To Meet the Clean Air Act Amendments of 1990

To meet the Clean Air Act Amendments of 1990,

A) the EPA will no longer strictly enforce NAAQS standards.
B) each state must develop a strategy to meet NAAQS standards for all major pollutants.
C) state implementation plans apply only to sulfur and nitrogen oxide emissions.
D) states with large industrial air pollutant emissions are exempt from EPA scrutiny.