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Drilling Log <br /> ��❑❑® GROUNDWATER SOII Boring I <br /> TECHNOLOGY <br /> I Project STHL/9110 Thorton Rd Owner The Southland Corporation <br /> Location Stockton CA Project No 020301211 Date drilled 1/14/93 <br /> C.-. C U U N <br /> 40 <br /> 75,:: o a a oQ co Description <br /> pi]O O <br /> o-- �-� E a (Color, Texture, Structure) <br /> 1° <br /> in m a � a Trace < 10%, Little 10% to 20%, Some 2OX to 35X. And 35% to 50X <br /> x <br /> 24 - <br /> - 26 - <br /> 14 I 14 S C <br /> 28 IB <br /> 0 28 ,7 (Medium Dense) <br /> 30 <br /> 32 17Clayey SILT, brown about 70% silt, about 30% clay (slightly moist, no <br /> 26 <br /> hydrocarbon odor, hard) <br /> 0 33 32 <br /> 43611 34 - <br /> 36 - <br /> 11 <br /> 14 <br /> 38 ML <br /> 0 38 27 <br /> 40 <br /> - 42- <br /> 11 <br /> 15 <br /> 0 43 1s <br /> 44 12 <br /> 14 (Very Stiff) <br /> 0 45 15 11 1 <br /> 46 End boring at approximately 45 5 feet below grade <br /> 48 - <br /> 50 - <br /> 52 <br /> 85052 <br /> - 54 - <br /> 56 - <br /> 03/11/1993 <br /> 45fi03/11/1993 hthlog—ian93 Page 2 of 2 <br />