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Advanced BORING LOG <br /> Geo Environmental, Inc. <br /> � BOREHOLE NO MW-5 <br /> 7�s 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 761 <br /> Project NATIONAL FREIGHT Date(s) Drilled 14 and 15 February 2002 <br /> Project No AGE-NC-980497 Page 2 of 3 <br /> I <br /> Depth Sample Blows PID I Sod USCS Class and Well well <br /> ID (per 6"} (ppm) Symbol Soil Description Completion Description <br /> 1 <br /> ' CL LEAN CLAY,medium plasticity,medium <br /> toughness,moderate yellow brown,damp,hard,70% <br /> recovery <br /> -3 0 MW5-30 14/23/29 0 <br /> 1 <br /> ' CL LEAN CLAY,medium plasticity,medium <br /> toughness moderate vellow brown damp,very stiff to <br /> hard,70%recovery <br /> -35 MW5-35 11/19/33 0 <br /> 1 <br /> ML SILT with SAND,low plasticity,low toughness, <br /> approximately 25%fine sand moderate yellowish <br /> brown,damp,hard,50°1°recovery <br /> -40 MWS-40 12154 0 <br /> 1 <br /> ML CLAYEY SILT,low plasticity,low toughness, <br /> micaceous,moderate yellowish brown,damp,hard, <br /> 100%recovery <br /> -45 MW5-45 22150-6 0 <br /> —_ ML SANDY SILT,approximately 40%tine sand, <br /> micaceous,moderate brown,damp,hard,80% <br /> ' _= recovery <br /> -50 MW5-50 24150-6 0 <br /> CL LEAN CLAY,medium plasticity,medium <br /> Bentonite seal from 49' <br /> toughness,light yellowish brown,damp,hard,60% to 54' bsg <br /> ' recovery <br /> -5 5 MW 5-55 41150-6 0 <br /> CL S1LPY CLAY,medium plasticity,low toughness, <br /> E I fight yellowish brown,moist,hard,70%recovery <br /> MW5-64 13/79/28 0 <br />