Editorial Notes Codification Prior to renumbering of sections 1700 to 1766 of this chapter as sections 3500 to 3566 by Pub. L. 102–83, § 5(a) , Aug. 6, 1991 , 105 Stat. 406 , sections 1725 and 1726 of this chapter were repealed. Section 1725, Pub. L. 85–857 , Sept. 2, 1958 , 72 Stat. 1197 , which related to period of operation for approval by Administrator, was repealed by Pub. L. 92–540, title IV, § 402(2) , Oct. 24, 1972 , 86 Stat. 1090 . Section 1726, Pub. L. 85–857 , Sept. 2, 1958 , 72 Stat. 1197 , which provided for control by agencies of United States, was repealed by Pub. L. 89–358, § 3(a)(3) , Mar. 3, 1966 , 80 Stat. 20 .