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World FM erprises Log of Soil Vapor Well: <br /> Location: Project Number: 17325532 VW-2 <br /> Dates Drilled: 4!7/04 Total Depth: 15 feet bgs Borehole Name: BH-2 <br /> Drilling Contractor. Gregg Drilling Well Construction Date: 4/7/04 Logged By: Jeff Brooks <br /> Borehole Diameter. 8-inch Casing Diameter. 1-inch Casing Type: SCH 40 PVC Checked By: Vern F.larth <br /> Drilling Method: Hollow Stem Auger Screen Interval: 6-15 feet Slot Size. 0.020-inch Sampling Method: CA Modified Split spoon <br /> Comments: South central property boundary. <br /> 8 <br /> ,? 8 E .d <br /> Q'� R [� _^ f.. <br /> LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> 3'locking stove pipe <br /> completion <br /> Well secutd with gas <br /> measurement valve cap. <br /> 1-itch SCH 40 PVC <br /> m6ftbgs <br /> 0 0 <br /> Grass and topsoil <br /> - - Sandy gravel fill. <br /> Sandy Clay with Silt(CL). Very dark Vayish brown,low to <br /> medium plasticity,30%very fine to fine grained sand,10-20% Neat Cement from surface to 4 <br /> silt,very stiff,slightly moist h bgs <br /> Color change to yellowish brown <br /> Bentonite Seal4-5ft <br /> 5 5 <br /> 15 0 StiffXv <br /> Clayey Sand with Silt(SQ. Yellowish brown,fine to medium <br /> grained sand,20%clay.15%sir,dura dense,slightly moist <br /> i <br /> Silty Clay with Sand(CL). Light olive brown,30.4M silt, <br /> 10 0'«fine vanedsand.micaceous,stiff,moderate iron nude 1-inch SCH 40 PVC <br /> 13 0 staining moist 0.020-inch SU Semen 6.15 ft 10 <br /> Pea Gravel 5-15.5 ft <br /> Xx <br /> Sandy Clay with Silt(CL). Brown bow to medium plasticity, <br /> 30%very 8a to fianrained sand,15-2096 silt,granular texture <br /> an S'eslt break,stiff,moist <br /> 13 0 <br /> 15 15 <br /> UM2810 Gem &y O kz Dr..SIC 300 <br /> Sa wwwo.CA 95833 <br /> 916-679-2000 <br />