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Drilling Log • <br />GROUNDWATER <br />❑❑ TECHNOLOGY <br />Project Chevron -Charter Way, Stockon Owner Chevron USA Products Company <br />8 Ch t r WB Stockton CA Proi No 02070 007' <br />Soil Boring SB -1 <br />Location <br />50 <br />e arv <br />Description <br />T <br />o <br />m <br />n= <br />pE <br />n <br />v oo o <br />n 0 <br />LQ <br />o o <br />v� <br />U <br />(Color. Texture, Structure) <br />n <br />U� <br />a 0 <br />E x <br />� g ¢ <br />0 <br />rn <br />V) <br />Trace < 10X, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br />N m K <br />24 <br />Sandy silty CLAY (cont). <br />Se -I <br />CL <br />(grades sandy) <br />8 <br />-25' S <br />6 <br />Medium SAND with clayey sand lenses: green -gray, moist, moderate <br />26 <br />hydrocarbon odor. <br />X. <br />W/s <br />28 <br />30 <br />Se -1 <br />Clayey silty very fine SAND (30,30,40): moderate to strong hydrocarbon <br />206 <br />-30' <br />g <br />odor. <br />12 <br />32 <br />ML <br />34 <br />Medium SAND: green -gray, clean, loose, well sorted, moist, moderate <br />56-1 <br />hydrocarbon odor. <br />14 <br />-35' 8 <br />•; <br />SW <br />36 <br />2 <br />15 <br />End of boring. <br />-38- <br />-40- <br />-42- <br />42 <br />-44- <br />44 <br />46- <br />46 <br />-48- <br />48 <br />-50 <br />50 <br />-52- <br />54- <br />-56- <br />56 <br />- <br />Pana' 2 of 2 <br />04/12/1995 fit Nog-mar93 <br />