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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: MW5 <br /> 837 Shaw Road, Stockton CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 -TOTAL DEPTH: 20 Feet <br /> Project: Enterprise Investments Drilling Co.-: Mitchell Drilling Environmental <br /> Site Location: (Former JB Murphy Trucking) RiglAuger Type: CME 75HT - 8" Hollow Stem Auger <br /> 355 Enterprise Place <br /> � Logged By: Brian W.Millman <br /> Tracy, California <br /> Reviewed By: Calvin Lee <br /> Project No.: AGE-NC-97-0360 <br /> Date(s) Drilled: 31 January 2002 <br /> Notes: = Water level during drilling page 1 of 1 <br /> m Water level in completed well <br /> Sample Blows PID Soil USCS Class and Well Well <br /> Depth <br /> :j ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 Well cover cristy box <br /> Portland Cement from <br /> 1'to 2'bsg. <br /> Bentonite seal from 2' <br /> to 4' bsg. <br /> -5 MW5-5 7/8/9 D <br /> CL:Brown,damp,CLAY;medium plasticity and #3 sand from 4'to 20' <br /> toughness,no hydrocarbon(HC)odor,100%recovery. bag. <br /> 11 � <br /> -10 MW5-10 5/9/12 76 CL:Gray to brown,damp to slightly moist,CLAY; I Screened interval from <br /> medium plasticity and toughness,HC odor,100% 5'to 20'bsg. <br /> {I recovery. <br /> 8"Boring diameter <br /> --- 5Z <br /> 2"Casing diameter <br /> MW5-15 7/8/15 24CL:Gray,moist,CLAY;medium plasticity and <br /> toughness,HC odor,100%recovery. 020 slot size <br /> -20- Cap at 20'. <br /> MW5-20 5/7/10 13 CL:Gray,saturated,CLAY;medium plasticity and <br /> 3 toughness,HC odor,100%recovery. <br /> -25 <br />