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a <br /> BORING LOG <br /> Project No. Boring & Casing Diameter Logged By <br /> KEI-P89-1104 9" 2" W.W. <br /> Project Name Unocal Well Head Elevation Date Drilled <br /> 7303 Pacific, Stocktn N/A 10/10/90 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW4 Method Auger West Hazmat <br /> Penetration G. W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> 21/27 ML/ - <br /> MH <br /> _ - Silt, clayey with very fine-grained <br /> 12/21/29 sand, trace iron oxide staining, <br /> = moist, hard, light olive gray. <br /> 25 <br /> 5/9/13 SM silty sand. <br /> MH Silt, very moist, dark gray. <br /> ML/ Silt, with very fine sand, very moist, <br /> MH -- very stiff, gray. <br /> 30 W Sand, fine- to medium-grained, moist, <br /> 14/20/30 SP dense gray. <br /> MH . - '-_ ' Silt,t„ Silt, trace fine sand, micaceous, <br /> moist hard ray. <br /> Sand, well graded, moist, very dense, <br /> SW = ',r light yellowish brown. <br /> 13/30/44 <br /> GW Sandy gravel, well graded, subrounded <br /> gravel to 1-3/4" diameter, moist, <br /> 35 °° ° very dense, light yellowish brown. <br /> 11/23/25 =_-- <br /> ML == <br />