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STATE OF CALIFORNIA - ENVIRONMENTAL PROTECTION AGENCY PETE M LSON, Governor <br /> DEPARTMENT OF TOXIC SUEIVANCES CONTROL <br /> Region 1 _ <br /> 10151 Croydon Way,Suite 3 <br /> Sacramento,CA 95827-2106 <br /> (916)855-7700 <br /> RECEIVED <br /> AUG 1 4 1991 August 12, 1 91 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> Mr. Abel W. Haines, P.E. <br /> Director, Environmental Program Office <br /> Defense Logistics Agency <br /> Defense Distribution Region, <br /> West Sharpe Site <br /> Lathrop, CA 95331 <br /> Dear Mr. Haines: <br /> COMMENTS ON GROUND WATER FEASIBILITY STUDY <br /> On June 18, 1991, the Defense Distribution Region, West <br /> Sharpe Site (Sharpe) , submitted to the Department of Toxic <br /> Substances Control (Department) (see comment below) the following <br /> documents: <br /> "Remedial Investigation/Feasibility Study at Sharpe <br /> Site, Groundwater Feasibility Study Report" , <br /> Environmental Science and Engineering, Inc. , June 1991 <br /> (hereinafter "Draft Final Ground Water FS") and <br /> "Remedial Investigation/Feasibility Study at Sharpe <br /> Site, Risk Assessment Report" , Environmental Science <br /> and Engineering, Inc. , June 1991 (hereinafter "Risk <br /> Assessment Report") . <br /> Previously, Sharpe submitted a secondary document to the ., <br /> Draft Final Ground Water FS. Comments on that document, the <br /> Focused Feasibility Study, were provided to Sharpe in a March 15, <br /> 1991, letter from Mr. David Wang. Those comments were considered <br /> during the Department's review of the Draft Final Ground Ovate <br /> FS. Generally, the Draft Final Ground Water FS and Risk <br /> Assessment Report appear to be well prepared and technically <br /> adequate. However, the Department concerns, as specified in the <br /> enclosed memorandum (Enclosure 1) , are to be addressed pursuant <br /> to the Sharpe Federal Facility Agreement. Our primary genera <br /> concerns are highlighted below and related applicable issues <br /> follow: <br /> 1. The Draft Final and Final Ground Water FS must be signed and <br /> stamped with registration number and expiration date by <br /> Civil Engineer or Geologist registered in the State of <br /> California. <br />