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Ah <br /> World EWFerprises Log of Soil Vapor Well: <br /> Location: Project Number: 17325532 VW-2 <br /> Dates Drilled: 4n104 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 Elarth <br /> Drilling Method: Hollow Stem Auger Screen Interval: 6-15 feet Sbt Size: 0.020 inch Sampling Method: CA Modified Split spoon <br /> Comments: South mitral property boundary. <br /> Y <br /> �icam. 3 <br /> G• "' x °" P LITHOLOGY DESCREMON WELL CONSTRUCTION s <br /> 3'locking stove pipe <br /> completion <br /> Well secured with gas <br /> measurement valve cap. <br /> 1-inch SCH 40 PVC <br /> to 6 ft bgs <br /> 0-- <br /> 0 <br /> 4 Grass ad kgnoiL <br /> Sandy gravel fill. <br /> Sandy Clay with Silt(CL). Very dark grayish 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 <br /> ft bgs <br /> Color change to yellowish brown <br /> Bentonite Sea]4-5 ft <br /> 5 <br /> 5 <br /> 15 0 Stiff <br /> Clayey Sand with Silt(SC). Yellowish brown,fine to MAUM <br /> grained sand,20%clay,15%silt,medium dense,slightly moist <br /> Silty Clay with Sand(CL).Light olive brown,30-40%silt, <br /> 10 trace fine grained sand,micaceous,stiff,moderate iron oxide 1-inch SCH 40 PVC <br /> staining,asst 0.020-inch Slot Screen 6-15 ft 10 <br /> 13 0 Pea Gravels-15.5 ft <br /> Sandy pay with Silt(CL). Brown,low to medium plasticity, <br /> 30%very fine to fine-grained sand,15-20%silt,granular texture <br /> on fresh break,stiff,moist <br /> 13 0 <br /> 15 15 <br /> UM2870 Gateway Oaks Dr.,Ste 300 <br /> . Same o,CA 95833 <br /> 916479-2000 <br />