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A AV <br /> VW-3 VW-1 F-1B-1 9-3 <br /> 0 <br /> Dispenser Island Tank Cavity <br /> I <br /> ML <br /> 1oD/ND <br /> 0 ML <br /> ND/ND <br /> CL <br /> ND/ND <br /> 20 ND/0 012 ND/0 079 ° NQ/0 023 <br /> c ML ML <br /> 40/000590 <br /> i cz 44/ND <br /> 21/0150 <br /> 30 ` <br /> �' 150/065 <br /> SM Zi/ SP <br /> r <br /> 30/054/' <br /> t <br /> 11/0012 _ 150/065 <br /> Concentrations Of Total Petroleum <br /> Hydrocarbons As Gasoline In Parts Per <br /> Million (ppm)/Concentration Of Benzene <br /> EXPLANATION (ppm) Hydrocarbons Detected In Sop <br /> Samples Collected 6/11/92 <br /> ML Slit some clay, clayey silt, silt <br /> Depth Ground Water Encountered <br /> CL Clay trace slit, silty clay — <br /> Screened Interval Of Vapor Extraction <br /> SM Silty sand,flne—grained Well <br /> SP Sand, fine—grained <br /> 10 <br /> o Sop Sample Location <br /> ND Not Detected 5 <br /> 0 10 20 <br /> APPROXIMATE SCALE <br /> Map Modified from Map Provided by in feet <br /> Union Oil Company of California. <br /> i GEOLOGIC CROSS SECTION A-A' PLATE <br /> ARCO Service Station No. 2188 <br /> 441 West Charter Way 23 <br /> PROJECT NO. 810091009D o Stockton, California <br />