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Ground Surface <br /> XX <br /> X X <br /> X X <br /> X <br /> X Schedule 80 PVC, <br /> 8-Inch Well Casing <br /> (0-30 feet) <br /> Grout - - <br /> (0-24 feet) <br /> X <br /> X <br /> X X <br /> X X <br /> X X <br /> fBentonite Seal <br /> (24-27 feet) <br /> Sand Bridge <br /> (27-28 feet) <br /> Sand (Filter)Pack <br /> r+_ <br /> (28-50 feet) <br /> Stainless Steel <br /> 8-Inch Screen <br /> (30-40 feet) <br /> Sump <br /> (40-45 feet) <br /> Borehole Total Depth <br /> (50 feet) <br /> Note: Not to Scale <br /> Sharpe112-13-Sharpe-EWCA2-Co trumoo-Sohematc indd-VMG 12/1&13 SAC <br /> Figure4. Preliminary Schematic of Groundwater Extraction Well EWCA2 <br />