40 CFR Part 51 - REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS

  1. Subpart A - Air Emissions Reporting Requirements (§§ 51.1 - 51.50)
  2. Subparts B-E [Reserved]
  3. Subpart F - Procedural Requirements (§§ 51.100 - 51.105)
  4. Subpart G - Control Strategy (§§ 51.110 - 51.126)
  5. Subpart H - Prevention of Air Pollution Emergency Episodes (§§ 51.150 - 51.153)
  6. Subpart I - Review of New Sources and Modifications (§§ 51.160 - 51.166)
  7. Subpart J - Ambient Air Quality Surveillance (§ 51.190)
  8. Subpart K - Source Surveillance (§§ 51.210 - 51.214)
  9. Subpart L - Legal Authority (§§ 51.230 - 51.232)
  10. Subpart M - Intergovernmental Consultation (§§ 51.240 - 51.242)
  11. Subpart N - Compliance Schedules (§§ 51.260 - 51.262)
  12. Subpart O - Miscellaneous Plan Content Requirements (§§ 51.280 - 51.286)
  13. Subpart P - Protection of Visibility (§§ 51.300 - 51.309)
  14. Subpart Q - Reports (§§ 51.320 - 51.328)
  15. Subpart R - Extensions (§ 51.341)
  16. Subpart S - Inspection/Maintenance Program Requirements (§§ 51.350 - 51.373)
  17. Subpart T - Conformity to State or Federal Implementation Plans of Transportation Plans, Programs, and Projects Developed, Funded or Approved Under Title 23 U.S.C. or the Federal Transit Laws (§ 51.390)
  18. Subpart U - Economic Incentive Programs (§§ 51.490 - 51.494)
  19. Subpart W - Determining Conformity of General Federal Actions to State or Federal Implementation Plans (§§ 51.850 - 51.852-51.860)
  20. Subpart X - Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard (§§ 51.900 - 51.919)
  21. Subpart Y - Mitigation Requirements (§ 51.930)
  22. Subpart Z - Provisions for Implementation of PM2.5 National Ambient Air Quality Standards (§§ 51.1000 - 51.1016)
  23. Subpart AA - Provisions for Implementation of the 2008 Ozone National Ambient Air Quality Standards (§§ 51.1100 - 51.1119)
  24. Subpart BB - Data Requirements for Characterizing Air Quality for the Primary SO2 NAAQS (§§ 51.1200 - 51.1205)
  25. Subpart CC - Provisions for Implementation of the 2015 Ozone National Ambient Air Quality Standards (§§ 51.1300 - 51.1319)
  26. Appendixes A-K to Part 51 [Reserved]
  27. Appendix L to Part 51 - Example Regulations for Prevention of Air Pollution Emergency Episodes
  28. Appendix M to Part 51 - Recommended Test Methods for State Implementation Plans
  29. Appendixes N-O to Part 51 [Reserved]
  30. Appendix P to Part 51 - Minimum Emission Monitoring Requirements
  31. Appendixes Q-R to Part 51 [Reserved]
  32. Appendix S to Part 51 - Emission Offset Interpretative Ruling
  33. Appendixes T-U to Part 51 [Reserved]
  34. Appendix V to Part 51 - Criteria for Determining the Completeness of Plan Submissions
  35. Appendix W to Part 51 - Guideline on Air Quality Models
  36. Appendix X to Part 51 - Examples of Economic Incentive Programs
  37. Appendix Y to Part 51 - Guidelines for BART Determinations Under the Regional Haze Rule
Authority:
Source:
36 FR 22398, Nov. 25, 1971, unless otherwise noted.