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i <br /> Advanced - BORING LOG <br /> tea- ; .� GeoEnvironmental, Inc. BOREHOLE NO.: MW3 <br /> F= ;-7F ' `' 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 10 feet <br /> r , <br /> L+ Project: ARROYO SMOG Date(s) Drilled: 21 JULY 2005 <br /> Project No.: AGE-NC-04-1168 Page 2 of 2 <br /> p <br /> Depth <br /> Sample Blows PID Soil USCS Class and Well Well <br /> r ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> — <br /> 45 ]I I I'll'i <br /> ML:Orange-Brown with white specks,dry,SANDY <br /> MW3 45 26/30/30 0 SILT;(well-graded,10-25%),slight plasticity,slight <br /> toughness,low consistency,no HC odor. <br /> .Bentonite seal from 45'to <br /> 48' bsg: <br /> —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 /> (<100/o),slight plasticity,low toughness,slight <br /> consistency,no HC odor. <br /> Z < <br /> —55 <br /> ML:Olive-Brown with red specks,slightly damp, <br /> SANDY SILT with CLAY;well-graded(<10%),slight #3/12 sand from 48'to <br /> MW3-55 24/26/24 0 plasticity,slight toughness,slight consistency,no HC 70'bsg. <br /> odor. <br /> r0 ML:Olive-Brown with gray specks,moist,SANDY <br /> tw SILT with CLAY;well-graded(<100/o),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 <br /> MW3-65 26/28/28 0 CLAY;well-graded(<10%),slight plasticity,slight <br /> toughness,slight consistency,no HC odor. <br /> BOTTOM:Blue-gray,saturated,SILTY CLAY;low. <br /> plasticity,low toughness,low consistency,no HC odor. <br /> _ <br /> 70 CH:Blue-gray,saturated,SILTY CLAY;low plasticity, Cap at 70'. <br /> low toughness,low consistency,no HC odor. <br /> MW3-70 26/24/24 0 <br /> , <br />