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DOTH SAMPLE o P�.D, USCS DESCRIPTION WELL <br /> NO. m CODE CONST, <br /> • S-20 53 204 ML Silt trace clay and fine—grained sand, light olive green <br /> 20 ppmv slightly damp, hard, (caliche in soil sample) <br /> 22 <br /> 24- <br /> S-25 59 P 33 Silt some sand, fine—grained sand, brown <br /> 26 <br /> 28 <br /> ,30- S-30 68 ppmv (vertical and horizontal yellow orange staining) <br /> 32 <br /> 34- <br /> S-35 88 247 <br /> 7Trace clay and sand fine—grained sand (cofiche) <br /> 36- ppmv <br /> 38 <br /> 40 S-40 60 ppmv Trace clay <br /> 42 <br /> 44- <br /> S-45 >S0 134 <br /> ppmv <br /> 46 <br /> 4$ <br /> 5-50 >50 101 Trace clay and fine—grained sand (caliche veins vertically <br /> 50 ppmv and horizontally) <br /> (section continues downward) <br /> �AwAL/An LOG OF BORING: B-14/VW-7 PLATE <br /> i— WAV VAF S ARCO Service Station No. 6100 �g <br /> 25775 South Patterson Pass <br /> PROJECT NO. 30041-2 Tracy, California <br /> 0041B119 <br />