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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.:MW-4 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> �J (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 25 feet <br /> Project: TRINKLE & BOYS Drilling Co.: All Well Abandonment <br /> Site Location: 31244 South Highway 33 Rig/Auger Type: CME 75 <br /> Tracy, California Logged By: REN <br /> Reviewed By: W RL <br /> Project No.: AGE-NC-08-1598 <br /> Date(s) Drilled: 13 May 2009 <br /> Notes: No sample recovery at 25 feet. = Water Level Before Drilling Page 1 of 1 <br /> i Water Level After Drilling <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 ® Well cover cristy box <br /> Cement grout seal <br /> from.5'to 2'bsg. <br /> Bentonite seal from 2' <br /> to 3' bsg. <br /> CH:Yellow-Orange Brown,Dry,CLAY;medium to high plasticity, <br /> high toughness,approximately 2%0.5"gravels,no hydrocarbon(HC) <br /> odor. <br /> —5 MW4-5 3-3-3 0 <br /> CH:Yellow-Orange Brown,Moist to Wet,CLAY;high plasticity, <br /> high toughness,no HC odor. #3 monterey sand <br /> —10 MW4-10 4-5-5 0 from 3'to 25'bsg. <br /> SC:Yellow-Orange Brown,Saturated,CLAYEY SAND;medium <br /> plasticity and toughness,fine poorly graded sand,no HC odor. <br /> —15 MW4-I5 3-5-8 0 Screened interval <br /> from 5'to 25'bsg. <br /> SC:Yelllow-Orange Brown,Saturated,CLAYEY SAND; <br /> approximately 70%fine poorly graded sand and 30%clay,medium <br /> : plasticity and toughness,no HC odor. <br /> —20 MW4-20 3-4-6 0 <br /> —25 MW4-25 5-7-10 Cap at 25'. <br />