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BORING LOG <br /> Project No Boring Diameter 9" Logged B 7-66 <br /> Y <br /> KEI-P$9-1104 Casing Diameter N/A W W C eG /G 3 <br /> Protect Name Unocal SIS #5421 Well Cover Elevation Date Drilled <br /> 7303 Pacific Avenue,Stockton 11/9/92 <br /> Boring No Drilling Hollow-stem Drilling Company <br /> EB3 Method Auger Woodward Drilling Co <br /> Penetration G W Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> Clayey silt,estimated at 15-20% clay and 5% fine-grained sand <br /> 45 hard,moist, light yellowish brown(2 5Y 6/3) trace pores and <br /> _ =7 caliche <br /> ML <br /> 50 =___ Sandy silt estimated at 20-25% fine-grained sand and 5-107c <br /> 7/9/23 clay,micaceous very stiff moist,pale brown (10YR 6/3) <br /> CL Silty clay estimated at 15-20% silt and 57c 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 Iight yellowish brown(2 5Y 6/3) micaceous <br /> 60 TOTAL DEPTH 59 5 <br />• 65 <br /> Pa,,e 3 of 3 <br />