Appendix M: Installation Narrative Summaries - denix

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In July 1993, the BRAC Commission recommended closure of
K.I. Sawyer Air Force Base (AFB), deactivation of the 410th
Wing, and transfer of the base's mission. In September 1995,
the installation closed. Environmental studies have been in
progress at the installation since FY84. Sites identified through
environmental studies conducted at the installation include
landfills, fire training (FT) areas, underground storage tanks
(USTs), aboveground storage tank spill sites, drainage pits, and
a drainage pond (DP). The primary contaminants affecting soil
and groundwater are petroleum hydrocarbons, trichloroethylene
(TCE), tetrachloroethylene (PCE), vinyl chloride, and heavy
metals. Interim remedial actions (RAs) have included removal
of USTs, removal and cleanup of contaminated soil, installation
of groundwater extraction wells, construction and operation of a
groundwater treatment plant, removal of fuel from groundwater
at the former petroleum/oil/lubricant (POL) storage area (ST
004), and installation of bioventing systems. In FY94, a
Restoration Advisory Board (RAB) was formed and the
installation received a technical assistance for public
participation (TAPP) grant for work performed in FY99. TAPP
funding was used for the technical review of documents for
Sites Landfill (LF) 001, ST 004, and FT 006. The final RA plan
(RAP) was completed for LF 001 and a draft RAP was
completed for ST 004. In addition, RAs were completed at LF
001. The installation completed its first 5-year review in FY06.
Thirty Installation Restoration Program (IRP) sites have
required additional investigation at this installation. To date, no
further action closure documents have been completed for 21
sites. The cleanup progress at K.I. Sawyer AFB for FY02
through FY05 is detailed below.
In FY02, operation of the treatment systems and groundwater
monitoring continued. A basewide RAP was submitted to the
State as planned. Remedial design (RD) was completed and
RA construction (RA-C) began for the removal of contaminated
soil and the installation of a soil venting system at Site OT 013.
RD was also completed and RA-C was initiated for the
alteration and upgrade of the fuel recovery trench at Site ST
004.
In FY03, the installation attained response complete at two
sites, FR 026 (Firing and Machine Gun Range) and XE 027
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(Explosive Ordnance Disposal Range). The installation also
transferred 93 acres to the County of Marquette. A remedial
process optimization review was planned to identify
opportunities for enhancing the effectiveness and efficiency of
remediation efforts.
In FY04, the installation completed the RA-C at Site OT 013
and the modification of the Site ST 004 interceptor trench. The
Air Force conducted an inventory of Military Munitions
Response Program (MMRP) sites. MMRP sites were identified
at this installation.
In FY05, the installation completed closure sampling for the soil
vapor extraction system at Site FT 006 in anticipation of system
shutdown and decommissioning. The closeout sampling
protocol was also initiated at Site DP 002. The installation
developed a shutdown plan at Site OT 013. Groundwater
monitoring continued at various sites. Transfer of the remaining
property at K.I. Sawyer was completed; only the property at the
Defense Fuels Supply Point (DFSP) at Escanaba (Site OT 013,
40 acres) remains to be transferred. The Air Force began
evaluating requirements at MMRP sites at this installation. The
installation also initiated the first 5-year review. The RAB held
an annual meeting.
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The installation completed optimization of basewide
groundwater monitoring, thus reducing the frequency and
number of wells sampled. The Air Force continued to verify that
the rebound of contaminants will not occur with the treatment
system shutdown at DP 002 through limited groundwater
sampling. K.I. Sawyer AFB continued working toward
completion of RAs at the DFSP (OT 013) and combined
Escanaba Areas 1 and 2 for purposes of property transfer. The
installation completed its first 5-year review. The Air Force
continued monitoring and routinely inspecting sites, and
completed optimization of basewide groundwater monitoring.
The cost of completing environmental restoration has changed
significantly due to technical issues and changes in estimating
criteria.
The RAB held an annual meeting.
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The installation evaluated requirements at MMRP sites.
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Plan of action items for K.I. Sawyer Air Force Base are grouped
below according to program category.
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0 Deed Escanaba DFSP in FY07.
0 Optimize routine inspections in FY08.
0 Refresh the basewide groundwater optimization
in FY08.
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There are no MMRP actions scheduled for FY07 or
FY08.
M-105