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B O R I N G L 0 G <br /> Project No. Boring & Casing Diameter Logged By <br /> KEI-P89-1104 911 211 W.W. <br /> Project Name Unocal Well Head Elevation Date Drilled <br /> 7303 Pacific, Stocktn N/A 10/12/90 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW3 Method Auger West Hazmat <br /> Penetration G. W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> 23/27 Silty clay, trace organic matter, <br /> trace caliche, moist, hard, light <br /> olive brown. <br /> CL/ <br /> CH Silty clay, trace fine-grained sand, <br /> trace caliche, trace root holes and <br /> 45 organic matter, moist, hard, light <br /> 13/18/21 olive gray. <br /> --W Clayey silt, trace sand, slightly <br /> ML/ - micaceous, moist, hard, light olive <br /> 50/611 50 MH - brown. <br /> - Clayey silt, trace sand, slightly <br /> 55 micaceous, moist, hard orange brown <br /> 30/50/for with trace olive gray mottling. <br /> 511 <br /> 17/34/35 60 Clayey silt, saturated at 59-1/4 feet. <br /> Page 3 of 4 <br />