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' Advanced <br /> BORING LOG <br />' GeoEnvironmental, Inc. BOREHOLE NO MSV-4 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 200 FEET <br />' Protect FERNANDO'S PLACE Date(s) Drilled 26 August 2002 <br /> Protect No AGE-NC-00-0769 Page 3 of 9 <br />' Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 1 <br />' -50 — — <br /> MW4-50 OVER SM SILTY SAND,fine sand,approximately 25% <br /> RANGE — — — fines,saturated,strong HC odor <br />' CL SILTY LEAN CLAY,low toughness,medium <br /> plasticity,moist to saturated,strong HC odor <br /> I <br /> -55 i <br /> No recovery 55 to 57 feet bsg <br /> i <br /> SM SILTY SAND,fine sand,approximateiy 20% <br /> _ _ _ fines,saturated,HC odor <br /> MW4-58 OVER <br /> RANGEMUSM SANDY SILT,approximately 40%fine sand, <br /> _ <br /> saturated,HC odor <br /> SM SILTY SAND,fine sand,approximately 20% <br /> -60— fines,saturated,HC odor Bentonite seal from 40 <br />' CL SILTY CLAY,low toughness,medium plasticity, to 113 ft <br /> moist,HC odor <br /> No recovery 60 to 62 5 feet bsg <br />' ML CLAYEY SILT,low toughness,low plasticity, <br /> micaceous,trace fine sand,moist,HC odor <br />' -65 MW4-65 OVER <br /> Na recovery 65 to 67 5 feet bsg <br /> RANGE <br />' _ = SM SILTY SAND,fine sand,approximately 15%fine <br /> MW4-68 165 sand,saturated,HC odor <br /> — —I <br />