The Clean Air Act, referred to in subsec. (b), is act July 14, 1955, ch. 360, 69 Stat. 322, which is classified generally to chapter 85 (§ 7401 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under section 7401 of Title 42 and Tables.

The Noise Control Act of 1972 (42 U.S.C. 4901 et seq.), referred to in subsec. (b), is Pub. L. 92–574, Oct. 27, 1972, 86 Stat. 1234, which is classified principally to chapter 65 (§ 4901 et seq.) of Title 42. For complete classification of this Act to the Code, see Short Title note set out under section 4901 of Title 42 and Tables.