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<br />. <br /> <br />programs. These applications could result in a significant reduction <br />in waste products, thereby reducing the waste disposal requirements <br />and costs. <br />C. Evaporation Enhancement <br />Research is underway relative to the design and operation of <br />evaporation ponds. Certain staged operations have suggested consid- <br />erable promise for more efficient use of evaporation ponds, thereby <br />reducing the land area needed and construction costs. Moreover, <br />various controlled spray techniques have indicated up to a 25-percent <br />increase in evaporation rates. Data from these research studies will <br />be applied in the evaporation pond design of the La Verkin Springs <br />Unit and alternatives to be reevaluated. <br />D. Exportation Alternative (Industrial Use) <br />At one stage of the plan formulation process it appeared that <br />exportation of the spring water for industrial use might be a definite <br />viable alternative, but recent studies have since shown it to be <br />impractical. Because of the public interest in this alternative, it is <br />reported here even though it is not viable. The following discussion <br />presents the exportation alternative and the recent events which have <br />concluded it to be unavailable. <br />It was hypothesized that the 11.5 ft3/ s discharge from the <br />springs could possibly be used in a coal slurry pipeline conveying <br />coal from the Alton Coal Field in southern Utah, about 50 air miles <br />from La Verkin Springs. Nevada Power Company investigated the <br />feasibility of obtaining and using the water for the slurry line, and <br />subsequent use as cooling water for a coal-fired powerplant. <br />The study entitled, "La Verkin Springs - Water Utilization Study <br />for the Harry Allen-Warner Valley Energy System," prepared by <br />Engineering Management Incorporated for Nevada Power Company, <br />found the proposal to be economically infeasible. In brief, the <br />project would have required a 72-mile pipeline, 20 inches in diameter, <br />from La Verkin Springs to the Alton Coal Field. The study found <br />that costs would be 50 percent more than the selected plan even <br /> <br />002531 <br /> <br />22 <br />