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BORING LOG <br /> Project No. Boring& Casing Diameter Logged By 7-6 G <br /> KEI-P 88-1013 9" 2" W W CEG lG 33 <br /> Project Name Unocal S/S##5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue, Stockton 5/21/'92 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW l l Method Auger Woodward Drilling Company <br /> Penetration G,W. Depth Straft- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> 2/3/5 45 Silty clay,estimated at 25-30% silt, 10% sand and 5% <br /> rounded gravel to 1/2 inch in diameter,firm to stiff, moist, <br /> dark gray to dark greenish gray <br /> CL Silty clay as above except grayish brown <br /> 6/8/9 50 <br /> 7/7/9 55 Silty clay,estimated at 35-40% silt and 10%fine sand, <br /> slightly micaceous, moist,dark grayish brown,trace caliche <br /> ML Silt,estimated at 5-10%clay and 5-10%sand,micaceous <br /> ———— moist,gray <br /> --------------------- <br /> 14/24/36 <br /> 60 Silty clay,estimated at 5-10% sand and 25-30% silt, <br /> CL micaceous,hard,moist,grayish brown <br /> I <br /> _ Silt,estimated at 10%clay and 10% sand, micaceous,very <br /> HNI . —— stiff,saturated,dark:greenish gray <br /> _—_— Low pla,%Ulty clay,iocalmed areas of high consolidation <br /> 6S micaceous,hard,very moist to saturated, micaceous,hard <br /> 9/17/32 CL very dark greenish gray <br /> Page 3 of 4 <br /> CONFIE--iffIAL <br />