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.r <br /> r'F{ HEAL711 <br /> C A M B R I A �f ; Tyf-dVfrr <br /> i <br /> 03 <br /> SEP 12 PM (= 04 <br /> September 8, 2003 <br /> Ms Vickie Mc Cartney , � +i D3 <br /> San Joaquin County Environmental Health Department 04 <br /> 304 East Weber Avenue, Yd Floor r <br /> Stockton, California 95202 f d <br /> Re Groundwater Monitoring Report—Third Quarter 2003 <br /> Shell-branded Service Station <br /> 1071 North Main Street <br /> Manteca, California <br /> SAP Code 135570 <br /> Incident No 98995643 <br /> SJCEHD Site Code 506313 <br /> Dear Ms McCartney <br /> On behalf of Equilon Enterprises LLC dba Shell Oil Products US (Shell), Cambria <br /> Environmental Technology, Inc (Cambria) is submitting this groundwater monitoring report in <br /> accordance with the quarterly reporting requirements of 23 CCR 2652d <br /> THIRD QUARTER 2003 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 an area well survey map (Figure 1) and a <br /> groundwater contour/chemical concentration map (Figure 2) Blaine's report, presenting the <br /> laboratory report,is included as Appendix A r <br /> ANTICIPATED FOURTH QUARTER 2003 ACTIVITIES 3. <br /> Blaine will gauge and sample the site wells and tabulate the data Cambria will prepare a <br /> monitoring report <br /> Oakland CA <br /> Sonoma CA CONCLUSIONS AND RECOMMENDATIONS <br /> Portland 0R <br /> S e a t t I e w A The concentration of gasoline constituents detected to groundwater samples during this quarter's <br /> Cambria monitoring event are consistent with the historical norm for this site <br /> Environmental <br /> Technology,Inc <br /> Oerkins Street <br /> PO Bax 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-6$50 <br /> Fax(707)935-6649 <br />