- All Titles
- Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
- PART 51—REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS
- Subpart DD-Requirements for Reclassified Ozone Nonattainment Areas
- Appendixes A-K to Part 51 [Reserved]
- Appendixes A-K to Part 51 [Reserved]
AUTHORITY: 23 U.S.C. 101; 42 U.S.C. 7401-7671q.
SOURCE: 36 FR 22398, Nov. 25, 1971, unless otherwise noted.