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Advanced BORING LOG ` <br /> GeoEnvironmental Inc. <br /> � BOREHOLE NO MW-5( <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 30' <br /> IProject Bogettl Orchard Service Station Drilling Co West Haz Mat Drilling <br /> Site Location 2393 East Highway 132 Rig/Auger Type CME 55 HT/ 8" hollow stern <br /> IVernalls Logged By W Little <br /> California Reviewed By N Henderson <br /> I Project No AGE-NC-99-0520 <br /> Date(s) Drilled 02/08/2000 <br /> Notes s Water level during drilling' Page 1 of 1 <br /> IWater level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID /ft (ppm) Symbol Soil Description Completion Description <br /> 0 Well cover crrstybox <br /> Cement grout sea]trom <br /> 5'to fi'bsg <br /> -5 MW5 5 616/4 0 <br /> CL SILTY CLAY,gray moist,stiff,hydrocarbon(HC) <br /> odor motor oil-like odor <br /> 13entonite seal from 6' <br /> to 8' bsg <br /> _10— MW5-10 4/4/6 7 9 #2/12 sand Imm 8 to <br /> - SP POORLY GRADED SAND,fine sand,tan,dry <br /> medium dense,no HC odor 30'bsg <br /> - MW5 15 16/14/20 80 <br /> SM SILTY SAND,with clay,tan-brown,moist,dense, <br /> fine and medium sand,no HC odor <br /> CL SILTY CLAY,brown,moist,hard,no HC odor <br /> -20 <br /> MW5-20 14/20/40 7 5Screened interval front <br /> SM SILTY SAND,with clay,tan-brown,saturated, <br /> dense,fine sand,no HC odor 10'to 30'bsg <br /> CL SILTY CLAY brown,saturated,hard,no HC odor <br /> -25 MW5 25 16/40/40 82 <br /> 5P POORLY GRADED SAND,tine and medium sand, <br /> tan,saturated,very dense,no HC odor <br /> CL SILTY CLAY,some sand,brown,saturated,hard, Cap at 30' <br /> -30— MW5 30 14160 0 no HC odor <br /> I <br />