PART 49—INDIAN COUNTRY: AIR QUALITY PLANNING AND MANAGEMENT
- Subpart A—Tribal Authority (§§ 49.1 - 49.12-49.50)
- Subpart B—General Provisions (§ 49.51-49.100)
- Subpart C—General Federal Implementation Plan Provisions (§§ 49.101 - 49.173)
- Subpart D—Implementation Plans for Tribes—Region I (§§ 49.201 - 49.203-49.470)
- Subpart E—Implementation Plans for Tribes—Region II (§§ 49.471 - 49.472-49.680)
- Subpart F—Implementation Plans for Tribes—Region III (§ 49.681-49.710)
- Subpart G—Implementation Plans for Tribes—Region IV (§ 49.711-49.920)
- Subpart H—Implementation Plans for Tribes—Region V (§ 49.921-49.1970)
- Subpart I—Implementation Plans for Tribes—Region VI (§ 49.1971-49.3920)
- Subpart J—Implementation Plans for Tribes—Region VII (§ 49.3921-49.4160)
- Subpart K—Implementation Plans for Tribes—Region VIII (§§ 49.4161 - 49.4201-49.5510)
- Subpart L—Implementation Plans for Tribes—Region IX (§§ 49.5511 - 49.5516-49.9860)
- Subpart M—Implementation Plans for Tribes—Region X (§§ 49.9861 - 49.11111-49.17810)