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World Mrprises Log of Soil Vapor Well: <br /> Location: Project Number: 17325532 VW-1 <br /> Dates Drilled: 4n/04 Total Depth: 15 feet bgs Borehole Name: BH-1 <br /> Drilling Contractor. Gregg Drilling Well Construction Date: 4/7/04 Logged By: Jeff Brooks <br /> Borehole Diameter: 8-inch Casing Diameter. 1-inchCasing Type: SCH 40 PVC Checked By- Vern Elarth <br /> Drilling Method: Hollow Siem Auger Screen Interval: 6-15 feet Slot Size: 0.020-inch Sampling.Method: CA Mollified Split spoon <br /> Comments: West central property boundary. <br /> t8 <br /> € <br /> a � S <br /> r' a v <br /> rn x a. E LITHOLWY DESCRIPTION WELL CONSTRUCTION <br /> 3'locking stove pipe <br /> completion <br /> wen secured with gas <br /> measurement valve cap. <br /> Mach SCH 40 PVC <br /> to 6 ft bgs <br /> 0 <br /> 4 Grass and topsoil 0 <br /> Sandy Clay with Silt(CL). Dark gray to very dark grayish <br /> U--low to medium plasticity clay,40%very fine to fine <br /> gained sand,trace silt,very stiff,slightly moist. <br /> 0 Neat Cement from surface to 4 <br /> ft bgs <br /> Clayey Sand(SC). Reddish brown,fine to medium grained Bentonite Seal 4-5 ft <br /> sand,35%clay,very dense,slightly moist. A <br /> 5 <br /> 5 <br /> 56 U <br /> Sand(SP). Reddish brown to light gay.1? Y galled.very <br /> fine to medium grained,tray clay and silt medium dense, <br /> 15 0 slightly mast, <br /> 13 0 <br /> 10 Silty Clay with Sand(CL).Dark gray to olive gray,25%silt, 1-iwb SCH 40 PVC <br /> 10-15%very fine to fine grained sand,row casts or worm 0.020-inch SIot Screen 6.15 ft 10 <br /> butrows present(10%of sample),very stiff,moist. Pea Gravel 5-15.5 ft <br /> 32 0 Hard <br /> 28 0 Brown,50%nonplastic clay,25%silt,25%very fine to fine <br /> grained sand,granular texture,dry to slightly moist, <br /> 4 j70 Clayey Sand with Silt(SC). Dark yellowish brown,fine <br /> grained sand,25%clay,15%silt,dense,mast <br /> 15 15 <br /> 2870 Gateway Oaks Dr.,Ste 300 <br /> Sacramento,CA 95833 <br /> 916-679-2000 <br />