PB94-964081
                                  EPA/ROD/R04-94/220
                                  April 1995
EPA  Superfund
       Record of Decision:
       Naval Air Station Cecil Field
       (Operable Unit 7), Jacksonville, FL
       3/31/1994

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               INTERIM RECORD OF DECISION

AIRCRAFT INTERMEDIATE MAINTENANCE DEPARTMENT (AIMD)
       SEEPAGE PIT AREA, SITE 16, OPERABLE UNIT 7

              NAVAL AIR STATION, CECIL FIELD
                  JACKSONVILLE, FLORIDA
               Unit Identification Code (UIC):  N60200

                  Contract No. N62467-89-D-0317
                    /    Prepared by:

                 ABB Environmental Services, Inc.
                 2590 Executive Center Circle, East
                   Tallahassee, Florida 32301
                         Prepared for:

             Department of the Navy, Southern Division
               Naval Facilities Engineering Command
                        2155 Eagle Drive
               North Charleston, South Carolina 29418

             Alan Shoultz, Code 1865, Engineer-ln-Charge

                   i
                          March 1994

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                               TABLE Of CONTENTS

                                Interim Record of Decision
                            AIMD, Seepage Pit Area, She 16, OU 7
                            MAS Cecil Field, Jacksonville, Florida
Section	Title	Page No.

1.0  DECLARATION FOR THE  INTERIM RECORD OF DECISION	1-1
     1.1  SITE NAME AND LOCATION	1-1
     1.2  STATEMENT OF BASIS AND PURPOSE	1-1
     1.3  ASSESSMENT OF THE SITE	1-1
     J.4  DESCRIPTION OF  THE SELECTED REMEDY	1-1
     1.5  STATUTORY DETERMINATIONS	1-2
     1.6  SIGNATURE AND SUPPORT AGENCY  ACCEPTANCE OF THE REMEDY	1-2

2.0  DECISION SUMMARY	  •  •	2-1
     2.1  SITE NAME, LOCATION, AND  DESCRIPTION	2-1
     2.2  SITE HISTORY AND ENFORCEMENT  ACTIVITIES	2-1
          2.2.1  Site History	2-1
          2.2.2  Previous Investigations  	   2-5
     2.3  HIGHLIGHTS OF COMMUNITY PARTICIPATION 	   2-6
     2.4  SCOPE AND ROLE  OF OPERABLE UNIT	2-6
     2.5  SITE CHABAGTBR1STK3S	2-6
     2.6  SUMMARY OF SITE RISKS	2-7
          2.6.1  Direct Contact Exposure Scenario 	   2-7
          2.6.2  Leaching to Groundwater Scenario 	   2-7
          2.6.3  Feasibility Analysis  	   2-7
     2.7  DESCRIPTION OF  ALTERNATIVES	2-8
     2.8  SUMMARY OF COMPARATIVE ANALYSIS OF ALTERNATIVES	2-8
          2.8.1  Overall  Protection 	   2-8
          2.8.2  Compliance with ARARs	2-8
          2.8.3  Long-term Effectiveness and Permanence 	   2-8
          2.8.4  Reduction of Toxicity,  Mobility,  or Volume of the
                 Contaminants	2-16
          2.8.5  Short-Term Effectiveness	2-16
          2.8.6  Implementability	2-16
          2.8.7  Cost	2-16
          2.8.8  State and Federal  Acceptance 	  2-16
          2.8.9  CooBunity Acceptance	2-16
     2.9  SELECTED REMEDY	2-16
     2.10 STATUTORY DETERMINATIONS	2-17
     2.11 DOCUMENTATION OF SIGNIFICANT  CHANGES  	  2-17
ATTACHMENT A:  Responsiveness  Summary
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                                  I&ST ,OiF
                                 Interim Record of Decision
                             AIMD, Seepage PH Area, Site 16, OU 7
                              MAS Cecil Field, Jacksonville, Florida
Figure	Title	Page No.

2-1  Site  Location Map	2-2
2-2  Site  16 Study Area	2-3
                                  LIST  OF TABLES
Table	Title	Page No.

2-1  Alternatives Considered for the  Interim Remedial Action at  Site 16  .  2-9
2-2  Synopsis of Potential Federal  and State Chemical-Specific ARARs  .  . 2-11
2-3  Synopsis of Potential Federal  and State Action-Specific ARARs  .  .  . 2-12
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                                   GLOSSARY
AIMD
ARARs

bis

CERCLA

CFR

FDEP
FFS

IAS
IROD

LDR
NAS
NDI
NCF

OU

RCRA
RFI
RI
ROD

SARA
SVOCs

TCE

USEPA

VOCs
             Aircraft Intermediate Maintenance Department
             applicable or relevant and appropriate requirements

             below land surface

             Comprehensive Environmental Response, Compensation, and Liability
             Act
             Code of Federal Regulations

             Florida Department of Environmental Protection
             Focused Feasibility Study

             Initial Assessment Study
             Interim Record of Decision

             Land Disposal Restriction

             micrograms per kilogram

             Naval Air Station
             Non- Destructive Inspection
             National Oil and Hazardous Substances Pollution Contingency Plan

             Operable Unit

             Resource Conservation and Recovery Act
             RCRA Facility Investigation
             Remedial Investigation
             Record of Decision

             Superfund Amendments and Reauthorization Act
             semivolatile organic compounds

             trichloroethene

             U.S. Environmental Protection Agency —

             volatile organic compounds
(DEC IROO.OU7
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              1.0  DECLARATION E0R THE INTERIM RECORD OF DECISION
1.1  SITE NAME AND LOCATION.   The site name is Aircraft Intermediate Maintenance
Department (AIMD) Seepage Pit Area, Site 16, Operable Unit (OU) 7, and is located
at Naval Air Station Cecil Field, Jacksonville, Florida.
1.2  STATEMENT OF BASIS AND PURPOSE

This decision document presents the selected interim remedial action for OU 7 or
Site 16, the AIMD  Seepage Pit Area.   The selected interim remedial action was
chosen in accordance  with the requirements of the Comprehensive Environmental
Response, Compensation, and Liability Act (CERCLA),  as amended by the Superfund
Amendments and  Reauthorization Act  (SARA) of 1986, and  the  National  Oil and
Hazardous  Substances  Pollution Contingency  Plan  (NCP,  40  Code  of  Federal
Regulations [CFR] 300).   This  decision document explains  the  factual basis for
selecting  the  interim  remedy  for  Site 16  and the  rationale for  the  final
decision.  The information supporting this interim remedial action decision is
contained in the Administrative Record for this site.

The U.S.  Environmental Protection Agency and the State of Florida concur  with the
selected interim remedy.


1.3  ASSESSMENT  OF THE   SITE.   Actual  or threatened releases  of hazardous
substances from the site, if not addressed by  implementing the response actions
selected in this Interim Record of Decision (IROD),  may present an imminent and
substantial endangerment to public health, public welfare, or the environment as
a result of concentrations of contaminants in soil  and groundwater in excess of
health-based levels.
1.4  DESCRIPTION OF THE SET-RCTED REMEDY.  The preferred alternative for source
control at Site 16 is a combination of two alternatives (Alternatives 1 and 2)
that were developed and evaluated in the Focused Feasibility Study (FFS).   The
combined preferred alternative would meet the Resource Conservation and Recovery
Act (RCRA) Land Disposal Restriction (LDR) requirements as well as the facility's
RGRA permit requirement to remove an underground storage tank.  A combination of
Alternatives 1 and 2 would involve:

     •   excavation of debris  and soils from the source area;

     •   treatment of  contaminated debris using abrasive  blasting for porous
         debris  and  high  pressure  water  washing for  non-porous debris or an
         equivalent method;

         testing of excavated  soils to determine if treatment is required prior
         to disposal (i.e.,  if the  soils are subject  to LDRs);

     •   transportation and disposal of soils with  concentrations below  the LDR
         treatment standards to a hazardous waste  landfill;
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     •   transportation, treatment, and disposal in a hazardous waste landfill
         of all  soils with concentrations of hazardous  constituents that are
         higher than  the LDR treatment standards;

     •   transportation and disposal of decontaminated debris to a solid waste
         landfill or  other environmentally appropriate location;

     •   transportation, treatment (if necessary), and disposal of water used in
         high pressure water washing of hazardous debris; and

     •   transportation,  treatment (if necessary),  and disposal  of blasting
         residuals from abrasive blasting of hazardous debris.

The Navy estimates that the preferred alternative would cost between  $772,000 and
$3,133,000 and would  take 5 weeks to implement.


1.5  STATUTORY DETERMINATIONS.  This interim action is protective of  human health
and the environment, complies with Federal and State applicable  or  relevant and
appropriate requirements for this limited scope action, and is cost effective.
Although this  interim action is  not  intended  to fully  address the statutory
mandate  for permanence  and treatment to  the maximum  extent practicable, this
interim  action uses  treatment  and, thus,  is in  furtherance of that statutory
mandate.  Because this action does not constitute the  final  remedy  for soil and
groundwater contamination at Site  16, the statutory preference for remedies that
employ  treatment  that reduces  toxicity,  mobility,  or .volume  as  a principal
element, although partially addressed in this remedy,  will be addressed by the
final response action for soil and  groundwater contamination.  Subsequent actions
are planned to fully address the threats posed by the conditions in  the soil and
groundwater at this site.

Because  this remedy will result in hazardous substances remaining  onsite above
health-based  levels,  a  review  will be  conducted to  ensure that the  remedy
continues to  provide adequate  protection of human health  and the environment
within 5 years after commencement of  the  remedial action.   Because this is an
IROD,  review  of this site and of this  remedy  will  be  ongoing  as  the Navy
continues to develop  final remedial alternatives for this site and this OU.


1.6  SIGNATURE AND SUPPORT AGENCY ACCEPTANCE
Captain Sam Houston    /I                                          Date
Commanding Officer, N/^Cecil Field
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                             2.0   PEGISION  SUMMARY
2.1  SITE NAME. LOCATION. AND DESCRIPTION.  Naval Air Station (NAS) Cecil Field
is  located 14 miles  southwest of  Jacksonville in  the northeastern  part of
Florida.  The majority of the Naval  Air Station  is located within Duval County;
however, a portion is located in the northern part of Clay County.

NAS Cecil Field was established in 1941 and provides facilities, services, and
material support for the operation and maintenance of naval weapons, aircraft,
and other  units  of the operating forces as  designated by the  Chief of Naval
Operations.   Some of  the  tasks required  to  accomplish this  mission include
operation  of fuel  storage facilities,  performance  of  a'rcraft  maintenance,
maintenance and operation of engine  repair  facilities and test cells for turbo-
jet engines, and support of special weapons systems.

The AIMD Seepage  Pit Area,  known  as OU 7 or Site 16,  is one  of several sites
currently designated at NAS Cecil Field for remedial action.  Site  16 is located
adjacent to the north-south jet runways on NAS Cecil Field in an industrial area,
as shown on Figure 2-1.  The AIMD seepage pit and adjacent area are located 60
feet north of Building  313.  Currently, the  Jet Engine Maintenance  Shop and Non-
Destructive Inspection  (NDI) laboratory are located in Building 313.  A sketch
of Site 16 is provided on Figure 2-2.

Site 16 is  a vegetated area with grass that is mowed regularly.  The general area
adjacent to site 16 is relatively flat and is  covered with asphalt  and concrete.
The immediate vicinity  is crisscrossed by several utilities,  including a water
line, overhead steam line,  fire water main,  a  sanitary sewer  main,  and storm
drain lines (both active and abandoned).  There are no inlets to  the storm sewer
system in the immediate vicinity of Site 16.

Surface water flow is toward paved roads in the vicinity of Site 16.  However,
a drainage swale that may carry some runoff to the south of the  site is located
east of the fence between  Buildings 313 and Hangar  815. The  swale is covered
with grass and drains to the  stormwater system.  It is believed that runoff from
the paved  roads  in the vicinity of Site 16 ultimately  flows  to the NAS Cecil
Field stormwater sewer  system.


2.2  SITE HISTORY AND ENFORCEMENT ACTIVITIES.  Site 16 consists  of a 4,100-gallon
concrete underground storage tank, a concrete underground vitrified glass bead
(used for  cleaning  painted surfaces)  separator,  a seepage  pit  (for subsurface
release of  liquid wastes)  constructed of cinder blocks on  a concrete pad, and
associated clay and iron piping, which may have leaked  in the past and allowed
solvents to migrate to  the surrounding soil and groundwater (Figure 2-2).

2.2.1  Site History  Wastes associated with cleaning and daily operations from
activities within an aircraft maintenance building (Building 313) at Site 16 have
contributed to soil and groundwater contamination in the area.   From 1959 until
1980, greases, rusts, scale  (i.e.,  flaky films that form on metals), and paint
wastes generated during a machine  and engine parts cleaning process, along with
glass beads and blasting grit from  the airframes blasting shop, were deposited
at the site.   Based on operations  occurring  within the building at this time,
wastes disposed here may have included sodium cyanide (used to  clean metals),

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                                                                          NAVAL AIR STATION
                                                                          IOUNOAKY
            NAVAL AIR STATION BOUNDARY
   FIGURE 2-1
   SITE LOCATION MAP
INTERIM RECORD OF DECISION
                                                                      NAS CECIL FIELD,
                                                                      JACKSONVILLE, FLORIDA
7584-20 931213WEM
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INTERIM RECORD OF DECISION
                                                               NAS CECIL FIELD
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trichloroethene (TCE) (used mainly for metal degreasing),  phenol (found in epo>-
resins), methylene chloride (used in solvent degreasing and as a cleaning fluid
and oil.

Liquid wastes  generated during  these processes  were allowed to drain toward a
sump located at the north end of the building.   This  sump was connected through
iron  piping to  the  4,100-gallon  concrete holding  tank.    The  holding  tank
contained a sump  equipped with  a  sump  pump.  The tank was  constructed so that
wastes could be pumped from the  sump into either a seepage pit  located north of
the holding tank or the storm sewer system (through 6-inch diameter clay piping).
The seepage pit was constructed with concrete blocks on top of a concrete slab
and measured approximately 40 feet long by 3  feet wide by  10 feet deep.  One-
half-inch gaps were  left  between  the  vertical  intersections  of the concrete
blocks.  The gaps were  filled with sand,  rather  than aortar.  The construction
of the seepage pit allowed for seepage of wastes directly  into surrounding soils
and groundwater.

Glass beads and blasting grit from sandblasting  operations within the building
were  also allowed to  enter the  system  through the sump  in  the  building.
Subsequently, glass beads accumulating within the tank and seepage pit  caused the
system to malfunction.  In the late 1960's, a 4-inch diameter clay discharge pipe
was installed  in  the  seepage pit  to allow gravity drainage to the storm sewer
system.  The discharge pipe was installed  approximately 3 feet above the base of
the seepage pit.  This pipe was  installed so that when the level of wastewaters
within the seepage pit reached the level of the  discharge pipe, the wastewaters
would overflow to  the storm sewer system.

Use of the seepage pit  was  discontinued in 1980.  At that time, piping leading
from the tank to the seepage pit was removed and the tank's outlet to the seepage
pit was plugged.   Piping from the tank to the storm sewer system was partially
removed and plugged, and piping leading from the seepage pit to the storm sewer
system was plugged.  Concurrently with  these alterations, a bead separator, for
gravity settling of glass beads  from the wastewaters, was installed to  the west
of this system. Discharge from the bead separator was connected to the sanitary
sewer system through  4-inch diameter iron piping.

From 1980 until 1989, the holding tank  was used  for 90-day storage of hazardous
waste.  This activity was allowed under a RCRA permit for temporary storage of
hazardous waste.  The use of the bead separator  continued from  1982 until 1989.
Renovation of  the north end of the building in 1989 included the abandonment of
the entire system.  At this time,  all  piping  leading from  the building to the
bead  separator and  from the building to  the  4,100-gallon holding  tank was
disconnected and plugged from within the building.  In addition, all liquids in
the holding tank  were pumped  out and  transported  to an  offsite  treatment,
storage, and disposal facility for treatment.

Figure 2-2 shows the current location of the underground tank and piping network
at the site.   It  includes a holding tank  (with free liquid removed), a portion
of the seepage pit that was not excavated in 1980,  a glass bead separator, and
ductile iron and  clay piping of various diameters.
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2.2.2  Previous Investigations  Previous environmental investigations at Site 16
include an Initial Assessment Study (IAS), an RCRA Facility Investigation (RFI),
and a Phase 1 Remedial Investigation (RI).   The results of these investigations
are summarized below.

Initial Assessment Study.  The IAS was performed in 1985 by Envirodyne Engineers
to identify waste sites at  HAS Cecil Field that warranted further investigation.
The study included an investigation of historical data and  aerial photographs as
well as field inspections  and personnel  interviews.   A  total of 18 sites were
identified as a result  of  the IAS, including Site 16.

RCRA Facility Investigation.   The RFI  was  performed in  1988 by Harding  Laws on
Associates.  Field investigations completed for Site 16 included a geophysical
survey using a magnetometer  to  locate subsurface features, the inst. llation of
three monitoring wells, collection and analysis of three groundwater samples  and
one sediment  sample,  and measurement of water levels in  the three monitoring
wells.  Groundwater  samples  contained  some solvents,  including TCE,  and heavy
inorganics  (metals;  e.g.,  chromium  and lead).   The sediment sample,  collected
from the discharge pipe connecting  the seepage pit to the storm sewer system,
contained solvents and  metals  (lead).

Remedial Investigation.  A Phase I RI was initiated during the  fall of 1991  and
the spring of 1992.  The investigation included:

•    a geophysical survey  to verify  the  location of the  seepage pit and other
     subsurface anomalies,

•    a detailed profile of subsurface conditions,

•    monitoring well installation and sampling and analysis of groundwater,

•    sampling and analysis of surface and subsurface soil,

•    estimation of the  rate  of  groundwater flow through the soils, and

•    collection of groundwater  level measurements.

Subsurface  soil  samples   contained  volatile organic  compounds  (VOCs), SOM
semivolatile organic compounds (SVOCs)  characteristic  of solvents and-p*itfM
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2.3  HIGHLIGHTS OF COMMUNITY  PARTICIPATION.   The FFS report and Proposed Plan
were completed and released to the public in December 1993.  A public meeting was
held on January 6, 1994, to present information on the proposed interim remedial
action  at  Site 16  and to solicit  comments  on  the  proposed cleanup.   These
documents and other Installation Restoration program, information are available
for public review in the Information Repository and Administrative Record.  The
repository  is  maintained  at  the  Charles D.  Webb Wesconnett  Branch  of  the
Jacksonville Public Library in Jacksonville, Florida.  The notice of availability
of these documents was published in The Florida  Times Union on December 19, 1993,
and January 1, 1994.

A 30-day public comment period was held froa December 21, 1993,  to January 24,
1994.  At the public meeting on Jam iry  6,  1994,  representatives from HAS Cecil
Field,  U.S.  Environmental  Protection  Agency  (USEPA),  Florida   Department
Environmental  Protection  (FDEP),  and  the  Navy's  environmental  consultants
presented  information  on  the remedial alternatives  and  answered  questions
regarding the  proposed interim  remedial action  at Site  16.   Written comments
received during the comment period and questions asked during the public meeting
are summarized and addressed in Attachment A, Responsiveness Summary.


2.4  SCOPE AND ROLE OF  OPERABLE UNIT.   Investigations  at Site 16 indicate the
presence of solvents  (TCE) in  the surrounding soil and groundwater.  The purpose
of this interim remedial action is to remove the source  of contamination  to soil
and groundwater at Site 16; namely, the debris and the most contaminated  soil at
the site.  Based on  previous investigations and the evaluation of applicable or
relevant and appropriate requirements (ARARs) for this site,  two remedial action
objectives were identified:

     •   remove  the  4,100-gallon holding  tank,  seepage  pit, bead  separator,
         piping, and associated soils to mitigate the release of contaminants to
         groundwater; and

     •   remove the  4,100-gallon holding tank to comply with the facility's RCRA
         permit issued by the State of Florida.

Further remedial action for the remaining contamination at the site  (i.e., the
groundwater and the  remaining soil)  will be performed upon completion of the RI
and the baseline risk assessment.  The RI report and baseline risk assessment are
scheduled for completion in the late spring of 1995.  It  is believed that this
interim action is consistent with any future remedial activities that may take
place at the site.


2.5  SITE  CHARACTERISTICS.   As  discussed   in   subsection 2.2.2,  compounds
characteristic of solvents and petroleum products, were detected in the soils and
absorbed into the concrete at AIMD.  Metals were also detected in the samples.
TCE is the primary contaminant of concern because it was  frequently  identified
in  the  environmental samples.   Examples of  other  solvents found at  Site 16
include 1,1,1-tricholoroethene and 1,2-dichloroethene.

The  holding tank, seepage pit,  glass  bead  separator,  and associated piping
received wastewaters containing spent solvents and other  contaminants from the
AIMD  located within  Building 313 over  a timespan  of several decades.   The

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construction of the seepage pit allowed wast-ewater to seep into the subsurface
soils, which can be described  as fine-grained sands to silty sands.  Seepage may
have  also  occurred as  a result  of  leaks from  the  holding  tank,  glass bead
separator, and/or  associated piping.  The bottoms of some of these underground
vessels intercept the shallow  surficial aquifer, which ranges from approximately
6 to  10  feet  below land surface  (bis) depending on  the  season.   Thus, wastes
(either absorbed or present)  in the holding tank, seepage pit,  bead separator,
associated piping, and contaminated soil next to these structures are possibly
acting as sources of groundwater contamination at the  site  and control of these
sources are addressed in this IROD.
2.6  SUMMARY OF SITE RISKS.  The purpose of this interim remedial action is to
address soil  and debris that  are  currently acting as  sources  of groundwater
contamination at Site 16.  A baseline risk  assessment has not been completed at
this time.   Once the RI has been completed, the baseline risk assessment will
be completed using RI data and any risks associated with exposure to contaminated
soils and groundwater at Site 16 will be addressed in a subsequent Feasibility
Study.

Action levels were calculated based on concentrations of TCE in soil because the
Navy, USEPA, and  FDEF agreed that  this  compound is the primary contaminant of
concern for source  control  at  Site 16.   Other chemicals detected at the site
will be evaluated further during the RI and the baseline risk assessment.

To approximate the volume of soil to be removed for this interim remedial action,
the following three scenarios were evaluated:

     •   direct contact with soil containing TCE by humans,
     •   leaching of TCE from soil to groundwater, and
     •   feasibility analysis based on residual soil concentration versus soil
         volume requiring removal.

2.6.1  Direct Contact Exposure Scenario  Direct contact exposure was evaluated
by assuming that soils containing TCE would be absorbed through the skin.  Based
on this analysis,  an action level for TCE  of  660,000 micrograms per kilogram
        would be considered a safe level to remain in the soil.
2.6.2  Leaching to Gaaaundyater Scenario  The leaching scenario used a computer
model to calculate the amount of TCE that would move through the soil and into
the groundwater.  According to this model,  the recommended action level for TGE
is 5 /igAg-

2.6.3  Feasibility Analysis The feasibility analysis was performed by evaluating
the  cost  of  excavation,  backfill,  treatment,  and  disposal  of  soils  for
concentrations of TCE remaining in the soils between 5 and 660,000 pgAg-  Based
on this analysis,  removing TCE below 1,000 MgAg  in soils was not considered cost
effective for this interim remedial action.
The Navy, USEPA, and FDEP agreed to the 1,000 pgAg action level but also agreed
to place a limit (maximum amount) on the volume of soil to be removed during the
interim remedial action.  An evaluation of existing data indicated that in order
to remove  the  underground structures  and all soils containing TCE above 1,000
       1,100 cubic yards of soil would  require  removal.   Therefore,  a volume
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limit of 1,100 cubic yards was established to  meet  the  Intent of source control
(i.e., manage or remove a source of contamination) with the intention that any
contaminated soils  remaining  onsite will be  evaluated as part of  the  RI and
baseline  risk  assessment.   If  the baseline  risk assessment  indicates that
contaminants remaining in  the soil must be  treated to a lower concentration, this
remedial effort may be accomplished more  effectively by using other treatment
technologies .


2 . 7  DESCRIPTION OF ALTERNATIVES .  Table  2-1 presents a description of the source
control alternatives evaluated for  Site 16.   The  alternatives are numbered to
correspond with the alternatives  provided in  the  FFS report (available at the
Information Repository) .

All alternatives involve  excavation of approximately  100 cubic yards of debris.
Of this debris,  approximately 95  cubic yards are expected  to be porous material
(e.g., concrete),  and the  remainder to be  non-porous debris (e.g., ductile iron
piping).  Additionally, all alternatives include excavation of up to 1,100 cubic
yards of soil.  All alternatives  involve  disposal  of both soils and debris in
either hazardous waste or solid waste landfills.

Evaluation of the  no  action alternative,  typically  required  in a Feasibility
Study, is not necessary in an FFS  because  designation of a cleanup action as an
interim remedial action implies that some action be taken.


2.8  SUMMARY OF COMPARATIVE ANALYSIS OF ALTERNATIVES.

This section evaluates  and compares each of the alternatives with respect to the
nine  criteria  used  to  assess remedial  alternatives  as  outlined  in Section
300.430(e) of the NCP.
2.8.1  Oatecall EEateftBteian  All alternatives would provide an  increased level of
protection of human health and the environment.  Risks are reduced by removing
contaminated soil  and debris from  the  site,  thereby  preventing exposure and
reducing a source of soil and groundwater contamination.

2.8.2  Gojmlt*n&« wd-teh  ARARs  Alternatives  1,  2,  and 3  meet ARARs  for this
interim remedial action.   Alternative 4 does not  comply with applicable laws
concerning offsite  disposal  of RCRA hazardous waste  because the contaminated
soils have been identified to be hazardous according to the RCRA  definition and
must, therefore, be managed  as  a  hazardous waste  (i.e., the soils  may not be
disposed in a solid waste landfill) .  A complete listing of all ARARs  is provided
in* tables  2-2  and  2-3.   No  location  specific ARARs were  identified for this
interim remedial action.

2.8.3  Long-term Effectiveness and Permanence  The  reduction  of risk at Site 16
is permanent for all alternatives because contaminated soil would be removed from
the site.  . Constituents remaining after soil and debris excavation would not pose
a direct -contact hazard and would be  addressed during future  soil and groundwater
remediation if they are determined to pose a risk.
CEC IROO.OU7
FGB~0394

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I?
85
If p
 8
ro
cb
Table 2-1
Alternatives Considered for the Interim Remedial Action at Site 16
Interim Record of Decision
A1MD, Seepage Pit Area, Site 16, OU 7
NAS Cecil Field. Jacksonville, Florida
Alternative
Total Cost
Weeks to
Implement
Activities
Involved
Alternative 1: OfMte Disposal of Soil to
Hazardous Waste Landfill/OrMe Treat-
ment of Debris and Disposal to a Solid
Waste Landfill
$772,000
5
• Clear and prepare the she.
• Excavate debris (holding tank,
seepage pit, bead separator, and asso-
ciated piping).
• Decontaminate porous debris using
abrasive blasting and norvporous
debris using high pressure water
washing.
• Excavate soils with trichtoroethene con-
centrations greater than 1,000 pg/kg.
• Backfill excavated areas with dean fill.
• Transport contaminated soils to a
hazardous waste landffH for disposal.
solid waste landfill Wr disposal.
(blasting residuals from abrasive
blasting and water from high pressure
washing) as a hazardOOs waste.
• Cleanup, grade, and revegetate site.
Alternative 2: Offstte Treatment of
Soil and Disposal to Hazardous
Waste Landfill/OnsKe Treatment of
Debris and Disposal to a Solid Waste
Landfill
$3,133,000
5
• Clear and prepare the site.
• Excavate debris (holding tank,
seepage pit, bead separator, and
associated piping).
• Decontaminate porous debris
using abrasive blasting and
nonporous debris by using high
pressure water washing.
• Excavate soils with trlchloro-
ethene concentrations greater
than 1,000//g/kg.
• Backfill excavated areas with
dean fill.
• Transport contaminated soils to a
hazardous waste management
facility for treatment and
disposal.
• Transport decontaminated debris
to a solid waste landfill for
disposal.
• Dispose of treatment residuals
(blasting residuals from abrasive
blasting and water from high
pressure washing) as a
hazardous waste.
• Cleanup, grade, and revegetate
site.
Alternative 3: Onsfte treatment of soil
and disposal to hazardous waste land-
fill/onsMe treatment of debris and
disposal to a solid waste landfill
$1,466,000
8
• Clear and prepare the site.
• Mobilize thermal treatment unit.
• Excavate debris (holding tank,
seepage pit, bead separator, and
associated piping).
• Decontaminate porous debris using
abrasive blasting and non-porous
debris by using high pressure water
washing.
• Excavate soils with trichloroethene
concentrations greater than 1,000
POAfl-
• Treat soils to the land disposal
restriction treatment standards
using an onstte thermal treatment
unit.
• Backfill excavated areas with dean
fill.
• Transport treated soils to a hazard-
ous waste landfill for disposal.
- Transport decontaminated debris to
a solid waste landfill for disposal.
• Dispose of treatment residuals
(blasting residuals from abrasive
blasting and water from high
pressure washing) as a hazardous
waste.
• Cleanup, grade, and revegetate
site.
Alternative 4: OffsHe Disposal of
Soil and Debris to Solid Waste
Landfill without Prior Treatment
$201.000
5
• Clear and prepare the site.
• Excavate debris (holding tank,
seepage pit, bead separator,
and associated piping) and
contaminated soil (up to 1,100
cubic yards).
• Transport soil and debris to a
solid waste landfill.
• Cleanup, grade, and
revegetate site.
»
See notes at end of table.

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                                                                            Table 2-1 (Continued)
                                                  Alternatives Considered for the Interim Remedial Action at Site 16

                                                                             Interim Record of Decision
                                                                       AIMD, Seepage Pit Area, Site 16, OU 7
                                                                        MAS GseH Reid, Jacksonville, Florida
       Alternative
Alternative 1:  Ofrsfte Disposal of Soil to
Hazardous Waste Landfill/OnsKe Treat-
ment of Debris and Disposal to a Solid
Waste Landfill
          AJterMtv* 2: ©ffstte Treatment of
          Soil and Disposal to Hazardous
          Waste Lsndfill/Qnsito Treatment of
          Debris and Disposal to a Solid Waste
          Landfill
                                    Atternativ* 3: Onstte treatment of soil
                                    and disposal to hazardous waste land-
                                    fill/onsrte treatment of debris and
                                    disposal to a solid waste landfill
                                       Alternative 4: Oftsrte Disposal of
                                       Soil and Debris to Solid Waste
                                       Landfill without Prior Treatment
       Treatment/-
       Removal of
       Debris
ro
o
Assumes that sf,debris removed would
contain RCRA hazardous waste and, there-
fore, must be managed under the RCRA
hazardous waste requirements. The debris
will be excavated and decontaminated
using the treatment technologies deter-
mined to be the most suitable for the de-
bris at Site 16. Abrasive blasting (!•••.
*sand blasting") Is proposed for the porous
debris and high pressure water washing
for the non-porous debris. Decontaminat-
ed debris to be disposed In a solid waste
landfill.
          Contaminated debris would be exca-
          vated, treated, and disposed in the
          manner described for Alternative 1.
                                    Contaminated debris would be
                                    excavated, treated, and disposed in the
                                    manner described for Alternative 1.
                                       Assumes untreated debris would
                                       be placed in a solid waste landfill.
       Treatment/-
       Rojnovalot
       Soils
Assumes that all excavated soils
itain
concentrations of Menloroethene that are
lower than the land disposal restriction
treatment standard for triehtoroethene, and
treatment of the soils Is not required prior
to disposal In a hazardous waste landfill.
Assumes that all excavated soils
contain concentrations of triehtoro-
ethene that aretiteher than the land
disposal restriction treatment stan-
dard for trichloroethene, thus requir-
ing treatment of soils prior to land
disposal. Soil would be transported
and Incinerated at an approved facili-
ty prior to ultimate disposal In a haz-
ardous waste landfill.
Include additional activities to prepare
for use of the onshe thermal treatment
unit, such as: abandoning two
monitoring wells that would Interfere
with construction and removal activi-
ties; securing a permit for onsfte ther-
mal treatment and other necessary
permits prior to Intrusive work; and
constructing a concrete pad for staging
of the thermal treatment unit.
As with the debris, Alternative 4
assumes that untreated soils
would be placed in a solid w£ste
landfill.
              j/g/kg = micrograms per Wtegrarn.
              RCRA * Resource Conservation and Recovery Act.

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V
                                                                                Table 2-2
                                                Synopsis of Potential Federal and State Chemical-Specific ARARs

                                                                         Interim Record of Decision
                                                                    AIMD. Seepage Pit Area. Site 16, OU 7
                                                                     MAS Cecil Held. Jacksonville. Florida
              Federal Standards and
                 Requirements
                 Requirements Synopsis
          Consideration in the Remedial Response Process
          Safe Drinking Water Act
          (SDWA), National Primary and
          Secondary Drinking Water
          Standards, Maximum Contami-
          nant Levels (MCLs and SMCU)
          and MCL Goals (MCLGs);
          [40 FR Part 141]
          Chapter 17-520, FAC,
          Rorida Water Quality
          Standards. May 1990
          Chapter 17-775, FAC, Florida
          Soil Thermal Facilities
          Regulations, December 1990
MCLs and MCLGs promulgated under the Safe Drinking Water
Act (SDWA) National  Primary Drinking Water  Standards, are
federally enforceable  standards for specific contaminants In
public water distribution systems. These standards are protec-
tive of human health for Individual chemicals.  MCLGs that are
not zero are usually ARARs for groundwater that Is a potential
or current source of drinking water;  where MCLGs are not
available or are equal to zero, MCLs are often the required
standard.

This chapter establishes the groundwater classification system
for the State and provides  qualitative  minimum criteria for
groundwater based on the classification.  This rule adopts the
Federal primary and secondary drinking water standards and
establishes some State standards that are more stringent than
Federal standards.  Uke Federal MCLs. these standards are
considered ARARs for cleanups of groundwater that is a current
or potential source of drinking water.

Chapter 17-775.400, FAC, provides chemical standards for soil
treated In a thermal treatment unit. This rule was promulgated
to regulate the thermal treatment of petroleum contaminated
soil.
Relevant and Appropriate.  Although this FFS is restricted to the soil
medium, chemical-specific ARARs for groundwater are provided because
action levels for soil  are  based on a leaching model that considers
leaching from soil to groundwater.  MCLs and MCLGs for groundwater
will become guidance for calculating soil action levels.
Applicable. Although this FFS is restricted to the soil medium, chemical-
specific ARARs for groundwatar are provided because action levels for
soil are based on a leaching model that considers leaching from toll to
groundwater.  MCLs and MCLGs for groundwater will become guidance
for calculating soil action levels.
Relevant and Appropriate.  Currently, no chemical-specific ARARs have
been promulgated for soils.  However, the State of Rorida has developed
dean soil levels for soils treated In a thermal unit Although soils at Site
16 are not petroleum contaminated, these standards may be relevant and
appropriate requirements for remediation of contaminated soils with the
constituents regulated In this rule.
          Notes:   ARARs = applicable or relevant and appropriate requirements.
                  CFR = Code of Federal Regulations.
                  FAC - Rorida Administrative Code.
                  FFS = focused feasibility study.
                  SMCL = secondary maximum contaminant level.
                                                        MCL - maximum contaminant level.
                                                        MCLG * maximum contaminant level goal.
                                                        MAS -  Naval Air Station.
                                                        SDWA = Safe Drinking Water Act.

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m
m
to


ro





Federal Standards and
Requirements
CAA. National Ambient Air
Quality Standards (NAAQS),
[40 CFR Part 50]










CAA, New Source Performance
Standards (NSPS) [40 CFR Part
60]



Chapter 17-2, FAC. Rorida Air
Pollution Rules, September
1990



RCRA, Closure and Post-Clo-
sure [40 CFR Subpart G,
264.110-264.120]


Table 2-3
Synopsis of Potential Federal and State Action-Specific ARARs
bitorim Record of Decision
AIMD, Seepage Pit Area. Site 16, OU 7
NAS Cedl Reid. Jacksonville, Rorida
Requirements Synopsis Consideration in the Remedial Response Process

Establishes primary (hearth based) and secondary (welfare based) Applicable. Site remediation activities must comply with NAAQS.
standards for air quality for carbon monoxide, lead, nitrogen dioxide, The most relevant pollutant standard Is for paniculate matter less
paniculate matter, ozone, and sulfur oxides. than 10 microns in size (PMIO) as defined in 40 CFR Section 50.6.
The PM,0 standard is based on the detrimental effects of paniculate
matter to the lungs of humans. The PM,0 standard for a 24-hour
period is 150 mlcrograms per cubic meter ^jg/m ) of air, not to be
exceeded more than once a year. Remedial construction activities
such as excavation will need to include controls to ensure compli-
ance with the PM,e standard. The attainment and maintenance of
primary and secondary NAAQS are required to protect human health
and welfare (wildlife, climate, recreation, transportation, and econom-
ic values). These standards are applicable during remedial activities,
such as soil excavation and Incineration, that may result In exposure
to hazardous chemicals through dust and vapors.
This regulation establishes new source performance standards Applicable. Because NSPS are source-specific requirements, they
(NSPS) for specified sources, Including Incinerators. This rule are not generally considered applicable to CERCLA cleanup actions.
establishes a paniculate emission standard of 0.08 grains per dry However, an NSPS may be applicable for an Incinerator; or a
standard cubic foot corrected to 12 percent carbon dioxide for relevant and appropriate requirement If the pollutant emitted and the
sources. technology employed during the cleanup action are sufficiently
similar to the pollutant and source category regulated.

i nis iiii9 wvuuHiwim pvimiuiny iwquii vi i ran ui iw ownvi* or opvienoi* AppHMpw. i nra ruiw vnvotranv* pfjiini 111119 nKjuirwmaniB ror owners
of any source emitting any air pollutant. This rule also establishes and operators of any source emitting air pollutants, tt onsfte thermal
ambient air quality standards for sulfur dioxide, PM10, carbon treatment is the preferred remedial alternative, the substantive
monoxide, and ozone. requirements of this rule are applicable for the thermal treatment
unit Part II of this rule establishes ambient air quality standards for
sulfur dioxide, PM,e, carbon monoxide, and ozone.
This regulation details general requirements for closure and post- Applicable. This is a requirement for remedial alternatives Involving
closure of hazardous waste facilities, Including installation of a the closure of a hazardous waste site. However, the 4,100-gallon
groundwater monitoring program. holding tank Is being removed in accordance with the facility's RCRA
Part B permit. Because of tills, the closure and post-closure process
described in this rule is an applicable requirement for tank closure.
See notes at end of table.

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  i
  -J
CJ
Table 2-3 (Continued)
Synopsis of Potential Federal and State Action-Specific ARARs
Interim Record of Decision
AIMD, Seepage Pit Area, Site 16, OU 7
MAS Cecil Reid, Jacksonville, Florida
Federal Standards and
Requirements
RCRA, Treatment Standards for
Hazardous Debris [40 CFR Part
268.45]
RCRA, Standards for Owners
and Operators of Hazardous
Waste Treatment, Storage, and
Disposal Facilities [40 CFR Part
264]
RCRA, Incinerators [40 CFR
Subpart 0. 264.340-264.599]
Chapter 17-775. FAC.
Florida Soil Thermal Facilities
Regulations
Requirements Synopsis
This rule defines and established treatment standards for hazardous
debris. The debris (tanks, bead separator, and lines) may be
classified as hazardous debris if It Is contaminated with RCRA listed
wast* that has LDR standards or with waste that exhibits a toxic
characteristic. Five options for management of hazardous debris are
currently available: (1) treat the debris to performance standards
eMtaltlleihawl In thl* nilei fhmiinh ruiat nf 17 •nnmuevl tAr4innlrw*ilsiKft t9\
obtain a ruling from USEPA that the debris no longer contains
rnir*r'p"t debris, (3) treat the debris using a technology approved
ttirough an "equivalent technology demonstration,* (4) treat the
contaminated debris to existing LDR standards for wastes contami-
nating the debris and continue to manage under RCRA Subtitle C, or
(5) dispose of debris in a Subtitle C landfill under the generic exten-
sion Of the capacity variance for hazardous debris, which currently
expires on May 8, 1994.
This rule establishes minimum national standards which defining the
acceptable management of hazardous wastes for owners and
operators of facilities that treat, store, or dispose of hazardous
wastes.
This regulation specifies the performance standards, operating
requirements and monitoring, Inspection, and closure guidelines for
any incinerator that manages hazardous waste.
This rule establishes criteria for the thermal treatment of petroleum-
or petroleum product-contaminated soils. Guidelines for manage-
ment and treatment of soils to levels that prevent future contamina-
tion of cither soils, groundwater, and surface water are provided.
Chapter 17-775,300, FAC, provides permitting requirements for soil
thermal treatment facilities. This section states that soil must be
screened or otherwise processed In order to prevent soil particles
greater than 2 inches In diameter from entering the thermal treatment
unit TKIs rale further outlines procedures for excavating, receiving,
handling, and stockpiling contaminated soils prior to thermal treat-
ment in both stationary and mobile facilities.
Consideration in the Remedial Response Process
Applicable. Under CERCLA, removal of contaminants from debris by
decontamination and replacing the debris within an Area of Concern
(AOC) is permitted. As long as movement of waste is conducted
within the AOC and outside of a separate RCRA unit, placement of
wastes have not occurred and, therefore, LDRs are not triggered.
However, If the debris Is determined to be hazardous, and placement
Is determined to occur, one of the five listed options must be
selected for management of the hazardous debris.
Applicable. If remedial actions Involve management of RGRA wastes
at an offstte treatment, storage, or disposal unit, or management of
RCRA wastes at an onstte incinerator, the substantive requirements
of this rule would be an ARAR.
Applicable. These requirements are applicable for remedial actions
involving the offstte incineration of RCRA-regulated wastes. These
requirements are relevant and appropriate for remedial actions
Involving the performance, operating, and monitoring requirements
for onstte thermal destruction of CERCLA wastes.
Relevant end Appropriate. This requirement Is not applicable to
soils classified as hazardous which are not petroleum contaminated.
However, it may be a relevant and appropriate requirement for soils
contaminated with constituents that are significantly similar to the
organic and inorganic constituents regulated under this rule.
See notes at end of table.

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                                                                 Table 2-3 (Continued)
                                         Synopsis of Potential Federal and State Action-Specific ARARs

                                                                 Interim Record of Decision
                                                            AIMD. Seepage PH Area, Site 16. OU 7
                                                             NAS Cedl Reid, Jacksonville, Florida
    Federal Standards and
        Requirements
                    Requirements Synopsis
        Consideration In the Remedial Response Process
RCRA, Manifest System.
Reeordkeeping, and Reporting
[40 CFR Part 264, Subpart E]
This rule outlines procedures for manifesting hazardous watte for
owners and operators of onstte and offsKe facilities that treat, store,
or dispose of hazardous waste.
           These regulations apply if a remedial alternative involves
the offsHe treatment, storage, or disposal of hazardous waste.  For
remedial actions Involving onstte treatment or disposal of hazardous
waste, these regulations are applicable.
Hazardous Materials Transpor-
tation Act (49 CFR Parts 171,
173,178. and 179) and Hazard-
ous Materials Transportation
Regulations

RCRA. Standards Applicable to
Transporters of Hazardous
Waste [40 CFR Part 263
Subparts A - C, 263.10-263.31]

RCRA, Standards Applicable to
Generators of Hazardous Waste
[40 CFR Part 262. Subparts A -
0, 262.10-262.44]


RCRA. Identification and Listing
of Hazardous Waste [40 CFR
Part 261, 261.1-261.33]
RCRA, Land Disposal Regula-
tions (LDRs); [40 CFR Part 268]
These regulations outline procedures for the packaging, labeling,
manifesting, and transporting of hazardous materials.
This rule establishes procedures for transporters of hazardous waste
within the Untied States H  the transportation  requires a manifest
under 40 CFR Part 262.
These rules establish standards for generators of hazardous wastes
that address:  accumulating waste, preparing hazardous waste for
shipment, and preparing the uniform hazardous waste manifest
These requirements are integrated with Department of Transportation
(DOT) regulations.

This rule defines those solid wastes that are subject to regulation as
hazardous wastes under 40 CFR Parts 262-265.  The  applicability of
RCRA regulations to wastes found at a site Is dependent on the solid
waste meeting  one of the following criteria:  (1) the wastes  are
generated through a RCRA listed source process, (2)  the wastes are
RCRA-listed  waste from a non-specific source,  or (3) the waste Is
characteristically hazardous due to IgnttabllKy, corrosltivity, reactivity,
or toxidty.

This rule establishes restrictions for the land disposal  of untreated
hazardous wastes and provides treatment standards for these land-
banned  wastes.   Under this rule, treatment standards have been
established for most listed hazardous wastes
Applicable. For remedial actions involving offsfte disposal, contami-
nated materials  would need to be  packaged, manifested,  and
transported to a licensed offsKe disposal facility in compliance with
these regulations.
Applicable. If a remedial alternative involves offsKe transportation of
hazardous waste for treatment and/or disposal, these requirements
must be attained.
Applicable.  If an alternative involves the offstte transportation of
hazardous wastes, the material must be shipped In proper containers
that are accurately marked and labeled, and the transporter must
display proper placards.  These rules specify that all hazardous
waste shipments must be accompanied by an appropriate manifest.

AppHeeUe. Contaminated soils at OU 7 have been classified as F-
listed wastes and are, therefore, subject to regulation under this rule. „
Applicable. Contaminated soils at OU 7 have been classified as F-
tisted wastes (specifically F001 wastes) and are, therefore, subject to
regulation under this rule. However, because no treatment standards
are available  for F001 wastes, the concentrations of these  listed
wastes  In  the  extract (using the standard  leaching  procedure
method) must be compared to Table CCCE of this rule to determine
if the soils are restricted to land disposal.  H It is determined that the
soils at OU 7 are subject to these regulations, then the soils must be
treated prior to disposal in an RCRA Subtitle C landfill.
See notes at end of table.

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                                                                         Table 2-3 (Continued)
                                                  Synopsis of Potential Federal and State Action-Specific ARARs

                                                                          Interim Rocord of Decision
                                                                     AIMO. Seepage Pit Area. Site 16, OU 7
                                                                     MAS Cecil Reid, Jacksonville, Rorida
             Federal Standards and
                 Requirements
                                                   Requirements Synopsis
                                                                       Consideration In the Remedial Response Process
to
RCRA, Contingency Plan and
Emergency Procedures [40
CFR Subpart D, 264.30-264.37]

Occupational Safety and Health
Act (OSHA), General Industry
Standards [29 CFR Part 1910]

OSHA, Recordkeeping, Report-
ing, and Related Regulations
[29 CFR Part 1904]


OSHA, Health and Safety Stan-
dards [29 CFR Part 1926]


RCRA, Preparedness and Pre-
vention [40 CFR Part 264,
Subpart C]
         Chapter 17-736, FAC,
         Rorida Rules on Hazardous
         Waste Warning Signs, July
         1991
                                        This  regulation  outlines the requirements for  procedures  to  be
                                        followed In the event of an emergency such as an explosion, fire, or
                                        other emergency event

                                        This act requires establishment of programs to assure worker health
                                        and safety at hazardous waste sites, Including employee training
                                        requirements.
                                        Provides recordkeeplng and reporting  requirements applicable to
                                        remediation activities.
Specifies the type of safety training, equipment, and procedures to
be used during site Investigation and remediation.


This regulation outlines requirements for safety equipment and spill-
control for hazardous waste facilities.  Facilities must be designed,
maintained, constructed, and operated to minimize the possibility of
an  unplanned release that could threaten  human health  or the
environment

Requires warning signs at NPL and FDEP (formerly FDER) identified
hazardous waste  sites  to  inform  the public of the presence of
potentially harmful conditions.
Relevant end Appropriate.  These requirements are relevant and
appropriate  for remedial actions Involving the management of
hazardous waste.

Applicable.  Under 40  CFR 300.38, requirements apply to all re-
sponse activities under the NCP. During remedial action at the site,
these regulations must be maintained.

Applicable.  These requirements apply to all site contractors and
subcontractors and must be followed during all site work.  During
remedial action at the site, these regulations must be maintained.


Applicable.  All phases of the remedial response project should be
executed in compliance with this regulation.  During remedial action
at the site, these regulations must be maintained.

Applicable.   Safety  and communication equipment should  be
incorporated into all  aspects  of the remedial process and local
authorities should be familiarized with site operations.
                                                                                              Applicable. This requirement is applicable for sites that are on ttie
                                                                                              NPL or that have been identified by the FDEP as potentially harmful.
         Notes:  NAS * Naval Air Station.
                NCP = National Contingency Plan.
                CAA - Clean Air Act
                CERCLA = Comprehensive Environmental Response, Compensation, and Liability Act.
                CFR = Code of Federal Regulations.
                OU = Operable Unit
                USEPA = U.S. Environmental Protection Agency.
                                                                                       FAC = Rorida Administrative Code.
                                                                                       FDEP = Rorida Department of Environmental Protection.
                                                                                       NPL •= National Priorities Ust
                                                                                       RCRA = Resource Conservation and Recovery Act.
                                                                                       FDER * Rorida Department of Environmental Regulation.
                                                                                       LDRs - Land Disposal Restrictions.

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2.8.4  Reduction of Toxicitv. Mobility, or Volume of the Contaminants Alternative
1 would achieve significant and permanent reduction in toxicity, mobility, and
volume of  contaminants on  debris  only.   Toxicity,  mobility, and  volume of
contaminants in soils  would be reduced onsite but would be transferred to an
offsite landfill.   Alternatives  2 and  3 would  result  in  a  significant and
permanent reduction of mobility,  toxicity, and volume  for both  soil and debris.
Alternative 4 would  reduce  toxicity,  mobility, and volume of contaminants of
soils and debris onsite, but would be transferred to an offsite land disposal
facility.

2.8.5  Short-Term Effectiveness Dust control would be required during excavation
of soil.   Volatilization of the contaminants would be monitored and controlled
during excavation and transport.  Alternative 3 would require that air emissions
be monitored during onsite thermal  treatment.

2.8.6  lapleaentab 11 ity  Alternatives 1, 2,  and 4 use  technologies  that are
relatively easy to implement and are readily  available.   Alternative 3 would
require a demonstration of effectiveness prior to full-scale operation.  Approval
by the FDEP and USEPA would  also  be required prior to  onsite  thermal treatment.
Accomplishing both the test and gaining  regulatory  approval could jeopardize
meeting the June 4, 1994, tank removal deadline and, therefore,  Alternative  3 is
not as implementable as Alternatives 1, 2, or 4.

2.8.7  Cost  The range of cost  for  the two preferred alternatives (Alternatives
1 and 2)  is $772,000 to $3,133,000.  A range is provided because the volume of
soils requiring treatment is not known at this time.  The lowest cost alternative
is Alternative 4,  which does not  comply with applicable laws  concerning off site
disposal of RCRA hazardous waste.  The most expensive alternative is Alternative
2 because all soil is treated under this alternative and  incineration (thermal
treatment) is costly.

2,8.8  State and Federal Acceptance  The FDEP and USEPA have  concurred with the
selected remedy.

2.8.9  Community Acceptance   The community has  accepted the selected remedy.
Comments received  during the public comment period did not alter the selected
remedy.   A summary  of comments received is in  Attachment  A, Responsiveness
Summary.   In general, the comments  supported the  selected alternatives and the
expedient  implementation  of  the  interim  remedial  action.   Other  comments
suggested that the Navy consider  alternative methods,  other than sand blasting,
to decontaminate the non-porous  debris  and alternative disposal locations for
decontaminated debris  (i.e.,  dispose of decontaminated  tanks  in  the ocean to
create an artificial reef).


2.9  SELECTED REMEDY.  The preferred alternative  for source  control at Site 16
is a combination of Alternatives  1  and 2.  The combination of these alternatives
would meet the LDR requirements as  well .as the RCRA permit requirement to remove
the tank by June 4, 1994.   Selection of Alternative 3 would  jeopardize meeting
the regulatory deadline for removal of the tank.  Alternative 4 would not  meet
the requirements for disposal of a hazardous waste.

The Navy estimates  that the preferred alternative would cost between $772,000 and
$3,133,000 and would take 5 weeks  to implement.

CECJROO.OU7
FGB703.94                                2-16

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2.1.0 SiEAiEECTMg  j?*ffWf'I'Hiih'Mi^W'-    T5h«  i-nfee'r-in  EMiedial  act-ion  selected  for
implementation  at  Site  16 is  eonsistent with SERGLA and the NGP.  The selected
remedy is protective of human health and the environment,  attains  ARARs,  and is
cost effective.  The selected remedy also satisfies the statutory preference for
treatment that  permanently and significantly reduces the mobility, toxicity or
volume  of hazardous  subst-a
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    ATTACHMENT A




IESPONSIVENESS SUMMARY

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                                                      Responsiveness Summary

                                            SKe 16 Source Control Remedial Alternatives

                                                           MAS Cecil Raid, Rorida
                               Comment
                            Rtsponsa
Utter from Nmtor H. Bwtotto te Gomnwndlna Officer. NAS C*d FWd
                        12/27/93
Gentlemen,
In regards to the removal of the underground storage tank, after this tank has been
cleaned K could be dropped in the ocean for a fish reef, instead of using space In
a landfill.

                       Thank you,
                       Nestor H. Bertotto
                       5825GR352
                       Keystone Hts., R. 32656
The Navy recognizes the validity In your suggestion as there are cases In
which discarded tanks are being used as reefs In the ocean.  The tanks
being removed from Site 16 are concrete and will be broken up during the
excavation process and subsequent treatment to remove the outer surface.
For bidding purposes, the Navy will Instruct contractors to dispose of
treated debris into a Subtitle D landfill; however, contractors may propose,
and the Navy will consider, alternative means of disposal as long as they
meet current regulations.
904-473-9130

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                                                              Responsiveness Summary

                                                    Site 16 Source Control Remedial Alternatives
                                                                   MAS Cedl Raid, Florida
                                  Comment
                                  Response
Letter from Steven W. Haertar to Commanding Officer. NAS Ced FMd

ATT: Public Affaire Officer                     DEC 19,1993
                         1836 S. 3rd St. Unit 113
                         Jax Bch FL 32250
Commanding Officer
NAS Cadi Held
P.O. Box 111
Jax. FL 32215

Dear Military Professional,

I read with great dismay your advertisement soliciting public comment about
landfilling solvent contaminated materials.  Instead of wasting taxpayer money getting
opinions and holding hearings, why not just get on with it? There is no question that
the best place for unwanted materials Is in a properly constructed landfill (with liner
and leachate treatment).  There is no question that removal from its current site
should mitigate groundwater contamination.

What is seriously questionable about your plan is your intent to further process
removed materials prior to disposal. Abrasive blasting is not only expensive, but
extremely messy. I have never seen a blasting operation that didnt spread unwanted
materials to places that were unintended. What will you do with blasting residue
anyway? Certainly It belongs In the landfill, too. It simply makes no sense to pay to
separate materials that you Intend to put In the same place, eventually.

Instead of expending your management skills on public comment, why not use them
to obtain an exception to land disposal restriction treatment standards?" It Is simply
ludicrous to attempt to dean concrete with abrasive blasting, only to spread the
contaminant around In the landfill to reduce Its concentrations.  You will be unneces-
sarily exposing workers to the contaminants; you will be wasting fuel and materials;
and you will Inevitably lose some of the contaminants which you presently have In a
'captured* state.

Please help to reduce the military budget by using some 'common sense.*

                         Very truly yours,
                         Steven W. Master
The Comprehensive Environmental Response, Compensation, and Liability Act of
1980 (CERCLA) established statutory requirements for a process for documenting
Superfund remedial action decisions. Public participation has not always been a
requirement; however, CERCLA Section 117 requires that the Proposed Plan,
Remedial Investigation/Feasibility Study p/FSJ report, and administrative record file
be made available to the public. CERCLA requires that the public be provided with
a reasonable opportunity to submit written and oral comments on the Proposed
Ran.  By scheduling public meetings and allowing the public to provide comments,
the Navy Is In compliance with CERCLA.

In August 1992, the rule entitled Land Disposal Restriction for Newly Listed Waste
and Hazardous Debris was promulgated.  This rule, referred to as the Debris Rule,
established treatment standards under the land disposal restrictions (LDR) program
for certain hazardous wastes and also established treatment standards for hazardous
debris. There is a capacity variance in place until May 8,1994, that allows for the
disposal of untreated debris in a hazardous waste landfill (RCRA Subtitle C).
However, the variance is not applicable to debris contaminated with F001 through
F005 listed wastes. The concrete tanks at Site 16 are contaminated with solvents
characterized as FQ01 wastes.  As such, the debris must be treated to performance
standards established in the Debris Rule using 1 of 17 approved technologies. One
of the approved technologies for concrete, a porous debris, Is abrasive blasting.

The treated concrete can be disposed in a solid waste landfill (RCRA Subtitle D). A
Subtitle D landfill accepts non-hazardous waste such as household garbage.
Disposal Into a Subtitle D landfill Is significantly less expensive than disposal into a
Subtitle C landfill.

Abrasive blasting Is an effective means to remove the surface of concrete and in this
case It Is more economical than some other technologies that are available.  It is less
expensive to abrasively blast the concrete and send the residuals to a Subtitle C
landfill and the treated concrete to a Subtitle D landfill than to send all of the
untreated concrete to a  Subtitle C landfill.

Blasting activities will take place In a temporary endosed area to prevent the spread
of residuals Into the environment Workers will be required to meet all applicable
Occupational  Safety and Health Administration (OSHA) regulations.

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                                                     Responsiveness Summary

                                           Site 16 Source Control Remedial Alternatives
                                                          NAS Cedl Reid, Rorida
                                Comment
                          Response
Utter from Jim Salem to the Gommamfing Officer. NAS Ced FMd

Dear Commanding Officer.

My name is Jim Salem.  I live at 3934 Main St In MkMleburg, FL  I was bom and
raised in Jacksonville. R.

K seems to me every time I read something In the newspaper about the Naval Bases
it has to do with contamination of our soil and groundwater.

I often wonder lust how much contamination the Navy has done to our soil and
groundwater that's gone unnoticed in the past fifty years.

I know many retired and currant Navy personnel In this area. They all tell me the
same thing. Quote, "There's no telling how much or what the Navy has dumped
over the years illegally.*

I don't know if it was pure stupidity or a lack of caring by the people giving the
orders. I suspect it was stupidttvl

In Middleburg not only do we have to put up with your contamination, we have to
put up with your noise pollution.

You dont know how much the Navy Is cussed when we cant hear each other talk
because of the  very  low flying jets.

I am so glad Cecil Reid is dosing and pray K closes earlier than projected.

No offense, I just want to drink dean water from my well and save my hearing for
the future.
The Navy recognizes your concern about contamination in the ten
and groundwater and respects your right to question past and
current practices at NAS Cedl Reid. Much of what Is eonslSerei
unsafe today was not only accepted practice at the time, bJt was the
recommended practice.

The Navy acknowledges the problems at Cedl Reid and Is prepared
to identify and address all sites that pose a potential risk to human
health and the environment.  Because Cedl Reid Is scheduled fifbe
dosed under the Base Realignment and Closure, the remedial
activities are on an accelerated schedule.

Noise pollution is a concern near any airport and is an unfortunate
byproduct of aviation.  H you have serious concerns about the nffis«
and its effect on your hearing, you may contact Mr. Burt Byers, C~
Cedl Reid Public Affairs Officer, to discuss the issue.
                        Sincerely,
                        Jim Salem

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TO

I?

§
          Responsiveness Summary

Site 16 Source Control Remedial Alternatives

               NAS Cecil Reid, Florida
                                                    Comment
                                                           Resporjse
                   Letter from Timothy Rudolph. P.E., to Commanding Officer. NAS Cod Field

                   24 January, 1994

                   Commanding Officer
                   NAS Cecil Reid
                   P.O. Box 111
                   Jacksonville, FL 3221 5
                   Attn: Public Affairs Officer

                   Dear Officer,

                   I am writing to provide comments on the Installation Restoration Program (IRP) Site
                   16 Interim Remedial Action at NAS Cecil Reid.  I have attended the last two public
                   hearings on this remedial action. The proposed action appears good and I am glad
                   to see some work about to be done.  The sooner the Navy gets the dean up work
                   done the better.

                   The concrete tank Is proposed to be sand blasted and the blast debris disposed of
                   as a hazardous waste. Large quantity hazardous waste generators are required to
                   minimize hazardous waste generation.  The 6 mm concrete removal could be done
                   by mechanical methods that would reduce the amount of hazardous waste genera-
                   tion.

                   I look forward to seeing more Navy IRP sites cleaned up in the near future.

                   Please call me at 247-0335 If you have any questions. I look forward to seeing the
                   work completed.

                                            Sincerely,
                                 The Navy appreciates that you have taken the time to attend the last
                                 two public meetings and are aware of the proposed action and the
                                 reasons for it.

                                 Sand blasting of the concrete tanks is an effective method to remove
                                 the outer surface.  Hazardous residuals will be generated during the
                                 process. Although mechanical meftods would reduce the quantity
                                 of waste generated, implementing a mechanical removal would be
                                 difficult because the tanks will be broken up as they are excavated.
                                 However, the Navy will evaluate all proposed treatment methods
                                 during the bid review process.
                                           Timothy Rudolph, P.E.
                                           

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s§
mp
           Responsiveness Summary

Site 16 Source Control Remedial Alternatives

               MAS Cecil Field, Florida
                                   Comment
                                                  Response
            QUESTIONS FROM THE PUBLIC MEETING

            How do you propose to do the sandblasting?



            How much soil is there that you plan to remove?
            Why does it cost more to treat the contaminated soil offsite
            than it does onsHe?

            Are you planning to test as you go? In other words, let's
            say you take out several cubic yards of soil and you fill one
            of these large trucks. Are you going to take a sample from
            each truck or are you going to take a sample on a daily
            basis or - to determine that you're under the 5.6 parts per
            million?

            The soil, is it going to a regular, permitted facility for bum-
            ing, I suppose?
            It wouldn't necessarily be incinerated, though. It would just
            have to be treated.

            Did you do any checks for dioxin?
            Has this reached the groundwater?

            Well, how are you going to dean the water up?



            How long is that process going to take, approximately?
     Sandblasting will be done onsHe.  The Contractor will submit a plan for Na& afjSroval detailing theVproppeed
     method for sandblasting.  The Contractor will have to install a temporary efeaTOd area in which to^smndblist
     to prevent the spread of blasting residuals into the  environment          :

     The Navy, USEPA, and the State have agreed on a soil volume ct/p eM.lC&cwWc yards. Excavation of up to
     1.100 cubic yards will remove the majority of the contaminated sil. Ahy remaining contaminated ieHwft) be
     addressed In the overall feasibility sttidy.

     The precautions needed to safely transport contaminated media on public roads Increases transportation
     greatly.

     An onstte gas chromatograph will be feed to analyze soil samples as excavation proceeds. Other ssampHrig
     requirements will be set by the disposal facility.
     Soils above the treatment standards j&t by Federal UiW will require treatment before disposal. The treatment
     standard for trichloroethene (TGE) tsfle parts per rrimfon. If soils contain TGE concentratiSm above that; they
     will be treated first and then transported to a RCRA permitted facility for disposal.
     Correct. Other treatment techi
'can be used to reach regulatory levels.
     Not at this site.  Dioxin is not an animated contaminant at this site; however, dioxin testing:would be done as
     part of an offsite disposal operation.

     Contamination has been found in the surfidal aquifer below this site.                                     '

     The site is still in the Investigative stage.  Once the investigation is complete, a risk assessment will be
     performed to determine H risks are associated with the sits. Next, a feasibility study will be performed to
     evaluate different cleanup alternatives.

     The feasibility study for this site is due In the spring of '95.

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            UNITED STATES ENVIRONMENTAL PROTECTION AGENCY j
           .•  •.   . .   - ••••^v. \;^--^;-.r:v5,--.-..,.-vx;..•::-••'.••  •••:•,,*'
™            ""~   "         REGION IV '^:='. -    , •••."••;•:•;_,
                        345 COURTLAND STREET. N.E.
                         ATLANTA. GEORGIA 3O365

4WD-FFB                   »R 3 11994

CERTIFIED  MAIL
RETURN RECEIPT REQUESTED

Captain  Sam Houston
Commanding Officer, HAS Cecil  Field
P.O. Box 108 (Code  00)
Cecil Field,  Florida  32215-0108

SUBJ:  Cecil Field  Site 16

Dear Captain Houston:

     The Environmental' Protection Agency (EPA) has received and
reviewed the final  Interim  Record of Decision (IROD) for the
seepage  pit area, also known as  site 16.   EPA concurs with the
Navy's decision as  set forth in  the IROD dated March 1994.  This
concurrence is with the understanding that the proposed action is
an interim action and the need for any future or final remedial
action will be addressed following the completion of the Baselin~
Risk Assessment (BRA).

     By  providing concurrence  on this plan,  EPA does not warrant
technical  adequacy  as set forth  or implied in the IROD.
Additionally,  EPA concurrence  does not implicitly or expressly
waive any  of EPA's  rights or authority.

     EPA appreciates  the opportunity work with the Navy on this
site and other sites  at Cecil  Field.  Should you have any
questions,  or if BPA  can 'be of any assistance, pl«a«e contact Mr.
Bart Reedy of my staff at the  letterhead address or at
(404) 347-3016.
                                 Sincerely,
                                 Patrick M. Tobin
                                 Deputy Regional Administrator
cc:  Mr. James Crane,    FDEP
     Mr. Eric Nuzie,     FDEP
     Mr. Michael Deliz,  FDEP
     Mr. Alan Shoultz,   SouthDiv

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