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Ground Surface <br /> F 11 Locking Cap <br /> Well Box <br /> Ground Water Leve - <br /> Cement Grout <br /> ` from bentonite seal to surface) <br /> Vadose Zone Well Casing <br />' (2" Sch 40 PVC) <br /> r <br /> _- Bentonite Annular Seal <br /> (2' high) <br /> J+ YY: <br /> ' <br /> Q <br /> 1 x^_- <br />' u #3 Sand Filter Pack <br /> - t (extends 2' over screen) <br /> Slotted Casing, 50' to 20' bgs <br /> Aquifer } � - <br /> - R-1 <br /> Borehole, 8" <br /> -I-- <br />' _fL — J, End Cap @ 50' bgs <br /> Figure 5 <br />' Schematic of Groundwater Monitor Well <br />