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BORING LOG <br /> Protect No Boring Diameter 9" Logged By �G G <br /> KEI-P89-1104 Casing Diameter NIA WW [�G /G 33 <br /> " 1 Protect Name Unocal S/S#5421 Well Cover Elevation Date Drilled <br /> 7303 Pacific Avenue,Stockton 11/9/92 <br /> Boring No Drilling Hollow-stern Drilling Company <br /> EB3 Method Auger Woodward DnIhng Co <br /> Penetration G.W Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> 8/14/2545 Clayey silt,estimated at 15-20%clay and 5% fine-grained sand <br /> ———_— hard,moist,light yellowish brown(2 5Y 6/3),trace pores and <br /> _ <br /> z=z,.r. caliche <br /> ML <br /> —_" Sandy silt,estimated at 20-25% fine-grained sand and 5-10%0 <br /> 7/9/23 50 clay,micaceous,very stiff,moist,pale brown (10YR 6/3) <br /> ---------------------- <br /> CL Silty clay,estimated at 15-20% silt and 5% sand,hard,moist, <br /> 17/50 55 very pale brown(10YR 7/3),slightly micaceous <br /> Silt,estimated at 5-10%clay and 5%sand,hard very moist to <br /> 7/14/45 Z ML ——_ saturated light yellowish brown (2 5Y 6/3),micaceous <br /> 60 TOTAL DEPTH 59 5' <br /> 65 <br /> Page 3 of 3 <br />