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Advanced B(AING LOG <br /> GeoEnvironmental, Inc. <br /> 837 Shaw Road, Stockton, CA 95215 <br /> BOREHOLE NO.: MW-11 <br /> (209) 467-1006 FAX: (209)467-1118 TOTAL DEPTH: 110.50 feet <br /> Project: RALPH SQUARE-BUI Date(s) Drilled: 21 March 2008 <br /> Project No.: AGE-NC-07-1537 Page 3 of 6 <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> CL:Dark Brown to Tan Brown,Wet,SANDY CLAY; <br /> fine poorly graded sand,medium to high plasticity and <br /> toughness,no HC odor. <br /> —40 MW 11-40 12-25-40 2,458 P <br /> CL:Dark Brown,Wet,SANDY CLAY;fine poorly <br /> graded sand,high plasticity and toughness,no HC odor. <br /> CH:Dark Yellow-Brown,Saturated to Wet,CLAY; <br /> / <br /> —45 MW 11-45 18-2-50 703 high plasticity and toughness,very hard consistency,HC <br /> odor. <br /> iG <br /> 0 <br /> i <br /> SM:Dark Yellow-Brown,Wet,SILTY SAND;fine <br /> ii <br /> —50 MWI1-50 10-17-27 151 poorly graded,HC odor. <br /> 1 <br /> e � <br /> CL:Dark Yellow-Brown,Wet to Moist,CLAY with <br /> SILT;high plasticity and toughness,stiff to hard / <br /> consistency,HC odor. � ,� <br /> —55 MW 11-55 10-16-25 53.6 ML:Dark Yellow-Brown,Moist,SANDY SILT;fine <br /> poorly graded sand,HC odor. <br />