Laserfiche WebLink
C A M B R I A <br /> April 20, 2001 <br /> Mr. Mike Infurna <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third. Floor <br /> Stockton, California 95202 <br /> Re: Groundwater Monitoring Report — First Quarter 2001 <br /> Former Shell Service Station <br /> 1267 Country Club Boulevard <br /> Stockton, California <br /> SAP Code 129480 <br /> Incident No. 97093419 <br /> SJCPHS Site Code 505602 <br /> Dear Mr. Infurna: <br /> Cambria Environmental Technology, Inc. (Cambria) prepared this report on behalf of Equiva <br /> Services LLC in accordance with quarterly reporting requirements issued by the Central Valley <br /> Regional Water Quality Control Board and San Joaquin County Public Health Services. <br /> FIRST QUARTER 2001 ACTIVITIES <br />• <br /> Blaine Tech Services, Inc. (Blaine) of San Jose, California gauged all site wells, sampled <br /> selected wells, and prepared a summary table of field gauging data and diesel and gasoline <br /> constituents. Cambria compiled the oxygenate and lead scavenger data (Table 1), prepared a <br /> site vicinity map (Figure 1), and prepared a groundwater contour/chemical concentration map <br /> (Figure 2). Blaine's report, presenting the laboratory report, is included as Appendix A. <br /> ANTICIPATED SECOND QUARTER 2001 ACTIVITIES <br /> Blaine will gauge and sample the site wells according to the existing sampling schedule and <br /> tabulate the data. Cambria will prepare a groundwater monitoring report. <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Oakland, CA <br /> San Ramon, CA Groundwater analytical data from this quarter are consistent with previous data. In addition <br /> Sonoma. CA to the existing sampling schedule, groundwater samples from well S-2 were analyzed for <br /> Cambria methanol, ethanol, and fuel oxygenates which will continue on a quarterly basis. Cambria will <br /> Environmental continue to monitor groundwater analytical data for this site to evaluate the need for further <br /> Technology,Inc. investigation. If future groundwater analytical data indicate further investigation is <br /> aPerkins Street warranted, we will make recommendations accordingly. <br /> P.0.Box 259 <br /> Sonoma,CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />