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r - <br /> C A M B R I A <br /> March 3, 2004 <br /> Mr Jeffery Wong <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> Stockton,California 95202 <br /> Re Groundwater Monitoring Report- First Quarter 2004 & <br /> Analytical Reduction Request <br /> Former Shell Service Station <br /> 1313 East Charter Way RECEIVED <br /> Stockton, Califorma <br /> SAP Code 136138 MAR - 004 <br /> Incident No 98996179 VAR 8 � <br /> SJCPHS/EHD Site Code 000692 ENVIRONMENT HEALTH <br /> PERMIT/SERVICES <br /> Dear Mr Wong <br /> Cambria Environmental Technology, Inc (Cambna) prepared this report on behalf of Equilon <br /> Enterpnses LLC dba Shell Oil Products US (Shell) in accordance with the quarterly reporting <br /> requirements of 23 CCR 2652d <br /> FIRST QUARTER 2004 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 and laboratory analytical data Cambna prepared a <br /> well survey map (Figure 1) and a groundwater contour/chemical concentration map (Figure 2) <br /> Blaine's report,presenting the laboratory report, is included as Appendix A <br /> ANTICIPATED SECOND QUARTER 2004 ACTIVITIES <br /> Blaine will gauge and sample the site wells according to the existing sampling schedule and <br /> tabulate the data Cambna will prepare a groundwater monitoring report Cambria will also <br /> prepare a work plan for further site assessment activities and submit this work plan to San <br /> Joaquin County Environmental Health Department(EHD) for review and approval <br /> ANALYTICAL REDUCTION REQUEST <br /> Cambria Analysis of groundwater samples for fuel oxygenates and lead scavengers has been done at this <br /> Environmental <br /> Technology,Inc site for five quarters Di isopropyl ether (DIPE), ethyl tertiary butyl ether (ETBE), tertiary amyl <br /> methyl ether (TAME), methanol, ethanol, and ethylene dibromide (EDB) have not been detected <br /> �PeTkins Street in any of the groundwater samples collected from this site As this site is no longer an operating <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />