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By D.A. Dixon

The U.S. fresh Water Act demands the minimization of "adverse environmental effect" at cooling water consumption structures.  To facilitate an alternate of knowledge between all stakeholders within the factor, the electrical strength learn Institute organised a countrywide symposium in 2001 to debate the which means of difficult environmental effect and strategies for its assessment.  Technical specialists in federal and kingdom source firms, academia, and non-governmental businesses attended the symposium.  this can be a choice of peer-reviewed papers, meant either to notify and to motivate the improvement of principles concerning the minimization of inauspicious environmental impression at cooling water consumption constructions.

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Extra info for Defining and Assessing Adverse Environmental Impact from Power Plant Impingement and Entrainment of Aquatic Organisms

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C. S. Environmental Protection Agency (EPA) develops new regulations to implement Section 316(b), much of the debate has centered on adverse impingement and entrainment impacts of cooling-water intake structures. Depending on the specific location and intake layout, once-through cooling systems withdrawing many millions of gallons of water per day can, to a varying degree, harm fish and other aquatic organisms in the water bodies from which the cooling water is withdrawn. Therefore, opponents of once-through cooling systems have encouraged the EPA to require wet or dry cooling tower systems as the best technology available (BTA), without considering site-specific conditions.

The decision did not state what the benefits to be gained were, other than impact to aquatic organisms would be minimized. According to the decision, the applicant has the burden of proof to demonstrate that costs and benefits are disproportionate. One might expect, given the highly conservative nature of the Athens decision, that New York had much more stringent regulations for cooling water intakes, but, in fact, the New York regulations simply parrot the language of 316(b). The state has not issued any formal guidance or regulations that support such a conservative interpretation.

V. ment losses are not, in and of themselves, adverse impact, pending evaluation of various other factors. S. Fish and Wildlife Service defined impact as: A change in population structure or dynamics of a species resulting from an activity of man that remains at least as long as the activity continues. Also in 1980, Voigtlander[5] reviewed prior attempts at defining AEI and proposed the following definition: An impact is a significant, long-lasting, man-induced change in the numbers or biomass of a species population.

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