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r <br /> Y <br /> BORING LOG <br /> Project No. Boring & Casing Diameter Logged By <br /> KEI-P89-1104 9" 2" W.W. <br /> Project Name Unocal Well Read Elevation Date Drilled <br /> 7303 Pacific, Stocktn N/A 10/11/90 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW2 Method Auger West Hazmat <br /> Penetration G. W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> ML/ Clayey silt to silty clay, trace <br /> MH organic matter, slightly moist, hard, <br /> to brown. <br /> CL/ <br /> CH <br /> 45 Silt, with clay, trace caliche, trace <br /> 8/10/12 -- root holes, trace iron oxide stain- <br /> ing, moist, very stiff, light brown- <br /> ish gray. <br /> ML/ -- <br /> MH ==- <br /> 50 -TM Silt, with clay, slightly micaceous, <br /> 23/50 - moist, hard, light brownish gray <br /> grading to brown below 50. 5 ' with <br /> w� <br /> trace mottling. <br /> r f, <br /> Sand, well graded, trace fines, <br /> 55 SW micaceous, very moist, dense, orange <br /> 19/21/22 brown. <br /> 'IT-777-:17 <br /> Silty sand, trace clay, micaceous <br /> 27/28/27 - SM sand is very fine- to fine- grained <br /> saturated below 58. 6 ' , very dense, <br /> 60 "s-Y` s^" light olive brown. <br /> Page 3 of 4 <br />