.




      QUALITY REVIEW CHECKLIST FOR




OZONE NONATTAINMENT EMISSION INVENTORIES
-------
-------
                               APPENDIX A
      FORM A-l.  IDENTIFICATION OF RESPONSIBLE AGENCIES  AND
                  SPECIFICATION OF GEOGRAPHIC SCOPE
    1.1  AGENCY SUBMITTING THE INVENTORY
         Name 	•	
         Address
         Telephone
         CONTACT PERSON
         Primary - Name
                   Title
                   Telephone
         Secondary - Name 	
                     Title
                     Telephone
   1.2   INVENTORY PREPARATION AGENCY
         Name 	
         Address
         Telephone
         CONTACT PERSON
         Primary - Name
                   Title
                   Telephone
tls.023
                               A-l
-------
          Secondary - Name

                      Title
                      Telephone
    1.3   GEOGRAPHIC AREA INCLUDED IN THE INVENTORY

            State	;	
    Individual Counties/Parishes             County/Parish/
    Towns Included in the Inventory          Town Population
Us. 023
                               A-2
-------
                          APPENDIX A

          FORM A-2.  INVENTORY QUALITY REVIEW RECORD


    2.1   Original Inventory Receipt Date 	

          Received By:

             Name 	'	
             Affiliation

             Telephone 	
    2.2   Inventory Review Record

          Reviewer No. 1

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
          Reviewer No. 2

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
tls.023
                               A-3
-------
          Reviewer No.  3

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
          Reviewer No.  4

            Name	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
          Reviewer No. 5

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
bis.023
                               A-4
-------
                          APPENDIX A

    FORM A-3.  RECORD OF CORRESPONDENCE CONCERNING INVENTORY
               QUALITY REVIEW
    3.1   Correspondence From the EPA to the State Agency
    Please provide a complete photocopy record of all
    correspondence made between the EPA Regional office and
    the State agency(ies) responsible for_the submittal
    inventory concerning the inventory preparation and
    quality review process.  The correspondence should be
    arranged chronologically.  Attach Form A-3.1 as a cover
    sheet to the front of such correspondence.
    3.2   Correspondence From the State Agency to the EPA
    Please provide a complete photocopy record of all
    correspondence made between the State agency(ies)
    submitting the inventory and the EPA Regional office
    concerning the inventory preparation and 'quality review
    process.  The correspondce should be arranged
    chronologically.  Attach Form A-3.2 as a cover sheet to
    the front of such correspondence.
tls.023
                               A-5
-------
    FORM A-3.1  CORRESPONDENCE  FROM THE EPA TO THE STATE
.023
                              A-6
-------
      FORM A-3.2  CORRESPONDENCE FROM THE STATE TO THE EPA
Us. 023
                               A-7
-------

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A-34
-------
                    APPENDIX B




            CHAIN OF CUSTODY FORMS'AND




           QUALITY REVIEW CHECKLIST FOR




CARBON MONOXIDE NONATTAINMENT EMISSION INVENTORIES
-------
-------
                               APPENDIX B


      FORM B-l.  IDENTIFICATION OF RESPONSIBLE AGENCIES AND
                  SPECIFICATION OF GEOGRAPHIC SCOPE
    1.1  AGENCY SUBMITTING THE INVENTORY

         Name 	
         Address
         Telephone
         CONTACT PERSON

         Primary - Name

                   Title
                   Telephone

         Secondary - Name 	

                     Title
                     Telephone
   1.2   INVENTORY PREPARATION AGENCY

         Name 	
         Address
         Telephone
         CONTACT PERSON

         Primary - Name

                   Title
                   Telephone
Us. 023
                               B-l
-------
          Secondary - Name

                      Title
                      Telephone
    1.3    GEOGRAPHIC AREA INCLUDED IN THE INVENTORY

            State  	
    Individual Counties/Parishes             County/Parish/
    Towns Included in the. Inventory          Town Population
61s.023
                               B-2
-------
                          APPENDIX B

          FORM B-2.  INVENTORY QUALITY REVIEW RECORD


    2.1   Original Inventory Receipt Date 	

          Received By:

             Name ,	
             Affiliation

             Telephone 	
    2.2   Inventory Review Record

          Reviewer No. 1

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 'Review
          Reviewer No. 2

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
tls.023
                               B-3
-------
          Reviewer No.  3

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
          Reviewer No.  4

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
          Reviewer No.  5

            Name 	
            Affiliation

            Date Review
              Initiated

            Date Review
              Completed

               Focus of
                 Review
tls.023
                               B-4
-------
                      APPENDIX B

FORM B-3.  RECORD OP CORRESPONDENCE CONCERNING INVENTORY
           QUALITY REVIEW
3.1   Correspondence From the EPA to the State Agency
Please provide a complete photocopy record of all
correspondence made between the EPA Regional office and
the State agency(ies)  responsible for the submittal
inventory concerning the inventory preparation and
quality review process.  The correspondence should be
arranged chronologically.  Attach Form A-3.1 as a cover
sheet to the front of such correspondence.
3.2   Correspondence From the State Agency to the EPA
Please provide a complete photocopy record of all
correspondence made between the State agency(ies)
submitting the inventory and the EPA Regional office
concerning the inventory preparation and quality review
process.  The correspondce should be arranged
chronologically.  Attach Form A-3.2 as a cover sheet to
the front of such correspondence.
                           B-5
-------
FORM B-3.1  CORRESPONDENCE FROM THE EPA TO THE STATE
                         B-6
-------
      FORM B-3.2   CORRESPONDENCE FROM THE STATE TO THE  EPA
tls.023
                                B-7
-------



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                                   TECHNICAL REPORT DATA
                            [Please read Instructions on the reverse before completing)
1. REPORT NO.
  EPA-454/R-92-007
                             2.
                                                           3. RtCIPIENT'S ACCESSION NO.
4. TITLE-AND SUBTITLE
  Quality Review Guidelines
  Inventories
  For 1990  Base  Year Emission
5. REPORT DATE

    n<;t 1QQ?
                                6.
                                    FORMING ORGANIZATION COO6
7.AUTH0R(s> wney J. Barbour,  Garry W.  Brooks, Joe M.
  Mangino (Radian Corporation),  Mark  A. Wolcott, Terry
  Newell, Natalie M. Dobie  (Office of Mobile Sources)
                                                           8. PERFORMING ORGANIZATION REPORT NO.
9. PERFORMING ORGANIZATION NAME AND ADDRESS
                                                           1O. PROGRAM ELEMENT NO.
  Radian Corporation
  P.O. Box 13000
  Research Triangle
    Park, NC  27709
Office of Mobile  Sources
U.S. Environmental  Protection
  Agency
Ann Arbor, MI   481Q5  -	
11. CONTRACT/GRANT NO.

 68D10117
 Work Assignment 42
12. SPONSORING AGENCY NAME AND ADDRESS
  Office of Air Quality Planning  and Standards
  U.S. Environmental Protection Agency
  Research Triangle Park, NC   27711
                                13. TYPE OF REPORT AND PERIOD COVERED

                                 Final	
                                14. SPONSORING AGENCY CODE
15. SUPPLEMENTARY NOTES
  EPA Project Officer:  William  B.  Kuykendal
16. ABSTRACT
       The primary purpose of  this  document is to provide  a  standard set of guidelines
  to use in conducting formal  reviews  of 1990 base year SIP  inventories received from
  ozone and CO nonattainment areas.   Having a standard set of  inventory review guide-
  lines will help ensure national consistency in the level of  scrutiny that submitted
  inventories will undergo.  These  guidelines will also ensure the proper documentation
  of review activities to allow  for serial  review with minimal  overlap.  A third use
  of this document and the review guidelines is to provide State  agencies preparing the
  inventories with information to use  as a  self-check prior  to submitting the invento-
  ries to EPA.
       This document provides  review guidelines that address whether States followed
  the overall requirements for base year inventory preparation published in previous
  guidance material and whether  the inventories meet developed specifications for
  completeness, consistency (both internal  and with national trends), reasonableness of
  emission values, and overall documentation requirements.
       This document was originally published in'September 1991 as EPA Report Number
  EPA-450/4-91-022.  It has been revised to include expanded questions for on-road
  mobile sources for both the  MOBILE4.1  model  and vehicle miles travelled (VMT).  In
  addition, a new checklist covering off-road mobile sources has  been added.
17.
                               KEY WORDS AND DOCUMENT ANALYSIS
                  DESCRIPTORS
                                             b.lOENTIFIERS/OPEN ENDED TERMS  C.  COSATI Field/Group
  Emission Inventories
  Ozone
  Carbon Monoxide
  Checklist
  Review
18. DISTRIBUTION STATEMENT


  Unlimited
                   19. SECURITY CLASS (TliisReport)
                     Unclassified
              21. NO. OF PAGES

                   ?74
                   20. SECURITY CLASS (This page I

                     Unclassified
                                              22.
EPA Form 2220-1 (R»v. 4-77)   PREVIOUS EDITION is OBSOLETE
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