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r <br /> ,Eo ,q,Fs UNITED STATES ENVIRONMENTAL PROTECTION AGENCY <br /> Region 9 <br /> Y75 Hawthorne Street <br /> �F <br /> San Francisco CA 94105-3901 <br /> Hl[m <br /> May 16,2001 <br /> Mr. Dale Clemens <br /> Environmental Protection Office <br /> DD-Tracy <br /> P.O. Box 960001 <br /> Stockton, CA 95296-0250 <br /> RE: DD-Tracy Draft"Project Closeout Plan(Remedial Action Report),SWMU 6, <br /> SWMU 20,and SWMU 27 Small Excavation Sites and SWMU 4 Wet Season <br /> Controls"dated March,2001 <br /> Dear Mr Clemens, <br /> Thank you for the above referenced document : DD-Tracy Draft"Project Closeout Plan <br /> (Remedial Action Report), SWMU 6, SWMU 20, and SWMU 27 Small Excavation Sites and SWMU 4 <br /> Wet Season Controls"dated March,2001. <br /> Based on our review of this document, it would appear that residual contamination above soil <br /> cleanup standards specified in the Tracy Record of Decision (ROD)remains at all three of the small <br /> excavation sites. The recommendation for SWMU 6 states that additional evaluation may be necessary, <br /> while SWMU 20 and SWMU 27 are both recommended for no further action. In addition,reporting <br /> limits commonly exceeded ROD-specified soil cleanup standards. Our comments request further <br /> ?splanations of the residual contamination, including planned measures to address it, and further <br /> explanations of the reporting limits exceeding soil cleanup standards. <br /> Please feel free to contact me at 415-744-2392 if you have any questions or comments. <br /> Sincerely, <br /> tILA' f w� <br /> Michael Work <br /> Federal Facilities Cleanup Office <br /> Superfund Division (SFD-8-3) <br /> Attachment <br /> cc: (See Distribution List) <br />