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'A • DDJC-Sharpe Groundwater Extraction Well Installation Work Plan <br /> Table 3-1. Estimated Well Specifications° <br /> ell S t Screen <br /> Well Depth Casing Casing Screen Sae Intervals <br /> Well Number ftbs Diameter Material Material inches ft b s <br /> EWC4 140 Schedule 40 <br /> (South Balloon) (C Zone) 6-inch PVC Stainless Steel 0.010 120-130 <br /> EWNC5 140 Schedule 40 <br /> (North Balloon) (C Zone) 6-inch PVC Stainless Steel 0.010 120-130 <br /> EWCB5 95 Schedule 40 65-70 and <br /> (Central Area) (B Zone) 6-inch PVC Stainless Steel 0.010 80-85 <br /> ° Specifications for well depth,screen slot size,and screen length are dependent upon the lithololyoa6untered during <br /> drilling. <br /> ft bgs = feet below ground surface <br /> PVC = polyvinyl chloride 4�� <br /> 67 <br /> GWEWINST.DOC 5 28 January 2000 <br />