Annual edition
Pub. L. 101–549, §102(f)(2)(A), inserted “or of implementing section 7506a of this title (relating to control of interstate air pollution) or section 7511c of this title (relating to control of interstate ozone pollution)” after “section 7407 of this title”.
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Nov. 15, 1990, Pub. L. 101–549, title I, §102(f)(2), title VIII, §802(f), 104 Stat. 2420, 2688.
Dec 31, 1970 – Nov 15, 1990
Amended · full text not held
Pub. L. 91–604 struck out designation “(a)”, substituted provisions authorizing Federal grants for the purpose of developing implementation plans and provisions requiring the designated State agency to be capable of recommending plans for implementation of national primary and secondary ambient air quality standards, for provisions authorizing Federal grants for the purpose of expediting the establishment of air quality standards and provisions requiring the designated State agency to be capable of recommending standards of air quality and plans for implementation thereof, respectively, and struck out subsec. (b) which authorized establishment of air quality planning commissions.
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amended Dec. 31, 1970, Pub. L. 91–604, §3(c), 84 Stat. 1677
Nov 21, 1967 – Dec 31, 1970
Amended · full text not held
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July 14, 1955, ch. 360, title I, §106, as added Nov. 21, 1967, Pub. L. 90–148, §2, 81 Stat. 490
Jul 14, 1955 – Nov 21, 1967
Enacted · full text not held
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July 14, 1955, ch. 360, title I, §106, as added Nov. 21, 1967, Pub. L. 90–148, §2, 81 Stat. 490