Superfund Record of Decision (EPA Region 3): Naval Weapons Station-Yorktown, Operable Units 6 and 7, Yorktown, VA, March 23, 1998

Technical Report · Mon Mar 01 04:00:00 EST 1999

OSTI ID:6149634

This Record of Decision (ROD) documents the selected remedial action to reduce the risks posed by soil, surface water and sediment at Site 9 and soil at Site 19 located at WPNSTA Yorktown, Yorktown, Virginia. Soil contaminated by 2,4,6-trinitrotoluene (2,4,6-TNT) and RDX (explosives) at Site 19 is designated as OU VI and soil, surface water, and sediment at Site 9 are designated as OU VII. Major components of the selected remedy for OUs VI and VII include: OU VI -- Dismantling and disposal of the Site 19 conveyor belt; Excavation of soil beneath the belt to a depth of approximately 4 feet; Excavation of aluminum contaminated soil (above Station-wide background) to approximately 6 inches around Building 527 and disposal in the bottom of the conveyor belt excavation area; Backfilling (with clean soil) and regarding the conveyor belt area and the area around building 527; and Biological treatment of excavated explosives-contaminated soil at the WPNSTA Yorktown biocell and placement of treated soil at Site 22 (Former Burn Pad) now occupied by the WPNSTA Yorktown biocell; and OU VII -- No action at OU VII.

• Research Organization: Environmental Protection Agency, Office of Emergency and Remedial Response, Washington, DC (United States)
• OSTI ID: 6149634
• Report Number(s): PB-98-963919/XAB; EPA--541-R98-184
• Country of Publication: United States
• Language: English

Related Subjects

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450100 -- Military Technology
Weaponry
& National Defense-- Chemical Explosions & Explosives
54 ENVIRONMENTAL SCIENCES
540250* -- Environment
Terrestrial-- Site Resource & Use Studies-- (1990-)
540350 -- Environment
Aquatic-- Site Resource & Use Studies-- (1990-)
CHEMICAL EXPLOSIVES
CONTROL
DEVELOPED COUNTRIES
EXPLOSIVES
LAWS
MILITARY FACILITIES
NITRO COMPOUNDS
NORTH AMERICA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
POLLUTION CONTROL
POLLUTION LAWS
REMEDIAL ACTION
SEDIMENTS
SOILS
SURFACE WATERS
TNT
US SUPERFUND
USA
VIRGINIA