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Gettler-Ryan, Inc. Log of Boring MW-20 <br /> PROJECT Former Unocal Service Station No 2859 LOCATION 1665 Pacific Avenue, Stockton, California <br /> GR PROJECT NO 24007206 CASING ELEVATION <br /> DATE STARTED 03/06/02 WL (ft bgs) DATE TIME <br /> DATE FINISHED 03/06/02 WL (ft bgs) DATE TIME <br /> DRILLING METHOD 8 )n Hollow Stem Auger TOTAL DEPTH 90 feet <br /> DRILLING COMPANY Woodward Drilling, Inc GEOLOGIST Sean O'Grady <br /> w <br /> cri <br /> ZEn <br /> o (nn WELL DIAGRAM <br /> z L) -Cc GEOLOGIC DESCRIPTION <br /> LU w <br /> ch J J 2 C7 <br /> 0. a o a J <br /> LU�' a a cc o <br /> 0. m Cn Cil 3 (n <br /> CL CLAY (CL) - olive brown (2 5Y 4/4), damp, very stiff, <br /> non-plastic 80% clay, 20% silt <br /> 84 32 MW-20-5 <br /> 5 <br /> 30 B >100 MW-20-10 Color changes to olive brown (2 5Y 4/3), becomes <br /> hard <br /> 53 3 >100 MW-20-15 Becomes brittle <br /> U <br /> a <br /> 15— <br /> Q3 <br /> 0 <br /> a <br /> b w <br /> � U <br /> fi <br /> U ip <br /> h � <br /> 124 >100 MW-20-20 <br /> ro <br /> A <br /> 20 _ _ _ <br /> SW SAND (Sw) - dark grayish brown {2 5Y 4/2), moist to <br /> wet, very dense, non-plastic 95% sand, 5% silt <br /> 517 >100 MW-20--25 <br /> 25 _ <br /> CL CLAY (E) - alive brown (2 5Y 413}, very moist, very <br /> stiff, medium plasticity 80% clay, 20% silt <br /> 121 31 MW-20-30 <br /> 30- <br /> 974 <br /> a974 70 MW-20-35 Becomes hard <br /> 35 <br /> JOB NUMBER 240072 08 Page 1 of 3 <br />