Laserfiche WebLink
E [E�j E L <br /> DEC 1 6 2002 <br /> C A M B R I A <br /> ENVIRONMENT NFaLT <br /> 0 PERVOITISERViCES <br /> December 12, 2002 <br /> Ms Margaret Lagono r <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue, 3rd Floors-i n <br /> Stockton,California 95202 �*4 <br /> n,gyp ce eT�, <br /> Re Groundwater Monitoring Report— Fourth Quarter 2002 <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 Lagono <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 reporting requirements of 23 CCR 2652d <br /> FOURTH 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 groundwater chemical analytical data <br /> Cambria summarized the analytical results for oxygenates (Table 1), prepared a site vicinity/well <br /> survey map (Figure 1), and prepared a groundwater contour/chermcal concentration map <br /> (Figure 2) Blaine's report, presenting the laboratory report, is included as Appendix A <br /> ANTICIPATED FIRST QUARTER 2003 ACTIVITIES <br /> Blaine will gauge and sample the site wells and tabulate the data Cambria will prepare a <br /> monitoring report <br /> Oakland CA CONCLUSIONS AND RECOMMENDATIONS <br /> San Ramon CA <br /> Son o m a CA The concentration of gasoline constituents detected in groundwater samples during this quarter's <br /> Cambria monitoring event are consistent with the historical norm for this site <br /> Environmental <br /> Technology, Inc As mentioned in last quarter's monitoring report, Cambria recommends reducing fuel oxygenate <br /> O'kins Street and lead scavenger analysis from quarterly to annually in all wells at this site Groundwater <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />