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e-CFR Data is current as of November 3, 2008
TITLE 40--Protection of Environment
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C--AIR PROGRAMS
PART 81--DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart A--MEANING OF TERMS
Subpart B--DESIGNATION OF AIR QUALITY CONTROL REGIONS
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National Capital Interstate Air Quality Control Region (District of Columbia, Maryland, and Virginia). |
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New Jersey-New York-Connecticut Interstate Air Quality Control Region. |
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Metropolitan Chicago Interstate Air Quality Control Region. |
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Metropolitan Philadelphia Interstate Air Quality Control Region (Pennsylvania-New Jersey-Delaware). |
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Metropolitan Denver Intrastate Air Quality Control Region. |
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Metropolitan Los Angeles Air Quality Control Region. |
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Metropolitan St. Louis Interstate Air Quality Control Region. |
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Metropolitan Boston Intrastate Air Quality Control Region. |
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Metropolitan Cincinnati Interstate Air Quality Control Region. |
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San Francisco Bay Area Intrastate Air Quality Control Region. |
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Greater Metropolitan Cleveland Intrastate Air Quality Control Region. |
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Southwest Pennsylvania Intrastate Air Quality Control Region. |
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Niagara Frontier Intrastate Air Quality Control Region. |
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Metropolitan Kansas City Interstate Air Quality Control Region. |
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Hartford-New Haven-Springfield Interstate Air Quality Control Region. |
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Minneapolis-St. Paul Intrastate Air Quality Control Region. |
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Metropolitan Baltimore Intrastate Air Quality Control Region. |
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Metropolitan Indianapolis Intrastate Air Quality Control Region. |
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Southeastern Wisconsin Intrastate Air Quality Control Region. |
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Metropolitan Providence Interstate Air Quality Control Region. |
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Puget Sound Intrastate Air Quality Control Region. |
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Steubenville-Weirton-Wheeling Interstate Air Quality Control Region. |
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Metropolitan Dayton Intrastate Air Quality Control Region. |
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Louisville Interstate Air Quality Control Region. |
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Maricopa Intrastate Air Quality Control Region. |
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Metropolitan Detroit-Port Huron Intrastate Air Quality Control Region. |
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Metropolitan Houston-Galveston Intrastate Air Quality Control Region. |
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Metropolitan Dallas-Fort Worth Intrastate Air Quality Control Region. |
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Metropolitan San Antonio Intrastate Air Quality Control Region. |
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Metropolitan Birmingham Intrastate Air Quality Control Region. |
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Chattanooga Interstate Air Quality Control Region. |
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Metropolitan Toledo Interstate Air Quality Control Region. |
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Metropolitan Memphis Interstate Air Quality Control Region. |
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Metropolitan Atlanta Intrastate Air Quality Control Region. |
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U.S. Virgin Islands Air Quality Control Region. |
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Central Oklahoma Intrastate Air Quality Control Region. |
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Champlain Valley Interstate Air Quality Control Region. |
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Southeast Florida Intrastate Air Quality Control Region. |
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Metropolitan Omaha-Council Bluffs Interstate Air Quality Control Region. |
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Portland Interstate Air Quality Control Region. |
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Wasatch Front Intrastate Air Quality Control Region. |
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Southern Louisiana-Southeast Texas Interstate Air Quality Control Region. |
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Cook Inlet Intrastate Air Quality Control Region. |
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Northeast Pennsylvania-Upper Delaware Valley Interstate Air Quality Control Region. |
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Eastern Tennessee-Southwestern Virginia Interstate Air Quality Control Region. |
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Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region. |
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Cumberland-Keyser Interstate Air Quality Control Region. |
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Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region. |
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Evansville (Indiana)-Owensboro-Henderson (Kentucky) Interstate Air Quality Control Region. |
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Northeast Mississippi Intrastate Air Quality Control Region. |
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Metropolitan Fort Smith Interstate Air Quality Control Region. |
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Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate Air Quality Control Region. |
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Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region. |
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Southeast Minnesota-La Crosse (Wisconsin) Interstate Air Quality Control Region. |
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Lake Michigan Intrastate Air Quality Control Region. |
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Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate Air Quality Control Region. |
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Paducah (Kentucky)-Cairo (Illinois) Interstate Air Quality Control Region. |
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Parkersburg (West Virginia)-Marietta (Ohio) Interstate Air Quality Control Region. |
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Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region. |
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Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate Air Quality Control Region. |
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South Bend-Elkhart (Indiana)-Benton Harbor (Michigan) Interstate Air Quality Control Region. |
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Northwest Pennsylvania-Youngstown Interstate Air Quality Control Region. |
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Metropolitan Charlotte Interstate Air Quality Control Region. |
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State of Hawaii Air Quality Control Region. |
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Puerto Rico Air Quality Control Region. |
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Metropolitan Portland Intrastate Air Quality Control Region. |
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Northeastern Oklahoma Intrastate Air Quality Control Region. |
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Las Vegas Intrastate Air Quality Control Region. |
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Merrimack Valley-Southern New Hampshire Interstate Air Quality Control Region. |
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El Paso-Las Cruces-Alamogordo Interstate Air Quality Control Region. |
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Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region. |
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Metropolitan Fargo-Moorhead Interstate Air Quality Control Region. |
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Metropolitan Sioux Falls Interstate Air Quality Control Region. |
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Metropolitan Sioux City Interstate Air Quality Control Region. |
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Metropolitan Boise Intrastate Air Quality Control Region. |
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Billings Intrastate Air Quality Control Region. |
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Metropolitan Cheyenne Intrastate Air Quality Control Region. |
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Androscoggin Valley Interstate Air Quality Control Region. |
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Jacksonville (Florida)-Brunswick (Georgia) Interstate Air Quality Control Region. |
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Monroe (Louisiana)--El Dorado (Arkansas) Interstate Air Quality Control Region. |
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Hampton Roads Intrastate Air Quality Control Region. |
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Shreveport-Texarkana-Tyler Interstate Air Quality Control Region. |
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Central Florida Intrastate Air Quality Control Region. |
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West Central Florida Intrastate Air Quality Control Region. |
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Southwest Florida Intrastate Air Quality Control Region. |
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Burlington-Keokuk Interstate Air Quality Control Region. |
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New Mexico Southern Border Intrastate Air Quality Control Region. |
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Eastern Washington-Northern Idaho Interstate Air Quality Control Region. |
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Metropolitan Dubuque Interstate Air Quality Control Region. |
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Metropolitan Quad Cities Interstate Air Quality Control Region. |
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Central Pennsylvania Intrastate Air Quality Control Region. |
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South Central Pennsylvania Intrastate Air Quality Control Region. |
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Greenville-Spartanburg Intrastate Air Quality Control Region. |
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Greenwood Intrastate Air Quality Control Region. |
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Columbia Intrastate Air Quality Control Region. |
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Florence Intrastate Air Quality Control Region. |
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Camden-Sumter Intrastate Air Quality Control Region. |
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Georgetown Intrastate Air Quality Control Region. |
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Charleston Intrastate Air Quality Control Region. |
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Savannah (Georgia)-Beaufort (South Carolina) Interstate Air Quality Control Region. |
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Augusta (Georgia)-Aiken (South Carolina) Interstate Air Quality Control Region. |
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Northwest Nevada Intrastate Air Quality Control Region. |
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Northern Missouri Intrastate Air Quality Control Region. |
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Southeast Missouri Intrastate Air Quality Control Region. |
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Southwest Missouri Intrastate Air Quality Control Region. |
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Western Tennessee Intrastate Air Quality Control Region. |
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Middle Tennessee Intrastate Air Quality Control Region. |
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Four Corners Interstate Air Quality Control Region. |
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Mississippi Delta Intrastate Air Quality Control Region. |
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Southeastern Oklahoma Intrastate Air Quality Control Region. |
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North Central Oklahoma Intrastate Air Quality Control Region. |
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Southwestern Oklahoma Intrastate Air Quality Control Region. |
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Northwestern Oklahoma Intrastate Air Quality Control Region. |
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Central New York Intrastate Air Quality Control Region. |
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Genesee-Finger Lakes Intrastate Air Quality Control Region. |
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Hudson Valley Intrastate Air Quality Control Region. |
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Southern Tier East Intrastate Air Quality Control Region. |
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Southern Tier West Intrastate Air Quality Control Region. |
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Abilene-Wichita Falls Intrastate Air Quality Control Region. |
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Amarillo-Lubbock Intrastate Air Quality Control Region. |
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Austin-Waco Intrastate Air Quality Control Region. |
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Brownsville-Laredo Intrastate Air Quality Control Region. |
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Corpus Christi-Victoria Intrastate Air Quality Control Region. |
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Midland-Odessa-San Angelo Intrastate Air Quality Control Region. |
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Central Arkansas Intrastate Air Quality Control Region. |
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Northeast Arkansas Intrastate Air Quality Control Region. |
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Northwest Arkansas Intrastate Air Quality Control Region. |
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Berkshire Intrastate Air Quality Control Region. |
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Central Massachusetts Intrastate Air Quality Control Region. |
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Central Virginia Intrastate Air Quality Control Region. |
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Northeastern Virginia Intrastate Air Quality Control Region. |
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State Capital Intrastate Air Quality Control Region. |
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Valley of Virginia Intrastate Air Quality Control Region. |
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Eastern Mountain Intrastate Air Quality Control Region. |
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Eastern Piedmont Intrastate Air Quality Control Region. |
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Northern Coastal Plain Intrastate Air Quality Control Region. |
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Northern Piedmont Intrastate Air Quality Control Region. |
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Sandhills Intrastate Air Quality Control Region. |
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Southern Coastal Plain Intrastate Air Quality Control Region. |
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Western Mountain Intrastate Air Quality Control Region. |
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Eastern Shore Intrastate Air Quality Control Region. |
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Central Maryland Intrastate Air Quality Control Region. |
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Southern Maryland Intrastate Air Quality Control Region. |
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North Central Wisconsin Intrastate Air Quality Control Region. |
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Southern Wisconsin Intrastate Air Quality Control Region. |
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Great Basin Valley Intrastate Air Quality Control Region. |
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North Central Coast Intrastate Air Quality Control Region. |
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North Coast Intrastate Air Quality Control Region. |
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Northeast Plateau Intrastate Air Quality Control Region. |
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Sacramento Valley Intrastate Air Quality Control Region. |
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San Diego Intrastate Air Quality Control Region. |
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San Joaquin Valley Intrastate Air Quality Control Region. |
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South Central Coast Intrastate Air Quality Control Region. |
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Southeast Desert Intrastate Air Quality Control Region. |
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Great Falls Intrastate Air Quality Control Region. |
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Helena Intrastate Air Quality Control Region. |
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Miles City Intrastate Air Quality Control Region. |
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Missoula Intrastate Air Quality Control Region. |
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Comanche Intrastate Air Quality Control Region. |
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Grand Mesa Intrastate Air Quality Control Region. |
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Pawnee Intrastate Air Quality Control Region. |
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San Isabel Intrastate Air Quality Control Region. |
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San Luis Intrastate Air Quality Control Region. |
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Yampa Intrastate Air Quality Control Region. |
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Southern Delaware Intrastate Air Quality Control Region. |
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Aroostook Intrastate Air Quality Control Region. |
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Down East Intrastate Air Quality Control Region. |
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Northwest Maine Intrastate Air Quality Control Region. |
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Eastern Connecticut Intrastate Air Quality Control Region. |
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Northwestern Connecticut Intrastate Air Quality Control Region. |
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Northern Washington Intrastate Air Quality Control Region. |
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Olympic-Northwest Washington Intrastate Air Quality Control Region. |
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South Central Washington Intrastate Air Quality Control Region. |
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Eastern Idaho Intrastate Air Quality Control Region. |
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Appalachian Intrastate Air Quality Control Region. |
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Bluegrass Intrastate Air Quality Control Region. |
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North Central Kentucky Intrastate Air Quality Control Region. |
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South Central Kentucky Intrastate Air Quality Control Region. |
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Central Michigan Intrastate Air Quality Control Region. |
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South Central Michigan Intrastate Air Quality Control Region. |
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Upper Michigan Intrastate Air Quality Control Region. |
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East Alabama Intrastate Air Quality Control Region. |
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Metropolitan Columbus Intrastate Air Quality Control Region. |
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Mansfield-Marion Intrastate Air Quality Control Region. |
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Northwest Ohio Intrastate Air Quality Control Region. |
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Sandusky Intrastate Air Quality Control Region. |
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Wilmington-Chillicothe-Logan Intrastate Air Quality Control Region. |
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Zanesville-Cambridge Intrastate Air Quality Control Region. |
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Casper Intrastate Air Quality Control Region. |
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Black Hills-Rapid City Intrastate Air Quality Control Region. |
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East Central Indiana Intrastate Air Quality Control Region. |
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Northeast Indiana Intrastate Air Quality Control Region. |
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Southern Indiana Intrastate Air Quality Control Region. |
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Wabash Valley Intrastate Air Quality Control Region. |
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Central Oregon Intrastate Air Quality Control Region. |
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Eastern Oregon Intrastate Air Quality Control Region. |
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Southwest Oregon Intrastate Air Quality Control Region. |
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Lincoln-Beatrice-Fairbury Intrastate Air Quality Control Region. |
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Allegheny Intrastate Air Quality Control Region. |
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Central West Virginia Intrastate Air Quality Control Region. |
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Eastern Panhandle Intrastate Air Quality Control Region. |
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Kanawha Valley Intrastate Air Quality Control Region. |
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North Central West Virginia Intrastate Air Quality Control Region. |
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Southern West Virginia Intrastate Air Quality Control Region. |
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Central Georgia Intrastate Air Quality Control Region. |
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Northeast Georgia Intrastate Air Quality Control Region. |
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Southwest Georgia Intrastate Air Quality Control Region. |
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Upper Rio Grande Valley Intrastate Air Quality Control Region. |
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Northeastern Plains Intrastate Air Quality Control Region. |
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Southwestern Mountains-Augustine Plains Intrastate Air Quality Control Region. |
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Pecos-Permian Basin Intrastate Air Quality Control Region. |
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Central Minnesota Intrastate Air Quality Control Region. |
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Northwest Minnesota Intrastate Air Quality Control Region. |
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Southwest Minnesota Intrastate Air Quality Control Region. |
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Northern Alaska Intrastate Air Quality Control Region. |
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South Central Alaska Intrastate Air Quality Control Region. |
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Southeastern Alaska Intrastate Air Quality Control Region. |
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Northwest Oregon Intrastate Air Quality Control Region. |
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North Central Kansas Intrastate Air Quality Control Region. |
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Northeast Kansas Intrastate Air Quality Control Region. |
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Northwest Kansas Intrastate Air Quality Control Region. |
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South Central Kansas Intrastate Air Quality Control Region. |
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Southeast Kansas Intrastate Air Quality Control Region. |
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Southwest Kansas Intrastate Air Quality Control Region. |
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Northeast Iowa Intrastate Air Quality Control Region. |
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North Central Iowa Intrastate Air Quality Control Region. |
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Northwest Iowa Intrastate Air Quality Control Region. |
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Southwest Iowa Intrastate Air Quality Control Region. |
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South Central Iowa Intrastate Air Quality Control Region. |
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Southeast Iowa Intrastate Air Quality Control Region. |
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North Central Illinois Intrastate Air Quality Control Region. |
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East Central Illinois Intrastate Air Quality Control Region. |
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West Central Illinois Intrastate Air Quality Control Region. |
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Southeast Illinois Intrastate Air Quality Control Region. |
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Alabama and Tombigbee Rivers Intrastate Air Quality Control Region. |
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Southeast Alabama Intrastate Air Quality Control Region. |
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Mohave-Yuma Intrastate Air Quality Control Region. |
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Pima Intrastate Air Quality Control Region. |
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Northern Arizona Intrastate Air Quality Control Region. |
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Central Arizona Intrastate Air Quality Control Region. |
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Southeast Arizona Intrastate Air Quality Control Region. |
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Lake County Intrastate Air Quality Control Region. |
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Mountain Counties Intrastate Air Quality Control Region. |
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Lake Tahoe Intrastate Air Quality Control Region. |
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Subpart C--SECTION 107 ATTAINMENT STATUS DESIGNATIONS
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Northern Mariana Islands. |
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Subpart D--IDENTIFICATION OF MANDATORY CLASS I FEDERAL AREAS WHERE VISIBILITY IS AN IMPORTANT VALUE
February 27, 2007< !-- #EndDate -- >-->
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