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r I (JO(J~o5 . Outlook. - Additional delays and problems are expected in the BCT verifica- tion program because utilities are continually changing plans for new powerplants. These plans will require close monitoring to take advantage of future saline water use opportunities. Program impacts from this unit must be considered long term since a BCT verification program may extend up to 5 years. Additional delays in powerplant construction will also limit development of saline water use opportunities. Aquatrain. - Recent changes in project scope and concept (additional commodities, water sources, intermediate delivery points, corridor alterna- tives, and design) have expanded the potential impacts for sal inity control. However, the added complexity of the proposed system and neces- sary marketing and suport activities will result in additional scoping studies and corridor analysis. Aquatrain could accelerate the completion of those units which would supply water to the pipeline. It would allow collection of water from several units and, where collected, would eliminate the need for other separate collection and disposal features. For example, water from the Big Sandy River, Glenwood-Dotsero Springs, and Price-San Rafael Rivers Units could be combined into the Aquatrain system and thus eliminate the need for other major structural measures in those unit areas. c' Outlook. - Program planning schedules will continue to be better defined, and Reclamation-funded studies will provide needed evaluation of the changes in project scope. W. R. Grace & Co. continues to demonstrate good faith in continued support of C02 pilot plant studies and is seeking private funds for additional proof of concept studies. Additional studies of the economics of liquid C02 production and marketing are needed to support the concept. A possible linkup with the IPP complex or similar short-haul transport situation provides the opportunity for phased imple- mentation with large-scale salinity reduction by Aquatrain possible in the late 1980's. MAJOR ISSUES AND CONCERNS Reclamation's WQIP Most of the delays and changes in project concept or scope can be related to the complexities and unknowns in the saline ground-water systems found in all source areas. Assessment of the program uncertainties have resulted in reduced salinity impacts and higher costs per unit reduction. In view of the continuing issues involving water rights for evaporation pond disposal and exportation and the technical problems of disposal ponds (costs, need for liners, acceptable leakage), ~sing the collected saline waters for benefici . strategy that satisfies thes~ concerns..J However, this strategy increases our dependence on he vagaries of energy. / development and the water use plans of private industry. 7