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DEPTH SAMPLE o P.Q.D. USCS DESCRIPTION WELL <br /> NO. m CODE CONST. <br /> 1� 101 M� <br /> Silt trace clay and fine—grained sand brown, slightly <br /> 50 S-50 >50 ppmv damp, hard, (caliche veins, vertically and horizontally) <br /> - 52 - <br /> 54- 83 <br /> S-55 >50 Same sand, brown to light alive green, dry, hard, <br /> ppmv well consolidated <br /> - 56 - <br /> 58- S-58 >5D 205 Trace clay and fine—grained sand, light olive green, <br /> ppmv slightly damp, (yellow staining) <br /> F <br /> 60- <br /> fit <br /> t <br /> 54 <br /> S-65 >50 103 <br /> ppmv <br /> 66 - <br /> _ 68 - <br /> 70 - <br /> 6 6870 S-70 >50 ppmv Trace fine—grained sand brown, dry <br /> 72 - <br /> 74- <br /> S-75 <br /> 274S-75 >50 ppmv 5M Sandy silt, fine—grained sand, slightly damp <br /> 76 <br /> 78 <br /> 8D S-80 >50 ppmv <br /> T D. Total depth = 80-1/2 feet <br /> Boring terminated to construct vapor—extraction well <br /> tsALmAn LOG OF BORING: B-14/VW-7 PLATE <br /> &100 <br /> ff� A —/tis ARCO Service Station No. 34 <br /> 25775 South Patterson Pass <br /> RLE NO Tracy, California <br /> PROJECT NO. 30041-2 0041B11C <br />