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<br /> <br />Table 2 <br />Summary of Management Alternative Coats <br />Current Mine Water Discharges <br />(Outfalls 001 and 004) <br />Powderhorn Coal Company <br />Palisade, Colorado <br /> Salt Elimination Salt Minimization <br /> Capital O&M 5-Year Present Capital O&M 5-Year Present <br />Management Description of Caet Coet Worth Cost Coet Coat Worth Cast <br />Alternative Alternative ($000,000) ($000.000/vr ) ($000.000) ($000,000) ($000,000lvr) ($000.000) <br /> <br />MAl Off-Site Management at an Approved NA(1) NA NA NA NA NA <br /> Treetment/Diapoeal Facility <br />MA2 OnSite Treatment Utilizing Reverse 3.1 0.9 7.1 2.6 0.4 4.4 <br /> Osmosis and Direct Discharge <br />MA3 On-Site Treatment Utilizing Demineral- 2.7 2.0 11.9 1.6 0.7 4.7 <br /> ization Ion Exchange and Direct <br /> Discharge <br />MA4 OnSite Management Utilizing Natural 21.9 0.0 21.9 6.7 0.0 b.7 <br /> Evaporation With no Discharge <br />MA6 On-Site Management Utilizing Assisted 4.8 0.2 5.8 1.4 0.1 1.7 <br /> Evaporation With no Discharge <br />MA6 OnSite Management Utilizing Under- 2.3 0.3 3.6 0.8 0.1 1.3 <br /> ground Ittjertion <br />(1)NA =Not applicable. <br />