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Record of Decision System (RODS)



City & State:  YORKTOWN  VA  23690
County:  YORK
EPA ID:  VA8170024170
EPA Region:  03
NPL Status:  Currently on the Final NPL
ROD Type:  Record of Decision
ROD ID:  EPA/541/R-97/181
ROD Date:  04/16/1997
Operable Unit(s):  04
Media:  Soil,groundwater,surface water,sediments.
Contaminant:  Trichloroethene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, chrysene, dibenzo(a,h)anthracene, indeno(1,2,3-cd)pyrene, aroclor, 1,3,5-trinitrobenzene, 2,4,6-trinitrotoluene, aluminum, antimony, arsenic, barium, beryllium, cadmium, chromium, copper, lead, manganese, mercury, nickel, thallium, vanadium, zinc, phenanthrene, pyrene, 4,4-DDD, 4,4-DDE, chlordane.
Abstract:  The Naval Weapons Station - Yorktown (WPNSTA Yorktown) is a 10,624-acre installation located on the Virginia peninsula in the City of Newport News. The Site 12 study area contains Site 12 proper and the surrounding study area, which are located in the eastern portion of WPNSTA Yorktown. The Site 12 study area encompasses 92 acres and is located near the industrial area of WPNSTA Yorktown. In general, the study area is bordered by Barracks Road to the west and Ballard Creek and the Colonial National Historical Park to the east and south. Site 12 proper contains three former disposal areas named Area A, Area B/C, and the Wood/Debris Disposal Area.The former disposal areas at Site 12 were in operation from approximately 1925 to the mid-1960s. During this time, the disposal areas received an estimated 1,400 tons of waste. Wastes reported to have been disposed at the three areas include refuse, scrap wood, piping, steel containers, and nitramine-contaminated packaging. It is likely that solvents were also disposed of at these areas. Activities at Area A included wastes being transported to the site by truck and railcar and open-burned prior to disposal, and burning of wastes in the two incinerators, which also were located in Area A. The Wood/Debris Disposal Area was reportedly used for disposal of non-specification lumber, wooden pallets, and miscellaneous construction debris.Initial assessments revealed that Area A has been most affected by the receipt of ashes from the incinerator, open burning, and the landfilling of other materials. The Wood/Debris Disposal Area was also affected, but to a lesser degree. The primary contaminants are lead, polychlorinated biphenyls (PCBs), trichloroethene (TCE), and pesticides.
Remedy:  This remedy addresses contamination at Site 12, the Barracks Road Landfill. Site 12 encompasses OUs 3, 4, and 5. The major components of the remedy include: [for OU 3] construction of a soil/clay cover for contaminated soils at Area A as well as erosion control and long-term monitoring; [for OU 4] no action for Area B/C and Wood Debris Area soils; and [for OU 5] property-use restrictions and long-term monitoring for groundwater, surface water, and sediments of Ballard Creek.
Text:  View full-text ROD [ 168K ]
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