Nondegradation Policy of the Clean Air Act: Hearing, Ninety-third Congress, First Session |
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2d Sess 91st Cong acid rain Administrator Air Pollution Control air pollution episodes Air Quality Act air quality criteria air quality standards ambient air quality amici curiae approve atmospheric BAGGE bronchitis chronic Clean Air Act clean-air areas clearcutting coal industry Congress contaminants deterioration of air deterioration of existing dirty-air areas economic effects of air electric emission standards emphysema environment EPA's existing air quality exposure factors federal forest fuel goals health and welfare health effects Hearings implementation plans increase lung cancer ment Monongahela National Forest morbidity mortality Moss Nation's air resources national primary national standards nitrogen oxides nondegradation oxides particulates petitioner power plants present primary and secondary problems prohibition against significant prohibits significant deterioration promulgated protect and enhance public health result secondary standards Section Senate Report Senator MCCLURE Senator MUSKIE Sierra Club SO₂ SO2 emission sources specific statement statute sulfur dioxide tion United Water Pollution