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BORING LOG <br /> Project No Boring Diameter 8 75" Logged By <br /> KEI-P88-1013 P4 Casing Diameter 2" T S CSG �G 3 3 <br /> Project Name Unocal SIS#5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue,Stockton NIA 11/20/95 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW 17 Method Auger Woodward Drilling <br /> Pene- GW O V M Depth Stratigraphy <br /> tration IeveI (P P M) (feet) USCS Description <br /> blows/6" Samples <br /> 0 <br /> ;Conc;retelab <br /> Silty sand, trace gravel, loose, moist, dark yellowish brown,fill <br /> 9110114 5 —__= Silt with sand, estimated at 15-20% very fine to fine-grained sand, <br /> trace clay, very stiff,moist,dark yellowish brown <br /> Silt with sand,estimated at 10-20% fine-grained sand,5-15%clay, <br /> 9112117 10 —mm= very stiff,moist,dark yellowish brown, light brownish gray mottled, <br /> with caliche <br /> ML =-- <br /> 619113 15 __=_= Silty very fine to fine-grained sand,trace clay,stiff to very stiff, most, <br /> dark yellowish brown and light brownish gray, mottled <br /> —__= Sandy silt,estimated at 30-40%very fine to fine-grained sand,trace <br /> 41619 20 —_—= clay, stiff,moist, dark yellowish brown and light brownish gray <br /> mottled <br /> Page 1 of 3 <br />