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Advanced BORING LOG <br />' GeoEnvironmen#al, Inc. <br /> BOREHOLE NO MW-5 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 200 FEET <br />' Project FERNANDO'S PLACE Date(s) Drilled 28 August 2002 <br /> Project No AGE-NC-00-0769 Page 7 of 9 <br />' De th Sample Blows PID Soil USCS Class and Well Well <br /> p <br /> ID (per 6") (ppm) Symbol Soil Description CompletionDescription <br /> CL LEAN CLAY,medium toughness,medium from 146 to 163 ft <br /> plasticity,some silt,damp,no HC-like odor, 100% <br />' -15 recovery <br /> MW5-150 19/20/25 1 <br /> 1 <br /> CL ML SILTY CLAY,medium toughness,low <br /> plasticity,approximately 5%fine sand,moist,no HC- <br /> like odor, 100%recovery <br />' 15 MW5-155 19/19/24 0 <br /> Bentonite interval <br /> from 145 ft to 163 ft <br /> = ML-CL CLAYEY SILT,low toughness,low plasticity, <br /> micaceous,approximately 10 to 15%fine sand,moist, <br /> no HC-like odor, 1000ND recovery <br /> -16 MW5-160 22/24/28 0 <br /> I <br /> I <br /> -� ML-CL CLAYEY SILT,low toughness,medium <br />' plasticity,olive gray,saturated,no HC-like odor,100% <br /> recovery <br /> -16 MW5-165 21/21/20 0 <br /> #3 sand from 163 to <br />' 170 ft <br /> rScreened interval from <br /> CL.LEAN CLAY,medium toughness,medium 165 to 170 ft <br />' plasticity,olive gray,damp,no HC-like odor,100% <br /> recovery <br /> -1 MW5-170 23/26/25 0 <br /> — — Bentonite interval <br /> CL-ML SILTY CLAY,medium toughness,low from 170 ft to 191 ft <br />