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BORING LOG <br /> Protect No. Boring& Casing Diameter Logged By yG 6 <br /> KEI-P 88-1013 9" 2" W W G '-_�7 G <br /> Protect Name Unocal S/S#5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue,Stockton 5/20/92 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW 10 Method Auger Woodward Drilling Company <br /> Penetration G.W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> 0 <br /> 4 inch concrete pavement over sand and gravel base <br /> Clay,trace sand,stiff,moist,very dark gray,trace rootlets <br /> CL/CH <br /> 5 Silty clay,estimated at 15% silt and 5%sand,firm,moist, <br /> brown to yellowish brown <br /> CL <br /> 10/15/16 Silty clay,estimated at 35% silt,slightly micaceous,very <br /> 10 stiff,moist,yellowish brown,trace caliche <br /> 10/11/15 15 __= Clayey silt,estimated at 15-20% clay,slightly micaceous, <br /> zzz very stiff,moist,brown to yellowish brown <br /> ML —__ <br /> 7/9/13 20 _m—_ Clayey silt as above <br /> Page l of 4 <br />