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URS <br /> DD <br /> SEP 3 0 2002 <br /> September 18,2002 ENVIRONMENT HEALTH <br /> PERMIT/SERVICES <br /> Mr Scott Hooton 11193 <br /> Group Environmental Management 06 a2 <br /> 295 SW 41"Street,Building 13, Suite N <br /> Renton,WA 98055 <br /> Re: Quarterly Groundwater Monitoring Report,Third Quarter 2002 <br /> BP Service Station No. 111.93,Located at 3202 West Hammer Lane, <br /> Stockton, California <br /> Dear Mr Hooton <br /> URS Corporation Americas (URS) is pleased to submit the attached report, which presents the results of <br /> the third quarter 2002 groundwater monitoring and sampling event at BP Service Station No 11193, <br /> located at 3202 West Hammer Lane in Stockton, California <br /> The third round of quarterly monitoring was conducted on July 29, 2002 At your request, on <br /> September 16, 2002, the samples from the third round of sampling were analyzed for volatile organic <br /> compounds (VOCs) by EPA Method 8260B The laboratory had sufficient sample volume remaining to <br /> analyze the following samples MW-1R, MW-2R, MW-3, MW4, MW-5, MW-7, MW-9, MW-10, and <br /> VW-1 Since these samples were analyzed well beyond the EPA recommended holding time, the <br /> positive VOC results should be considered biased low and should be used for conformational purposes <br /> only <br /> If you have any questions regarding this report, please call Mr Vernon Elarth at(916)679-2299 <br /> Sincerely, <br /> �`S-�ERED GEDI <br /> URS Corporation Americas 4k. pN PAUL <br /> Jeffrey A Brooks Vernon Elarth, R G * exp 3' o <br /> Staff Geologist Project Manager <br /> Attachment Quarterly Groundwater Monitoring Report,Third Quarter 2002 OF CALIF <br /> cc °Ms Margaret Lagorio, San Joaquin County Public Health Services <br /> ,Mr David Camille, Tosco Marketing Company, 2000 Crow Canyon Place, Suite 400, San Ramon, <br /> CA 95118-3686 <br /> URS Corporation <br /> Crown Corporate Center <br /> 2870 Gateway Oaks Drn+e,Suite 300 <br /> Sacramento CA 95833 <br /> Tel 916 679 2000 <br /> Fax 916 679 2900 K V5 BP ARC01111931QLmnuW QTR_W JM1902 doc <br />