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1 Advanced <br /> G BORING LOG <br /> eoEnvironmental, Inc. <br /> BOREHOLE NO. <br /> :MW-5 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX: (209) 467-1118 TOTAL DEPTH: 50 feet <br /> ' Project: RALPH SQUARE-BUI Drilling Co.: All Well Abandonment <br /> Site Location: 2122 South Airport Way Rig/Auger Type: CME75 <br /> ' Stockton, California Logged By: REN <br /> Project No.: AGE-NC-07-1537 Reviewed By: WRL <br /> Date(s) Drilled: 14 June 2007 <br /> Notes: PID Inoperable Water Level Before Drilling Page 1 of 1 <br /> = Water Level After Drilling <br /> De th Sample Blows PID Soil USCS Class and Well Well <br /> p ID (per 6" <br /> (ppm) Symbol Soil Description Completion Description <br /> 0 Well cover cristy box <br /> Cement grout seal from <br /> —5 MW5-5 6-7-9 CL:Dark Yellow-Brown to Dark Yellow-Orange .5'to 26'bsg. <br /> Brown,Slightly Moist,SILTY CLAY;medium <br /> plasticity and toughness,hard consistency,no <br /> ' hydrocarbon(HC)odor. <br /> —10 MW5-10 10-12-17 CL:Dark Yellow-Orange Brown to Dark Yellow- <br /> Brown,Slightly Moist,CLAYEY SILT;high to medium <br /> ' plasticity,low toughness,no HC odor. <br /> —15 MW5-15 11-14-17 ML:Dark Yellow-Orange Brown;Dry to Slightly <br /> Moist,SILT;very low plasticity,low to medium <br /> ' toughness,no HC odor. <br /> —20 MW5-20 12-14-19 ML:Dark Yellow-Orange Brown;Dry,SANDY SILT; <br /> very low plasticity,low toughness,10%fine sand,hard <br /> ' consistency,no HC odor. <br /> —25 MW5-25 14-19-21 ML:Dark Yellow-Brown,Dry,SANDY SILT;low <br /> ' plasticity and toughness, 10%fine sand,no HC odor. Bentonite seal from 26'to <br /> 28' bsg. <br /> ' —30 MW5-30 14-17-20 ML:Dark Yellow-Orange Brown,Moist,CLAYEY <br /> SILT;medium plasticity,low toughness,no HC odor. <br /> ' - <br /> 35 MW5-35 14-19-25 CL:Moderate Red,Dry,SILTY CLAY;medium #3 sand from 28'to 50' <br /> plasticity,low toughness,no HC odor. <br /> bsg. <br /> — <br /> 40 MW5-40 17-22-29 CL:Dark Yellow-Brown to Grey,Slightly Moist, <br /> SILTY CLAY;High plasticity,medium to high Screened interval from <br /> toughness,no HC odor. 30'to 50'bsg. <br /> ' — <br /> 45 MW5-45 19-24-31 CL:Dark Yellow-Brown,Slightly Moist,SILTY <br /> CLAY;High plasticity,medium to high toughness,no <br /> HC odor. <br /> —50 MW5-50 21-29-25 CL:Dark Yellow-Brown,Slightly Moist,SILTY <br /> CLAY;High plasticity,medium to high toughness,no Cap at 50'. <br /> HC odor. <br /> i <br />