||Superfund record of decision : Lawrence Livermore Laboratory (USDOE) Operable Unit 1, Livermore, CA.
||Environmental Protection Agency, Washington, DC. Office of Emergency and Remedial Response.
|| U.S. Environmental Protection Agency, Office of Emergency and Remedial Response], Distributed by National Technical Information Service,
Hazardous waste sites--California.
Hazardous materials ;
Land pollution control ;
Water pollution control ;
Lawrence Livermore National Laboratory ;
Soil contamination ;
Soil treatment ;
Ground water ;
Water wells ;
Water treatment ;
Water pollution monitoring ;
Remedial action ;
Record of Decision ;
San Joaquin County(California) ;
Volatile organic compounds ;
Dense nonaqueous liquids ;
Soil vapor extraction ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||1 v. (various pagings) : ill., maps ; 28 cm.
The site described in this Record of Decision (ROD) is known as the General Services Area (GSA) operable unit (OU) located at Lawrence Livermore National Laboratory (LLNL) Site 300, Tracy, California. The major components of the selected remedy include: monitoring throughout the predicted 55 years of remediation, plus five years of post-remediation monitoring; contingency point-of-use (POU) treatment for existing offshite water-supply wells; administrative controls to prevent human exposure by restricting access to or activities in contaminated areas, if necessary; soil vapor extraction (SVE) and treatment in the central GSA dry well source area; dewatering of the shallow water-bearing zone in the vicinity of the Building 875 dry well release area to enhance the effectiveness of SVE by exposing a larger soil volume to vapor flow; and extraction and treatment of ground water in the GSA until drinking water standards (Maximum Contaminant Levels, or MCLs) are reached in both the regional and shallow aquifers.
Cover title. "1/29/1997." "PB97-964505." "EPA/541/R-97/043." "November 1997."