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Ah <br /> World ._a.erprises Log of Soil Vapor Well: <br /> Location: Project Number: 17325532 VW-1 <br /> Dates Drilled: 4/7/04 Total Depth: 15 feet bgs Borehole Name: BH-1 <br /> Drilling Contractor. Gregg Drilling Well Construction Date: 4n104 Logged By: Jeff Brooks <br /> ------------ <br /> Borehole Diameter: 8-inch Casing Diameter. 1-inch Casing Type: SCH 40 PVC Checked By: Vern Blarth <br /> Drilling Method: Hollow Stem Auger Screen Interval: 6-15 fat Slot Size: 0.020-inch Sampling Method: CA Modified Split Spoou <br /> Comments: West central property boundary. € <br /> A v « A� A 6 k° <br /> CIO °' F O LTTHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> Y long stove pipe <br /> Completion <br /> Well secured with gas <br /> measurement valve Cap. <br /> Woch SCH 40 PVC <br /> 0 to 6 ft bgs <br /> A b 30 <br /> Grass and topsoil. <br /> Sandy Clay with Silt(CL). Dark gray to very dark grayish <br /> brown,low to medium plasticity clay,40%i very fine to fine <br /> NO" 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 gaud Bentonite seal 4-5 ft <br /> sand,35%clay,very dense,slightly moist <br /> 5 5 <br /> 56 0 <br /> Saud(SP). Roddish brown to light gray,ply Je4 very <br /> fine to sightly medium <br /> tedium gained,trace day and silt,medium der, <br /> is o <br /> st <br /> 13 0 <br /> 1 O Silty Clay with Sand(CL).Dark bray to olive gray,25%silt, 1-inch SCH 40 PVC <br /> 10-15%very fine to fine grained sand,tour casts ot worm 0.020-inch Slot Screen 6-15 ft 10 <br /> barrows present(10%of sample),very stiff,moist Pea Gravel 5-15.5 ft <br /> 32 0 Hard. <br /> i <br /> 28 0 13eoero.3096 noophstic day,25%silt,25%vay fine to fine <br /> grained sand ganulaz Oesune dry to slightly waist, <br /> 27 0 Clayey Sand with Silt(SC).Dark yellowish browm,floe <br /> 15 trained sand,25%day.15%wilx <br /> t.deux,moist <br /> 15 <br /> 2870 Gateway Oaks Dr..Ste 300 <br /> Saaameate,CA 95833 <br /> 91&679.2000 - <br />