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' Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO B-5 <br /> 7 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH $Q' <br />' Project Lodi Airport Date(s) Drilled 12 December 2001 <br /> Project No AGE-NC-99-0533 Page 2 of 3 <br />' Depth Sample Blows PID Soil USCS Class and <br /> ID (per 6") (ppm) Symbol Sod Description <br /> 3 _ <br /> -30 , 13-5-30' 16/18/27 7 0 =- ML Same as above <br /> { <br /> E <br /> I <br /> -313— 8-5-35' 20/20/25 7 1 -— - - <br />' ML-Same as above Slight HC odor detected <br /> I <br />' <br /> -40 <br /> B-5-40' 24/38/39 73 = ML Same as above No HC odor <br />' 45— <br /> B-5-45' 29/35/37 7 4 - — -- o - ° - <br /> CL Reddish brown,damp,very stiff clay,20/o sand and 20/o silt,with high plasticity <br /> No HC odor <br /> 1 <br />' 50 13-5-50' 34/36/37 11 1 - -- <br /> 1 SP Dark yellowish brown,damp,fine to medium sand <br /> ML Light brown silt with sand(30%),low stiffness and plasticity No HC odor <br /> 4 <br />' -55 B-5-55' 24/37/41 100 ML Light reddish to dark yellowish brown,damp to moist,silt with sand(35%), 10% <br /> coarse sand No HC odor <br /> 01 <br /> I -50 B-5-60' 19/25/27 127 _ _ SM Dark yellowtsh brown to tan,moist,medium to coarse sand with silt(301/6), 10% <br /> clay lumps up to I-in diameter No HC odor <br />