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World prises 99of Vapor Extraction Well: <br /> Location: Turnpike Rd.Stockton,CA Project Number: 17325532 EW-2 <br /> Dates Drilled: 6/1/05 Total Depth: 21 feet bgs Borehole Name: EW-2 <br /> Drilling Contractor: Gregg Drilling Well Construction Date: 6/1/05 Logged By: Jeff Brooks,PG <br /> Borehole Diameter: 8-inch Casing Diameter: 2-inch Casing Type: SCH 40 PVC Checked By: Vern Elarth,PG <br /> Drilling Method: Hollow Stem Auger Screen Interval: 6-16 ft Slot Size: 0.020-inch Sampling Method: CA Modified split spoon <br /> Comments: 148 feet southeast of VW-4, 102'norhteast of EW-1. <br /> O °q <br /> w _q U <br /> A u <br /> o a. <br /> h x a F C7 <br /> LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> Y locking stove pipe <br /> completion <br /> Well secured with slip cap <br /> until it can be plumbed to <br /> extraction system. <br /> 2-inch SCH 40 PVC to 6 ft <br /> 0 bgs <br /> Grass and topsoil. Neat cement from surface to 4 0 <br /> ft bgs <br /> Fill Sand Fill Darkgrayishbrown,moist,medium <br /> �QOp Y (Fill). <br /> dense. <br /> • Bentonite seal 4-5 ft <br /> 5 �" Fill. Grayish brown,60%wood debris,40%fine to medium 5 <br /> * 0 1220 SCS gained sand,moist,medium dense. <br /> � , ' <br /> *no blow counts-pneumatic sample hammer. <br /> 10 2-inch SCH 40 PVC <br /> 0 12250.020 Q r as above,dark grayish brown,20%clayey sand,80%wood -inch slot screen 616 ft 10 <br /> debris. Pea gravel 5-17 ft <br /> Q <br /> P,: <br /> s` <br /> 4 " <br /> 15 0 1230 � �• as above. 15 <br /> UM2870 Gateway Oaks Dr.,Ste 300 <br /> Sacramento,CA 95833 <br /> 916-679-2000 <br />