Annual edition
Pub. L. 101–549 amended section generally, substituting present provisions for provisions which related to: in subsec. (a), finding of violation, notice, compliance order, civil action, State failure to enforce plan, and construction or modification of major stationary sources; in subsec. (b), violations by owners or operators of major stationary sources; in subsec. (c), penalties; in subsec. (d), final compliance orders; and in subsec. (e), steel industry compliance extension.
Source credit
Pub. L. 101–549, title VII, § 701, Nov. 15, 1990, 104 Stat. 2672.
Jul 17, 1981 – Nov 15, 1990
Amended · full text not held
Subsec. (e). Pub. L. 97–23 added subsec. (e).
Source credit
Pub. L. 97–23, § 2, July 17, 1981, 95 Stat. 139
Nov 16, 1977 – Jul 17, 1981
Amended · full text not held
Subsec. (a)(5). Pub. L. 95–95, § 111(a), added par. (5).
Source credit
Pub. L. 95–190, § 14(a)(10)–(21), (b)(1), Nov. 16, 1977, 91 Stat. 1400, 1404
Aug 7, 1977 – Nov 16, 1977
Amended · full text not held
Subsec. (a)(5). Pub. L. 95–95, § 111(a), added par. (5).
Source credit
Pub. L. 95–95, title I, §§ 111, 112(a), Aug. 7, 1977, 91 Stat. 704, 705
Jun 22, 1974 – Aug 7, 1977
Amended · full text not held
Subsec. (a)(3). Pub. L. 93–319, § 6(a)(1), inserted reference to section 1857c–10(g) of this title (relating to energy-related authorities).
Source credit
Pub. L. 93–319, § 6(a)(1)–(3), June 22, 1974, 88 Stat. 259
Nov 18, 1971 – Jun 22, 1974
Amended · full text not held
Subsec. (b)(2). Pub. L. 92–157, § 302(b), inserted “(A)” before “during” and “, or (B)” after “assumed enforcement”.
Source credit
amended Pub. L. 92–157, title III, § 302(b), (c), Nov. 18, 1971, 85 Stat. 464
Dec 31, 1970 – Nov 18, 1971
Amended · full text not held
Source credit
July 14, 1955, ch. 360, title I, § 113, as added Pub. L. 91–604, § 4(a), Dec. 31, 1970, 84 Stat. 1686
Jul 14, 1955 – Dec 31, 1970
Enacted · full text not held
Source credit
July 14, 1955, ch. 360, title I, § 113, as added Pub. L. 91–604, § 4(a), Dec. 31, 1970, 84 Stat. 1686
