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. 0 11 <br /> T�SCS40 <br /> BRIA CAM oa <br /> 3 Z <br /> ENv1R1NilS RV1G�S <br /> PERM July 15, 2002 <br /> Ms Lon Duncan <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, California 95202 <br /> Re Groundwater Monitoring Report—Second Quarter 2002 <br /> Shell-branded Service Station <br /> 7910 Lower Sacramento Road <br /> Stockton, California <br /> SAP Code 136139 <br /> Incident No 98996180 <br /> SJCEHD Site Code 1660 <br /> Dear Ms Duncan <br /> Cambria Environmental Technology, Inc (Cambria) prepared this report on behalf of Equilon <br /> Enterprises LLC dba Shell Oil Products US (Shell) in accordance with the quarterly reporting <br /> requirements of 23 CCR 2652d <br /> SECOND QUARTER 2002 ACTIVITIES <br /> Blaine Tech Services,Inc (Blaine) of San Jose, California gauged and sampled all site wells and <br /> prepared a summary table of field gauging data and petroleum hydrocarbon and methyl tertiary <br /> butyl ether concentrations Cambria prepared a site vicinity map (Figure 1) and a groundwater <br /> contour/cherrucal concentration map(Figure 2) Blaine's report, presenting the laboratory report, <br /> is included as Appendix A <br /> Cambria submitted a Site Investigation Work Plan on June 17, 2002 proposing additional <br /> investigation in the northwest dispenser area <br /> ANTICIPATED THIRD QUARTER 2002 ACTIVITIES <br /> Oakland CA <br /> San Ramon CA Blaine will gauge and sample the site wells according to the existing sampling schedule and <br /> Sonoma CA tabulate the data Cambria will prepare a groundwater momtonng report <br /> Cambria <br /> Environmental <br /> Technology,Inc <br /> erkms Street <br /> f <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />