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Gettler—Ryan Inc. Log of Boring VW-7 <br /> PROJECT Tosco (Unocal) Service Station No 6981 LOCATION 4707 Pacific Avenue, Stockton, CA <br /> PROJECT NO 14012405 CASING ELEVATION <br /> DATE STARTED 08/16/99 WL (ft bgs) 2825 DATE 06/17/99 TIME 820AN <br /> DATE FINISHED 08/16/99 WL (ft bgs) 2866 DATE 06/18/99 TIME 800AM <br /> DRILLING METHOD 8"hollow-stem auger TOTAL DEPTH 86 Feet <br /> DRILLING COMPANY Woodward Drilling GEOLOGIST Mike M <br /> w <br /> * m <br /> 7: r o ur WELL DIAGRAM <br /> z <br /> CL ILL GEOLOGIC DESCRIPTION <br /> a w 0 <br /> LU ami of a a o <br /> a a oa cn us co cn <br /> Concrete <br /> CL <br /> j128 53 VW-7-6 CLAY (CL) - dark reddish brown (SYR 3/3), moist, <br /> hard, 95% clay, S% fine sand and silt <br /> i <br /> I <br /> 10 <br /> 4 4 23 VW-7-11 SILTY CLAY (CL) - reddish brown (5YR 414), moist <br /> very stiff, 60% clay, 40% silt <br /> 0 <br /> v <br /> W Q7 <br /> U C V <br /> 8 7 49 VW-7-18 ro <br /> Color change to reddish gray (SYR 5/2), becomes ' <br /> hard, medium plasticity, 65% clay, 35% silt <br /> 20 <br /> 207 35 VW-7-21 Slight hydrocarbon odor <br /> 25 <br /> 902 35 VW-7-26 Color change to reddish brown (SYR 414), becomes <br /> dry, 75% clay, 25% silt,hydrocarbon odor <br /> ML <br /> JOB NUMBER 140124 05 Page 1 of 3 <br />