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CAMBRIA o (� �� DD <br /> AUG 252V <br /> mIRaIMEnj HEALDA August 22, 2003 <br /> Mr Jeffrey Wong PERMaSERVICES 4 <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, California 95202 <br /> I <br /> Re Soil Vapor Extraction Work Plan <br /> Former Shell Service Station/Econo Gas �- <br /> 880 Victor Road <br /> Lodi, California <br /> SAP Code 135446 <br /> Incident No 98995526 <br /> SJCEHD Site Code 1746 <br /> Dear Mr Wong <br /> Cambria Environmental Technology, Inc (Cambria) prepared this work plan on behalf of <br /> Equilon Enterprises LLC dba Shell Oil Products US (Shell) to remove residual methyl tertiary <br /> butyl ether (MTBE) from soil near the underground storage tanks (USTs) using soil vapor <br /> extraction (SVE) This work was requested during our July 28, 2003 meeting with San Joaquin <br /> County Environmental Health Department (SJCEHD) and the Regional Water Quality Control <br /> Board (RWQCB) The scope of work presented in this work plan complies with SJCEHD and <br /> RWQCB guidelines <br /> SITE LOCATION AND DESCRIPTION <br /> The site is currently an operating Econo Gas station located on the southeast corner of the <br /> intersection of Victor Road and Beckman Road in Lodi, California (Figure 1) Shell ceased <br /> operations at the site during December 1998 and sold the station and property to the current <br /> owner during March 2001 The former Shell station layout included a service station building, <br /> two dispenser islands, a gasoline UST complex, and a former waste oil UST (Figure 2) The <br /> current Econo Gas station layout is similar to the former Shell station but also includes a diesel <br /> UST, installed by the current station owner in March 2002(Figure 2) <br /> Oakland CA <br /> Sonoma CA <br /> Portland OR PREVIOUS WORK <br /> Seattle WA <br /> 1994 UST Removal During December 1994, four single-walled steel USTs (two 10,000-gallon <br /> Cambria <br /> Environmental and two 6,000-gallon) and associated product piping were removed Petroleum hydrocarbons <br /> Technology,Inc were detected in soil samples collected from beneath the former dispenser islands and product <br /> piping and in the southeastern half of the UST excavation Fugro West, Inc (Fugro) of <br /> erkins Street <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> TW707)935-4850 <br /> Fax(7o7)935-6649 <br />