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' Advanced <br /> BORING LOG <br /> '- GeoEnvironmental, Inc. BOREHOLE NO MW-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 2 of 9 <br />' Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sod Descnption Completion Description <br /> 1 <br /> No recovery 20 to 22 feet bsg <br />' CL SILTY CLAY,medium toughness,medium <br /> plasticty,trace micas,moderate yellowish browns, <br /> moist,no HC odor <br /> CL Color change to gray at 23 feet bsg,HC odor noted <br />' <br /> -25 MW4-24 5 OVER at 23 5 feet bsg <br /> RANGE <br /> No recovery 25 to 28 5 feet bsg <br /> #3 sand from 18 to 40 <br /> 1ft <br /> CL LEAN CLAY,medium toughness,low plasticity, <br /> moist,FIC odor <br /> 30 <br /> No recovery 10 to 12 5 feet bsg <br /> Screened interval from <br /> > 20 to 40 ft <br />' SP CLAYEY SAND,fine sand,approximately 25% zzi <br /> fines,saturated,HC odor <br /> MW4-34 OVER <br /> RANG CL LEAN CLAY,medium toughness,medium <br />' -3 5 plasticity,most,HC odor <br /> ML CLAYEY SILT,low toughness,medium <br /> plasticity,micaceous,saturated,strong HC odor <br />' MW4-39 OVER <br /> -4p RANGE <br /> i <br /> 1 <br /> MW4-44 OVER <br /> RANGE <br /> -45 <br /> No recovery 45 to 46 feet bsg Bentonite sea]from 40 <br /> to113ft <br /> I ML CLAYEY SILT,low toughness,medium <br /> plasticity,micaceous,saturated,strong FIC odor <br />