U.S. Code / Title 42 — The Public Health… / Chapter 85—Air Pollution Prevention and Control / Subchapter I—Programs and Activities / Part D—Plan Requirements for Nonattainment AreasTitle 42Subpartsubpart 5—additional provisions for areas designated nonattainment for sulfur oxides, nitrogen dioxide, or leadContents§ 7514. Plan submission deadlines§ 7514a. Attainment dates