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Backfill <br /> ORC SLURRY BACKFILL <br /> Dissolved Hydrocarbon Level (ppm) 67 Bore Hole Diameter(in) 7 2 <br /> (For gasoline sites use BTEX measurements) Solids Content 65% <br /> Treatment Zone Wdth (ft) 75 Bore Hole Volume (cu. ft.) 0.33 <br /> Treatment Zone Length (ft) 41 ORC per Bore Hole(lbs.) 22.0 <br /> Thickness of Saturated Treatment Zone (ft) 15 !Number of Bore Holes in Grid 883 <br /> Porosity 0.42 <br /> (sand= a3, silt=0.35, clay= 0.4) Calculated Bore Hole Spacing (ft) 21 <br /> Total Treatment Zone Volume (cu. ft) 46,125 <br /> Dissolved Phase Hydrocarbon Mass (Ibs) 80.9 APPLICATION COMMENTS .J <br /> Additional Demand Factor 8 *ORC per hole is above lower limit of <br /> (REGENESIS recommends a factor of about 8} 1 pound per linear foot. <br /> Loaded Hydrocarbon Mass (lbs) 647.2 <br /> Oxygen Required (lbs) 1941.6 <br /> ORC Required (lbs) 19416.0 <br /> ORC Unit Cost $ .10.00 <br /> Total Cost of ORC $ 194,160.00 <br /> FOR SOLUTE TRANSPORT MODEL ENTER VALUES BELOW <br /> GW Velocity (ft 1 day) 0.73 <br /> Compliance Pt. (ft) 50 <br /> Ratio of 02 provided : 02 required (percent) 75% <br /> HC Level at compliance point <br /> after selected ratio of oxygen in ppm 12.223 <br /> Page 1 <br /> I <br />