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<br /> Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO MW-2
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209) 467-9118 TOTAL DEPTH 45 FEES'
<br /> Project Proposed ELDORADO APARTMENTS DMlling Co Mitchell Dnllmg Environmental
<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
<br /> Date(s) Drilled 20 February 2003
<br /> Notes MW-2 completed as 2-inch groundwater momtonng well a Water level during drilling Page 1 of 1
<br /> ne Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Sod Description Completion Description
<br /> 0
<br /> 1 `
<br /> MUCL CLAYEY SILT,moderate yellowish brown,
<br /> -5 medium toughness,low piasticity,micaceous,trace
<br /> MW2-5 9/19/21 0 fine sand dry,no petroleum hydrocarbon(HC)odor,
<br /> 90%recovery
<br /> ML SILT,moderate yellowish brown,low toughness,
<br /> low plasticity,micaceous,trace fine sand,damp,no
<br /> -10 MW2-10 8/14/20 0 HC odor,100% recovery Cement grout seal from
<br /> 5'to 2l'bsg
<br />' MUCL CLAYEY SILT,moderate yellowish brown,
<br /> medium 00%re toveess,low plasticity,damp,no HC odor,
<br /> MW2-15 6/9/12 0
<br />' CUML SILTY CLAY,moderate yellowish brown,
<br /> medium toughness,medium plasticity,micaceous,
<br /> -20— MW2-20 7/14/19 0 dry,no HC odor,100%recovery
<br />' Bentonite seal from 21'
<br /> to 23' bsg
<br /> CUML SILT,low toughness,low plasticity,
<br />' -
<br /> 25— approximately 10%fine sand,no HC odor
<br /> MW2-25 16/20/24 0 SM Shoe contained SILTY SAND,fine sand
<br />' CL LEAN CLAY,grayish brown,medium #3/12 sand from 23'to
<br /> toughness,medium plasticity,some silt,damp,no HC 45'bsg
<br /> -30— MW2-30 6/10116 0 odor,100%recovery
<br />' CUML SILTY CLAY,olive gray,medium
<br /> -35— HC
<br /> toughness,
<br /> ne s, °dire opleasticity,trace micas,moist,no
<br /> MW2-35 7/14/19 0 'T
<br />' Screened interval from
<br /> SM CLAYEY SILTY SAND,dark olive gray, 25'to 45'bsg
<br /> approximately 40%fines,fine sand,saturated,no HC
<br /> -40— MW2 40 7/14/17 0 odor,100%recovery
<br /> I
<br /> CUML SILTY CLAY,olive gray,medium
<br /> toughness,low plasticity,trace fine sand,saturated,
<br /> -
<br /> 45-1 M W2-45 10/14/20 0 no HC odor,50%recovery Cap at 45'
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