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g <br /> ca <br /> DEPTH SAMPLE im P.I.D. t1SC5 DESCRIPTION WELL <br /> N0. ; CODE: COLT. <br /> 50 <br /> 76 Silt trace clay, moderate brown, slightly dcmp, <br /> S-51 62 ppmv fdL siight plasticity, hard. <br /> 52 ;t <br /> 54 <br /> 56 5-56 51 ppmv Stet Silt some fine—grained sand, light brown. <br /> 58- <br /> 60- <br /> 5-61 17 34ppmv ML Silt, light brown—light olive green, <br /> 62 <br /> ' 0 <br /> 64 = <br /> Silt trace fine—grained sand, moderate brown, <br /> 66 5-65 23 wet. very stiff. <br /> I <br /> ., . <br /> v <br /> -T- <br /> 68- <br /> -70- <br /> S-71 <br /> 8705-71 23 Silt some fine—grained sand. <br /> 72 <br /> i <br /> 74 <br /> Slw Sand, fine— coarse—grained, brown, dense. <br /> 76 5-75 42 <br /> SM Sandy silt, fine—sand, hard. <br /> 78- <br /> Ground—water encountered at approximately 64 feet. <br /> Boring terminated at 75 feet and converted to <br /> SQ ground--water/vapor extraction well. r <br /> ;u <br /> i <br /> " LOG OF BORINGi B6/MW2 PLATE i <br /> ARCO Service Station No. 2130 <br /> 7908 North EI DoradoStreet C19 <br /> PROJECT NO. 30003-4 0t 03D5c Stockton, California <br /> rw <br />