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BORING LOG <br /> Project No. Boring&Casing Diameter Logged By .TGG <br /> KEI-P 88-1013 9" 2" W W �C G /G 33 <br /> Project Name Unocal SIS#5098 Well Cover Elevation Date Drilled <br /> 5606 Pacific Avenue,Stockton 4/8/92 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW 13 Method Auger Woodward Drilling Company <br /> Penetration G.W Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> MEL Silt,estimated at 5%fine-grained sand,micaceous,very stiff <br /> 10/12/17 45 moist,light brownish gray <br /> Silty clay,estimated at 20% elastic silt,slightly micaceous, <br /> very stiff,moist,gray,brown,and grayish brown mottled, <br /> caliche common with nodules to 1-3/4 inch in diameter <br /> 6/7/11 50 Clay,estimated at 10-15%elastic silt,very stiff,moist,pate <br /> brown,trace pores with very dark gray staining <br /> CL <br /> 10/13/20 55 Clay,estimated at 10-15% slightly elastic silt,hard,moist, <br /> light brownish gray,caliche common <br /> Silty clay,estimated at 15% silt with trace sand, micaceous, <br /> 10/15/18 60 hard,moist,light olive gray <br /> -- J -------------,.T..._.._...-_._._...-- <br /> n{kryH <br /> h�M1 <br /> nt ~ <br /> SW <br /> 11/14/17 65 °;� Well graded sand,estimated at 5% silt,micaceous,dense, <br /> ,.° saturated,light brownish gray to gray <br /> Page 3 of 4 <br />