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f <br /> F <br /> SAMPLE P.I.D. USCS DESCRIPT10N WELL <br /> DEPTH NO. CODE CONST. <br /> i <br /> B0 S--80 81 pPmv MI Silt trace clay, dark yellowish brown, dry, non—plastic, hard <br /> 82 <br /> $4 <br /> S-85 91 P�7 Silt some sand, fine—grained sand <br /> 86 <br /> 88 <br /> S-90 >50 15 <br /> 90 ppmv <br /> Boring terminated at 90-1/2 feet to construct <br /> 92 vapor—extraction well <br /> 94 <br /> 96 <br /> 98 <br /> 100 <br /> 102 <br /> —1 D4 <br /> 106 <br /> 108 <br /> 110 � I <br /> r <br /> I <br /> /��'A'Akm` LOG OF BORING, B-25/VW-15 PLATE <br /> ARM' <br /> ` ANMU ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 18 <br /> 004 <br /> JPROJECT NO. 34041 04 N01 C9D Tracy, Cailfornia <br />