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<br />Under an existing agreement with a consultant a final <br />N <br />CJ1 study contract will examine the technical and economic <br />H:;>. <br />CJ feasibility of using Lower Virgin River water at the proposed <br /> <br />1000 MW Harry Allen Power Plant near Las Vegas, Nevada. The <br /> <br /> <br />study will establish the in-plant costs of using brackish <br /> <br />water from the Lower Virgin River as compared to alternative <br /> <br />supplies. Opportunities for cost shar ing further studies and <br />construction of a water supply system for the proposed (1994) <br />powerplant will be pursued with Nevada Power Company. Test <br /> <br />results from the Etiwanda study will be incorporated into the <br /> <br />process concepts proposed for the Harry Allen Plant. <br /> <br />Aquaculture - International Bio-Research, Inc. and <br />Denver Engineering Corporation completed a contract study for <br /> <br />the use of Salt Tolerant Emergent Plant (STEP) process to <br /> <br />beneficially use, concentrate, and dispose of saline water. <br /> <br />Economics of the STEP process were applied to the Glenwood- <br /> <br />Dotsero Springs Unit. Although unit costs of under $lOO/ton <br /> <br />were claimed in the study, technical issues related to crop <br /> <br />production rate, disposal pond evaporation rate, and the <br /> <br />forage value of the crops grown could not be addressed due to <br /> <br />lack of field experience. In addition, the questions related <br /> <br />to beneficial use and water rights have not been adequately <br /> <br />addressed. <br /> <br />Moveover, <br /> <br />lack of government funding for <br /> <br />continued research, and the relatively poor cost- <br /> <br />effectiveness as compared to other salinity control projects <br /> <br />does not warrant further contract studies at this time. <br /> <br />-13- <br /> <br />i. <br />