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r <br /> Advanced BORING LOG <br /> r <br /> GeoEnvironmental, Inc. BOREHOLE NO B-6 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> Y 209 467-1006 FAX 209 467-1118 TOTAL DEPTH 75' <br /> TDroject Lodi Airport Date(s) Drilled 12 December 2001 <br /> Project No AGE-NC-98-0533 Page 2 of 3 <br /> r <br /> Depth Sample Blows PID Soil USCS Class and <br /> ID (per 6") (ppm) Symbol Soil Description <br /> r <br /> -30 r <br /> 13-6-30' 17125129 75 - - -- -- <br /> = ML Reddish brown,damp silt with clay,low to moderate stiffness, low to moderate <br /> plasticity No HC odor <br /> r <br /> -35- B-6-35' 19/20/27 7$ _ <br /> r ML Same as above — <br /> r <br /> - <br /> 40 B-6-40' 24/25/35 78 - <br /> ML Same as above <br /> r <br /> r - <br /> 45 - <br /> 13-6-45' 20/20/27 80 <br /> CL Reddish brown,damp,very stiff clay, 10-15%sand,with high plasticity No HC <br /> odor <br /> F <br /> r . <br /> r - <br /> 50 B-6-50' 18/19/35 9 2 - _ _ -- <br /> 5P-SM Reddish brown,damp,fine sand with 10%medium sand,20%fines,with <br /> moderate hardness No HC odor <br /> r <br /> r <br /> 55- <br /> B-6-55' ' 22/25/29 78 ML Light reddish brown,damp,silt with sand(200/6), 5%coarse sand No HC odor <br /> I � I <br /> 60- <br /> B-6-60' 14/20/21 131 - W <br /> ML Light olive brown clayey silt with sand(15%),moderate to high stiffness and low <br /> __ plasticity Trace of organic matter noted on honzontal partings No HC odor <br />