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File No. NFE-4533-01 <br /> August 1999 <br /> DATE DRILLED: 7/29/99 DRILLER: Exploration Geoservices <br /> ELEVATION: approx. 44 N. DRILLING METHOD: Hollow Stem Auger <br /> BACKFILL METHOD: Neat Cement DIAMETER OF BORING: 6 in. <br /> LOGGED BY: J. Buckthal DEPTH TO GROUNDWATER: NGWE <br /> _ n <br /> i 0 'o <br /> m a s Log of Exploratory Boring No. EB10 <br /> m E n o0 n <br /> o _ — <br /> o <br /> N c7 m escnpbon rn <br /> 0 <br /> 1.5 feet of BASEROCK. <br /> 1 <br /> 2 <br /> 3 <br /> 4 <br /> 5 <br /> 6 NS 12 LEAN CLAY,brown,moist,low plasticity,no hydrocarbon odor. CL <br /> 7 <br /> 8 <br /> 9 <br /> NS 18 LEAN CLAY,brown,moist,low plasticity,no hydrocarbon odor. <br /> 10 <br /> 1 <br /> 12 _ _ _ _ _ _ <br /> 3 <br /> CL <br /> 14 NS 8 SANDY CLAY,brown,wet,none to low plasticity, very fine grained sand,no <br /> h drocarbon odor. <br /> 15 <br /> 16 <br /> Boring terminated at 14.5 feet. <br /> 17 Groundwater not encountered. <br /> 18 <br /> 19 <br /> 20 <br /> 21 <br /> 22 <br /> 23 <br /> 24 <br /> 25 <br /> 10111k Earth Systems Consultants Pomb.cChevron LOG OF EXPLORATORY BORING NO. E610 <br /> Norlhem Caiilomla Tracy.California <br /> Figure A7 <br />