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DEPTH SAMPLE 30 P.J.D.J USCS WELL <br /> DESCRIPTION CONST. <br /> N0. � GODS . <br />. 20 Silty clay, light alive green, slightly damp, • • •- <br /> S-20 59 ppmv ML hard, (horizontal orange staining, black - <br /> nodules) <br /> 22 <br /> 24- <br /> S-25 49 ppmv Clayey silt, damp, (black nodules) - <br /> 26 <br /> 28 , <br /> 34 S-30 47 ppmv Silt some clay, trace fine sand, brown, slightly damp <br /> 32 . <br /> _ 34- <br /> S-35 38 27 <br /> ppmv SP Sand fine—medium sand, dense <br /> 36 <br /> TD Total depth = 35-1/2 feet <br />. Boring backfilled with cement/bentonite slurry <br /> 38 <br /> 40- <br /> - 42- <br /> 44- <br /> - <br /> 44 <br /> 46- <br /> _ 48- <br /> - <br /> 50 <br /> =t1i LOG OF BORING: B-13 PLATE <br /> ARCO Service Station No. 6100 27 <br /> 25775 South Patterson Pass <br /> PROJECT NO. 30041-2 0041610E Tracy, California <br />