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G <br /> GeoStrateg(es, Inc. Log of Boring U—J <br /> PROJECT FORMER UNOCAL STATION #0187 LOCATION 437 E Miner Avenue, Stockton, CA <br /> GSI PROJECT NO 4827703 CASING ELEVATION <br /> DATE STARTED 7/6/94 WL (ft bgs) DATE TIME <br /> DATE FINISHED 7/6/94 WL (fl bgs) DATE TIME <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 415 Feet <br /> DRILLING COMPANY West Hazinat GEOLOGIST Steve Carter <br /> LLw <br /> * m <br /> r 0 to <br /> CL = '" c� GEOLOGIC DESCRIPTION REMARKS <br /> LU <br /> 7 �► (n 1 <br /> d d G <br /> W 0 <br /> m—, CL m c5 (n C7 (n <br /> CL <br /> Backfilled to ground <br /> surface with neat cement <br /> 5 4 7 UJ-65 CLAY (CL) - brown (10YR 5/3), stiff, damp, low to <br /> medium plasticity, 85-90% clay, 10-15% fine to <br /> medium sand, <br /> 10 2 14 UJ-11 5 moist, medium plasticity, clay increasing to 90-95% <br /> 15 0 22 UJ I8 5 clay increasing to 95-10OX <br /> SC <br /> 20 CLAYEY SAND (SC) - dark brown (7 5YR 3/4), <br /> 0 22 UJ-215CL medium dense, moist, 75-80% fine to medium sand, <br /> 20-25% clay <br /> 2518 34 UJ-28 0 CLAY (CL) - greenish gray (5GY 6/1), hard, moist. <br /> UJ-26 5 medium plasticity, 100% clay <br /> color change to olive gray (SY 5/2). sand increases <br /> 30 0 4! UJ-315 to I0-15% fine sand, lightly mottled, dark yellowish <br /> SP-SC brown (IOYR 3/4) <br /> I' CL =SAN10) H CLAY (5P-SC) - dark grayish brown <br /> 35UJ-36 0 ), dense, moist 90% fine sand, 10% clay <br /> 4 52 UJ-36 5 <br /> SC SANDY CLAY (CL) - olive gray (5Y 4/2), hard, <br /> moist, low to medium plasticity, 75-80% clay, 20-25% <br /> 40fine sand <br /> 80 43 UJ-415 <br /> SANDY CLAY (SC) - dense, moist, 75-80X fine to <br /> medium sand 20-25% clay <br /> 45 (�( - converted to equivalent standard penetration <br /> blows/ft) <br /> 50- <br /> 55- <br /> 60- <br /> 65 <br /> 0556065 <br /> 1701 <br /> JOB NUMBER 4827 703 Page 1 of 1 <br />