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1 <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW-4 <br /> - -�F 4005 North Wilson Way, Stockton, CA 95205 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 25 feet <br /> Project MBP - MOSSDALE Drilling Co West Haz Mat Drilling <br /> Site Location 444 MOSSDALE ROAD Rlg/Auger Type CME 55 HT/ 8" hollow stern <br />' Lathrop, California Logged By W Little <br /> Reviewed By N Henderson <br />' Protect No AGE-NC-99-0570 Date(s) Drilled 09/28/00 <br /> Notes - = Water level during drilling Page 1 of 1 <br />' - -!r Water level in completed well <br /> Depth Sample I Blows AID Sod I USCS Class and Well Well <br /> ID /ft (ppm) Symbol Sorl Description Completron Description <br /> I <br /> I Or7f <br /> L <br /> �t <br />' Cement grout seal from <br /> 5'to 6'bsg <br /> MW4-5 4/6/7 0 CL CLAY,brown,moist,stiff,low <br /> _ plastaciry/toughness no hydrocarbon(HC)odor <br /> Bentonite seal from 6' <br /> I <br /> to 8' bsg <br />' –10 MW4-10 7/7/4 0 <br /> SP POORLY GRADED SAND,tan-brown,moist, i i'f 3 sand from 8'to 25' <br /> medium dense clean 25%very fine 75%fine and 25 I bsg <br /> medium sand no HC odor I f <br /> I ! <br /> 1 <br /> 3 <br /> MW4-15 617/8 0 == <br /> ML SILT, 15%very fine sand,tan,wet,stiff,no HC <br /> todor I <br /> r <br /> SP POORLY GRADED SAND,tan-brown moist, i <br />' I medium dense,clean 25%very fine 75%fine and 25 j <br /> medium sand,no HC odor !j <br /> { <br /> i <br /> –20 MW4-20 7/4/7 0SP POORLY GRADED SAND tan-brown moist Screened interval from <br />' I medium dense clean 25%very fine 75%fine and 25 10'to 25'bsg <br /> 1 medium sand,no HC odor <br /> _ E <br /> I j SP POORLY GRADED SAND,tan-brown,moist, <br /> –25— medium dense,clean 25%very fine 75%fine and 25 Cap at 25' <br /> MW4-25 6/6/7 0 1 medium sand,no HC odor I <br /> • i <br />' -30 <br /> I <br />