Codification Section 1857d, act July 14, 1955, ch. 360, title I, § 115, formerly § 5, as added Dec. 17, 1963, Pub. L. 88–206, § 1, 77 Stat. 396; renumbered § 105 and amended Oct. 20, 1965, Pub. L. 89–272, title I, §§ 101(2), (3), 102, 79 Stat. 992, 995; renumbered § 108 and amended Nov. 21, 1967, Pub. L. 90–148, § 2, 81 Stat. 491; renumbered § 115 and amended Dec. 31, 1970, Pub. L. 91–604, §§ 4(a), (b)(2)–(10), 15(c)(2), 84 Stat. 1678, 1688, 1689, 1713, which related to abatement of air pollution by means of conference procedure, was transferred to section 7415 of this title.

Section 1857d–1, act July 14, 1955, ch. 360, title I, § 116, formerly § 109 as added Nov. 21, 1967, Pub. L. 90–148, § 2, 81 Stat. 497; renumbered and amended Dec. 31, 1970, Pub. L. 91–604, § 4(a), (c), 84 Stat. 1678, 1689; June 22, 1974, Pub. L. 93–319, § 6(b), 88 Stat. 259, which related to retention of State authority concerning air pollution, was transferred to section 7416 of this title.

Section 1857e, act July 14, 1955, ch. 360, title I, § 117, formerly § 6, as added Dec. 17, 1963, Pub. L. 88–206, § 1, 77 Stat. 399; renumbered § 106, Oct. 20, 1965, Pub. L. 89–272, title I, § 101(3), 79 Stat. 992; renumbered § 110 and amended Nov. 21, 1967, Pub. L. 90–148, § 2, 81 Stat. 498; renumbered § 117 and amended Dec. 31, 1970, Pub. L. 91–604, §§ 4(a), (d), 15(c)(2), 84 Stat. 1678, 1689, 1713, which related to an Air Quality Advisory Board and to advisory committees, was transferred to section 7417 of this title.

Section 1857f, act July 14, 1955, ch. 360, title I, § 118, formerly § 7, as added Dec. 17, 1963, Pub. L. 88–206, § 1, 77 Stat. 399; renumbered § 107, Oct. 20, 1965, Pub. L. 89–272, title I, § 101(3), 79 Stat. 992; renumbered § 111 and amended Nov. 21, 1967, Pub. L. 90–148, § 2, 81 Stat. 499; renumbered § 118 and amended Dec. 31, 1970, Pub. L. 91–604, §§ 4(a), 5, 84 Stat. 1678, 1689, which related to control and abatement of air pollution from Federal facilities, Presidential exemption, and report to Congress on Presidential exemptions, was transferred to section 7418 of this title.