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File No. NFE-4533-01 <br /> August 1999 <br /> DATE DRILLED: 7/29/99 DRILLER: Exploration Geoservices <br /> ELEVATION: 47 ft. DRILLING METHOD: Hollow Stem Auger <br /> BACKFILL METHOD: Neat Cement DIAMETER OF BORING: 6 in. <br /> LOGGED BY: J. Buckthal DEPTH TO GROUNDWATER: 12 ft. <br /> _ n <br /> Z a us O <br /> s m o -6 Log of Exploratory Boring No. E97 <br /> o E n 3oLL y _ <br /> m j EI S <br /> 0 scnpdan m <br /> 0-3.5 feet Topsoil/Fill <br /> 2 <br /> 3 <br /> 3.5-4.5 feet BASEROCK from old road. <br /> 4 <br /> 5 <br /> 6 NS 9 CLAYEY SILT,dark gray,moist,slight hydrocarbon odor. ML <br /> 7 <br /> B <br /> EB7 <br /> 9 9-9.5' <br /> 14 CLAYEY SILT,changing to moderate hydrocarbon odor. <br /> 1 ",-loft.sample to Geomatnx) <br /> 11 — — — <br /> 12 CL <br /> 1 <br /> LEAN CLAY.dark gray,moist to wet,low plasticity,moderate hydrocarbon odor. <br /> 14 <br /> NS 7 LEAN CLAY.Vo.n,moi5t to wet IQw olast,cil, no Wdrocartbon odor. CL <br /> 15 <br /> 16 <br /> 17 Bonng terminated at 14.5 feel. <br /> Groundwater encountered at 12 feet. <br /> 18 <br /> 19 <br /> 20 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> 25 <br /> Y Earth Systems Consultants Pombo/Chevron LOG OF EXPLORATORY BORING NO. E87 <br /> �; Northam Calilomia Tracy,Cardomia Figure A4 <br />