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California tegional Water Quality Coorol Board <br /> Central Valley Region 05-, <br /> Katherine Hart,Chair <br /> Arnold <br /> Linda S.Adams 11020 Sun Center Drive#200, Rancho Cordova, California 95670-6114 <br /> Secretary for Phone(916)464-3291 •FAX(916)464-4645 Schwarz negger <br /> Environmental http://w .waterboards.ca.gov/centralvalley Govern <br /> http:l/w�.waterboards.ca.gov/�ntralvalley <br /> Protection <br /> 6 April 2010 L U AP1 L0 8 2010 011000 <br /> ENVIRUN.IVIENT HEALTH <br /> DESJC, M.BENSON PERMIT/SERVICES <br /> Defense Distribution Depot San Joaquin <br /> P.O. Box 960001 <br /> Stockton, CA 95296 <br /> REVIEW OF AMENDMENT TO ROD BASEWIDE REMEDY FOR OU2 SOILS, DEFENSE <br /> LOGISTICS AGENCY, DEFENSE DISTRIBUTION DEPOT SAN JOAQUIN—SHARPE SITE <br /> California Regional Water Quality Control Board, Central Valley Region (Central Valley Water <br /> Board) staff has reviewed the Defense Distribution Deport (DDJC) Draft Final Amendment to <br /> the Record of Decision Basewide Remedy for DDJC-Sharpe, Operable Unit 2— Soils <br /> (Draft Final Amendment), dated March 2010 and received on 22 March 2010. The Draft Final <br /> Amendment was prepared by URS Corporation on behalf of Defense Logistics Agency <br /> Enterprise Support San Joaquin, California (DESJC) for the DDJC Sharpe site. <br /> Central Valley Water Board staff notes that DESJC did not agree with certain comments on <br /> the April 2009 Draft Amendment presented in the August 2009 review letters from the U.S. <br /> Environmental Protection Agency (EPA) and the California Department of Toxic Substances <br /> Control (DTSC). As a result, DESJC did not incorporate some of the changes to the Draft <br /> Amendment requested by EPA or DTSC in the Draft Final Amendment. These changes <br /> include EPA's request for the establishment of short-term land use controls for trichloroethene <br /> at Site P5-A while SVE is implemented. Central Valley Water Board staff supports EPA and <br /> DTSC efforts to resolve these differences before DESJC finalizes the amendment. <br /> If you have any questions, please contact me at (916) 464-4675, or by email at <br /> jbrownelI@waterboards.ca.gov. <br /> James R. Brownell, P.G. <br /> Engineering Geologist <br /> Federal Facilities Unit <br /> cc: Mr. Phillip Ramsey, USEPA Region 9, San Francisco <br /> Mr. Peter MacNicholl, DTSC Region 1, Sacramento <br /> Mr. Harlin Knoll, San Joaquin County Health Department, Stockton <br /> Mr. John Hill, AFCEE, San Antonio, Texas <br /> Mr. David Hofmann, Booz Allen Hamilton Inc., San Antonio, Texas <br /> Mr. Michael Thomas, URS, Sacramento <br /> California Environmental Protection Agency <br /> ?P,Recvc/ed Paper <br />