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Electronic Code of Federal Regulations

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e-CFR Data is current as of August 26, 2014

Title 40Chapter ISubchapter CPart 81


TITLE 40—Protection of Environment

CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

SUBCHAPTER C—AIR PROGRAMS (CONTINUED)

PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES

rule

Subpart A—MEANING OF TERMS

§81.1
Definitions.
rule

Subpart B—DESIGNATION OF AIR QUALITY CONTROL REGIONS

§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.
rule

Subpart C—SECTION 107 ATTAINMENT STATUS DESIGNATIONS

§81.300
Scope.
§81.301
Alabama.
§81.302
Alaska.
§81.303
Arizona.
§81.304
Arkansas.
§81.305
California.
§81.306
Colorado.
§81.307
Connecticut.
§81.308
Delaware.
§81.309
District of Columbia.
§81.310
Florida.
§81.311
Georgia.
§81.312
Hawaii.
§81.313
Idaho.
§81.314
Illinois.
§81.315
Indiana.
§81.316
Iowa.
§81.317
Kansas.
§81.318
Kentucky.
§81.319
Louisiana.
§81.320
Maine.
§81.321
Maryland.
§81.322
Massachusetts.
§81.323
Michigan.
§81.324
Minnesota.
§81.324
Minnesota.
§81.325
Mississippi.
§81.326
Missouri.
§81.327
Montana.
§81.328
Nebraska.
§81.329
Nevada.
§81.330
New Hampshire.
§81.331
New Jersey.
§81.332
New Mexico.
§81.333
New York.
§81.334
North Carolina.
§81.335
North Dakota.
§81.336
Ohio.
§81.337
Oklahoma.
§81.338
Oregon.
§81.339
Pennsylvania.
§81.340
Rhode Island.
§81.341
South Carolina.
§81.342
South Dakota.
§81.343
Tennessee.
§81.344
Texas.
§81.345
Utah.
§81.346
Vermont.
§81.347
Virginia.
§81.348
Washington.
§81.349
West Virginia.
§81.350
Wisconsin.
§81.351
Wyoming.
§81.352
American Samoa.
§81.353
Guam.
§81.354
Northern Mariana Islands.
§81.355
Puerto Rico.
§81.356
Virgin Islands.
rule

Subpart D—IDENTIFICATION OF MANDATORY CLASS I FEDERAL AREAS WHERE VISIBILITY IS AN IMPORTANT VALUE

§81.400
Scope.
§81.401
Alabama.
§81.402
Alaska.
§81.403
Arizona.
§81.404
Arkansas.
§81.405
California.
§81.406
Colorado.
§81.407
Florida.
§81.408
Georgia.
§81.409
Hawaii.
§81.410
Idaho.
§81.411
Kentucky.
§81.412
Louisiana.
§81.413
Maine.
§81.414
Michigan.
§81.415
Minnesota.
§81.416
Missouri.
§81.417
Montana.
§81.418
Nevada.
§81.419
New Hampshire.
§81.420
New Jersey.
§81.421
New Mexico.
§81.422
North Carolina.
§81.423
North Dakota.
§81.424
Oklahoma.
§81.425
Oregon.
§81.426
South Carolina.
§81.427
South Dakota.
§81.428
Tennessee.
§81.429
Texas.
§81.430
Utah.
§81.431
Vermont.
§81.432
Virgin Islands.
§81.433
Virginia.
§81.434
Washington.
§81.435
West Virginia.
§81.436
Wyoming.
§81.437
New Brunswick, Canada.
Appendix
Appendix A to Part 81—Air Quality Control Regions (AQCR's)


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