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• 0 <br /> m15�EDSTAT UNITED STATES ENVIRONMENTAL PROTECTION AGENCY <br /> v� Region 9 <br /> 75 Hawthorne Street ^��L�� V �� <br /> San Francisco CA 94105-3901 �����t??�jaj v <br /> JUL 16 2002 <br /> July 9, 2002 ENPERMr T/ HEALTH <br /> SERVICES <br /> Mr. Maurice Benson <br /> Defense Distribution Depot San Joaquin'Califomia, Sharpe Site <br /> DDJC-FA, Attn: Environmental Management <br /> PO Box 960001 <br /> Stockton, CA 95296 <br /> RE: Sharpe Site, Draft Installation-Wide Preliminary Closeout Report,June 2002 <br /> Dear Maurice, <br /> Thank you for the opportunity to review the Draft Installation-Wide Preliminary <br /> Closeout Report, June 2002, for DLA's Sharpe Facility. Our comments are attached. <br /> EPA is concerned that this document states that containment of the groundwater plume <br /> has not been achieved (Section 3.1.11) and that an additional extraction well is planned. Based <br /> on these statements, it would appear that construction is not yet complete per EPA guidance. Is <br /> this planned extraction well needed in order to achieve RAO levels? When is this well planned <br /> for installation? We suggest a conference call to discuss this matter prior to issuing the draft <br /> final PCOR. <br /> Please feel free to contact me at 415-972-3024 if you have any questions or comments. <br /> Sincerely, <br /> Michael Work <br /> Federal Facilities and Site Cleanup Branch <br /> Superfund Division (SFD-8-3) <br /> Attachment <br /> cc: (See Distribution List) <br />