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I <br /> WAMM SAMPLE Co WELL <br /> P.I.D. USCS DESCRIPTION <br /> . DEPTH NO. Id CODE CONST. <br /> — 50 — 47 <br /> S-50 72 ppm MI Silt trace clay, pale yellowish brown, dry, non—plastic, hard <br /> 52 <br /> 54 <br /> _ 56 — S-55 88 145 <br /> PP <br /> 58 <br /> 60 S_60 77 pp5 Silt trace fine—grained sand, dark yellowish brown <br /> 62 <br /> i <br /> 64 <br /> 65 S-65 77 pmv Clayey silt, pale green, low plasticity <br /> 68 <br /> 74 S-74 95 ppm Silt trace clay, dark yellowish brown, non—plastic <br /> 72 <br /> 74 <br /> S-75 >50 15 Sandy silt, fine—grained sand, dark yellowish brown, dry, non—plastic <br /> I 76 PPmV hard, (Weil consolidated) <br /> Baring terminated at 76 feet to construct vapor—extraction well <br /> 78 <br /> I <br /> I. <br /> ��sWr� goo of BORING B-23/VW-13 PLATE <br /> r <br /> i� W/V!■U ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 12 <br /> PROJECT NO. 30041 0041C7c Tracy, California <br /> i <br />