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r <br /> iU WE SAMPLE d PJ.D. USCS WELL <br /> DESCRIPTION <br /> DEPTH NO. ; CODE CONST. <br /> r <br /> 20 S-20 27 237MI/CI Clayey silt, greenish gray, dry, low plasticity, very stiff <br /> ppmV <br /> 22 <br /> 24 <br /> Ml <br /> 216 Silt trace clay and fine—grained sand, pale yellowish brown, <br /> — 26 - 5-25 31 ppmv non—plastic <br /> Boring terminated at 26-1/2 feet to construct <br /> r 28 vapor—extraction well <br /> 30- <br /> - 32- <br /> - 34 - <br /> - 36 - <br /> - <br /> I <br /> 34 <br /> 36 <br /> I <br /> 38 <br /> 40 <br /> I <br /> 42 <br /> 44 <br /> 46 <br /> 48 <br /> I 50 <br /> 52 <br /> PLATE <br /> �,I��1�1,,5 LOO OF BORlNO>, B-22/VW-12 <br /> s� MWAM <br /> 1111111R/VAN7 ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 9 <br /> PROJECT NO. 300410FILE NO Tracy, California <br /> 04106t' <br />