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Brown and Caldwell <br /> r�i-aJitants <br /> cr^a 95814 7092 <br /> 23 <br /> 4 _ Fr137 <br /> May 14 1993 <br /> Mr Chuck Carmel <br /> ARCO Products Company <br /> Post Office Box 5811 <br /> San Mateo, California 94.402 017-6673-02/1 <br /> Subject Work Plan for Installation of Soil Vapor Extraction Air <br /> Sparge Wells and Monitoring Wells at ARCO Station 2133, <br /> Stockton, California, Site Code 1020 <br /> Dear Mr. Carmel <br /> This letter serves as a work plan for the installation of soil vapor extraction and air spargmg <br /> wells for ARCO Products Company (ARCO) Station 2133 located at 2908 Benjamin Holt <br /> Drive, Stockton, California This work plan will be submitted to the San Joaquin County <br /> Public Health Services, Environmental Health Division (County), for review and approval <br /> Prior to commencement of work at the site, all necessary permits will be acquired from the <br /> County <br /> The soil vapor extraction and air spargmg wells are being installed as an uutial step for <br /> remediation of the hydrocarbon affected soil at the site Figure 1 presents the proposed <br /> locations of the vapor and sparge wells Seven soil vapor extraction wells and six air sparging <br /> wells are proposed for this site The new wells will be connected to a vapor extraction and <br /> treatment system that will be installed in the near future Air will be extracted from the soil <br /> vapor extraction wells and air will be infected into the soil through the air sparge ng wells A <br /> groundwater extraction system is currently in operation at this site In addition to the soil <br /> vapor extraction and air sparge wells, two groundwater monitoring wells will be constructed <br /> The final locations and construction of these monitoring wells will be dependent on site access <br /> and will be determined at a later time <br /> 66734ZEPOECMWORK ILN <br />