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Water-Seal Gasket Screw-Tight Lid Ground Surface <br /> PVC Slip Caps <br /> Christie Box <br /> 1.25-Inch Diameter, <br /> Schedule 80 <br /> PVC Casing Grout Seal, <br /> Neat Cement - <br /> With Bentonite <br /> Bentonite Seal <br /> Coarse Sand <br /> 2-Feet <br /> •�. �` PVC Well Screen <br /> Sand Pack (Lonestar 2/12) i-Foot, 0.05-Inch Slot Size <br /> PVC End Cap <br /> Bentonite and •� <br /> Grout Seal •` • <br /> Water Table <br /> v <br /> Sand Pack (Lonestar 2/12) <br /> 2-Feet <br /> 1 <br /> PVC Well Screen <br /> Bentonite and 1-Foot, 0.02-Inch Slot Size <br /> Grout Seal PVC End Cap <br /> 'r <br /> 8-Inch Diameter Borehole � •�` , ,� Sand Pack (Lonestar 2/12) <br /> � . � , <br /> Not To Scale <br /> F� <br /> Figure 2 <br /> SCHEMATIC DIAGRAM OF <br /> NESTED PIEZOMETERS <br /> Ca MHlll <br /> BAE31604.AS.T1 <br />