Appendix M: Installation Narrative Summaries - denix

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Carswell Air Force Base (AFB) housed the 7th Bombardment
Wing, 436th Training Squadron and Detachment 1, and the
1365th Audiovisual Squadron. In July 1991, the BRAC
Commission recommended closure of Carswell AFB. The
installation closed in FY93, but approximately 1,900 acres were
reactivated in FY94 after the BRAC Commission recommended
its realignment as a Joint Reserve Base (JRB). The Air Force
Real Property Agency (AFRPA) is responsible for restoration
activities on the BRAC property, and the Air Force Center for
Environmental Excellence is responsible for restoration
activities on the JRB property. Studies have identified the
following site types at the installation: underground storage
tanks, landfills, fire training areas, waste burial areas,
contaminated groundwater plumes, contaminated ditches, and
oil-water separators. The primary contaminants are petroleum
hydrocarbons in groundwater, surface water, sediment, and soil
and trichloroethylene (TCE) in groundwater and soil. The
installation uses both BRAC and Environmental Restoration
(ER) account funds to reach cleanup goals. The installation
formed a BRAC cleanup team (BCT) and a Restoration
Advisory Board (RAB) in FY94. In FY01, the decision document
in support of attainment of the land reuse implementation plan
milestone was completed. The installation completed a 5-year
review in FY06.
To date, all remedial actions (RAs) have been completed at
sites on the golf course and the recreational vehicle family
camping site. Remediation of sites located within the active
base were transferred to the ER program. To date,
approximately 195 acres have been transferred to the local
redevelopment authority (LRA). The cleanup progress at
Carswell AFB for FY02 through FY05 is detailed below.
In FY02, a permeable reactive barrier was installed in order to
reduce or eliminate contaminated groundwater flow onto BRAC
property. The focused feasibility study (FFS) for the remediation
of the TCE plume was completed and submitted for review. The
final draft RCRA/Hazardous and Solid Waste Amendment
permit renewal was approved and modified to include closure of
all BRAC sites. The installation initiated a project to convert the
clearance certification for the off-base weapons storage area
(WSA) explosive ordnance disposal (EOD) area from
agricultural to residential.
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In FY03, the final draft finding of suitability to transfer (FOST)
and supplemental environmental baseline survey for transfer of
the WSA was completed.
In FY04, AFRPA reviewed current remedies installed to
address the nearby Air Force Plant (AFP) No. 4 TCE plume and
found those remedies sufficient to meet goals. The installation
began the RA on the sanitary sewer system. A geophysical
clearance survey of the WSA EOD range identified areas that
could contain ordnance items; ordnance items were visually
identified along a creek bed adjacent to the EOD range area.
Additionally, the preliminary assessment and site inspection
(PA/SI) indicated elevated radiation levels at a former storage
bunker at the off-base WSA. AFRPA conducted an inventory of
Military Munitions Response Program (MMRP) sites and
identified MMRP sites on the BRAC portion of the installation.
In FY05, AFRPA investigated the radioactive contamination in
the bunker at the off-base WSA. AFRPA also transferred
approximately 37 acres to the LRA. In addition, completion of
the FFS for the AFP No. 4 TCE plume was coordinated with the
federal and state regulators. The regulators agreed to consider
an explanation of significant differences (ESD) to the AFP No. 4
Record of Decision for the remedies proposed in the FFS, to
support an operating properly and successfully (OP&S)
determination and transfer of the property to the LRA. The
installation discussed finalizing the completion of property
transfer with the Navy. The installation completed the RA on the
sanitary sewer system. Additionally, the installation awarded a
contract for clearance of potential munitions and explosives of
concern (MEC) located within the WSA property. AFRPA began
evaluating requirements at MMRP sites at this installation. The
RAB and BCT each met three times.
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Federal regulators and the Air Force Safety Center (AFSC)
accepted the PA/SI report for radiation at the off-base WSA; no
further action is required at the site. Regulators approved the
FFS for the AFP No. 4 TCE plume. The installation completed
the first 5-year review and submitted it to regulators. Regulators
approved closure of the sanitary sewer system. The installation
submitted a draft ESD, a draft FOST, and the OP&S
determination report for the AFP No. 4 TCE plume to
regulators. Regulatory issues delayed the transfer of 187 acres
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to the LRA; the property will be transferred following regulator
approval of the ESD, FOST, and OP&S determination report.
Discussions with the Navy to transfer property continued.
The The RAB and BCT each met three times.
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The installation completed MEC clearance activities on the
WSA and prepared a report for submittal to regulators, the
AFSC, and Department of Defense Explosives Safety Board for
review.
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Plan of action items for Carswell Air Force Base are grouped
below according to program category.
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0 Complete transfer via public sale of the
247-acre WSA property in FY07.
0 Complete ESD for the AFP No. 4 TCE plume
impacting the golf course area in FY07.
0 Complete FOST and OP&S determination report
for golf course area and transfer 187 acres
to the LRA in FY07.
0 Complete transfer of property to the Navy in
FY07-FY08.
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0 Obtain MEC clearance for the WSA property in
FY07-FY08.
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