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S� GeoStrategies, Inc. Log of Boring U--I <br /> PROJECT FORMER UNOCAL STATION OF0187 LOCATION 437 E Miner Avenue, Stockton, CA <br /> GSI PROJECT NO 4827703 CASING ELEVATION <br /> DATE STARTED 7/8194 WL (ft bgs) DATE TIME <br /> DATE FINISHED 7/8/34 WL (ft bgs) DATE TIME <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 18 5 Feet <br /> DRILLING COMPANY West Hazmat Drilling GEOLOGIST Steve Carter <br /> LLW <br /> x m <br /> o rn <br /> E w Z �W 0 .4 GEOLOGIC DESCRIPTION REMARKS <br /> Q \ W U <br /> n x a <br /> CL <br /> v s s <br /> W a Cotai tan co in <br /> CL <br /> 8ackhued to ground <br /> surface with neat cement <br /> 5 Fill - CLAY (CL) - very dark brown (10YR 3/2), stiff, <br /> 20 I2 UI-8 5 - CL damp,low plasticity. 80-85X clay, 10-15X tine to <br /> medium sand, 5X fine gravel, brick fragments, <br /> charcoal <br /> 10 0 24 1.1I-11 5 CLAY (CL) - black (10YR 2/1), stiff, damp, low <br /> plasticity. 100% clay <br /> color change to brown (10YR 5/3), becoming very <br /> 0 48 UI-16 5 stiff, moist, 5-10% fine sand, light Fe-oxide staining <br /> SANDY CLAY (CL) - dark brown (10YR 4/3), hard, <br /> moist, low plasticity 70-75% clay 25-30% fine to <br /> 20 coarse sand lightly mottled with Fe-oxide staining <br /> converted to equivalent standard penetration <br /> blows/ft) <br /> 25 <br /> 3a <br /> 35 <br /> 40 <br /> 45 <br /> 50 <br /> 55 <br /> 64 <br /> 65 <br /> 7a <br /> JOB NUMBER 4827703 Page 1 of 1 <br />