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1 <br /> Drilling Log <br /> 000❑® GROUNDWATER SOII Borlh F <br /> TECHNOLOGY 9 <br />' Project STHL/9110 Thorton Rd owner The Southland Corporation <br /> Location Stockton CA Project No 020301211 Date drilled 1/12/93 <br /> d�:;- <br /> a} C3a 0002. �� Description <br /> aVU co <br /> o` �`a e s �-' m (Color, Texture, Structure) <br /> n °¢ ? Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> *n m x <br />' <br /> 24- 15 • . <br /> 17 <br /> 01 25 22 . . SAND, brown, about 70% fine sand, about 30% silt (moist, no hydrocarbon <br /> 26 odor, dense) <br /> 1 <br /> 28 ' <br />' _• - 5P <br /> e <br /> 13 <br /> 30 <br /> 01 30 17 (Dense) <br />' 32 - <br /> - 34- <br /> 2 34 7 <br /> I7 <br /> 0 35 l8 Clayey SILT, brown, about 60% silt, about 30% clay, about 10% fine sand <br /> 36 (slightly moist, no hydrocarbon odor, very stiff) <br /> 38 - <br /> 8 ML <br /> 11 <br /> -40- <br /> I0 1 40 15 <br /> 42 <br /> I <br /> 44 7 (Stiff) <br /> I B <br /> 0 45 12 <br /> 46 Ended boring at approximately 45 5 feet below grade <br /> -48 - <br /> 50- <br /> - 52 - <br /> - 54 - <br /> 56 <br /> 85052 5456 <br /> 03/11/1993 hthlag—ian93 Page 2 of 2 <br />