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i <br /> C A M B R I A HIEGc"EWE[o <br /> JAN 3 Y 2003 <br /> ENVIRONMENT HEALTH January 29 2003 <br /> PERP4IT/SERVICES <br /> Mr Harlin Knoll <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, California 95202 <br /> Re Well Destruction Work Plan <br /> Shell-branded Service Station <br /> 3725 Tracy Boulevard <br /> Tracy, California <br /> SAP Code 136186 <br /> Incident No 98996222 <br /> SJCEHD Site Code 1417 <br /> Dear Mr Knoll <br /> Cambria Environmental Technology, Inc (Cambria) prepared this work plan on behalf of <br /> Equilon Enterprises LLC dba Shell Oil Products US (Shell) as requested by San Joaquin County <br /> Environmental Health Department (EHD) during a January 21, 2003 telephone conversation with <br /> Cambria This work plan outlines the field activities proposed for the destruction of an onsite <br /> water supply well The proposed scope of work presented in this document complies with EHD <br /> and Central Valley Regional Water Quality Control Board (RWQCB)guidelines <br /> Site Background <br /> The subject site is located at 3725 Tracy Boulevard near Highway 205 in a mixed commercial <br /> and residential area of Tracy, California (Figure 1) The subject site is an operating Shell- <br /> branded service station with a station Iayout that includes four underground gasoline storage <br /> tanks (USTs)three dispenser islands, a car wash, and a station building (Figure 2) <br /> The water supply well was video logged on August 7, 2002 The findings of the video logging <br /> event were that the well is screened from 107 to 115 feet below grade The total depth of the <br /> well is approximately 115 feet deep The well casing is a six-inch diameter steel casing A <br /> Oakland CA concrete seal is present at the surface, but the depth of the seal is unknown <br /> San Ramon CA <br /> Sonoma CA <br /> Cambria <br /> Environmental <br /> Technology,Inc <br /> 0'rkins Street <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />