The Environmental Protection Agency proposed to implement the eight-hour ozone national ambient air quality standard for state implementation plans (40 C.F.R. Part 51) under the Clean Air Act.
The Environmental Protection Agency proposed to implement the eight-hour ozone national ambient air quality standard for state implementation plans (40 C.F.R. Part 51) under the Clean Air Act.
Action
Published Date
Code CFR
40 C.F.R. Part 51
Department
Pages
32801-32870
Volume Number
68
