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BORING LOG <br /> Project No. Boring& Casing Diameter Logged By <br /> ILEI-P91-0202 9" 2" V1`.W. <br /> Project Name Unocal Well Cover Elevation Date Drilled <br /> Lodi,Kettleman Lane 12/19/91 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW9 Method Auger West Hazmat <br /> Penetration G. W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> SC Clayey sand as above. <br /> 25/50 =_= Sandy silt,estimated at 35% fine-grained sand and 5 to <br /> 10%clay,micaceous,iron oxide staining common,moist, <br /> __-- hard,light olive brown. <br /> hL =__- <br /> • ____ Clayey silt.estimated at 40%clay,slightly micaceous, <br /> 25/17/18 30 iron oxide staining in fractures common,moist,hard,light <br /> - olive gray. <br /> Sandy silt to silty sand,sand is fine-and coarse-grained, <br /> ML/ - micaceous,moist,hard to dense,pale brown. <br /> SM <br /> :S <br /> 18/19/25 35 <br /> Silt,slightly micaceous,trace iron oxide <br /> 7Z-.7.7Z staining,moist,hard,olive gray and olive brown <br /> _-= mottled. <br /> 22/2225 40 =_- Silt, 15 to 20% clay,heavy iron oxide staining in <br /> _ fissures,moist,hard,light olive gray. <br /> Page 2 of 4 <br />