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- <br /> f jY <br /> ' <br /> t <br /> fid$ <br /> 4 <br /> wi <br /> WORK PLAN FOR SOIL EXCAVATION <br /> AND PRELIMINARY ASSESSMENT <br /> r t FORMER CHEVRON SERVICE STATION NO. 9-0342 <br /> 1347 SOUTH EL DORADO STREET <br /> STOCKTON, CALIFORNIA <br /> NOVEMBER 1989 <br /> i.t <br /> w= INTRODUCTION <br /> The following is a work plan to excavate hydrocarbon <br /> E,s contaminated soils at former Chevron U.S.A. Inc. (Chevron) <br /> Service Station No. 9-0342 located at 1347 South E1 Dorado, <br /> Lr� Stockton, California (Figure 1) . Soil excavation is being <br /> utilized as the first step in assessing the magnitude and extent <br /> of subsurface hydrocarbon contamination. Groundwater Technology, <br /> j <br /> Inc. (GTI) believes that prompt removal of the contaminated soil <br /> �.� in the vadose zone will greatly reduce the overall time required <br /> ;�. to completely remediate this site. <br /> This plan addresses the excavation of contaminated soil <br /> around the former underground storage-tank locations. Soil will <br /> be excavated to the apparent limits of contamination and./or to <br /> the limits of the equipment. The removed soil will be stockpiled <br /> on site pending proper treatment and/or disposal. Additionally, <br /> three groundwater monitoring wells will be drilled on site to <br /> determine if groundwater beneath this site has been impacted by <br /> petroleum fuel hydrocarbons. <br /> r i . <br />