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I <br /> .i <br /> {i 1{ <br /> t <br /> 1 <br /> Ms. Carol Oz ;, Page 2 <br /> San Joaquin County - Public Health Services <br /> Environmental Health Division <br /> December 8, 2000 I <br /> i <br /> On June 20 and 21,2000,URS drilled and sampled four soil borings at the Site(shown on Figure 1). Soil and <br /> groundwater samples were collected during drilling and submitted for laboratory analysis TPH-G by EPA <br /> method 8015 modified and BTEX,MTBE,TBA,DIPE, ETBI and TAME by EPA method 8260. The <br /> analytical results were non-detect for all soil(Table 1)and groundwater(Table 2)samples collected. Based <br /> on these results,URS requested,on behalf of the RESD,that the SJCEHD grant Site closure and no further <br /> action at the Site. In response to this request,the SJCEHD requested that RESD complete a closure summary <br /> report incorporating the components outline in"Appendix B,Tri-Regional Board Staff Recommendations for <br /> Preliminary Investigation and Evaluation of Underground Storage�Tank Sites,No Further Action Request,"by <br /> December 11, 2000. <br /> In response to this request,URS,on behalf of RESD,has prepared this letter and providedthe enclosed <br /> information,including a copy of the URS"Letter Report for Site Investigation Activities"dated July 18,2000. <br /> Please review the enclosed Checklist of Required Information and analytical data. Following your review, <br /> please consider the request for no further action at the Site and granting site closure. <br /> i; <br /> If you have any questions or require additional information,please contact Mr.Philip Cox at(916)569-5555. <br /> i� <br /> Sincerely, Ij <br /> r_ URS Corporation '! <br /> i� <br /> Philip Cox �� <br /> Project Manager <br /> 11 <br /> PMCIsc <br /> a <br /> i <br /> Attachment I - "Letter Report for Site Investigation Activities" dated July 18, 2000. <br /> i <br /> r <br /> cc: Mr. A.K. Jain, RESD <br /> _ Ms. Ligaya Reyes-Ibanez, CHP } <br /> Project and Chron File <br /> 3 <br /> ,t <br /> i IF 1A14214\03 Stockt0n\L120800.wpd <br />