Appendix M: Installation Narrative Summaries - denix
Appendix M: Installation Narrative Summaries - denix
Appendix M: Installation Narrative Summaries - denix
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Yorktown Naval Weapons Station (NWS) provides ordnance<br />
technical support and related services to the Atlantic Fleet. EPA<br />
placed the installation on the NPL in October 1992, primarily<br />
because of six sites that are hydrologically connected to the<br />
Chesapeake Bay. A federal facility agreement (FFA) was<br />
signed in October 1992. In 2005, the BRAC Commission<br />
recommended Yorktown NWS for realignment. Contaminants<br />
include explosive nitramine compounds and volatile organic<br />
compounds (VOCs) that affect groundwater, surface water, and<br />
sediment. A technical review committee, formed in FY91, was<br />
converted to a Restoration Advisory Board in FY95. In FY02,<br />
the installation updated the community relations plan and<br />
completed a 5-year review.<br />
To date, 49 sites have been identified at this installation.<br />
Yorktown NWS has completed 16 Records of Decision (RODs).<br />
The cleanup progress at Yorktown NWS for FY02 through<br />
FY05 is detailed below.<br />
In FY02, the installation continued remedial action (RA) efforts<br />
at Site 6 with Phase IV. The installation completed the first<br />
5-year review. The RA for groundwater Operable Unit (OU) 1<br />
began. Groundwater monitoring at all applicable sites<br />
continued. The Navy completed an inventory of all Military<br />
Munitions Response Program (MMRP) sites. One MMRP site<br />
was identified at this installation.<br />
In FY03, the installation continued RA efforts at Site 6 with<br />
Phase V. The installation completed an RA at Site 4 and a<br />
removal action at Site 23. Groundwater monitoring at all<br />
applicable sites continued. The remedial investigation (RI) for<br />
groundwater OU 1 continued. The installation signed the final<br />
RODs for two sites. A preliminary assessment (PA) was<br />
initiated for Unexploded Ordnance 000001 (NWS Small Arms<br />
Range).<br />
In FY04, the installation continued the Site 6 RA and finalized a<br />
site screening area (SSA) report for 10 SSAs. In addition, the<br />
installation completed a draft RI for Sites 27, 28, 29, and 30.<br />
Yorktown NWS also initiated an update of master project plans.<br />
The installation completed final Round II RIs for Sites 2, 8, 18,<br />
and SSA 14.<br />
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In FY05, Yorktown NWS finalized a No Further Action ROD for<br />
soil at Site 4 and a No Action ROD for Site 18. Site 18 is<br />
complete for all media. The installation finalized work plans for<br />
OU 1 and initiated a Round I RI. The installation completed the<br />
draft final long-term monitoring report for Site 12 and work<br />
plans for investigation of mercury contamination in Ballard<br />
Creek downstream of Site 12. The installation finalized the RI<br />
for Sites 27 through 30. The Site 6 RA continued. The<br />
installation finalized master project plans.<br />
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Yorktown NWS completed a No Action ROD for Site 27. In<br />
addition, the installation completed long-term monitoring for<br />
Sites 1, 3, and 7. The installation initiated a baseline ecological<br />
risk assessment (BERA) for the wetlands downgradient of<br />
Site 12.<br />
Contractual issues delayed the Round I RI for groundwater<br />
OU 1.<br />
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The installation completed the PA and initiated the site<br />
inspection (SI) for the Morale, Welfare, and Recreation (MWR)<br />
Skeet Range.<br />
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Plan of action items for Yorktown Naval Weapons Station are<br />
grouped below according to program category.<br />
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0 Complete Round I RI for groundwater OU 1 in<br />
FY07.<br />
0 Initiate Round II RI for groundwater OU 1 in<br />
FY07.<br />
0 Complete No Action ROD for groundwater at<br />
Sites 11 and 17 in FY07.<br />
0 Complete RI and BERA for wetlands<br />
downgradient of Site 12 in FY08.<br />
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0 Complete field investigation and SI for MWR<br />
Skeet Range in FY07.<br />
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