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ALTON GEOSCIENCE PRoJEcTNO. 30-01a9:01 DATE DRILLED-4/"2 <br /> LOG OF EXPLORATORY CLIENT Former Mobil Oil Bulk Plant 04343 BORING <br /> BORING LOCATION 500 E. Grantline Road Tracy,Cal-dornia B-14 <br /> i <br /> LOGGED BY G. Nieder-Westerrnann APPROVED BY <br /> Page 1 of 1 <br /> i . <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD CME-55 Hollow Sterni Auger HOLE DIAM. 8' <br /> s <br /> SEE FIGURE 2 SAMPLER TYPE Continuous <br /> CASING DATA N/A <br /> TOP OF CASING ELEVATION M DRILLER_ West Hazmat Drilling Corporation <br /> n DEPTH TO WATER 10, <br /> a <br /> E o-CL uJ DATE. 4/3192 <br /> g <br /> CL . v LL TIME 2:40 PM <br /> v ran a m° U a s DESCRIPTION <br /> 0 <br /> 2 damp,dark yellowish brown, silty CLAY. <br /> CL <br /> 4 <br /> stiff, damp, dark yellowish brown, silty CLAY. <br /> 6 If <br /> stiff, moist,moderate yellowish brown,clayey SILT. <br /> 0 ND/{VD 8 stiff, moist, moderate yellowish brown,clayey SILT; little <br /> ML fine-grained sand. <br /> 0 ND/ND 10 Q firm,wet, moderate yellowish brown,clayey SILT; some <br /> fine-grained sand. �. <br /> 12 <br /> Boring terminated at approximately 11-112 feet below grade. <br /> t <br /> L -- - - <br />