The Clean Air Act

1990 Amendments achievable acid rain administrative agency air quality standards ambient air quality approved Ass'n BACT boilers CAA Section Class I areas Clean Air Act compliance court held criteria pollutant D.C. Cir D.C. Circuit determined emission limitations Emission offset emission reduction Emission Standards environmental EPA's existing sources facility federally enforceable gasoline Hazardous Air Pollutants implementation plan industry issued MACT standards major source major stationary sources ments mobile sources modification monitoring Montreal Protocol motor vehicle NAAQS National Natural Resources Defense nitrogen oxides NOx emission NSPS operating permit program ozone nonattainment areas penalties Performance Phase potential to emit promulgated provisions PSD permit PSD program regulations requirements Resources Defense Council SIP call SIP rules SIP submittal source categories Source Performance Standards Standards for Hazardous stationary source Subpart substances sulfur dioxide tion Title V operating Title V permit transport units violation visibility VOCs Volatile Organic Compound