Title 40
PART 81 SUBPART D
Subpart D - Identification of Mandatory Class I Federal Areas Where Visibility Is an Important Value Authority: Secs. 101(b)(1), 110, 169A(a)(2), and 301(a), Clean Air Act as amended (42 U.S.C. 7401(b), 7410, 7491(a)(2), 7601(a)). Source: 44 FR 69124, Nov. 30, 1979, unless otherwise noted.
- Authority: 42 U.S.C. 7401, et seq.
- Source: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.
| 40:20.0.1.1.1.4.1.1 | SECTION 81.400 | 81.400 Scope. | |
| 40:20.0.1.1.1.4.1.2 | SECTION 81.401 | 81.401 Alabama. | |
| 40:20.0.1.1.1.4.1.3 | SECTION 81.402 | 81.402 Alaska. | |
| 40:20.0.1.1.1.4.1.4 | SECTION 81.403 | 81.403 Arizona. | |
| 40:20.0.1.1.1.4.1.5 | SECTION 81.404 | 81.404 Arkansas. | |
| 40:20.0.1.1.1.4.1.6 | SECTION 81.405 | 81.405 California. | |
| 40:20.0.1.1.1.4.1.7 | SECTION 81.406 | 81.406 Colorado. | |
| 40:20.0.1.1.1.4.1.8 | SECTION 81.407 | 81.407 Florida. | |
| 40:20.0.1.1.1.4.1.9 | SECTION 81.408 | 81.408 Georgia. | |
| 40:20.0.1.1.1.4.1.10 | SECTION 81.409 | 81.409 Hawaii. | |
| 40:20.0.1.1.1.4.1.11 | SECTION 81.410 | 81.410 Idaho. | |
| 40:20.0.1.1.1.4.1.12 | SECTION 81.411 | 81.411 Kentucky. | |
| 40:20.0.1.1.1.4.1.13 | SECTION 81.412 | 81.412 Louisiana. | |
| 40:20.0.1.1.1.4.1.14 | SECTION 81.413 | 81.413 Maine. | |
| 40:20.0.1.1.1.4.1.15 | SECTION 81.414 | 81.414 Michigan. | |
| 40:20.0.1.1.1.4.1.16 | SECTION 81.415 | 81.415 Minnesota. | |
| 40:20.0.1.1.1.4.1.17 | SECTION 81.416 | 81.416 Missouri. | |
| 40:20.0.1.1.1.4.1.18 | SECTION 81.417 | 81.417 Montana. | |
| 40:20.0.1.1.1.4.1.19 | SECTION 81.418 | 81.418 Nevada. | |
| 40:20.0.1.1.1.4.1.20 | SECTION 81.419 | 81.419 New Hampshire. | |
| 40:20.0.1.1.1.4.1.21 | SECTION 81.420 | 81.420 New Jersey. | |
| 40:20.0.1.1.1.4.1.22 | SECTION 81.421 | 81.421 New Mexico. | |
| 40:20.0.1.1.1.4.1.23 | SECTION 81.422 | 81.422 North Carolina. | |
| 40:20.0.1.1.1.4.1.24 | SECTION 81.423 | 81.423 North Dakota. | |
| 40:20.0.1.1.1.4.1.25 | SECTION 81.424 | 81.424 Oklahoma. | |
| 40:20.0.1.1.1.4.1.26 | SECTION 81.425 | 81.425 Oregon. | |
| 40:20.0.1.1.1.4.1.27 | SECTION 81.426 | 81.426 South Carolina. | |
| 40:20.0.1.1.1.4.1.28 | SECTION 81.427 | 81.427 South Dakota. | |
| 40:20.0.1.1.1.4.1.29 | SECTION 81.428 | 81.428 Tennessee. | |
| 40:20.0.1.1.1.4.1.30 | SECTION 81.429 | 81.429 Texas. | |
| 40:20.0.1.1.1.4.1.31 | SECTION 81.430 | 81.430 Utah. | |
| 40:20.0.1.1.1.4.1.32 | SECTION 81.431 | 81.431 Vermont. | |
| 40:20.0.1.1.1.4.1.33 | SECTION 81.432 | 81.432 Virgin Islands. | |
| 40:20.0.1.1.1.4.1.34 | SECTION 81.433 | 81.433 Virginia. | |
| 40:20.0.1.1.1.4.1.35 | SECTION 81.434 | 81.434 Washington. | |
| 40:20.0.1.1.1.4.1.36 | SECTION 81.435 | 81.435 West Virginia. | |
| 40:20.0.1.1.1.4.1.37 | SECTION 81.436 | 81.436 Wyoming. | |
| 40:20.0.1.1.1.4.1.38 | SECTION 81.437 | 81.437 New Brunswick, Canada. | |
| 40:20.0.1.1.1.4.1.39.1 | APPENDIX Appendix A | Appendix A to Part 81 - Air Quality Control Regions (AQCR's) |