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BORING LOG <br /> Protect No. Boring& Casing Diameter Logged By S G G <br /> KEI-P 88-1013 9" 2" W W GE6 /", 3,3 <br /> Protea Name Unocal S/S#5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue,Stockton 5/20-21/92 <br /> Bormg No Drilling Hollow-stem DrilLng Company <br /> MW 12 Method Auger Woodward Drilling Company <br /> Penetration G.W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> rzzz <br /> __= Clayey silt,estimated at 35% clay and 5-10% sand,slightly <br /> 6/11/14 25 Ni ———= micaceous,very stiff,moist,mottled brown and gray <br /> --------------------- <br /> Silty clay,estimated at 35% silt and 5-10% sand,hard, <br /> 5/16/23 CL moist,brown to grayish brown mottled,trace pores,caliche <br /> common <br /> 30 Fine-grained sand,estimated at 5-10%Q silt and 5% clay, <br /> 9112/15 <br /> SP moist <br /> 6/10/14 Clay,estimated at 5-10% silt with trace sand,very stiff, <br /> 35 <br /> moist,brown to olive gray mottled,trace caliche <br /> CL <br /> 7/13/18 Silty clay,estimated at 35-40% silt and 5% sand,slightly <br /> 40 micaceous,very stiff,moist,olive gray and olive brown <br /> mottled,trace pores <br /> -------------------- <br /> SP Fine-grained sand, well sorted, moist,medium dense,gray <br /> Page 2 of 4 <br />