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J+ ED ST" UNITED STATES ENVIRONMENTAL PROTECTION AGENCY <br /> Region 9 a `= <br /> 75 Hawthorne Street <br /> San Francisco CA 94105-3901 <br /> March 4, 2002 a a <br /> W TA <br /> Mr. Jeff Grady <br /> Defense Distribution Depot San Joaquin California, Tracy Site <br /> DDJC-FA, Attn: Environmental Management <br /> P.O. Box 960001 <br /> Stockton, CA 95296 <br /> RE: Draft DDJC-Tracy Remedial Action Report for SWMUs 2, 3, and 33,November <br /> 2001 <br /> Dear Jeff, <br /> Thank you for the opportunity to review the "Draft DDJC-Tracy Remedial Action Report <br /> for SWMUs 2, 3, and 33;'dated November 2001. <br /> Our comments are attached. Please note, as currently'drafted, the subject document does <br /> not provide adequate documentation to justify why the clean up standard for the sum of the <br /> concentrations of DDD, DDE, and DDT (DDX), established by the Record of Decision (ROD) <br /> and used to complete the initial remedial action, has now been deleted. <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 Cleanup Branch <br /> Superfund Division (SFD-8-3) <br /> cc: (See Distribution List) <br /> Attachment <br />