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Gettler—Ryan Inc. Log of Boring Mw-15 <br /> PROJECT Tosco (Unocal) Service Station No 6.981 LOCATION 4707 Pacific Avenue, Stockton, CA <br /> PROJECT NO 140124 05 CASING ELEVATION 1137 feet MSL <br /> DATE STARTED 08/18/99 WL (ft bgs) DATE TIME <br /> DATE FINISHED 08/18/99 WL (ft bgs) DATE TIME <br /> DRILLING METHOD 8"hollow--stem auger TOTAL DEPTH 41 Feet <br /> DRILLING COMPANY Woodward Drilling GEOLOGIST Mike M <br /> CcLU <br /> CD <br /> * o cn WELL DIAGRAM <br /> z rn <br /> cl LLz GEOLOGIC DESCRIPTION <br /> S n (_n - Z U <br /> d" p a <br /> w v o -ia a = o <br /> C3 « a m cn o) co (n <br /> Concrete <br /> CL <br /> 5 <br /> 10 5 31 MW-t5-8 SILTY CLAY (CL) - reddish brown (5YR 4/3) and <br /> black (5YR 2 5/1), dry, very stiff, 70% clay, 30% silt v <br /> m� <br /> a ca <br /> Q <br /> 4+ <br /> b <br /> I U <br /> 1Q <br /> B 8 27 MW-15-11 Color change to reddish brown (5YR 4/3), becomes <br /> 55% clay, 46% silt N <br /> 6 0 54 MW-15-16 Becomes hard <br /> r <br /> r <br /> W <br /> 20 = <br /> 8 3 35 MW-15-21 U = — <br /> Color change to dark gray (5YR 5/1) and reddish _ <br /> yellow (5YR 6/8), becomes moist <br /> c — <br /> i <br /> ro <br /> E — I <br /> 25- <br /> 3 B 28 MW-t5-26 Becomes very stiff = <br /> JOB NUMBER 140124 05 Page 1 of 2 <br />