Laserfiche WebLink
i <br /> � AMBRIA <br /> March 1, 2004 <br /> Mr Michael Infurna <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, California 95202 <br /> Re Groundwater Monitoring Report- Fourth Quarter 2003 <br /> Shell-branded Service Station 2G <br /> 2575 Country Club Boulevard <br /> Stockton, California <br /> SAP Code 136144Uq <br /> Incident No 98996184 <br /> SJCEHD Site Code 1071 Z_y <br /> Dear Mr Infurna y <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 /> FOURTH QUARTER 2003 ACTIVITIES <br /> Blaine Tech Services, Inc (Blaine) of San Jose, California gauged and sampled the wells and <br /> prepared a summary table of field gauging data and petroleum hydrocarbon and methyl tertiary <br /> butyl ether (MTBE) concentrations Cambria prepared a summary table of additional <br /> groundwater analytical data (Table 1), a site vicinity map (Figure 1), and a groundwater <br /> contour/chemical concentration map(Figure 2) Blaine's report, presenting the laboratory report, <br /> is included as Appendix A <br /> REMEDIATION <br /> From March through June 1999, weekly groundwater extraction (GWE) was performed on well <br /> RW-lA From July 1999 to June 2000, GWE occurred bi-monthly Beginning June 2000 the <br /> GWE occurred weekly During each GWE event, approximately 5,000 gallons of water was <br /> purged by a vacuum truck and transported to the Martinez Refining Company for recycling On <br /> August 22, 2000 a pump was installed in RW-lA, which pumped into a Baker tank A vacuum <br /> Cambria truck emptied the tank and recycled the water as described above During March 2001, the Baker <br /> Environmental tank was removed and a vacuum truck was employed to extract groundwater directly from <br /> Technology,Inc <br /> RW-IA on a bi-weekly basis Vacuum truck events were discontinued after the July 17, 2001 <br /> Perkins Street event <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />