Title 40

Volume 20 CHAPTER I SUBCHAP C

Subchapter C - Air Programs (continued)

40:20.0.1.1.1PART 81
PART 81 - DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
40:20.0.1.1.1.1SUBPART A
Subpart A - Meaning of Terms
40:20.0.1.1.1.1.1.1SECTION 81.1
     81.1 Definitions.
40:20.0.1.1.1.2SUBPART B
Subpart B - Designation of Air Quality Control Regions
40:20.0.1.1.1.2.1.1SECTION 81.11
     81.11 Scope.
40:20.0.1.1.1.2.1.2SECTION 81.12
     81.12 National Capital Interstate Air Quality Control Region (District of Columbia, Maryland, and Virginia).
40:20.0.1.1.1.2.1.3SECTION 81.13
     81.13 New Jersey-New York-Connecticut Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.4SECTION 81.14
     81.14 Metropolitan Chicago Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.5SECTION 81.15
     81.15 Metropolitan Philadelphia Interstate Air Quality Control Region (Pennsylvania-New Jersey-Delaware).
40:20.0.1.1.1.2.1.6SECTION 81.16
     81.16 Metropolitan Denver Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.7SECTION 81.17
     81.17 Metropolitan Los Angeles Air Quality Control Region.
40:20.0.1.1.1.2.1.8SECTION 81.18
     81.18 Metropolitan St. Louis Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.9SECTION 81.19
     81.19 Metropolitan Boston Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.10SECTION 81.20
     81.20 Metropolitan Cincinnati Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.11SECTION 81.21
     81.21 San Francisco Bay Area Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.12SECTION 81.22
     81.22 Greater Metropolitan Cleveland Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.13SECTION 81.23
     81.23 Southwest Pennsylvania Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.14SECTION 81.24
     81.24 Niagara Frontier Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.15SECTION 81.25
     81.25 Metropolitan Kansas City Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.16SECTION 81.26
     81.26 Hartford-New Haven-Springfield Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.17SECTION 81.27
     81.27 Minneapolis-St. Paul Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.18SECTION 81.28
     81.28 Metropolitan Baltimore Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.19SECTION 81.29
     81.29 Metropolitan Indianapolis Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.20SECTION 81.30
     81.30 Southeastern Wisconsin Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.21SECTION 81.31
     81.31 Metropolitan Providence Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.22SECTION 81.32
     81.32 Puget Sound Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.23SECTION 81.33
     81.33 Steubenville-Weirton-Wheeling Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.24SECTION 81.34
     81.34 Metropolitan Dayton Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.25SECTION 81.35
     81.35 Louisville Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.26SECTION 81.36
     81.36 Maricopa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.27SECTION 81.37
     81.37 Metropolitan Detroit-Port Huron Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.28SECTION 81.38
     81.38 Metropolitan Houston-Galveston Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.29SECTION 81.39
     81.39 Metropolitan Dallas-Fort Worth Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.30SECTION 81.40
     81.40 Metropolitan San Antonio Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.31SECTION 81.41
     81.41 Metropolitan Birmingham Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.32SECTION 81.42
     81.42 Chattanooga Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.33SECTION 81.43
     81.43 Metropolitan Toledo Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.34SECTION 81.44
     81.44 Metropolitan Memphis Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.35SECTION 81.45
     81.45 Metropolitan Atlanta Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.36SECTION 81.46
     81.46 U.S. Virgin Islands Air Quality Control Region.
40:20.0.1.1.1.2.1.37SECTION 81.47
     81.47 Central Oklahoma Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.38SECTION 81.48
     81.48 Champlain Valley Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.39SECTION 81.49
     81.49 Southeast Florida Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.40SECTION 81.50
     81.50 Metropolitan Omaha-Council Bluffs Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.41SECTION 81.51
     81.51 Portland Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.42SECTION 81.52
     81.52 Wasatch Front Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.43SECTION 81.53
     81.53 Southern Louisiana-Southeast Texas Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.44SECTION 81.54
     81.54 Cook Inlet Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.45SECTION 81.55
     81.55 Northeast Pennsylvania-Upper Delaware Valley Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.46SECTION 81.57
     81.57 Eastern Tennessee-Southwestern Virginia Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.47SECTION 81.58
     81.58 Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.48SECTION 81.59
     81.59 Cumberland-Keyser Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.49SECTION 81.60
     81.60 Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.50SECTION 81.61
     81.61 Evansville (Indiana)-Owensboro-Henderson (Kentucky) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.51SECTION 81.62
     81.62 Northeast Mississippi Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.52SECTION 81.63
     81.63 Metropolitan Fort Smith Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.53SECTION 81.64
     81.64 Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.54SECTION 81.65
     81.65 Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.55SECTION 81.66
     81.66 Southeast Minnesota-La Crosse (Wisconsin) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.56SECTION 81.67
     81.67 Lake Michigan Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.57SECTION 81.68
     81.68 Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.58SECTION 81.69
     81.69 Paducah (Kentucky)-Cairo (Illinois) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.59SECTION 81.70
     81.70 Parkersburg (West Virginia)-Marietta (Ohio) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.60SECTION 81.71
     81.71 Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.61SECTION 81.72
     81.72 Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.62SECTION 81.73
     81.73 South Bend-Elkhart (Indiana)-Benton Harbor (Michigan) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.63SECTION 81.74
     81.74 Northwest Pennsylvania-Youngstown Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.64SECTION 81.75
     81.75 Metropolitan Charlotte Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.65SECTION 81.76
     81.76 State of Hawaii Air Quality Control Region.
40:20.0.1.1.1.2.1.66SECTION 81.77
     81.77 Puerto Rico Air Quality Control Region.
40:20.0.1.1.1.2.1.67SECTION 81.78
     81.78 Metropolitan Portland Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.68SECTION 81.79
     81.79 Northeastern Oklahoma Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.69SECTION 81.80
     81.80 Las Vegas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.70SECTION 81.81
     81.81 Merrimack Valley-Southern New Hampshire Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.71SECTION 81.82
     81.82 El Paso-Las Cruces-Alamogordo Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.72SECTION 81.83
     81.83 Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.73SECTION 81.84
     81.84 Metropolitan Fargo-Moorhead Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.74SECTION 81.85
     81.85 Metropolitan Sioux Falls Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.75SECTION 81.86
     81.86 Metropolitan Sioux City Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.76SECTION 81.87
     81.87 Metropolitan Boise Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.77SECTION 81.88
     81.88 Billings Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.78SECTION 81.89
     81.89 Metropolitan Cheyenne Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.79SECTION 81.90
     81.90 Androscoggin Valley Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.80SECTION 81.91
     81.91 Jacksonville (Florida)-Brunswick (Georgia) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.81SECTION 81.92
     81.92 Monroe (Louisiana) - El Dorado (Arkansas) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.82SECTION 81.93
     81.93 Hampton Roads Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.83SECTION 81.94
     81.94 Shreveport-Texarkana-Tyler Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.84SECTION 81.95
     81.95 Central Florida Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.85SECTION 81.96
     81.96 West Central Florida Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.86SECTION 81.97
     81.97 Southwest Florida Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.87SECTION 81.98
     81.98 Burlington-Keokuk Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.88SECTION 81.99
     81.99 New Mexico Southern Border Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.89SECTION 81.100
     81.100 Eastern Washington-Northern Idaho Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.90SECTION 81.101
     81.101 Metropolitan Dubuque Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.91SECTION 81.102
     81.102 Metropolitan Quad Cities Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.92SECTION 81.104
     81.104 Central Pennsylvania Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.93SECTION 81.105
     81.105 South Central Pennsylvania Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.94SECTION 81.106
     81.106 Greenville-Spartanburg Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.95SECTION 81.107
     81.107 Greenwood Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.96SECTION 81.108
     81.108 Columbia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.97SECTION 81.109
     81.109 Florence Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.98SECTION 81.110
     81.110 Camden-Sumter Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.99SECTION 81.111
     81.111 Georgetown Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.100SECTION 81.112
     81.112 Charleston Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.101SECTION 81.113
     81.113 Savannah (Georgia)-Beaufort (South Carolina) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.102SECTION 81.114
     81.114 Augusta (Georgia)-Aiken (South Carolina) Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.103SECTION 81.115
     81.115 Northwest Nevada Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.104SECTION 81.116
     81.116 Northern Missouri Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.105SECTION 81.117
     81.117 Southeast Missouri Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.106SECTION 81.118
     81.118 Southwest Missouri Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.107SECTION 81.119
     81.119 Western Tennessee Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.108SECTION 81.120
     81.120 Middle Tennessee Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.109SECTION 81.121
     81.121 Four Corners Interstate Air Quality Control Region.
40:20.0.1.1.1.2.1.110SECTION 81.122
     81.122 Mississippi Delta Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.111SECTION 81.123
     81.123 Southeastern Oklahoma Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.112SECTION 81.124
     81.124 North Central Oklahoma Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.113SECTION 81.125
     81.125 Southwestern Oklahoma Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.114SECTION 81.126
     81.126 Northwestern Oklahoma Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.115SECTION 81.127
     81.127 Central New York Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.116SECTION 81.128
     81.128 Genesee-Finger Lakes Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.117SECTION 81.129
     81.129 Hudson Valley Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.118SECTION 81.130
     81.130 Southern Tier East Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.119SECTION 81.131
     81.131 Southern Tier West Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.120SECTION 81.132
     81.132 Abilene-Wichita Falls Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.121SECTION 81.133
     81.133 Amarillo-Lubbock Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.122SECTION 81.134
     81.134 Austin-Waco Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.123SECTION 81.135
     81.135 Brownsville-Laredo Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.124SECTION 81.136
     81.136 Corpus Christi-Victoria Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.125SECTION 81.137
     81.137 Midland-Odessa-San Angelo Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.126SECTION 81.138
     81.138 Central Arkansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.127SECTION 81.139
     81.139 Northeast Arkansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.128SECTION 81.140
     81.140 Northwest Arkansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.129SECTION 81.141
     81.141 Berkshire Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.130SECTION 81.142
     81.142 Central Massachusetts Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.131SECTION 81.143
     81.143 Central Virginia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.132SECTION 81.144
     81.144 Northeastern Virginia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.133SECTION 81.145
     81.145 State Capital Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.134SECTION 81.146
     81.146 Valley of Virginia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.135SECTION 81.147
     81.147 Eastern Mountain Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.136SECTION 81.148
     81.148 Eastern Piedmont Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.137SECTION 81.149
     81.149 Northern Coastal Plain Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.138SECTION 81.150
     81.150 Northern Piedmont Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.139SECTION 81.151
     81.151 Sandhills Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.140SECTION 81.152
     81.152 Southern Coastal Plain Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.141SECTION 81.153
     81.153 Western Mountain Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.142SECTION 81.154
     81.154 Eastern Shore Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.143SECTION 81.155
     81.155 Central Maryland Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.144SECTION 81.156
     81.156 Southern Maryland Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.145SECTION 81.157
     81.157 North Central Wisconsin Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.146SECTION 81.158
     81.158 Southern Wisconsin Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.147SECTION 81.159
     81.159 Great Basin Valley Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.148SECTION 81.160
     81.160 North Central Coast Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.149SECTION 81.161
     81.161 North Coast Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.150SECTION 81.162
     81.162 Northeast Plateau Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.151SECTION 81.163
     81.163 Sacramento Valley Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.152SECTION 81.164
     81.164 San Diego Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.153SECTION 81.165
     81.165 San Joaquin Valley Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.154SECTION 81.166
     81.166 South Central Coast Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.155SECTION 81.167
     81.167 Southeast Desert Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.156SECTION 81.168
     81.168 Great Falls Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.157SECTION 81.169
     81.169 Helena Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.158SECTION 81.170
     81.170 Miles City Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.159SECTION 81.171
     81.171 Missoula Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.160SECTION 81.172
     81.172 Comanche Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.161SECTION 81.173
     81.173 Grand Mesa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.162SECTION 81.174
     81.174 Pawnee Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.163SECTION 81.175
     81.175 San Isabel Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.164SECTION 81.176
     81.176 San Luis Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.165SECTION 81.177
     81.177 Yampa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.166SECTION 81.178
     81.178 Southern Delaware Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.167SECTION 81.179
     81.179 Aroostook Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.168SECTION 81.181
     81.181 Down East Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.169SECTION 81.182
     81.182 Northwest Maine Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.170SECTION 81.183
     81.183 Eastern Connecticut Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.171SECTION 81.184
     81.184 Northwestern Connecticut Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.172SECTION 81.185
     81.185 Northern Washington Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.173SECTION 81.187
     81.187 Olympic-Northwest Washington Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.174SECTION 81.189
     81.189 South Central Washington Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.175SECTION 81.190
     81.190 Eastern Idaho Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.176SECTION 81.191
     81.191 Appalachian Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.177SECTION 81.192
     81.192 Bluegrass Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.178SECTION 81.193
     81.193 North Central Kentucky Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.179SECTION 81.194
     81.194 South Central Kentucky Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.180SECTION 81.195
     81.195 Central Michigan Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.181SECTION 81.196
     81.196 South Central Michigan Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.182SECTION 81.197
     81.197 Upper Michigan Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.183SECTION 81.199
     81.199 East Alabama Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.184SECTION 81.200
     81.200 Metropolitan Columbus Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.185SECTION 81.201
     81.201 Mansfield-Marion Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.186SECTION 81.202
     81.202 Northwest Ohio Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.187SECTION 81.203
     81.203 Sandusky Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.188SECTION 81.204
     81.204 Wilmington-Chillicothe-Logan Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.189SECTION 81.205
     81.205 Zanesville-Cambridge Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.190SECTION 81.213
     81.213 Casper Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.191SECTION 81.214
     81.214 Black Hills-Rapid City Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.192SECTION 81.215
     81.215 East Central Indiana Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.193SECTION 81.216
     81.216 Northeast Indiana Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.194SECTION 81.217
     81.217 Southern Indiana Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.195SECTION 81.218
     81.218 Wabash Valley Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.196SECTION 81.219
     81.219 Central Oregon Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.197SECTION 81.220
     81.220 Eastern Oregon Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.198SECTION 81.221
     81.221 Southwest Oregon Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.199SECTION 81.226
     81.226 Lincoln-Beatrice-Fairbury Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.200SECTION 81.230
     81.230 Allegheny Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.201SECTION 81.231
     81.231 Central West Virginia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.202SECTION 81.232
     81.232 Eastern Panhandle Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.203SECTION 81.233
     81.233 Kanawha Valley Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.204SECTION 81.234
     81.234 North Central West Virginia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.205SECTION 81.235
     81.235 Southern West Virginia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.206SECTION 81.236
     81.236 Central Georgia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.207SECTION 81.237
     81.237 Northeast Georgia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.208SECTION 81.238
     81.238 Southwest Georgia Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.209SECTION 81.239
     81.239 Upper Rio Grande Valley Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.210SECTION 81.240
     81.240 Northeastern Plains Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.211SECTION 81.241
     81.241 Southwestern Mountains-Augustine Plains Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.212SECTION 81.242
     81.242 Pecos-Permian Basin Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.213SECTION 81.243
     81.243 Central Minnesota Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.214SECTION 81.244
     81.244 Northwest Minnesota Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.215SECTION 81.245
     81.245 Southwest Minnesota Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.216SECTION 81.246
     81.246 Northern Alaska Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.217SECTION 81.247
     81.247 South Central Alaska Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.218SECTION 81.248
     81.248 Southeastern Alaska Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.219SECTION 81.249
     81.249 Northwest Oregon Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.220SECTION 81.250
     81.250 North Central Kansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.221SECTION 81.251
     81.251 Northeast Kansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.222SECTION 81.252
     81.252 Northwest Kansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.223SECTION 81.253
     81.253 South Central Kansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.224SECTION 81.254
     81.254 Southeast Kansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.225SECTION 81.255
     81.255 Southwest Kansas Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.226SECTION 81.256
     81.256 Northeast Iowa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.227SECTION 81.257
     81.257 North Central Iowa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.228SECTION 81.258
     81.258 Northwest Iowa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.229SECTION 81.259
     81.259 Southwest Iowa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.230SECTION 81.260
     81.260 South Central Iowa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.231SECTION 81.261
     81.261 Southeast Iowa Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.232SECTION 81.262
     81.262 North Central Illinois Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.233SECTION 81.263
     81.263 East Central Illinois Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.234SECTION 81.264
     81.264 West Central Illinois Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.235SECTION 81.265
     81.265 Southeast Illinois Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.236SECTION 81.266
     81.266 Alabama and Tombigbee Rivers Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.237SECTION 81.267
     81.267 Southeast Alabama Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.238SECTION 81.268
     81.268 Mohave-Yuma Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.239SECTION 81.269
     81.269 Pima Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.240SECTION 81.270
     81.270 Northern Arizona Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.241SECTION 81.271
     81.271 Central Arizona Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.242SECTION 81.272
     81.272 Southeast Arizona Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.243SECTION 81.273
     81.273 Lake County Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.244SECTION 81.274
     81.274 Mountain Counties Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.245SECTION 81.275
     81.275 Lake Tahoe Intrastate Air Quality Control Region.
40:20.0.1.1.1.2.1.246SECTION 81.276
     81.276 Nevada Intrastate Air Quality Control Region.
40:20.0.1.1.1.3SUBPART C
Subpart C - Section 107 Attainment Status Designations
40:20.0.1.1.1.3.1.1SECTION 81.300
     81.300 Scope.
40:20.0.1.1.1.3.1.2SECTION 81.301
     81.301 Alabama.
40:20.0.1.1.1.3.1.3SECTION 81.302
     81.302 Alaska.
40:20.0.1.1.1.3.1.4SECTION 81.303
     81.303 Arizona.
40:20.0.1.1.1.3.1.5SECTION 81.304
     81.304 Arkansas.
40:20.0.1.1.1.3.1.6SECTION 81.305
     81.305 California.
40:20.0.1.1.1.3.1.7SECTION 81.306
     81.306 Colorado.
40:20.0.1.1.1.3.1.8SECTION 81.307
     81.307 Connecticut.
40:20.0.1.1.1.3.1.9SECTION 81.308
     81.308 Delaware.
40:20.0.1.1.1.3.1.10SECTION 81.309
     81.309 District of Columbia.
40:20.0.1.1.1.3.1.11SECTION 81.310
     81.310 Florida.
40:20.0.1.1.1.3.1.12SECTION 81.311
     81.311 Georgia.
40:20.0.1.1.1.3.1.13SECTION 81.312
     81.312 Hawaii.
40:20.0.1.1.1.3.1.14SECTION 81.313
     81.313 Idaho.
40:20.0.1.1.1.3.1.15SECTION 81.314
     81.314 Illinois.
40:20.0.1.1.1.3.1.16SECTION 81.315
     81.315 Indiana.
40:20.0.1.1.1.3.1.17SECTION 81.316
     81.316 Iowa.
40:20.0.1.1.1.3.1.18SECTION 81.317
     81.317 Kansas.
40:20.0.1.1.1.3.1.19SECTION 81.318
     81.318 Kentucky.
40:20.0.1.1.1.3.1.20SECTION 81.319
     81.319 Louisiana.
40:20.0.1.1.1.3.1.21SECTION 81.320
     81.320 Maine.
40:20.0.1.1.1.3.1.22SECTION 81.321
     81.321 Maryland.
40:20.0.1.1.1.3.1.23SECTION 81.322
     81.322 Massachusetts.
40:20.0.1.1.1.3.1.24SECTION 81.323
     81.323 Michigan.
40:20.0.1.1.1.3.1.25SECTION 81.324
     81.324 Minnesota.
40:20.0.1.1.1.3.1.26SECTION 81.325
     81.325 Mississippi.
40:20.0.1.1.1.3.1.27SECTION 81.326
     81.326 Missouri.
40:20.0.1.1.1.3.1.28SECTION 81.327
     81.327 Montana.
40:20.0.1.1.1.3.1.29SECTION 81.328
     81.328 Nebraska.
40:20.0.1.1.1.3.1.30SECTION 81.329
     81.329 Nevada.
40:20.0.1.1.1.3.1.31SECTION 81.330
     81.330 New Hampshire.
40:20.0.1.1.1.3.1.32SECTION 81.331
     81.331 New Jersey.
40:20.0.1.1.1.3.1.33SECTION 81.332
     81.332 New Mexico.
40:20.0.1.1.1.3.1.34SECTION 81.333
     81.333 New York.
40:20.0.1.1.1.3.1.35SECTION 81.334
     81.334 North Carolina.
40:20.0.1.1.1.3.1.36SECTION 81.335
     81.335 North Dakota.
40:20.0.1.1.1.3.1.37SECTION 81.336
     81.336 Ohio.
40:20.0.1.1.1.3.1.38SECTION 81.337
     81.337 Oklahoma.
40:20.0.1.1.1.3.1.39SECTION 81.338
     81.338 Oregon.
40:20.0.1.1.1.3.1.40SECTION 81.339
     81.339 Pennsylvania.
40:20.0.1.1.1.3.1.41SECTION 81.340
     81.340 Rhode Island.
40:20.0.1.1.1.3.1.42SECTION 81.341
     81.341 South Carolina.
40:20.0.1.1.1.3.1.44SECTION 81.342
     81.342 South Dakota.
40:20.0.1.1.1.3.1.45SECTION 81.343
     81.343 Tennessee.
40:20.0.1.1.1.3.1.46SECTION 81.344
     81.344 Texas.
40:20.0.1.1.1.3.1.47SECTION 81.345
     81.345 Utah.
40:20.0.1.1.1.3.1.48SECTION 81.346
     81.346 Vermont.
40:20.0.1.1.1.3.1.49SECTION 81.347
     81.347 Virginia.
40:20.0.1.1.1.3.1.50SECTION 81.348
     81.348 Washington.
40:20.0.1.1.1.3.1.51SECTION 81.349
     81.349 West Virginia.
40:20.0.1.1.1.3.1.52SECTION 81.350
     81.350 Wisconsin.
40:20.0.1.1.1.3.1.53SECTION 81.351
     81.351 Wyoming.
40:20.0.1.1.1.3.1.54SECTION 81.352
     81.352 American Samoa.
40:20.0.1.1.1.3.1.55SECTION 81.353
     81.353 Guam.
40:20.0.1.1.1.3.1.56SECTION 81.354
     81.354 Northern Mariana Islands.
40:20.0.1.1.1.3.1.57SECTION 81.355
     81.355 Puerto Rico.
40:20.0.1.1.1.3.1.58SECTION 81.356
     81.356 Virgin Islands.
40:20.0.1.1.1.4SUBPART D
Subpart D - Identification of Mandatory Class I Federal Areas Where Visibility Is an Important Value
40:20.0.1.1.1.4.1.1SECTION 81.400
     81.400 Scope.
40:20.0.1.1.1.4.1.2SECTION 81.401
     81.401 Alabama.
40:20.0.1.1.1.4.1.3SECTION 81.402
     81.402 Alaska.
40:20.0.1.1.1.4.1.4SECTION 81.403
     81.403 Arizona.
40:20.0.1.1.1.4.1.5SECTION 81.404
     81.404 Arkansas.
40:20.0.1.1.1.4.1.6SECTION 81.405
     81.405 California.
40:20.0.1.1.1.4.1.7SECTION 81.406
     81.406 Colorado.
40:20.0.1.1.1.4.1.8SECTION 81.407
     81.407 Florida.
40:20.0.1.1.1.4.1.9SECTION 81.408
     81.408 Georgia.
40:20.0.1.1.1.4.1.10SECTION 81.409
     81.409 Hawaii.
40:20.0.1.1.1.4.1.11SECTION 81.410
     81.410 Idaho.
40:20.0.1.1.1.4.1.12SECTION 81.411
     81.411 Kentucky.
40:20.0.1.1.1.4.1.13SECTION 81.412
     81.412 Louisiana.
40:20.0.1.1.1.4.1.14SECTION 81.413
     81.413 Maine.
40:20.0.1.1.1.4.1.15SECTION 81.414
     81.414 Michigan.
40:20.0.1.1.1.4.1.16SECTION 81.415
     81.415 Minnesota.
40:20.0.1.1.1.4.1.17SECTION 81.416
     81.416 Missouri.
40:20.0.1.1.1.4.1.18SECTION 81.417
     81.417 Montana.
40:20.0.1.1.1.4.1.19SECTION 81.418
     81.418 Nevada.
40:20.0.1.1.1.4.1.20SECTION 81.419
     81.419 New Hampshire.
40:20.0.1.1.1.4.1.21SECTION 81.420
     81.420 New Jersey.
40:20.0.1.1.1.4.1.22SECTION 81.421
     81.421 New Mexico.
40:20.0.1.1.1.4.1.23SECTION 81.422
     81.422 North Carolina.
40:20.0.1.1.1.4.1.24SECTION 81.423
     81.423 North Dakota.
40:20.0.1.1.1.4.1.25SECTION 81.424
     81.424 Oklahoma.
40:20.0.1.1.1.4.1.26SECTION 81.425
     81.425 Oregon.
40:20.0.1.1.1.4.1.27SECTION 81.426
     81.426 South Carolina.
40:20.0.1.1.1.4.1.28SECTION 81.427
     81.427 South Dakota.
40:20.0.1.1.1.4.1.29SECTION 81.428
     81.428 Tennessee.
40:20.0.1.1.1.4.1.30SECTION 81.429
     81.429 Texas.
40:20.0.1.1.1.4.1.31SECTION 81.430
     81.430 Utah.
40:20.0.1.1.1.4.1.32SECTION 81.431
     81.431 Vermont.
40:20.0.1.1.1.4.1.33SECTION 81.432
     81.432 Virgin Islands.
40:20.0.1.1.1.4.1.34SECTION 81.433
     81.433 Virginia.
40:20.0.1.1.1.4.1.35SECTION 81.434
     81.434 Washington.
40:20.0.1.1.1.4.1.36SECTION 81.435
     81.435 West Virginia.
40:20.0.1.1.1.4.1.37SECTION 81.436
     81.436 Wyoming.
40:20.0.1.1.1.4.1.38SECTION 81.437
     81.437 New Brunswick, Canada.
40:20.0.1.1.1.4.1.39.1APPENDIX Appendix A
  Appendix A to Part 81 - Air Quality Control Regions (AQCR's)