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aGeoStrateg(es, Inc. Log of Boring U—K <br /> PROJECT FORMER UNOCAL STATION#0187 LOCATION 437 E Miner Avenue, Stockton, CA <br /> GSI PROJECT NO 4827703 CASING ELEVATION <br /> DATE STARTED 7/6/84 WL (ft bgs) DATE TIME <br /> DATE FINISHED 7/6/94 WL (ft bgs) DATE TIME <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 46 5 Feet <br /> DRILLING COMPANY West Hazmat GEOLOGIST Steve Carter <br /> LLW <br /> m 0 <br /> a W w C-) GEOLOGIC DESCRIPTION REMARKS <br /> S titi fn -.1 1 S U <br /> CL a d <br /> fU f] 0 <br /> Cr <br /> Q w 2 W fan fan 3 fin <br /> CL <br /> Backfilled to ground <br /> surface with neat cement <br /> 32 30 UK-6 0 CLAY (CL) - very dark gray (lOYR 3/1), very stiff, <br /> damp, medium plasticity, 100% clay <br /> SC <br /> 10 11 24 UK-115 CLAYEY SAND (SC) - yellowish brown (10YR 5/6), <br /> medium dense, damp, 65-70% fine to medium sand, <br /> CL 30-35% clay <br /> i5 13 42 UK-1B 5 CLAY (CL) - yellowish brown (10YR 5/6), hard, moist, <br /> !ow to medium plasticity, 65-TO% clay, 30-35% fine <br /> SC sand <br /> 20 27 28 UK-215 CLAYEY SAND (SC) - very dark grayish brown <br /> (IOYR 3/2), medium dense, moist, 55-80% fine to <br /> CL med,um sand, 40-45% clay <br /> 25 28 22 UK-26 5 SANDY CLAY (CL) - very dark grayish brown (10YR <br /> 5/2), very stiff, moist, low plasticity, 55-80% clay, <br /> 40-45% fine sand <br /> 30- 59 26 UK-315 CLAY (CL) - dark gray (5Y 4/1), very stiff, moist, <br /> medium plasticity, t00% clay, product odor <br /> 35 7 55 UK-305 product odor <br /> SC <br /> 40 CLAYEY CLAY (SC) - dark grayish brown (2 5Y <br /> 88 49 UK-415 / 4/2), dense to very dense, most, 65-70% fine to <br /> medium sand, 30-35% clay, product odor <br /> 4526 44 UK-46 5 J no product odor <br /> 50 { - converted to equivalent standard penetration <br /> blows/ft) <br /> 55 <br /> 60- <br /> 65-: <br /> la <br /> JOB NUMBER 4827 703 Page I of I <br />