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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />002288 <br /> <br />PROBLEMS AND OPPORTUNITIES <br /> <br />The estimated average annual salt contribution to the Colorado River <br />from the Uinta Basin, pariette Draw, Ashley Valley, and small <br />tributaries to the Green River is 450,000 tons. The recommended plan <br />for phase I would remove about 25,500 tons per year at a cumulative <br />cost effectiveness of $88 per ton based on January 1985 prices, and an <br />interest rate of 8-5/8 percent. <br /> <br />. <br /> <br />If the construction costs were indexed to January 1989 prices with an <br />interest rate of 8-7/8 percent, the annual cost would be $2,419,900 <br />which would result in a cost effectiveness of $95 per ton for the <br />phase I recommended plan. Adding the lining of 3.2 miles of My ton <br />Townsite Canal to the recommended plan would result in a total annual <br />cost of $2,612,550 and a total salt reduction of 27,650 tons. The <br />cost effectiveness would then be $94 per ton. <br /> <br />AS stated in the Hydrosalinity Appendix for Uinta Basin Unit, phase I, <br />the actual amount of winter use of the canals for livestock water will <br />be further quantified during preconstruction activities. Eliminating <br />winter use of the canals by providing alternative sources of water <br />might be another cost effective method of reducing salt loading if the <br />winter use is more extensive than originally determined. <br /> <br />. <br /> <br />e <br /> <br />6 <br />