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Advanced BORING LOG <br /> GeoEnvironmental, Inc. <br /> BOREHOLE NO OZ <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> 209 467-1006 FAX 209 467-111 <br /> ( } ( ) $ TO ALDEPTH 65 Feet <br /> Project Former STEFANOS GAS STATION Date(s) Drd d 12-16-04 <br /> Project No AGE-NC-03-1100 Page 2 of 2 <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> ID 1 ft (ppm) Symbol Soil Description Completion Description <br /> -35— 1HSM Grey Brown,SILTY SAND,grades to fine sand, <br /> OZI-35 8/10/10 0 moist,no HC odor <br /> ML Orange Brown,CLAYEY SILT,low plasticity, <br /> low toughness,moderate consistency,dry to moist, <br /> no HC odor <br /> Orange <br /> Bl %sand,10%clay, <br /> -40 OZ1-40 11/11/11 0 moderate plasticity,law toughness, gh <br /> consistency, <br /> dry,no HC odor <br /> Cement grout seal from <br /> 05 to55'bsg <br /> SM-45— graded,damp no,SILTY HC odor AND,fine-grained poorly <br /> OZ1-45 9/10/11 0 <br /> Cl. Grey Brown,SILTY CLAY,moderate plasticity, <br /> -so— OZ1-50 8/819 p low toughness,moderate consistency,damp,no HC <br /> odor <br /> t f CL Grey,SILTY CLAY moderate plasticity,low <br /> 5' OZ1-55 10/10/12 2 toughness,moderate consistency,damp,HC odor <br /> Bentonite seal from 55' <br /> to 58' bsg <br /> SM Grey,SILTY SAND coarse-to medium-grained, #3 sand from 58 to 65' <br /> -60— OZl-60 -- 0 trace gravel saturated,I IC odor bsg _ <br /> Screen interval from <br /> 60Tto625'bsg <br /> ML Grey Brown,SANDY SILT,moderate plasticity, <br /> -65 OZI-65 --- 0 low toughness,moderate consistency,damp,no HC <br /> Odor <br />