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r' T t <br /> C A M B R I A Fz =ICE <br /> 03 JUL 17 PM 12: 19 July 15, 2003 <br /> Mr Mike Infuma <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Street, Third Floor <br /> Stockton, California 95202 <br /> Re Groundwater Monitoring Report— Second Quarter 2001 <br /> Shell-branded Service Station <br /> 2494 East Fremont Street <br /> Stockton, California <br /> SAP Code 136141 <br /> Incident No 98996181 <br /> SJCEHD Site 506171 <br /> Dear Mr Infurna <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 /> Quarterly Groundwater Monitoring- Blaine Tech Services, Inc (Blaine) of San Jose, California <br /> gauged and sampled all site wells and prepared a summary table of field gauging data and <br /> petroleum hydrocarbon and methyl tertiary butyl ether concentrations Cambria prepared a <br /> summary table of additional groundwater analytical data (Table 1), a site vicinity/sensitive <br /> receptor survey map (Figure 1), and groundwater contour/chemical concentration map for both <br /> shallow and deeper zones (Figures 2 and 3) Blaine's report, presenting the laboratory report, is <br /> included as Appendix A <br /> Site Investigation Cambria submitted a Site Investigation Work PlanlResponse Letter on June <br /> 27, 2003 in response to the San Joaquin County Environmental Health Department (SJCEHD) <br /> letter dated May 21, 2003 The work plan proposes additional investigation activities for the <br /> Oakland CA subject site <br /> Sonoma CA <br /> gortland OR <br /> S e a t t l e WA ANTICIPATED THIRD QUARTER 2003 ACTIVITIES <br /> Cambria Quarterly Groundwater Monitoring Blaine will gauge and sample the site wells according to <br /> Environmental <br /> Technology,Inc the existing sampling schedule and tabulate the data Cambria will prepare a groundwater <br /> monitoring report <br /> Oe'rkins Street <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935`4850 <br /> fax(7o7)935-6649 <br />