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GS1 GeoSlraleg(es, Inc. Log of Boring U—K <br /> PROJECT FORMER UNOCAL STATION 00187 LOCATION 437 E Miner Avenue, Stockton, CA <br /> GSE PROJECT NO 4827703 CASING ELEVATION <br /> DATE STARTED 7/6/94 WL (ft bgs) DATE TIME <br /> DATE FINISHED 7/6/94 WL (tt bgs) DATE TIME <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 465 Feet <br /> DRILLING COMPANY West t-lazmat GEOLOGIST Steve Carter <br /> U- <br /> W <br /> * m <br /> x o rn <br /> a w w GEOLOGIC DESCRIPTION REMARKS <br /> i-.-. +... x a- d 0. <br /> y a p S S d ►. <br /> W a m can con Cr (( n <br /> CL <br /> Backfilled to ground <br /> surface with neat cement <br /> 32 30 UK-a0 CLAY (CL) - very dark gray (10YR 3/1), very stiff, <br /> damp, medium plasticity, 100% clay <br /> SC <br /> 10CLAYEY SAND (SC) - yellowish brown (tOYR 5/6), <br /> 11 24 UK-115 medium dense, damp, 65-70% fine to medium sand, <br /> � � CL 30-35X clay <br /> 1513 42 UK-t6 5 CLAY (CL) - yellowish brown (IOYR 5/8). hard, moist, <br /> !ow to medium plasticity, 65-70% clay, 30-35X fine <br /> SC sand <br /> 20 2T 26 UK-21 5 CLAYEY SAND (SC) - very dark grayish brown <br /> (tOYR 3/2), medium dense, moist, 55-00% fine to <br /> CL medium sand 40-45% clay <br /> 25 28 22 UK-26 5 SANDY CLAY (CL)- very dark grayish brown OOYR <br /> 5/2), very stiff, moist low plasticity, 55-60% clay, <br /> 40-45% fine sand <br /> 30 59 28 UK-315 CLAY (CL) - dark gray (5Y 4/1), very stiff, moist, <br /> medium plasticity, 100% clay,product odor <br /> 35 7 55 UK-365 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,moist, 65-70% fine to <br /> medium sand, 30-35X clay, product odor <br /> 45 I no product odor <br /> 28 44 UK-465 <br /> 50 (m - converted to equivalent standard penetration <br /> blows/ft) <br /> 55- <br /> 60- <br /> 65- <br /> - <br /> 56Q65 <br /> rQ <br /> JOB NUMBER 4827 703 Page 1 of J <br />