Appendix M: Installation Narrative Summaries - denix

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In December 1988, the BRAC Commission recommended
closure of Hamilton Army Airfield, as well as relocation of the
airfield's mission. The installation has eight areas of concern: a
former petroleum/oil/lubricant (POL) hill area, a hospital
complex, five out parcels (A2, A3, A4, A5, and A6), and the
main airfield parcel. Investigations at the main airfield parcel
addressed tidal wetlands, a perimeter drainage ditch,
underground storage tanks, burn pits, aboveground storage
tanks, onshore and offshore fuel lines, a former sewage
treatment plant, a pump station, an aircraft maintenance and
storage facility, the east levee construction debris disposal site,
a POL area, and a revetment area. The main contaminants of
concern are metals, polyaromatic hydrocarbons (PAHs), volatile
organic compounds (VOCs), semivolatile organic compounds
(SVOCs), pesticides, and polychlorinated biphenyls (PCBs). In
FY94, the installation formed a BRAC cleanup team and a
Restoration Advisory Board (RAB).
In FY96, the Army transferred Out Parcels A2, A3, A5, and A6
to the City of Novato. In FY03, the Army transferred the hospital
parcel to the City of Novato; Out Parcel A4 to a developer; and
the Main Airfield Parcel to the State of California. In FY04, the
Army transferred POL Hill and the levee parcels to the City of
Novato, thereby completing all property transfers for this
installation. The Army completed two Records of Decision
(RODs) in FY03. The cleanup progress at Hamilton Army
Airfield for FY02 through FY05 is detailed below.
In FY02, the Army completed some final remedial actions (RAs)
outlined in the draft ROD for the airfield sites. The Army
completed coastal salt marsh (CSM) sampling, and prepared
and submitted the feasibility study (FS) draft for review. The
Army completed the finding of suitability to transfer (FOST) for
Hospital Hill. The installation signed a no further action decision
document for Out Parcel A4 and forwarded the FOST to U.S.
Army Forces Command for signature. The installation prepared
the draft closure report and corrective action plan (CAP) for
POL Hill. The RAB reviewed and provided comments on the
draft ROD for the Main Airfield Parcel. The Army initiated an
inventory of closed, transferred, and transferring (CTT) ranges
and sites with unexploded ordnance, discarded military
munitions, or munitions constituents.
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In FY03, the installation completed a combined ROD for the
inboard and CSM sites. The Army completed a FS for the CSM
sites. The Army completed a finding of suitability for early
transfer (FOSET) for 630 acres and transferred those acres.
Hospital Hill parcel was transferred to the City of Novato and
Parcel A4 to a developer. The installation completed the
closure report, CAP, and FOST for POL Hill. The Army
completed the CTT range and site inventory and identified one
low risk Military Munitions Response Program (MMRP) site that
required no action. The RAB reviewed the ROD/RA plan and
FOSET for the Main Airfield Parcel and the POL Hill FOST.
In FY04, the installation completed the FOST for the levee
parcel. The Army transferred the POL Hill and levee parcels.
In FY05, Hamilton Army Airfield completed the remedial design
(RD) and RA for the CSM sites. The installation completed the
remaining RD/RAs for inboard sites, except the target range.
The Army conducted sampling that indicated that the skeet
range was complete and did not require a RA.
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Hamilton Army Airfield completed the last RD/RA for the
removal of soils from the target range. The installation removed
monitoring wells from POL Hill. All actions have been
completed with the exception of long-term management. The
Army performed yearly biological monitoring in the CSM. The
installation also completed close-out documentation for sites
POL Hill, East Fort Baker, and the Revetments.
Contracting and funding issues delayed the project
documentation and closeout of the remaining sites on the
installation.
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The Army conducted no MMRP actions at this installation.
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Plan of action items for Hamilton Army Airfield are grouped
below according to program category.
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0 Complete documentation and close BRAC office
in FY07.
0 Perform biological monitoring for the CSM
sites in FY07.
0 Complete closeout reports for the CSM,
dichlorodiphenyltrichloroethane (DDT) sites,
and the testing range in FY07.
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There are no MMRP actions scheduled for FY07 or
FY08.
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