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r � <br /> J�SEO sr",0 <br /> UNITED STATES ENVIRONMENTAL PROTECTION AGENCY <br /> REGION IX <br /> `�.�AA�11(��►�`O= 75 Hawthorne Street <br /> Nl"9(PRO, San Francisco, CA 94105 \\���\/���/./.II �`V,IF I� <br /> December 31, 2007 <br /> JAN u 2 2008 <br /> Mr. Marshall Cloud <br /> Defense Logistics Agency ENVIR�J T/SER HEALTH <br /> PERMIT/SER <br /> DESJC-PP, M. CLOUD/WHS.16B VICES <br /> Post Office Box 960001 <br /> Stockton, California 95296-0250 <br /> RE: DDJC-Sharpe,EPA Comments on the Draft Operable Unit 2 Metals Remedial <br /> Action Report for Site S-26,Area 6 <br /> Dear Marshall: <br /> Thank you for the opportunity to review the Draft Operable Unit 2 Metals Remedial <br /> Action Report, Site S-26, Area 6, DDJC-Sharpe (RAR), dated October 30, 2007. <br /> EPA compared cleanup levels to the most recent EPA Region 9 preliminary remediation <br /> goals (PRGs) and we checked the remedial action against the requirements of the Final Record <br /> of Decision (ROD) Basewide Remedy for DDRW-Sharpe Site (ESE, 1996). The revised <br /> cleanup level for lead of 800 milligrams per kilogram (mg/kg) corresponds to the revised <br /> industrial PRG of 800 mg/kg. The remedial action as performed appears to meet the <br /> requirements of the remedy as described in Section 9.1.2, 9.1.3, and 9.1.4 (pages 100-103) of the <br /> ROD. Additional comments are attached. <br /> Please contact me at 415-972-3024 if you have any questions or comments. <br /> Sincerely, <br /> 1 <br /> Michael Work <br /> Remedial Project Manager <br /> Federal Facilities and Site Cleanup Branch <br /> Attachment <br /> cc: See Distribution List <br />