Laserfiche WebLink
3 Y <br /> CAMBRIA <br /> 13 <br /> February 28, 2001 <br /> Mr Harlin Knoll <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 — Fourth Quarter 2000 <br /> Shell-branded Service Station <br /> 3725 Tracy Boulevard <br /> Tracy, California <br /> SAP Code 136186 <br /> Incident No 98996222 <br /> Dear Mr Knoll <br /> Cambria Environmental Technology, Inc (Cambria) prepared this report on behalf of Equiva <br /> Services LLC in accordance with quarterly reporting guidelines issued by the Central Valley <br /> Regional Water Quality Control Board and San Joaquin County Public Health Services, <br /> Environmental Health Division <br /> FOURTH QUARTER 2000 ACTIVITIES <br /> Groundwater Monitoring Blaine Tech Services, Inc (Blaine) of San Jose, California gauged <br /> and sampled all site wells and prepared a summary table of field gauging data and gasoline <br /> constituents Cambria prepared a site vicinity map (Figure 1) and a groundwater <br /> contour/chemical concentration map (Figure 2) Blaine's report, presenting the laboratory <br /> report, is included as Appendix A <br /> i <br /> Groundwater Remediation Monthly groundwater extraction using a vacuum truck (VacOps) <br /> began February 7, 2000 During the fourth quarter of 2000 groundwater was extracted from <br /> wells MW-lA on November 1, 2000 and December 12 and from BF-1 on <br /> December 12, 2000 A total of 4,783 gallons of groundwater were pumped from both wells <br /> during the fourth quarter of 2000 Groundwater extraction from well MW-2A was <br /> Oakland, CA discontinued as of September 8, 2000 A summary of the volume of groundwater extracted at <br /> San Ramon CA the site and an estimate of the amount of total purgeable hydrocarbons as gasoline (TPHg), <br /> Sonoma CA benzene, and methyl tertiary butyl ether (MTBE) removed during these extraction events is <br /> cambna presented in Table 1 <br /> Environmental <br /> Technology,Inc <br /> SPerkins Street <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />