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Advanced BORING LOG
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<br /> GeoEnvironmental, Inc. BOREHOLE NO MW3
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 70 feet
<br /> IProject ARROYO SMOG Date(s) Drilled 21 JULY 2005
<br /> Project No AGE-NC-04-1168 Page 2 of 2
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<br /> Depth
<br /> Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
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<br /> —
<br /> 45 1111111 ML Orange-Brown with white specks,dry,SANDY
<br /> MW3 45 26/30/30 0 SILT,(well-graded, 10-25"/o),slight plasticity,slight
<br /> toughness,low consistency,no HC odor Bentonue seal from 45'to
<br /> 48' bsg
<br /> I —50 ML Olive-Brown with white and gray chips,slightly
<br /> MW3-50 24/26/30 0 damp,CLAYEY SILTY with SAND,well-graded
<br /> slight plasticity,low toughness,slight
<br /> consistency,no HC odor
<br /> s
<br /> —55 ML Olive-Brown with red specks,slightly damp,
<br /> I SANDY SILT with CLAY,well-graded(<101/c,),slight #3/12 sand from 48'to
<br /> MW3-55 24126124 0 plasticity,slight toughness,slight consistency,no HC 70'bsg
<br /> odor
<br />' 0 ML Olive-Brown with gray specks,moist,SANDY
<br /> SILT with CLAY,well-graded(<10%),slight plasticity, Screened interval from
<br /> MW3-60 20/19/24 0 slight toughness,slight consistency,no HC odor 50'to 70'bsg
<br />' —65 ML TOP Blue-gray,very moist,SANDY SILT with
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<br /> MW3-65 26/28/28 D CLAY,well-graded(<10%),slight plasticity,slight toughness,slight consistency,no HC odor
<br /> BOTTOM Blue-gray,saturated,SILTY CLAY,low
<br /> plasticity,low toughness,low consistency,no HC odor
<br />' —70
<br /> CH Blue-gray,saturated,SILTY CLAY,low plasticity, Cap at 70'
<br /> low toughness,low consistency,no HC odor
<br /> MW3-70 26124124 0
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