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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY <br /> A Region 9 <br /> 75 Hawthorne Street <br /> San Francisco CA 94105-3901 <br /> April 14, 2003 <br /> Mr. Maurice Benson <br /> Defense Distribution Depot San Joaquin California, Sharpe Site <br /> DDJC-FA, Attn: Environmental Management <br /> PO Box 960001 <br /> Stockton, CA 95296 <br /> RE: Sharpe Site, Pond Design Evaluation Field Investigation Work Plan,January 2003 <br /> Dear Maurice, <br /> Thank you for the opportunity to review the Sharpe Site Pond Design Evaluation Field <br /> Investigation Work Plan, dated January 2003. Our comments are attached. <br /> The Work Plan does not address all the necessary sections normally contained in a <br /> complete Work Plan. There are additional concerns with applicability of some pilot test <br /> conditions that require clarification (use of potable water instead of treated groundwater; use of <br /> shallower ponds than proposed for the full-scale application.) <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 />