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• s <br /> World Werprises Log of Soil Vapor Well: <br /> Location: Project Number: 17325532. VW-3 <br /> Dates Drilled: 4n/04 Total Depth: 15 feet bgs Borehole Name: BH-3 <br /> Drilling Contractor. Gregg Drilling Well Construction Date: 4n104 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 Slot Size: 0.020-inch Sampling.Met iod: CA Modified Split spoon <br /> Comments: East central property boundary. <br /> z <br /> > p <br /> O bD <br /> O Cn x E" 0 LYMOLOGY DESCRIPTION WELL CONSTRUCTION { <br /> 3'locking stove pipe <br /> Completion <br /> wen secured with gas <br /> measurement valve cap. <br /> 1-inch SCH 40 PVC <br /> to6ftbgs <br /> 0-- <br /> 0 <br /> Grass and topsoil <br /> Sandy Clay with Silt(CL). Very dark grayish brown,low to <br /> medium plasticity,25-30%very fine to fine grained sand,10- <br /> 20%silt,very stiff,slightly moist. <br /> Neat Cement from surface to 4 <br /> ft bgs <br /> Bentoniw Sea]4-5 ft <br /> 5 <br /> Si Sand with Clay 5 <br /> Silty y(SIS. Yellowish brown,very Sue to fine <br /> 14 0 grained sand,25%silt,trace clay,medium dense,slightly moist. <br /> Silty Clay with Sand(CL). Light olive brown,trace very fine to <br /> 10 fine bid sand,40%si14 very stiff,iron oxide staining,moist. 1-inch SCH 40 PVC <br /> 22 0 0.020-inch Slot screen 6-15 ft 10 <br /> Pea Gravel 5-15.5 ft <br /> t• <br /> 5 0 <br /> 15Clayey Sand with Silt(SC). Yellowish brown,60%very fine to 15 <br /> fine grained sand,15%silt,25%clay,loose,moist. <br /> 2870 Gateway Oaks Dr.,Ste 300 <br /> Samwvuw,CA 95833 <br /> URS916-679-2000 <br />