U.S. Code / Title 42 — The Public Health… / Chapter 85—Air Pollution Prevention and Control / Subchapter I—Programs and ActivitiesTitle 42PartPart B—Ozone ProtectionContents§ 7450 to 7459. Repealed. Pub. L. 101–549, title VI, §601, Nov. 15, 1990, 104 Stat. 2648