Appendix M: Installation Narrative Summaries - denix

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Past activities at Wright-Patterson Air Force Base (AFB)
created spill sites and unlined waste disposal areas, including
landfills, fire training areas, underground storage tanks, earth fill
disposal areas, and coal storage areas. Soil and groundwater
have been contaminated with volatile organic compounds
(VOCs); semi-volatile organic compounds (SVOCs);
trichloroethylene (TCE); and benzene, toluene, ethyl benzene,
and xylene compounds. Fire training exercises conducted in
unlined pits contaminated soil and groundwater with fuel and its
combustion by-products. EPA placed the installation on the
NPL in October 1989 and the Air Force signed an interagency
agreement (IAG) in March 1991. In 2005, the BRAC
Commission recommended Wright-Patterson AFB for
realignment. In FY97, two new sites, Contaminated
Groundwater Area A/C and Contaminated Groundwater Area B,
were added to address commingled groundwater plumes and to
expedite source area site closure. The installation completed
5-year reviews in FY00 and FY06.
Investigations have identified 68 sites and 5 areas of concern
(AOCs). To date, two AOCs have been remediated. Records of
Decision (RODs) have been signed for Landfills (LFs) 8 and 10,
groundwater remediation, and another 40 Installation
Restoration Program (IRP) sites. A no further action ROD was
signed for 21 sites. The cleanup progress at Wright-Patterson
AFB for FY02 through FY05 is detailed below.
In FY02, the installation continued system operations and
maintenance (O&M) and long-term management (LTM)
activities. State and federal agencies accepted a final report
detailing restoration activities at Facility 20059. The installation
completed site fieldwork at Facility 20079 and submitted a draft
report to the State confirming shallow TCE contamination in
groundwater.
In FY03, the installation completed the preliminary assessment
(PA) at AOC Building 20055. The removal action of
contaminated soils at AOC Building 20025 was also completed.
Supplemental floating-product recovery through the use of a
bioslurper was initiated. O&M and LTM continued throughout
the year.
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In FY04, Wright-Patterson AFB began conducting 5-year
reviews and continued system O&M and LTM activities.
In FY05, Wright-Patterson AFB continued O&M and LTM
activities. The installation initiated the 5-year review and the
time-critical removal action (TCRA) of contaminated soils at
Facility 20055. The Air Force updated its Military Munitions
Response Program (MMRP) inventory. No new MMRP sites
were identified during the inventory development.
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Wright-Patterson AFB completed the 5-year review and the
O&M and LTM optimization. Wright-Patterson AFB also
conducted a TCRA of contaminated soils at Facility 20055. The
installation completed the quality assurance project plan, which
was approved by regulatory agencies. The cost of completing
environmental restoration has changed significantly due to
changes in estimating criteria.
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The Air Force has identified no MMRP sites at this installation.
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Plan of action items for Wright-Patterson Air Force Base are
grouped below according to program category.
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0 Abandon select groundwater monitoring wells
in FY07.
0 Complete documentation for closeout of AOC
79/95 and Site DP 068 in FY07.
0 Prepare documentation for partial soils
delisting from NPL in FY07.
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There are no MMRP actions scheduled for FY07 or
FY08.
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