Appendix M: Installation Narrative Summaries - denix
Appendix M: Installation Narrative Summaries - denix
Appendix M: Installation Narrative Summaries - denix
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The mission of Tinker Air Force Base (AFB) is to repair<br />
aircrafts, weapons, and engines. EPA placed the installation on<br />
the NPL in July 1987 and the Air Force signed an interagency<br />
agreement (IAG) in December 1988. In 2005, the BRAC<br />
Commission recommended Tinker AFB for realignment.<br />
Environmental studies at Tinker AFB revealed a 220-acre<br />
contaminant plume in the upper aquifer at Soldier Creek and<br />
Building 3001. Additional sites include landfills, underground<br />
storage tanks (USTs), waste pits, fire training areas, spill sites,<br />
and low-level radioactive waste sites. The installation has<br />
implemented numerous interim actions, including removal of<br />
contaminated soil and USTs, and installation of landfill caps,<br />
free product recovery systems, bioventing systems, a<br />
biostripping system, and a solidification and stabilization<br />
system. The installation formed its Restoration Advisory Board<br />
in FY94. In FY99 and FY03, the installation completed 5-year<br />
reviews.<br />
To date, Records of Decision (RODs) have been signed for<br />
Building 3001 and Soldier Creek. The cleanup progress for<br />
Tinker AFB for FY02 through FY05 is detailed below.<br />
In FY02, the installation completed the decision document (DD)<br />
necessary to achieve remedy in place (RIP) and response<br />
complete (RC) status for Landfill 4. The interim remedial action<br />
construction (IRA-C) was completed at Industrial Waste Pit 1,<br />
enabling the removal and treatment of 13,000 cubic yards of<br />
waste sludge/soil. The installation also completed the IRA-C of<br />
city water supply lines in a neighborhood near the Southwest<br />
Groundwater Management Unit (CG 38).<br />
In FY03, the Air Force completed the risk assessment<br />
necessary to achieve site closeout for Industrial Waste Pit 2.<br />
The 5-year reviews were submitted to regulators. The<br />
Northwest Groundwater Management Unit (CG 37) feasibility<br />
study was completed and recommended monitored natural<br />
attenuation as the remedy.<br />
In FY04, the Air Force achieved site closeout status for the<br />
Soldier Creek sediment and surface water operable unit (OT<br />
02). A deep permeable reactive barrier was installed to further<br />
protect the neighborhood near Site CG 38. In addition, the DD<br />
Air Force<br />
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was completed and RIP was achieved for the Industrial Water<br />
Treatment Plant soils site (OT 34).<br />
In FY05, the Air Force completed the DD and achieved RIP/RC<br />
status for the four fuel sites (ST 08). The installation also<br />
achieved RIP for Site CG 38. The Air Force updated its Military<br />
Munitions Response program (MMRP) inventory. No MMRP<br />
sites were identified at this installation during the inventory<br />
development.<br />
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Tinker AFB completed the study phases, DDs and achieved<br />
RIP for the East Groundwater Management Unit (CG 39) and<br />
the Gator Facility Groundwater Management Unit (CG 40). The<br />
cost of completing environmental restoration has changed<br />
significantly due to changes in estimating criteria.<br />
Technical issues delayed the completion of the study phase<br />
and DD for the Industrial Waste Pit #1 (Site WP 18). Technical<br />
issues also delayed the completion of the ROD, remedial<br />
design (RD), and RIP at the Soldier Creek off-base<br />
groundwater (SCOBGW) Site (Site OT 05).<br />
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The Air Force has identified no MMRP sites at this installation.<br />
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Plan of action items for Tinker Air Force Base are grouped<br />
below according to program category.<br />
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0 Complete the 5-year review for Building 3001<br />
in FY07.<br />
0 Complete the study phase and DD for the<br />
Industrial Waste Pit 1 (WP 18) in FY07.<br />
0 Complete the ROD and RD, and achieve RIP at<br />
SCOBGW Site (Site OT 05) in FY08.<br />
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There are no MMRP actions scheduled for FY07 or<br />
FY08.<br />
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M-188
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