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Drilling Log <br /> GROUNDWATER SOII Borin <br /> EEMTECHNOLOGY 9 J <br /> Project STHL/9110 Thorton Rd Owner The Southland Cor oration <br /> Location Stockton CA Project No 020301211 pate drilled 2/18 993 <br /> F7r� N <br /> Q Qa a> op tQ Description <br /> Q�� ao <br /> n" a s e a e a-J N (Color, Texture, Structure) <br /> 90.2 o U) Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> Nx <br /> 24— !4 •. <br /> 15 <br /> 71 25 17 (Very Dense) <br /> 26 SP <br /> 1 <br /> 28 — <br /> t7 <br /> 18 SIN30 <br /> 15 30 21 SAND, tan, about 50% fine sand, about 30% medium sand, about 10% course <br />' sand (slightly moist, no hydrocarbon odor, dense) <br /> 32 <br /> 34- 11 <br /> 14 <br /> 5 35 18 SILT, tan, about 60% silt, about 30% clay, about 10% fine sand (slightly <br /> 36 moist, hydrocarbon odor present, very stiff) <br /> 38 - <br /> 0 ML <br /> a <br /> 40 <br /> 5 4 40 20 (Stiff) <br /> 42- <br /> 44 '0 <br /> 24420 <br /> I 50 (Hard) <br /> 0 45 38 <br /> 46 Ended boring at approximately 45 feet below grade <br /> 48 - <br /> 50 - <br /> 52 - <br /> 54 - <br /> 56 <br /> 850525456 <br /> I03/11/1993 1 thfog-1an93 Page 2 of 2 <br />