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Advanced BORING LOG <br /> GeoEnvironmental Inc. <br />' . � BOREHOLE NO MW-2 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX (209)467-1118 TOTAL DEPTH 45 FEET <br />' Project Proposed EL DORADO APARTMENTS Drilling Co Mitchell Drilling Environmental <br />' <br /> Site Location 2450 South El Dorado Street Rig/Auger Type CME 75HT <br /> Stockton, California Logged By P Dotson <br /> Reviewed By C Lee <br /> Project No AGE-NC-02-0946 Date(s) Drilled 20 February 2003 <br /> Notes MW-2 completed as 2-inch ground water monitoring well = Water level during drilling11 Page 1 of 2 <br /> = Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sail Description Completion Description <br /> a <br /> MUCL CLAYEY SILT moderate yellowish brown, <br /> medium toughness low plasticity,micaceous trace fine <br /> -5 - -- - sand,dry,no petroleum hydrocarbon(HC)odor 90% <br /> MW2-5 9/19/21 0 �\recovery <br /> ML SILT,moderate yellowish brown,low toughness, <br /> low plasticity,micaceous,trace fine sand,damp,no HC <br /> -10 odor, 100%recovery <br /> MW2-]0 8114/20 0 Cement grout seal from <br /> 5'to 21'bsg <br /> i <br /> � l <br /> ML/CL CLAYEY SILT,moderate yellowish brown <br /> medium toughness low plasticity,damp,no HC odor <br /> -15— <br /> 1 5 - _- - 100%recovery <br /> MW2-i5 6/9/I2 0 <br /> CL/ML SILTY CLAY,moderate yellowish brown, <br /> medium toughness medium plasticity,micaceous,dry, <br /> -- - no HC odor, 100%recovery <br /> -20 <br /> MW2-20 7/14/18 0 <br /> Bentonite seal from 2I' <br /> to 23' bsg <br /> CL/ML SILT,low toughness,low plasticity <br /> approximately 10%fine sand,no HC odor <br /> -25 MW2-25 16/20/24 0 SM Shoe contained SILTY SANT,fine sand <br /> CL LEAN CLAY,grayish brown,medium toughness, 43112 sand from 23'to <br /> medium plasticity some silt,damp,no HC odor, 100% 45'bsg <br /> —30 recovery <br />