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l <br /> B O R I N G L O G <br /> . Project No. Boring & Casing Diameter Logged By n <br /> KEI-P89-1104 911 211 W.W. <br /> y <br /> Project Name Unocal Well Head Elevation Date Drilled <br /> 7303 Pacific, Stocktn N/A 10/11/90 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW2 Nethod Auger West Hazmat <br /> Penetration G. W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> O <br /> Asphalt Pavement over sand and gravel. <br /> Clay, trace sand, trace mica, moist, <br /> CH stiff, very dark gray. <br /> 5 <br /> 4/8/12 _ Silt, trace very fine sand, moist, <br /> ML/ very stiff, brown. <br /> MH <br /> CL/ Clay, trace silt, light olive gray <br /> No data CH with trace organic matter, trace root <br /> available holes, iron oxide staining, moist, <br /> stiff. <br /> 10 Clay as above. <br /> 5/14/20 _ <br /> Clayey silt, trace fine sand, slightly <br /> = micaceous, trace organic matter, <br /> ML/ moist, hard, brown with iron oxide <br /> MH r staining, trace black mottling. <br /> 15 <br /> 3/7/12 <br /> w Silt, trace clay, strong iron oxide <br /> staining, slightly micaceous, moist, <br /> very stiff, light olive brown. <br /> &Lan <br /> ay, trace silt, moist, stiff, brown <br /> 20 CL/ d olive gray. <br /> CH <br /> Page 1 of 4 <br />