40 CFR Subpart B - Subpart B—Designation of Air Quality Control Regions

  1. § 81.11 Scope.
  2. § 81.12 National Capital Interstate Air Quality Control Region (District of Columbia, Maryland, and Virginia).
  3. § 81.13 New Jersey-New York-Connecticut Interstate Air Quality Control Region.
  4. § 81.14 Metropolitan Chicago Interstate Air Quality Control Region.
  5. § 81.15 Metropolitan Philadelphia Interstate Air Quality Control Region (Pennsylvania-New Jersey-Delaware).
  6. § 81.16 Metropolitan Denver Intrastate Air Quality Control Region.
  7. § 81.17 Metropolitan Los Angeles Air Quality Control Region.
  8. § 81.18 Metropolitan St. Louis Interstate Air Quality Control Region.
  9. § 81.19 Metropolitan Boston Intrastate Air Quality Control Region.
  10. § 81.20 Metropolitan Cincinnati Interstate Air Quality Control Region.
  11. § 81.21 San Francisco Bay Area Intrastate Air Quality Control Region.
  12. § 81.22 Greater Metropolitan Cleveland Intrastate Air Quality Control Region.
  13. § 81.23 Southwest Pennsylvania Intrastate Air Quality Control Region.
  14. § 81.24 Niagara Frontier Intrastate Air Quality Control Region.
  15. § 81.25 Metropolitan Kansas City Interstate Air Quality Control Region.
  16. § 81.26 Hartford-New Haven-Springfield Interstate Air Quality Control Region.
  17. § 81.27 Minneapolis-St. Paul Intrastate Air Quality Control Region.
  18. § 81.28 Metropolitan Baltimore Intrastate Air Quality Control Region.
  19. § 81.29 Metropolitan Indianapolis Intrastate Air Quality Control Region.
  20. § 81.30 Southeastern Wisconsin Intrastate Air Quality Control Region.
  21. § 81.31 Metropolitan Providence Interstate Air Quality Control Region.
  22. § 81.32 Puget Sound Intrastate Air Quality Control Region.
  23. § 81.33 Steubenville-Weirton-Wheeling Interstate Air Quality Control Region.
  24. § 81.34 Metropolitan Dayton Intrastate Air Quality Control Region.
  25. § 81.35 Louisville Interstate Air Quality Control Region.
  26. § 81.36 Maricopa Intrastate Air Quality Control Region.
  27. § 81.37 Metropolitan Detroit-Port Huron Intrastate Air Quality Control Region.
  28. § 81.38 Metropolitan Houston-Galveston Intrastate Air Quality Control Region.
  29. § 81.39 Metropolitan Dallas-Fort Worth Intrastate Air Quality Control Region.
  30. § 81.40 Metropolitan San Antonio Intrastate Air Quality Control Region.
  31. § 81.41 Metropolitan Birmingham Intrastate Air Quality Control Region.
  32. § 81.42 Chattanooga Interstate Air Quality Control Region.
  33. § 81.43 Metropolitan Toledo Interstate Air Quality Control Region.
  34. § 81.44 Metropolitan Memphis Interstate Air Quality Control Region.
  35. § 81.45 Metropolitan Atlanta Intrastate Air Quality Control Region.
  36. § 81.46 U.S. Virgin Islands Air Quality Control Region.
  37. § 81.47 Central Oklahoma Intrastate Air Quality Control Region.
  38. § 81.48 Champlain Valley Interstate Air Quality Control Region.
  39. § 81.49 Southeast Florida Intrastate Air Quality Control Region.
  40. § 81.50 Metropolitan Omaha-Council Bluffs Interstate Air Quality Control Region.
  41. § 81.51 Portland Interstate Air Quality Control Region.
  42. § 81.52 Wasatch Front Intrastate Air Quality Control Region.
  43. § 81.53 Southern Louisiana-Southeast Texas Interstate Air Quality Control Region.
  44. § 81.54 Cook Inlet Intrastate Air Quality Control Region.
  45. § 81.55 Northeast Pennsylvania-Upper Delaware Valley Interstate Air Quality Control Region.
  46. § 81.57 Eastern Tennessee-Southwestern Virginia Interstate Air Quality Control Region.
  47. § 81.58 Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region.
  48. § 81.59 Cumberland-Keyser Interstate Air Quality Control Region.
  49. § 81.60 Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region.
  50. § 81.61 Evansville (Indiana)-Owensboro-Henderson (Kentucky) Interstate Air Quality Control Region.
  51. § 81.62 Northeast Mississippi Intrastate Air Quality Control Region.
  52. § 81.63 Metropolitan Fort Smith Interstate Air Quality Control Region.
  53. § 81.64 Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate Air Quality Control Region.
  54. § 81.65 Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region.
  55. § 81.66 Southeast Minnesota-La Crosse (Wisconsin) Interstate Air Quality Control Region.
  56. § 81.67 Lake Michigan Intrastate Air Quality Control Region.
  57. § 81.68 Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate Air Quality Control Region.
  58. § 81.69 Paducah (Kentucky)-Cairo (Illinois) Interstate Air Quality Control Region.
  59. § 81.70 Parkersburg (West Virginia)-Marietta (Ohio) Interstate Air Quality Control Region.
  60. § 81.71 Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region.
  61. § 81.72 Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate Air Quality Control Region.
  62. § 81.73 South Bend-Elkhart (Indiana)-Benton Harbor (Michigan) Interstate Air Quality Control Region.
  63. § 81.74 Northwest Pennsylvania-Youngstown Interstate Air Quality Control Region.
  64. § 81.75 Metropolitan Charlotte Interstate Air Quality Control Region.
  65. § 81.76 State of Hawaii Air Quality Control Region.
  66. § 81.77 Puerto Rico Air Quality Control Region.
  67. § 81.78 Metropolitan Portland Intrastate Air Quality Control Region.
  68. § 81.79 Northeastern Oklahoma Intrastate Air Quality Control Region.
  69. § 81.80 Las Vegas Intrastate Air Quality Control Region.
  70. § 81.81 Merrimack Valley-Southern New Hampshire Interstate Air Quality Control Region.
  71. § 81.82 El Paso-Las Cruces-Alamogordo Interstate Air Quality Control Region.
  72. § 81.83 Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region.
  73. § 81.84 Metropolitan Fargo-Moorhead Interstate Air Quality Control Region.
  74. § 81.85 Metropolitan Sioux Falls Interstate Air Quality Control Region.
  75. § 81.86 Metropolitan Sioux City Interstate Air Quality Control Region.
  76. § 81.87 Metropolitan Boise Intrastate Air Quality Control Region.
  77. § 81.88 Billings Intrastate Air Quality Control Region.
  78. § 81.89 Metropolitan Cheyenne Intrastate Air Quality Control Region.
  79. § 81.90 Androscoggin Valley Interstate Air Quality Control Region.
  80. § 81.91 Jacksonville (Florida)-Brunswick (Georgia) Interstate Air Quality Control Region.
  81. § 81.92 Monroe (Louisiana)—El Dorado (Arkansas) Interstate Air Quality Control Region.
  82. § 81.93 Hampton Roads Intrastate Air Quality Control Region.
  83. § 81.94 Shreveport-Texarkana-Tyler Interstate Air Quality Control Region.
  84. § 81.95 Central Florida Intrastate Air Quality Control Region.
  85. § 81.96 West Central Florida Intrastate Air Quality Control Region.
  86. § 81.97 Southwest Florida Intrastate Air Quality Control Region.
  87. § 81.98 Burlington-Keokuk Interstate Air Quality Control Region.
  88. § 81.99 New Mexico Southern Border Intrastate Air Quality Control Region.
  89. § 81.100 Eastern Washington-Northern Idaho Interstate Air Quality Control Region.
  90. § 81.101 Metropolitan Dubuque Interstate Air Quality Control Region.
  91. § 81.102 Metropolitan Quad Cities Interstate Air Quality Control Region.
  92. § 81.104 Central Pennsylvania Intrastate Air Quality Control Region.
  93. § 81.105 South Central Pennsylvania Intrastate Air Quality Control Region.
  94. § 81.106 Greenville-Spartanburg Intrastate Air Quality Control Region.
  95. § 81.107 Greenwood Intrastate Air Quality Control Region.
  96. § 81.108 Columbia Intrastate Air Quality Control Region.
  97. § 81.109 Florence Intrastate Air Quality Control Region.
  98. § 81.110 Camden-Sumter Intrastate Air Quality Control Region.
  99. § 81.111 Georgetown Intrastate Air Quality Control Region.
  100. § 81.112 Charleston Intrastate Air Quality Control Region.
  101. § 81.113 Savannah (Georgia)-Beaufort (South Carolina) Interstate Air Quality Control Region.
  102. § 81.114 Augusta (Georgia)-Aiken (South Carolina) Interstate Air Quality Control Region.
  103. § 81.115 Northwest Nevada Intrastate Air Quality Control Region.
  104. § 81.116 Northern Missouri Intrastate Air Quality Control Region.
  105. § 81.117 Southeast Missouri Intrastate Air Quality Control Region.
  106. § 81.118 Southwest Missouri Intrastate Air Quality Control Region.
  107. § 81.119 Western Tennessee Intrastate Air Quality Control Region.
  108. § 81.120 Middle Tennessee Intrastate Air Quality Control Region.
  109. § 81.121 Four Corners Interstate Air Quality Control Region.
  110. § 81.122 Mississippi Delta Intrastate Air Quality Control Region.
  111. § 81.123 Southeastern Oklahoma Intrastate Air Quality Control Region.
  112. § 81.124 North Central Oklahoma Intrastate Air Quality Control Region.
  113. § 81.125 Southwestern Oklahoma Intrastate Air Quality Control Region.
  114. § 81.126 Northwestern Oklahoma Intrastate Air Quality Control Region.
  115. § 81.127 Central New York Intrastate Air Quality Control Region.
  116. § 81.128 Genesee-Finger Lakes Intrastate Air Quality Control Region.
  117. § 81.129 Hudson Valley Intrastate Air Quality Control Region.
  118. § 81.130 Southern Tier East Intrastate Air Quality Control Region.
  119. § 81.131 Southern Tier West Intrastate Air Quality Control Region.
  120. § 81.132 Abilene-Wichita Falls Intrastate Air Quality Control Region.
  121. § 81.133 Amarillo-Lubbock Intrastate Air Quality Control Region.
  122. § 81.134 Austin-Waco Intrastate Air Quality Control Region.
  123. § 81.135 Brownsville-Laredo Intrastate Air Quality Control Region.
  124. § 81.136 Corpus Christi-Victoria Intrastate Air Quality Control Region.
  125. § 81.137 Midland-Odessa-San Angelo Intrastate Air Quality Control Region.
  126. § 81.138 Central Arkansas Intrastate Air Quality Control Region.
  127. § 81.139 Northeast Arkansas Intrastate Air Quality Control Region.
  128. § 81.140 Northwest Arkansas Intrastate Air Quality Control Region.
  129. § 81.141 Berkshire Intrastate Air Quality Control Region.
  130. § 81.142 Central Massachusetts Intrastate Air Quality Control Region.
  131. § 81.143 Central Virginia Intrastate Air Quality Control Region.
  132. § 81.144 Northeastern Virginia Intrastate Air Quality Control Region.
  133. § 81.145 State Capital Intrastate Air Quality Control Region.
  134. § 81.146 Valley of Virginia Intrastate Air Quality Control Region.
  135. § 81.147 Eastern Mountain Intrastate Air Quality Control Region.
  136. § 81.148 Eastern Piedmont Intrastate Air Quality Control Region.
  137. § 81.149 Northern Coastal Plain Intrastate Air Quality Control Region.
  138. § 81.150 Northern Piedmont Intrastate Air Quality Control Region.
  139. § 81.151 Sandhills Intrastate Air Quality Control Region.
  140. § 81.152 Southern Coastal Plain Intrastate Air Quality Control Region.
  141. § 81.153 Western Mountain Intrastate Air Quality Control Region.
  142. § 81.154 Eastern Shore Intrastate Air Quality Control Region.
  143. § 81.155 Central Maryland Intrastate Air Quality Control Region.
  144. § 81.156 Southern Maryland Intrastate Air Quality Control Region.
  145. § 81.157 North Central Wisconsin Intrastate Air Quality Control Region.
  146. § 81.158 Southern Wisconsin Intrastate Air Quality Control Region.
  147. § 81.159 Great Basin Valley Intrastate Air Quality Control Region.
  148. § 81.160 North Central Coast Intrastate Air Quality Control Region.
  149. § 81.161 North Coast Intrastate Air Quality Control Region.
  150. § 81.162 Northeast Plateau Intrastate Air Quality Control Region.
  151. § 81.163 Sacramento Valley Intrastate Air Quality Control Region.
  152. § 81.164 San Diego Intrastate Air Quality Control Region.
  153. § 81.165 San Joaquin Valley Intrastate Air Quality Control Region.
  154. § 81.166 South Central Coast Intrastate Air Quality Control Region.
  155. § 81.167 Southeast Desert Intrastate Air Quality Control Region.
  156. § 81.168 Great Falls Intrastate Air Quality Control Region.
  157. § 81.169 Helena Intrastate Air Quality Control Region.
  158. § 81.170 Miles City Intrastate Air Quality Control Region.
  159. § 81.171 Missoula Intrastate Air Quality Control Region.
  160. § 81.172 Comanche Intrastate Air Quality Control Region.
  161. § 81.173 Grand Mesa Intrastate Air Quality Control Region.
  162. § 81.174 Pawnee Intrastate Air Quality Control Region.
  163. § 81.175 San Isabel Intrastate Air Quality Control Region.
  164. § 81.176 San Luis Intrastate Air Quality Control Region.
  165. § 81.177 Yampa Intrastate Air Quality Control Region.
  166. § 81.178 Southern Delaware Intrastate Air Quality Control Region.
  167. § 81.179 Aroostook Intrastate Air Quality Control Region.
  168. § 81.181 Down East Intrastate Air Quality Control Region.
  169. § 81.182 Northwest Maine Intrastate Air Quality Control Region.
  170. § 81.183 Eastern Connecticut Intrastate Air Quality Control Region.
  171. § 81.184 Northwestern Connecticut Intrastate Air Quality Control Region.
  172. § 81.185 Northern Washington Intrastate Air Quality Control Region.
  173. § 81.187 Olympic-Northwest Washington Intrastate Air Quality Control Region.
  174. § 81.189 South Central Washington Intrastate Air Quality Control Region.
  175. § 81.190 Eastern Idaho Intrastate Air Quality Control Region.
  176. § 81.191 Appalachian Intrastate Air Quality Control Region.
  177. § 81.192 Bluegrass Intrastate Air Quality Control Region.
  178. § 81.193 North Central Kentucky Intrastate Air Quality Control Region.
  179. § 81.194 South Central Kentucky Intrastate Air Quality Control Region.
  180. § 81.195 Central Michigan Intrastate Air Quality Control Region.
  181. § 81.196 South Central Michigan Intrastate Air Quality Control Region.
  182. § 81.197 Upper Michigan Intrastate Air Quality Control Region.
  183. § 81.199 East Alabama Intrastate Air Quality Control Region.
  184. § 81.200 Metropolitan Columbus Intrastate Air Quality Control Region.
  185. § 81.201 Mansfield-Marion Intrastate Air Quality Control Region.
  186. § 81.202 Northwest Ohio Intrastate Air Quality Control Region.
  187. § 81.203 Sandusky Intrastate Air Quality Control Region.
  188. § 81.204 Wilmington-Chillicothe-Logan Intrastate Air Quality Control Region.
  189. § 81.205 Zanesville-Cambridge Intrastate Air Quality Control Region.
  190. § 81.213 Casper Intrastate Air Quality Control Region.
  191. § 81.214 Black Hills-Rapid City Intrastate Air Quality Control Region.
  192. § 81.215 East Central Indiana Intrastate Air Quality Control Region.
  193. § 81.216 Northeast Indiana Intrastate Air Quality Control Region.
  194. § 81.217 Southern Indiana Intrastate Air Quality Control Region.
  195. § 81.218 Wabash Valley Intrastate Air Quality Control Region.
  196. § 81.219 Central Oregon Intrastate Air Quality Control Region.
  197. § 81.220 Eastern Oregon Intrastate Air Quality Control Region.
  198. § 81.221 Southwest Oregon Intrastate Air Quality Control Region.
  199. § 81.226 Lincoln-Beatrice-Fairbury Intrastate Air Quality Control Region.
  200. § 81.230 Allegheny Intrastate Air Quality Control Region.
  201. § 81.231 Central West Virginia Intrastate Air Quality Control Region.
  202. § 81.232 Eastern Panhandle Intrastate Air Quality Control Region.
  203. § 81.233 Kanawha Valley Intrastate Air Quality Control Region.
  204. § 81.234 North Central West Virginia Intrastate Air Quality Control Region.
  205. § 81.235 Southern West Virginia Intrastate Air Quality Control Region.
  206. § 81.236 Central Georgia Intrastate Air Quality Control Region.
  207. § 81.237 Northeast Georgia Intrastate Air Quality Control Region.
  208. § 81.238 Southwest Georgia Intrastate Air Quality Control Region.
  209. § 81.239 Upper Rio Grande Valley Intrastate Air Quality Control Region.
  210. § 81.240 Northeastern Plains Intrastate Air Quality Control Region.
  211. § 81.241 Southwestern Mountains-Augustine Plains Intrastate Air Quality Control Region.
  212. § 81.242 Pecos-Permian Basin Intrastate Air Quality Control Region.
  213. § 81.243 Central Minnesota Intrastate Air Quality Control Region.
  214. § 81.244 Northwest Minnesota Intrastate Air Quality Control Region.
  215. § 81.245 Southwest Minnesota Intrastate Air Quality Control Region.
  216. § 81.246 Northern Alaska Intrastate Air Quality Control Region.
  217. § 81.247 South Central Alaska Intrastate Air Quality Control Region.
  218. § 81.248 Southeastern Alaska Intrastate Air Quality Control Region.
  219. § 81.249 Northwest Oregon Intrastate Air Quality Control Region.
  220. § 81.250 North Central Kansas Intrastate Air Quality Control Region.
  221. § 81.251 Northeast Kansas Intrastate Air Quality Control Region.
  222. § 81.252 Northwest Kansas Intrastate Air Quality Control Region.
  223. § 81.253 South Central Kansas Intrastate Air Quality Control Region.
  224. § 81.254 Southeast Kansas Intrastate Air Quality Control Region.
  225. § 81.255 Southwest Kansas Intrastate Air Quality Control Region.
  226. § 81.256 Northeast Iowa Intrastate Air Quality Control Region.
  227. § 81.257 North Central Iowa Intrastate Air Quality Control Region.
  228. § 81.258 Northwest Iowa Intrastate Air Quality Control Region.
  229. § 81.259 Southwest Iowa Intrastate Air Quality Control Region.
  230. § 81.260 South Central Iowa Intrastate Air Quality Control Region.
  231. § 81.261 Southeast Iowa Intrastate Air Quality Control Region.
  232. § 81.262 North Central Illinois Intrastate Air Quality Control Region.
  233. § 81.263 East Central Illinois Intrastate Air Quality Control Region.
  234. § 81.264 West Central Illinois Intrastate Air Quality Control Region.
  235. § 81.265 Southeast Illinois Intrastate Air Quality Control Region.
  236. § 81.266 Alabama and Tombigbee Rivers Intrastate Air Quality Control Region.
  237. § 81.267 Southeast Alabama Intrastate Air Quality Control Region.
  238. § 81.268 Mohave-Yuma Intrastate Air Quality Control Region.
  239. § 81.269 Pima Intrastate Air Quality Control Region.
  240. § 81.270 Northern Arizona Intrastate Air Quality Control Region.
  241. § 81.271 Central Arizona Intrastate Air Quality Control Region.
  242. § 81.272 Southeast Arizona Intrastate Air Quality Control Region.
  243. § 81.273 Lake County Intrastate Air Quality Control Region.
  244. § 81.274 Mountain Counties Intrastate Air Quality Control Region.
  245. § 81.275 Lake Tahoe Intrastate Air Quality Control Region.
  246. § 81.276 Nevada Intrastate Air Quality Control Region.