Code of Federal Regulations · Subpart
Subpart B — Designation Of Air Quality Control Regions
40 C.F.R. pt. 81, subpt. B
- § 81.11 Scope
- § 81.12 National Capital Interstate Air Quality Control Region (district Of Columbia, Maryland, And Virginia)
- § 81.13 New Jersey-new York-connecticut Interstate Air Quality Control Region
- § 81.14 Metropolitan Chicago Interstate Air Quality Control Region
- § 81.15 Metropolitan Philadelphia Interstate Air Quality Control Region (pennsylvania-new Jersey-delaware)
- § 81.16 Metropolitan Denver Intrastate Air Quality Control Region
- § 81.17 Metropolitan Los Angeles Air Quality Control Region
- § 81.18 Metropolitan St. Louis Interstate Air Quality Control Region
- § 81.19 Metropolitan Boston Intrastate Air Quality Control Region
- § 81.20 Metropolitan Cincinnati Interstate Air Quality Control Region
- § 81.21 San Francisco Bay Area Intrastate Air Quality Control Region
- § 81.22 Greater Metropolitan Cleveland Intrastate Air Quality Control Region
- § 81.23 Southwest Pennsylvania Intrastate Air Quality Control Region
- § 81.24 Niagara Frontier Intrastate Air Quality Control Region
- § 81.25 Metropolitan Kansas City Interstate Air Quality Control Region
- § 81.26 Hartford-new Haven-springfield Interstate Air Quality Control Region
- § 81.27 Minneapolis-st. Paul Intrastate Air Quality Control Region
- § 81.28 Metropolitan Baltimore Intrastate Air Quality Control Region
- § 81.29 Metropolitan Indianapolis Intrastate Air Quality Control Region
- § 81.30 Southeastern Wisconsin Intrastate Air Quality Control Region
- § 81.31 Metropolitan Providence Interstate Air Quality Control Region
- § 81.32 Puget Sound Intrastate Air Quality Control Region
- § 81.33 Steubenville-weirton-wheeling Interstate Air Quality Control Region
- § 81.34 Metropolitan Dayton Intrastate Air Quality Control Region
- § 81.35 Louisville Interstate Air Quality Control Region
- § 81.36 Maricopa Intrastate Air Quality Control Region
- § 81.37 Metropolitan Detroit-port Huron Intrastate Air Quality Control Region
- § 81.38 Metropolitan Houston-galveston Intrastate Air Quality Control Region
- § 81.39 Metropolitan Dallas-fort Worth Intrastate Air Quality Control Region
- § 81.40 Metropolitan San Antonio Intrastate Air Quality Control Region
- § 81.41 Metropolitan Birmingham Intrastate Air Quality Control Region
- § 81.42 Chattanooga Interstate Air Quality Control Region
- § 81.43 Metropolitan Toledo Interstate Air Quality Control Region
- § 81.44 Metropolitan Memphis Interstate Air Quality Control Region
- § 81.45 Metropolitan Atlanta Intrastate Air Quality Control Region
- § 81.46 U.s. Virgin Islands Air Quality Control Region
- § 81.47 Central Oklahoma Intrastate Air Quality Control Region
- § 81.48 Champlain Valley Interstate Air Quality Control Region
- § 81.49 Southeast Florida Intrastate Air Quality Control Region
- § 81.50 Metropolitan Omaha-council Bluffs Interstate Air Quality Control Region
- § 81.51 Portland Interstate Air Quality Control Region
- § 81.52 Wasatch Front Intrastate Air Quality Control Region
- § 81.53 Southern Louisiana-southeast Texas Interstate Air Quality Control Region
- § 81.54 Cook Inlet Intrastate Air Quality Control Region
- § 81.55 Northeast Pennsylvania-upper Delaware Valley Interstate Air Quality Control Region
- § 81.57 Eastern Tennessee-southwestern Virginia Interstate Air Quality Control Region
- § 81.58 Columbus (georgia)-phenix City (alabama) Interstate Air Quality Control Region
- § 81.59 Cumberland-keyser Interstate Air Quality Control Region
- § 81.60 Duluth (minnesota)-superior (wisconsin) Interstate Air Quality Control Region
- § 81.61 Evansville (indiana)-owensboro-henderson (kentucky) Interstate Air Quality Control Region
- § 81.62 Northeast Mississippi Intrastate Air Quality Control Region
- § 81.63 Metropolitan Fort Smith Interstate Air Quality Control Region
- § 81.64 Huntington (west Virginia)-ashland (kentucky)-portsmouth-ironton (ohio) Interstate Air Quality Control Region
- § 81.65 Joplin (missouri)-northeast Oklahoma Interstate Air Quality Control Region
- § 81.66 Southeast Minnesota-la Crosse (wisconsin) Interstate Air Quality Control Region
- § 81.67 Lake Michigan Intrastate Air Quality Control Region
- § 81.68 Mobile (alabama)-pensacola-panama City (florida)-southern Mississippi Interstate Air Quality Control Region
- § 81.69 Paducah (kentucky)-cairo (illinois) Interstate Air Quality Control Region
- § 81.70 Parkersburg (west Virginia)-marietta (ohio) Interstate Air Quality Control Region
- § 81.71 Rockford (illinois)-janesville-beloit (wisconsin) Interstate Air Quality Control Region
- § 81.72 Tennessee River Valley (alabama)-cumberland Mountains (tennessee) Interstate Air Quality Control Region
- § 81.73 South Bend-elkhart (indiana)-benton Harbor (michigan) Interstate Air Quality Control Region
- § 81.74 Northwest Pennsylvania-youngstown Interstate Air Quality Control Region
- § 81.75 Metropolitan Charlotte Interstate Air Quality Control Region
- § 81.76 State Of Hawaii Air Quality Control Region
- § 81.77 Puerto Rico Air Quality Control Region
- § 81.78 Metropolitan Portland Intrastate Air Quality Control Region
- § 81.79 Northeastern Oklahoma Intrastate Air Quality Control Region
- § 81.80 Las Vegas Intrastate Air Quality Control Region
- § 81.81 Merrimack Valley-southern New Hampshire Interstate Air Quality Control Region
- § 81.82 El Paso-las Cruces-alamogordo Interstate Air Quality Control Region
- § 81.83 Albuquerque-mid Rio Grande Intrastate Air Quality Control Region
- § 81.84 Metropolitan Fargo-moorhead Interstate Air Quality Control Region
- § 81.85 Metropolitan Sioux Falls Interstate Air Quality Control Region
- § 81.86 Metropolitan Sioux City Interstate Air Quality Control Region
- § 81.87 Metropolitan Boise Intrastate Air Quality Control Region
- § 81.88 Billings Intrastate Air Quality Control Region
- § 81.89 Metropolitan Cheyenne Intrastate Air Quality Control Region
- § 81.90 Androscoggin Valley Interstate Air Quality Control Region
- § 81.91 Jacksonville (florida)-brunswick (georgia) Interstate Air Quality Control Region
- § 81.92 Monroe (louisiana)—El Dorado (arkansas) Interstate Air Quality Control Region
- § 81.93 Hampton Roads Intrastate Air Quality Control Region
- § 81.94 Shreveport-texarkana-tyler Interstate Air Quality Control Region
- § 81.95 Central Florida Intrastate Air Quality Control Region
- § 81.96 West Central Florida Intrastate Air Quality Control Region
- § 81.97 Southwest Florida Intrastate Air Quality Control Region
- § 81.98 Burlington-keokuk Interstate Air Quality Control Region
- § 81.99 New Mexico Southern Border Intrastate Air Quality Control Region
- § 81.100 Eastern Washington-northern Idaho Interstate Air Quality Control Region
- § 81.101 Metropolitan Dubuque Interstate Air Quality Control Region
- § 81.102 Metropolitan Quad Cities Interstate Air Quality Control Region
- § 81.104 Central Pennsylvania Intrastate Air Quality Control Region
- § 81.105 South Central Pennsylvania Intrastate Air Quality Control Region
- § 81.106 Greenville-spartanburg Intrastate Air Quality Control Region
- § 81.107 Greenwood Intrastate Air Quality Control Region
- § 81.108 Columbia Intrastate Air Quality Control Region
- § 81.109 Florence Intrastate Air Quality Control Region
- § 81.110 Camden-sumter Intrastate Air Quality Control Region
- § 81.111 Georgetown Intrastate Air Quality Control Region
- § 81.112 Charleston Intrastate Air Quality Control Region
- § 81.113 Savannah (georgia)-beaufort (south Carolina) Interstate Air Quality Control Region
- § 81.114 Augusta (georgia)-aiken (south Carolina) Interstate Air Quality Control Region
- § 81.115 Northwest Nevada Intrastate Air Quality Control Region
- § 81.116 Northern Missouri Intrastate Air Quality Control Region
- § 81.117 Southeast Missouri Intrastate Air Quality Control Region
- § 81.118 Southwest Missouri Intrastate Air Quality Control Region
- § 81.119 Western Tennessee Intrastate Air Quality Control Region
- § 81.120 Middle Tennessee Intrastate Air Quality Control Region
- § 81.121 Four Corners Interstate Air Quality Control Region
- § 81.122 Mississippi Delta Intrastate Air Quality Control Region
- § 81.123 Southeastern Oklahoma Intrastate Air Quality Control Region
- § 81.124 North Central Oklahoma Intrastate Air Quality Control Region
- § 81.125 Southwestern Oklahoma Intrastate Air Quality Control Region
- § 81.126 Northwestern Oklahoma Intrastate Air Quality Control Region
- § 81.127 Central New York Intrastate Air Quality Control Region
- § 81.128 Genesee-finger Lakes Intrastate Air Quality Control Region
- § 81.129 Hudson Valley Intrastate Air Quality Control Region
- § 81.130 Southern Tier East Intrastate Air Quality Control Region
- § 81.131 Southern Tier West Intrastate Air Quality Control Region
- § 81.132 Abilene-wichita Falls Intrastate Air Quality Control Region
- § 81.133 Amarillo-lubbock Intrastate Air Quality Control Region
- § 81.134 Austin-waco Intrastate Air Quality Control Region
- § 81.135 Brownsville-laredo Intrastate Air Quality Control Region
- § 81.136 Corpus Christi-victoria Intrastate Air Quality Control Region
- § 81.137 Midland-odessa-san Angelo Intrastate Air Quality Control Region
- § 81.138 Central Arkansas Intrastate Air Quality Control Region
- § 81.139 Northeast Arkansas Intrastate Air Quality Control Region
- § 81.140 Northwest Arkansas Intrastate Air Quality Control Region
- § 81.141 Berkshire Intrastate Air Quality Control Region
- § 81.142 Central Massachusetts Intrastate Air Quality Control Region
- § 81.143 Central Virginia Intrastate Air Quality Control Region
- § 81.144 Northeastern Virginia Intrastate Air Quality Control Region
- § 81.145 State Capital Intrastate Air Quality Control Region
- § 81.146 Valley Of Virginia Intrastate Air Quality Control Region
- § 81.147 Eastern Mountain Intrastate Air Quality Control Region
- § 81.148 Eastern Piedmont Intrastate Air Quality Control Region
- § 81.149 Northern Coastal Plain Intrastate Air Quality Control Region
- § 81.150 Northern Piedmont Intrastate Air Quality Control Region
- § 81.151 Sandhills Intrastate Air Quality Control Region
- § 81.152 Southern Coastal Plain Intrastate Air Quality Control Region
- § 81.153 Western Mountain Intrastate Air Quality Control Region
- § 81.154 Eastern Shore Intrastate Air Quality Control Region
- § 81.155 Central Maryland Intrastate Air Quality Control Region
- § 81.156 Southern Maryland Intrastate Air Quality Control Region
- § 81.157 North Central Wisconsin Intrastate Air Quality Control Region
- § 81.158 Southern Wisconsin Intrastate Air Quality Control Region
- § 81.159 Great Basin Valley Intrastate Air Quality Control Region
- § 81.160 North Central Coast Intrastate Air Quality Control Region
- § 81.161 North Coast Intrastate Air Quality Control Region
- § 81.162 Northeast Plateau Intrastate Air Quality Control Region
- § 81.163 Sacramento Valley Intrastate Air Quality Control Region
- § 81.164 San Diego Intrastate Air Quality Control Region
- § 81.165 San Joaquin Valley Intrastate Air Quality Control Region
- § 81.166 South Central Coast Intrastate Air Quality Control Region
- § 81.167 Southeast Desert Intrastate Air Quality Control Region
- § 81.168 Great Falls Intrastate Air Quality Control Region
- § 81.169 Helena Intrastate Air Quality Control Region
- § 81.170 Miles City Intrastate Air Quality Control Region
- § 81.171 Missoula Intrastate Air Quality Control Region
- § 81.172 Comanche Intrastate Air Quality Control Region
- § 81.173 Grand Mesa Intrastate Air Quality Control Region
- § 81.174 Pawnee Intrastate Air Quality Control Region
- § 81.175 San Isabel Intrastate Air Quality Control Region
- § 81.176 San Luis Intrastate Air Quality Control Region
- § 81.177 Yampa Intrastate Air Quality Control Region
- § 81.178 Southern Delaware Intrastate Air Quality Control Region
- § 81.179 Aroostook Intrastate Air Quality Control Region
- § 81.181 Down East Intrastate Air Quality Control Region
- § 81.182 Northwest Maine Intrastate Air Quality Control Region
- § 81.183 Eastern Connecticut Intrastate Air Quality Control Region
- § 81.184 Northwestern Connecticut Intrastate Air Quality Control Region
- § 81.185 Northern Washington Intrastate Air Quality Control Region
- § 81.187 Olympic-northwest Washington Intrastate Air Quality Control Region
- § 81.189 South Central Washington Intrastate Air Quality Control Region
- § 81.190 Eastern Idaho Intrastate Air Quality Control Region
- § 81.191 Appalachian Intrastate Air Quality Control Region
- § 81.192 Bluegrass Intrastate Air Quality Control Region
- § 81.193 North Central Kentucky Intrastate Air Quality Control Region
- § 81.194 South Central Kentucky Intrastate Air Quality Control Region
- § 81.195 Central Michigan Intrastate Air Quality Control Region
- § 81.196 South Central Michigan Intrastate Air Quality Control Region
- § 81.197 Upper Michigan Intrastate Air Quality Control Region
- § 81.199 East Alabama Intrastate Air Quality Control Region
- § 81.200 Metropolitan Columbus Intrastate Air Quality Control Region
- § 81.201 Mansfield-marion Intrastate Air Quality Control Region
- § 81.202 Northwest Ohio Intrastate Air Quality Control Region
- § 81.203 Sandusky Intrastate Air Quality Control Region
- § 81.204 Wilmington-chillicothe-logan Intrastate Air Quality Control Region
- § 81.205 Zanesville-cambridge Intrastate Air Quality Control Region
- § 81.213 Casper Intrastate Air Quality Control Region
- § 81.214 Black Hills-rapid City Intrastate Air Quality Control Region
- § 81.215 East Central Indiana Intrastate Air Quality Control Region
- § 81.216 Northeast Indiana Intrastate Air Quality Control Region
- § 81.217 Southern Indiana Intrastate Air Quality Control Region
- § 81.218 Wabash Valley Intrastate Air Quality Control Region
- § 81.219 Central Oregon Intrastate Air Quality Control Region
- § 81.220 Eastern Oregon Intrastate Air Quality Control Region
- § 81.221 Southwest Oregon Intrastate Air Quality Control Region
- § 81.226 Lincoln-beatrice-fairbury Intrastate Air Quality Control Region
- § 81.230 Allegheny Intrastate Air Quality Control Region
- § 81.231 Central West Virginia Intrastate Air Quality Control Region
- § 81.232 Eastern Panhandle Intrastate Air Quality Control Region
- § 81.233 Kanawha Valley Intrastate Air Quality Control Region
- § 81.234 North Central West Virginia Intrastate Air Quality Control Region
- § 81.235 Southern West Virginia Intrastate Air Quality Control Region
- § 81.236 Central Georgia Intrastate Air Quality Control Region
- § 81.237 Northeast Georgia Intrastate Air Quality Control Region
- § 81.238 Southwest Georgia Intrastate Air Quality Control Region
- § 81.239 Upper Rio Grande Valley Intrastate Air Quality Control Region
- § 81.240 Northeastern Plains Intrastate Air Quality Control Region
- § 81.241 Southwestern Mountains-augustine Plains Intrastate Air Quality Control Region
- § 81.242 Pecos-permian Basin Intrastate Air Quality Control Region
- § 81.243 Central Minnesota Intrastate Air Quality Control Region
- § 81.244 Northwest Minnesota Intrastate Air Quality Control Region
- § 81.245 Southwest Minnesota Intrastate Air Quality Control Region
- § 81.246 Northern Alaska Intrastate Air Quality Control Region
- § 81.247 South Central Alaska Intrastate Air Quality Control Region
- § 81.248 Southeastern Alaska Intrastate Air Quality Control Region
- § 81.249 Northwest Oregon Intrastate Air Quality Control Region
- § 81.250 North Central Kansas Intrastate Air Quality Control Region
- § 81.251 Northeast Kansas Intrastate Air Quality Control Region
- § 81.252 Northwest Kansas Intrastate Air Quality Control Region
- § 81.253 South Central Kansas Intrastate Air Quality Control Region
- § 81.254 Southeast Kansas Intrastate Air Quality Control Region
- § 81.255 Southwest Kansas Intrastate Air Quality Control Region
- § 81.256 Northeast Iowa Intrastate Air Quality Control Region
- § 81.257 North Central Iowa Intrastate Air Quality Control Region
- § 81.258 Northwest Iowa Intrastate Air Quality Control Region
- § 81.259 Southwest Iowa Intrastate Air Quality Control Region
- § 81.260 South Central Iowa Intrastate Air Quality Control Region
- § 81.261 Southeast Iowa Intrastate Air Quality Control Region
- § 81.262 North Central Illinois Intrastate Air Quality Control Region
- § 81.263 East Central Illinois Intrastate Air Quality Control Region
- § 81.264 West Central Illinois Intrastate Air Quality Control Region
- § 81.265 Southeast Illinois Intrastate Air Quality Control Region
- § 81.266 Alabama And Tombigbee Rivers Intrastate Air Quality Control Region
- § 81.267 Southeast Alabama Intrastate Air Quality Control Region
- § 81.268 Mohave-yuma Intrastate Air Quality Control Region
- § 81.269 Pima Intrastate Air Quality Control Region
- § 81.270 Northern Arizona Intrastate Air Quality Control Region
- § 81.271 Central Arizona Intrastate Air Quality Control Region
- § 81.272 Southeast Arizona Intrastate Air Quality Control Region
- § 81.273 Lake County Intrastate Air Quality Control Region
- § 81.274 Mountain Counties Intrastate Air Quality Control Region
- § 81.275 Lake Tahoe Intrastate Air Quality Control Region
- § 81.276 Nevada Intrastate Air Quality Control Region