Appendix M: Installation Narrative Summaries - denix

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Myrtle Beach Air Force Base (AFB) housed a tactical fighter
wing. In July 1991, the BRAC Commission recommended
closure of Myrtle Beach AFB. On March 31, 1993, the
installation closed. Sites identified at the installation include
landfills, weathering pits, fire training areas, drainage ditches,
hazardous waste storage areas, maintenance areas,
underground storage tanks, explosive ordnance areas, fuel
storage areas, a small-arms firing range, and a
lead-contaminated skeet range. Contaminants include
petroleum hydrocarbons (PHCs), heavy metals, and volatile
organic compounds (VOCs). A joint management team
assumed the role of a BRAC cleanup team (BCT) in FY93. The
installation formed a Restoration Advisory Board (RAB) in
FY94, and the BCT updated the BRAC cleanup plan (BCP) in
FY96 and FY04.
The RCRA facility investigation work plan and fieldwork have
been completed for six areas. The cleanup progress at Myrtle
Beach AFB for FY02 through FY05 is detailed below.
In FY02, the installation continued remediation at four fuel sites,
groundwater monitoring, and operation of existing systems.
One pilot study was completed. Drafts were developed for five
corrective measure studies (CMSs) and five RCRA Statements
of Basis (SBs).
In FY03, the installation began investigation of a new
groundwater site and initiated corrective measure
implementations at four sites. Fourteen CMSs and SBs were
modified and eight decision documents (DDs) were signed.
Remediation at four fuel sites as well as groundwater
monitoring and operations of existing systems continued. The
installation shut down one active treatment system and moved
the site into monitored natural attenuation (MNA). The Air Force
reached a consent agreement with the State regarding land use
control (LUC) issues, which allowed the installation to proceed
with postponed documents.
In FY04, the installation initiated remedial actions (RAs) at one
site. The installation completed four CMSs and SBs, including
the associated public comment period, for three sites. The
installation completed field investigations and issued a RCRA
facility investigation for the petroleum/oil/lubricant (POL) site.
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Regulatory agencies provided approval to shut down a
pump-and-treat system. The Air Force updated the BCP. The
installation reached site closure on a fuel-contaminated site,
optimized remedial systems, and eliminated or reduced the
monitoring frequency at several monitoring wells. The Air Force
conducted an inventory of Military Munitions Response
Program (MMRP) sites. MMRP sites were identified at this
installation.
In FY05, Myrtle Beach AFB initiated final RAs at three sites.
The installation issued draft documents for two CMSs, one SB,
and four DDs. In addition, the installation closed an active
treatment system and moved the site into MNA; discontinued
monitoring at two landfills; and granted one site no further
action. The installation also evaluated and implemented
optimization actions at all sites with remedial systems operating
and/or long-term management (LTM) ongoing. The installation
performed annual inspections of LUCs. The Air Force began
evaluating requirements at MMRP sites. Myrtle Beach AFB held
three RAB meetings and conducted a site tour. The BCT held
monthly meetings to discuss remedy implementation and
maintenance, including LUCs.
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Myrtle Beach AFB continued RA implementation at three sites.
The installation shut down one active treatment system;
reactivation may be required if contamination rebound occurs.
Two operating properly and successfully (OP&S) documents
were approved. The installation reviewed/revised four DDs, one
OP&S document, and two CMSs. The installation continued
evaluating and implementing optimization actions at all sites
that have active remedial systems and/or are undergoing LTM.
A remedial process optimization review was completed. The
installation performed annual inspections of LUCs. The cost of
completing environmental restoration has changed significantly
due to technical issues and changes in estimating criteria.
Technical issues delayed the implementation of one
groundwater RA. Administrative issues and development of
implementation work plans delayed finalization of three SBs,
five DDs, four OP&S documents, and two CMS draft
documents.
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Myrtle Beach AFB held two RAB meetings. The BCT held
monthly meetings to discuss site remediation and property
transfer.
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The installation initiated and continued additional investigations
at the former explosive ordnance disposal (EOD) Proficiency
Range site due to the discovery of inert munitions debris.
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Plan of action items for Myrtle Beach Air Force Base are
grouped below according to program category.
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0 Complete RA installation at three sites in
FY07.
0 Complete three SBs, five DDs, six OP&S
documents, and two CMSs in FY07.
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0 Complete investigation and any required
removal actions at the former EOD Proficiency
Range site in FY07-FY08.
M-135