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�1ll 1 <br /> r ti <br /> C A M B R I A <br /> 25 September 4, 2002 <br /> Ms Lori 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 /> Former Texaco Service Station <br /> 440 West Charter Way <br /> Stockton, California <br /> SAP Code 1212511 <br /> Incident No 88870583 <br /> SJCPHSIEHD Site Code 1055 <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 the site wells and <br /> prepared a summary table of field gauging data and laboratory analytical results Cambria <br /> compiled the additional constituents and oxygenates (Table 1), prepared a site vicinity/well <br /> survey map (Figure 1), and prepared a groundwater contour/chemical concentration snap <br /> (Figure 2) Blaine's report, presenting the laboratory report, is included as Appendix A Cambria <br /> received San Joaquin County Environmental Health Department's (EHD) March 5, 2002 letter <br /> and issued a work plan for further site investigation dated April 24, 2002 <br /> THIRD QUARTER 2002 ACTIVITIES <br /> Blaine will gauge and sample the site wells according to the existing sampling schedule and <br /> Oakland CA tabulate the data Cambria will prepare a groundwater monitoring report Cambria conducted <br /> San Ramon, CA site investigation field activities in August 2002 The finding of this investigation will be <br /> Sonoma, CA documented in a separate site investigation report <br /> Cambria <br /> Environmental <br /> Technology,Inc <br /> IOerkms Street <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />