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DEPTH SAMPLE o P .D. USCS DESCRIPTION WELL <br /> NO. m CODE CONST. <br /> 20- <br /> S-20 42 0 ML Silt some clay, trace fine—grained sand, li ht olive green, <br /> ppmv slightly damp, hard, (trace orange staining <br /> - 22- <br /> 24- <br /> S-25 <br /> 224S-25 51 ppmv (orange staining) <br /> 26 <br /> 28 <br /> 30 S-30 34 ppmv Trace clay, brown, damp <br /> 32 <br /> 34 <br /> S-35 X50 32 <br /> ppmv <br /> 36 <br /> 38 <br /> 44 S--4PP <br /> 0 56 1mv <br /> 42 <br /> 44 <br /> S-45 85pPmv (orange staining) <br /> 46 <br /> TD Total depth = 45-1/2 feet <br /> Boring terminated to construct vapor—extraction well <br /> 48 <br /> 50 <br /> � LOG OF BORING: B-15/VW-6 PLATE <br /> P!�IFZMW�ArWAVMM ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 32 <br /> PROJECT NO. 30oo4i BND <br /> 2B Tracy, California <br /> 041-2 <br />