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Inlet % NnCI 2.0 2.0 <br />Inlet °o Na,SO, 2.2 2.2 <br />Inlet % NuHCO3 2.7 2.7 <br />Although the inlet stream temperatures for the Piceance Site evaporation pond and <br />MVR purge evaporation pond are relatively high, the relatively high surface urea of <br />the ponds will allow for rapid heat loss. <br />24. Will the pond be one large pond, or several smaller cells? Will the water quality be the <br />same throughout the pond? Are there any plans/expectations for periodic cleanout/disposal of <br />salts or concentrated brine? How often? How/where will they dispose of the material they <br />remove? <br />All ponds will be single ponds. The water quality is expected to be essentially the <br />same throughout the pond. No chemical or thermal stratification is expected. At <br />the Piceance Site and Parachute Site evaporation ponds, there are no plans for <br />periodic cleanout/disposal of salts or concentrated brine because solids <br />accumulation is not expected. Solids that accumulate in the MVR purge pond at the <br />Parachute Site will be periodically dredged and returned to the process system. <br />25. Section 2.2.1, page 2-11 -Pipeline corridor. Will the construction corridor overlap with <br />previously disturbed reclaimed azeas along the pipeline, or will it be all new vegetation <br />disturbance? <br />The desired construction right-of--way (working easement) for the American Sada <br />project pipeline will be 125 feet, which will allow sufficient room for operation of <br />construction machinery, placement of excavated materials, and movement of other <br />pipeline construction traffic along the pipeline trench during pipeline construction. <br />For purposes of analysis in the EIS, it is appropriate to assume that the right-of--way <br />will be all new disturbance. In actuality, every effort will be made to overlap <br />existing right-of--way disturbance to the extent possible, and it is estimated that up to <br />about 25 feet of the construction right-of--way may overlap existing pipeline <br />corridors in certain locations along the pipeline route. This amount of overlap is <br />nominal and dependent, in large part, on the restrictions that would be imposed by <br />the ozutters of the outer rights-of way. Wit/tin the construction right-of--way, trees <br />and shrubs will need to be cleared from those areas where they occur to allow the <br />pipeline constntction activities mentioned above. In areas wit{tout substatttinl tree <br />and shrub growth, vegetation disturbance outer than that from the actual <br />excavation of the pipeline trench will be limited to datnage to vegetation resulting <br />from movement of construction machinery and from placementlreplacement of <br />excavated materials. The trench for the pipelines will be approximately 6 feet wide, <br />and this widt{t plus about 20 feet on either side will represent the only part of the <br />16 <br />