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BORING LOG <br /> . Project No i Boring Diameter 8 75" Logged By <br /> KEI-P88-1013 P4 Casing Diameter 2" T S c L c l G 3 3 <br /> Project Name Unocal S/S #5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue, Stockton N/A 11/20/95 <br /> Boring No Drilling Hollow-stem Drilling Company <br /> MW17 Method gager Woodward Drilling <br /> Pene- GW O v M Depth Stratigraphy <br /> tration level (p p M) (feet) USCS Description <br /> blows/6" Samples <br /> 45 Clayey sand with silt, sand is very fine to medium-grained, estimated at <br /> 10/11/20 15-25%clay and 10-20% silt, medium dense to dense, moist, greenish <br /> SC gray, caliche <br /> ML <br /> _____ Silt, estimated at 10-20% clay, 10-15% very fine to fine-grained sand, <br /> 11/17/21 50 <br /> • —= very stiff to hard, moist,greenish gray, slightly friable <br /> --- <br /> -- --------- <br /> 5' Silty sand, estimated at 20-30%silt,trace clay, sand is predominantly <br /> 6/8111 $,$•$,f fine to medium-grained,medium dense, moist, greenish gray and olive, <br /> mottled <br /> SM <br /> 55 s'i's'i' Silty sand, estimated at 35,45% silt,trace clay, sand is predominantly <br /> 11/18/25 f` fine to medium-grained,medium dense to dense, wet,greenish gray, <br /> ra$ s' ish green in voids <br /> g Y <br /> 60 Clayey sand, estimated at 20-30% clay and 10-15% c,lt Sind ,s <br /> 2O131135 predominantly fine to medium-grained,very dense, moist to wet,dark <br /> greenish gray, friable,lightly cemented <br /> SC <br /> 13/19/25 Clayey sand, as above,except dense <br /> 65 <br /> TOTAL DEPTH 65' <br /> Page 3 of 3 <br />