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BORING LOG <br /> Protect No. Boring& Casing Diameter Logged By 1T6 G <br /> KEI-P 88-1013 91, 2" W W <br /> Protect Name Unocal S/S #5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue,Stockton 4/8/92 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW 13 Method Auger Woodward Drilling Company <br /> Penetration G.W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> ,�St11nSLe aStiS S hard,mpjgroH <br /> ML —___ <br /> z-z—— Silt,slightly micaceous, very stiff,moist,brown <br /> 7/9/18 25 <br /> Silty clay,estimated at 30% fine-grained silt,trace sand, <br /> CL very stiff,moist,brown and grayish brown mottled <br /> --------------------- <br /> 7/9/15 30 pine-grained sand, with trace silt,slightly micaceous, <br /> medium dense,moist,gray with iron-oxide staining <br /> SP <br /> 507/12 35 Sand as above,medium dense,moist,brown to grayish <br /> brown <br /> --------------------- <br /> OH Elastic silt,estimated at 5% fine-grained sand,micaceous, <br /> very stiff,moist,grayish brown <br /> 7/12/18 40 _E <br /> SP 6 inch lens of fine-grained sand,medium dense,moist,gray <br /> —__—_ Silt,estimated at 5% fine-grained sand,micaceous,very <br /> stiff,moist,light brownish gray <br /> ML ---- <br /> Page 2 of 4 <br />