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BORING LOG <br /> Protect No. Bormg Diameter 9" Logged By GEG <br /> KEI-P$9-1104 Casing Diameter N/A WW 166 3 ?j <br /> Protect Name Unocal S/S #5421 Well Cover Elevation Date Drilled <br /> 7303 Pacific Avenue,Stockton 11/9/92 <br /> Boring No Drilling Hollow-stem Drilling Company <br /> EB2 Method Auger Woodward Drilling Co <br /> Penetration G.W. Depth StratE- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> __ Silt,estimated at 5-10% very fine-grained sand, very stiff,moist <br /> $/819 <br /> 25 ML dark grayish brown(2 5Y 4/2), micaceous silt is slightly elastic <br /> 7/9/10 <br /> 15/19/21 30 Sand fine-grained trace silt grading to an estimated 10�lo silt <br /> below 30 5 feet,dense,moist, dark greenish Gray(5GY 4/1) <br /> SP <br /> --- , —� <br /> --- —--———————-------- ---— <br /> e a <br /> 20150-5" 35 ,aa,aa,aa,4a Sandy gravel,estimated at 35% sand, trace silt, gravel is well <br /> GW graded,subrounded,to 1-3/4 inches in diameter,very dense <br /> 4 moist,brown(10YR 5/3),slightly micaceous <br /> '14 41 <br /> 14N- <br /> 12/15/17 40 Silty clay,estimated at 15-20% slightly elastic silt, very stiff to <br /> CL hard, moist,grayish brown (10YR 5/2), trace pores, trace caliche <br /> ILII, ____ Clayey silt,estimated at 35% silt and 5% fine-grained sand hard <br /> moist light yellowish brown (2 5Y 6/3) trace pores trace caliche <br /> Pa-e 2 of 3 <br />