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File No. NFE-4463-04 <br /> August 1999 <br /> DATE DRILLED: 7/29/99 DRILLER: Exploration Geoservices <br /> ELEVATION: 43 ft. DRILLING METHOD: Hollow Stem Auger <br /> BACKFILL METHOD: Bentonite & Neat Cement DIAMETER OF BORING: 6 in. <br /> LOGGED BY: J. Buckthal DEPTH TO GROUNDWATER: 11.8 ft. <br /> 6o a <br /> z <br /> E a 3 g Log of Exploratory Boring No. EB2LL <br /> c� <br /> m <br /> 0 Description <br /> 4 inches of ASPHALT over 18 inches of BASEROCK. <br /> w 1 <br /> 2- <br /> 3. <br /> 4 <br /> 5 <br /> 6 NS 7 LEAN CLAY, gray brown with rust mottling, moist, low plasticity, no hydrocarbon CL <br /> odor <br /> 1.r <br /> 7- <br /> 8- <br /> 9- <br /> 10- <br /> 11. <br /> 8n1011 EB2 8 LEAN CLAY, dark gray,moist, low plasticity, moderate hydrocarbon odor. <br /> 11-11.5 (10.5-11 foot sample to Geomatrix) - <br /> 12 _ <br /> 13 <br /> 14 — — — — <br /> 15 Q <br /> CLAYEY SAND, brown, wet,very fine grained,poorly graded sand, no hydrocarbon — SC <br /> 16 5 odor. <br /> ti.. <br /> NS <br /> 17- <br /> 18 <br /> Boring terminated at 16.5 feet, <br /> 19 Groundwater encountered at 11.8 feet. <br /> r 20 <br /> 21 <br /> 22 <br /> 23 <br /> r.. 24 <br /> 25 <br /> Earth Systems Consultants Corral Hollow LOG OF EXPLORATORY BORING NO. EB2 <br /> [000 Northem California Tracy,California <br /> Figure A5 <br />