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I <br /> DEPTH SAMPLE o PJ.D. USCS DESCRIPTION WELL <br /> NO. CODE CONST. <br />' 20 <br /> 278 Solt pale yellowish brown, some dark greenish yellow <br /> S-20 36 ppmv ML mottling, slightly damp, hard <br /> 22 <br /> 24 <br /> 26 S-25 32 pprngv No mottling <br /> 28- <br /> 30- <br /> S-30 <br /> 830S-30 56 � <br /> ppmv <br /> 32 <br /> I <br /> 34 <br /> 3fi S-35 58 p�prnv <br /> 38 <br /> S-40 >50 pp 6 Calcite veins <br /> 42 <br /> 44 <br /> S-45 53 1 m�v <br /> 46 pp <br /> TD Total depth = 46 feet <br /> Boring terminated to construct vapor—extraction well <br /> _ 48- <br /> - <br /> 8 50 <br /> LOG OF BORING= B-8/VW-1 PLATE <br /> 7APMt ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 1� <br /> PROJECT NO. 30041-2 004 05e Tracy, California <br />