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原文传递 SURVIVING THE TURBULENCE: THE TRANSPORTATION-AIR QUALITY ARENA, 1999-2000.

题名：	SURVIVING THE TURBULENCE: THE TRANSPORTATION-AIR QUALITY ARENA, 1999-2000.
作者：	Koontz-M
关键词：	Air-pollution; Air-quality; Attainment-; Clean-Air-Act; Clean-Air-Act-Amendments; Court-decisions; Exhaust-gases; Legal-factors; Litigation-; Nitrogen-oxides; Nonattainment-areas; Ozone-; Pollution-control; Transportation-; U.S.-Environmental-Protection-Agency
摘要：	With the implementation of the 1990 Clean Air Act (CAA) amendments and the development of the 1993 final rule, transportation conformity has become part of the lexicon for transportation professionals in the vast majority of major metropolitan areas around the country. The conformity process has been spelled out and has taken on a structure all its own since the original rule and the several major amendments in 1995 and 1997. Just as state and local transportation and air quality agencies were becoming familiar with the modified transportation conformity rule, a spate of legal decisions and settlements confronted them in 1999. The fallout of these legal proceedings continues and, in some cases, is accelerating in 2000. The earliest of the 1999 events was a March decision from the U.S. Court of Appeals for the District of Columbia (D.C.) Circuit, which dealt a blow to the transportation conformity amendments from 1997. In May 1999, a hard blow was dealt to the air quality program of the Environmental Protection Agency (EPA) by the same court. About the same time, the same court put the brakes on EPA's NOx SIP call, which was EPA's attempt to control nitrogen oxides, a major ozone precursor, on a supraregional basis. Amid all the legal and technical wrangling, air quality professionals continued to make progress toward clean air attainment in the country's most difficult ozone areas. Though moving ahead, this progress has fallen well behind the milestones called for in the 1990 CAA amendments. Consequently, the Natural Resources Defense Council and others brought suit against EPA for failing to disapprove SIPs that do not meet federal clean air requirements. In November 1999, EPA agreed to a proposed consent decree with the D.C. court.
总页数：	Public Roads. 2000/09. 64(2) pp23-28 (6 Phot.)
报告类型：	科技报告