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1 � <br /> Advanced BORING LOG <br /> 1 GeoEnvironmental, Inc. BOREHOLE NO MW-4 <br /> ( � 7 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 78' <br />' Project NATIONAL FREIGHT Date(s) Drilled 14 February 2002 <br /> 1 Project No AGE-NC-98-0497 Page 3 of 3 <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Descnption <br /> Q <br /> CL SILTY CLAY,medium plasticity,low toughness, #3 sand from 56'to 78' <br /> approximately 30%organic matter,moderate olive bsg <br /> 1 M///z brown,saturated,hard, 100%recovery <br /> -65 MW4-65 15/19/29 0 <br /> CL LEAN CLAY,medium plastic ty,medium Screened interval from <br /> ' toughness,olive gray,saturated,bard, 100%recovery 58'to 78'bsg <br /> -70 MW4-70 18/20/20 0 <br /> 1 CL LEAN CLAY,medium plasticity,medium <br /> toughness,trace of micas,dark greenish grey,saturated, <br /> hard, 100%recovery <br /> -75 MW4-75 17/50-6 0 <br /> 1 CH FAT CLAY,high plasticity,high toughness,dark <br /> greenish gray,saturated,hard,70%recovery <br /> Cap at 78' <br /> MW4-78 17/50-6 0 <br /> -80 <br /> 1 <br /> 1 <br /> 1 <br /> I <br />