First use of the Federal Clean Air Act's emergency authority: a local analysis.
D000397:Air Pollution / Q000032:analysis / Q000517:prevention & control*; D000407:Alabama; D004630:Emergencies; D004782:Environmental Health; D006077:Government Agencies; D007221:Industry; D007878:Legislation as Topic; D011635:Public Health Administration; D012926:Social Control, Formal; D014481:United States; D014887:Weather