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TABLE 2A-1 <br /> Estimated Quantities <br /> Field Work Quantity <br /> Dual-Wall Reverse Circulation Borings 3 (min) <br /> Hollow-Stem Auger Borings 12 (max) <br /> Injection Wells 3 <br /> Extraction Wells (w/pumps & piping) 2 <br /> Extraction Wells (w/o pumps & piping) 2 <br /> Monitoring Tubes 3 <br /> Lysimeter Clusters 5 <br /> 12 inch Dual-Wall Reverse Circulation or Hollow-Stem Auger Boring, <br /> Feet 300 <br /> 9 inch Dual-Wall Reverse Circulation or 9-5/8 inch (O.D. ) Hollow- <br /> Stem Auger Boring, Feet 610 <br /> 5-1/2 inch Dual-Wall Reverse Circulation Boring, Feet 285 <br /> 6-5/8 inch Dual-Wall Reverse Circulation Boring <br /> or Hollow-Stem Auger Boring, Feet 260 <br /> Split Barrel Samples 200+ <br /> 6 inch PVC Screen, Schedule 80, with <br /> 0.03-inch slot, Feet 200 <br /> 6 inch PVC Riser, Schedule 80, Feet 200 <br /> 4 inch PVC wire wrap Screen with <br /> 0.125-inch continuous slots, Feet 150 <br /> 4 inch PVC Riser, Schedule 80, Feet 60 <br /> 2-1/2 inch Aluminum Riser Pipe, Schedule 80, Feet 240 <br /> 2-1/2 inch PVC Screen, Schedule 80, with 0.01-inch slots, Feet 45 <br /> (MARLEY FSSF ) 2A-12 <br /> (CONTRACT NO. 13 ) <br /> (11654.812 ) <br />