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1 <br /> Drilling Log <br /> 700EDIITECHNOLOGY <br /> GROUNDWATER SOII Borin G <br /> g <br /> Project STHL/9110 Thorton Rd Owner The Southland Corporation <br /> Location Stockton, CA Project No 020301211 Date drilled 1/13/93 <br /> O«?+ m <br /> aw �a �L)o ap Description <br /> C3 �° E sI �� N (Color, Texture, Structure) <br /> 10 0 U) Trace a 10%, Little 10X to 20%. Some 20% to 35%. And 35X to 50X <br />' 24 7 Clayey SAND, tan, about 70% fine sand, about 20% clay, about 10% silt <br /> 17 (moist, no hydrocarbon odor, dense) <br /> 0 25 20 <br /> 26 Sc <br /> 1 <br /> 28 SAND, tan/brown, about 50% coarse sand, about 20% fine sand, about 15% <br />' pebbles, about 10% silt, about 5% clay (most, no hydrocarbon odor, medium <br /> 15 dense) <br /> 30 16 <br /> 0 3o Is sw <br />' 32 <br /> r 34 8 <br /> 12 <br /> 0 35 16 Clayey SILT, brown, about 70% silt, about 30% clay (slightly moist, no <br /> 38 hydrocarbon odor, very stiff) <br />' 38 <br /> 6 ML <br /> 7 <br />' 40 0 40 13 (Stiff) <br /> - 42 - <br /> 44- <br /> 244 f7 <br /> 18 (Very Stiff) <br /> 0 45 20 <br /> 46 Ended boring at approximately 45 5 feet below grade <br /> 48 - <br /> 50 - <br /> - 52 - <br /> -54 - <br /> 56 <br /> 850525456 <br /> 03/11/19931ithiog-1an93 Page 2 of 2 <br />