1. Regulations
  2. title 40
  3. chapter I-i19
  4. part 81
  5. subpart E
  6. § 81.457

Collapse to view only § 81.457 - Ozone Transport Region.

§ 81.455 - Scope.

This subpart identifies interstate transport regions established for national ambient air quality standards pursuant to section 184 or section 176A of the Clean Air Act.

AUTHORITY: 42 U.S.C. 7401,

SOURCE: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.

CITE AS: 40 CFR 81.455

§ 81.457 - Ozone Transport Region.

Except as provided in paragraph (a), the Ozone Transport Region is comprised of the areas identified by Congress under 42 U.S.C. 7511c(a).

(a) Ozone Transport Region boundary. As of March 14, 2022, the boundary for the Ozone Transport Region consists of the entire States of Connecticut, Delaware, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont; portions of Maine identified in this section under Table 1; and the Consolidated Metropolitan Statistical Area that includes the District of Columbia and the following counties and cities in Virginia: Arlington County, Fairfax County, Loudoun County, Prince William County, Strafford County, Alexandria City, Fairfax City, Falls Church City, Manassas City, and Manassas Park City.

Table 1 to Paragraph (a)—Maine Towns and Cities in the Ozone Transport Region

Maine towns and cities in the ozone transport region Androscoggin County (only the following town): Durham. Cumberland County (only the following towns and cities): Brunswick, Cape Elizabeth, Casco, Cumberland, Falmouth, Freeport, Frye Island, Gorham, Gray, Harpswell, Long Island, New Gloucester, North Yarmouth, Portland, Pownal, Raymond, Scarborough, South Portland, Standish, Westbrook, Windham, and Yarmouth. Hancock County (only the following towns and cities): Bar Harbor, Blue Hill, Brooklin, Brooksville, Cranberry Isles, Deer Isle, Frenchboro, Gouldsboro, Hancock, Lamoine, Mount Desert, Sedwick, Sorrento, Southwest Harbor, Stonington, Sullivan, Surry, Swans Island, Tremont, Trenton, and Winter Harbor. Knox County (only the following towns and cities): Camden, Criehaven, Cushing, Friendship, Isle au Haut, Matinicus Isle, Muscle Ridge Shoals, North Haven, Owls Head, Rockland, Rockport, St. George, South Thomaston, Thomaston, Vinalhaven, and Warren. Lincoln County (only the following towns and cities): Alna, Boothbay, Boothbay Harbor, Breman, Bristol, Damariscotta, Dresden, Edgecomb, Monhegan, Newcastle, Nobleboro, South Bristol, Southport, Waldoboro, Westport, and Wiscasset. Sagadahoc County (all towns and cities).Waldo County (only the following town): Islesboro. York County (only the following towns and cities): Alfred, Arundel, Berwick, Biddeford, Buxton, Dayton, Eliot, Hollis, Kennebunk, Kennebunkport, Kittery, Limington, Lyman, North Berwick, Ogunquit, Old Orchard Beach, Saco, Sanford, South Berwick, Wells, and York.

(b) Applicability. As of March 14, 2022, the provisions of 42 U.S.C. 7511c will no longer be applicable in the following areas of Maine: The State of Maine, with the exception of the towns and cities listed in this section under table 1 to paragraph (a).

AUTHORITY: 42 U.S.C. 7401,

SOURCE: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.

CITE AS: 40 CFR 81.457

Appendix A - Appendix A to Part 81—Air Quality Control Regions (AQCR's)

AQCR No. Alabama: Alabama and Tombigbee Rivers1 Columbus-Phenix City2 East Alabama3 Metropolitan Birmingham4 Mobile-Pensacola-Panama City-Southern Mississippi (Fla., Miss.)5 Southeast Alabama6 Tennessee River Valley-Cumberland Mountains (Tenn.)7 Alaska: Cook Inlet8 Northern Alaska9 South Central Alaska10 Southeastern Alaska11 Arizona: Arizona-New Mexico Southern Border (N. Mex.)12 Clark-Mohave13 Four Corners (Colo., N. Mex., Utah)14 Phoenix-Tucson15 Arkansas: Central Arkansas16 Metropolitan Fort Smith17 Metropolitan Memphis18 Monroe-El Dorado (La.)19 Northeast Arkansas20 Northwest Arkansas21 Shreveport-Texarkana-Tyler (La., Okla., Texas)22 California: Great Basin Valley23 Metropolitan Los Angeles24 North Central Coast25 North Coast26 Northeast Plateau27 Sacramento Valley28 San Diego29 San Francisco Bay Area30 San Joaquin Valley31 South Central Coast32 Southeast Desert33 Colorado: Comanche34 Four Corners (Ariz., N. Mex., Utah)14 Grand Mesa35 Metropolitan Denver36 Pawnee37 San Isabel38 San Luis39 Yampa40 Connecticut: Eastern Connecticut41 Hartford-New Haven-Springfield (Mass.)42 New Jersey-New York-Connecticut (N.J., N.Y.)43 Northwestern Connecticut44 Delaware: Metropolitan Philadelphia (N.J., Pa.)45 Southern Delaware46 District of Columbia: National Capital (Md.)47 Florida: Central Florida48 Jacksonville-Brunswick (Ga.)49 Mobile-Pensacola-Panama City-Southern Mississippi (Ala., Miss.)5 Southeast Florida50 Southwest Florida51 West Central Florida52 Georgia: Augusta-Aiken (S.C.)53 Central Georgia54 Chattanooga (Tenn.)55 Columbus-Phenix City (Ala.)2 Jacksonville-Brunswick (Fla.)49 Metropolitan Atlanta56 Northeast Georgia57 Savannah-Beaufort (S.C.)58 Southwest Georgia59 Hawaii: Entire State60 Idaho: Eastern Idaho61 Eastern Washington-Northern Idaho (Wash.)62 Idaho63 Metropolitan Boise64 Illinois: Burlington-Keokuk (Iowa)65 East Central Illinois66 Metropolitan Chicago (Ind.)67 Metropolitan Dubuque (Iowa, Wis.)68 Metropolitan Quad Cities (Iowa)69 Metropolitan St. Louis (Mo.)70 North Central Illinois71 Paducah-Cairo (Ky.)72 Rockford-Janesville-Beloit (Wis.)73 Southeast Illinois74 West Central Illinois75 Indiana: East Central Indiana76 Evansville-Owensboro-Henderson (Ky.)77 Louisville (Ky.)78 Metropolitan Chicago (Ill.)67 Metropolitan Cincinnati (Ky., Ohio)79 Metropolitan Indianapolis80 Northeast Indiana81 South Bend-Elkhart-Benton Harbor (Mich.)82 Southern Indiana83 Wabash Valley84 Iowa: Burlington-Keokuk (Ill.)65 Metropolitan Dubuque (Ill., Wis.)68 Metropolitan Omaha-Council Bluffs (Nebr.)85 Metropolitan Quad Cities (Ill.)69 Metropolitan Sioux City (Nebr., S. Dak.)86 Metropolitan Sioux Falls (S. Dak.)87 Northeast Iowa88 North Central Iowa89 Northwest Iowa90 Southeast Iowa91 South Central Iowa92 Southwest Iowa93 Kansas: Metropolitan Kansas City (Mo.)94 Northeast Kansas95 North Central Kansas96 Northwest Kansas97 Southeast Kansas98 South Central Kansas99 Southwest Kansas100 Kentucky: Appalachian101 Bluegrass102 Evansville-Owensboro-Henderson (Ind.)77 Huntington-Ashland-Portsmouth-Ironton (Ohio, W. Va.)103 Louisville (Ind.)78 Metropolitan Cincinnati (Ind., Ohio)79 North Central Kentucky104 Paducah-Cairo (Ill.)72 South Central Kentucky105 Louisiana: Monroe-El Dorado (Ark.)19 Shreveport-Texarkana-Tyler (Ark., Okla., Tex.)22 Southern Louisiana-Southeast Texas (Tex.)106 Maine: Androscoggin Valley (N.H.)107 Aroostook108 Down East109 Metropolitan Portland110 Northwest Maine111 Maryland: Central Maryland112 Cumberland-Keyser (W. Va.)113 Eastern Shore114 Metropolitan Baltimore115 National Capital (D.C.)47 Southern Maryland116 Massachusetts: Berkshire117 Central Massachusetts118 Hartford-New Haven-Springfield (Conn.)42 Metropolitan Boston119 Metropolitan Providence (R.I.)120 Merrimack Valley-Southern New Hampshire (N.H.)121 Michigan: Central Michigan122 Metropolitan Detroit-Port Huron123 Metropolitan Toledo (Ohio)124 South Bend-Elkhart-Benton Harbor (Ind.)82 South Central Michigan125 Upper Michigan126 Minnesota: Central Minnesota127 Southeast Minnesota-La Crosse (Wis.)128 Duluth-Superior (Wis.)129 Metropolitan Fargo-Moorhead (N. Dak.)130 Minneapolis-St. Paul131 Northwest Minnesota132 Southwest Minnesota133 Mississippi: Metropolitan Memphis (Ark., Tenn.)18 Mississippi Delta134 Mobile-Pensacola-Panama City-Southern Mississippi (Ala., Fla.)5 Northeast Mississippi135 Missouri: Metropolitan Kansas City (Kans.)94 Metropolitan St. Louis (Ill.)70 Northern Missouri137 Southeast Missouri138 Southwest Missouri139 Montana: Billings140 Great Falls141 Helena142 Miles City143 Missoula144 Nebraska: Lincoln-Beatrice-Fairbury145 Metropolitan Omaha-Council Bluffs (Iowa)85 Metropolitan Sioux City (Iowa, S. Dak.)86 Nebraska146 Nevada: Clark-Mohave (Ariz.)13 Nevada147 Northwest Nevada148 New Hampshire: Androscoggin Valley (Maine)107 Merrimack Valley-Southern New Hampshire (Mass.)121 New Hampshire149 New Jersey: Metropolitan Philadelphia (Del., Pa.)45 New Jersey150 New Jersey-New York-Connecticut (N.Y., Conn.)43 Northeast Pennsylvania-Upper Delaware Valley (Pa.)151 New Mexico: Albuquerque-Mid Rio Grande152 Arizona-New Mexico Southern Border (Ariz.)12 El Paso-Las Cruces-Alamogordo (Tex.)153 Four Corners (Ariz., Colo., Utah)14 Northeastern Plains154 Pecos-Permian Basin155 Southwestern Mountains-Augustine Plains156 Upper Rio Grande Valley157 New York: Central New York158 Champlain Valley (Vt.)159 Genesee-Finger Lakes160 Hudson Valley161 New Jersey-New York-Connecticut (N.J., Conn.)43 Niagara Frontier162 Southern Tier East163 Southern Tier West164 North Carolina: Eastern Mountain165 Eastern Piedmont166 Metropolitan Charlotte (S.C.)167 Northern Coastal Plain168 Northern Piedmont136 Sandhills169 Southern Coastal Plain170 Western Mountain171 North Dakota: Metropolitan Fargo-Moorhead (Minn.)130 North Dakota172 Ohio: Dayton173 Greater Metropolitan Cleveland174 Huntington-Ashland-Portsmouth-Ironton (Ky., W. Va.)103 Mansfield-Marion175 Metropolitan Cincinnati (Ind., Ky.)79 Metropolitan Columbus176 Metropolitan Toledo (Mich.)124 Northwest Ohio177 Northwest Pennsylvania-Youngstown (Pa.)178 Parkersburg-Marietta (W. Va.)179 Sandusky180 Steubenville-Weirton-Wheeling (W. Va.)181 Wilmington-Chillicothe-Logan182 Zanesville-Cambridge183 Oklahoma: Central Oklahoma184 Metropolitan Fort Smith (Ark.)17 North Central Oklahoma185 Northeastern Oklahoma186 Northwestern Oklahoma187 Shreveport-Texarkana-Tyler (Ark., La., Texas)22 Southeastern Oklahoma188 Southwestern Oklahoma189 Oregon: Central Oregon190 Eastern Oregon191 Northwest Oregon192 Portland (Wash.)193 Southwest Oregon194 Pennsylvania: Central Pennsylvania195 Metropolitan Philadelphia (Del., N.J.)45 Northeast Pennsylvania-Upper Delaware Valley (N.J.)151 Northwest Pennsylvania-Youngstown (Ohio)178 South Central Pennsylvania196 Southwest Pennsylvania197 Rhode Island: Metropolitan Providence (Mass.)120 South Carolina: Augusta-Aiken (Ga.)53 Camden-Sumter198 Charleston199 Columbia200 Florence201 Greenville-Spartanburg202 Greenwood203 Georgetown204 Metropolitan Charlotte (N.C.)167 Savannah-Beaufort (Ga.)58 South Dakota: Black Hills-Rapid City205 Metropolitan Sioux City (Iowa, Neb.)86 Metropolitan Sioux Falls (Iowa)87 South Dakota206 Tennessee: Chattanooga (Ga.)55 Eastern Tennessee-Southwestern Virginia (Va.)207 Metropolitan Memphis (Ark., Miss.)18 Middle Tennessee208 Tennessee River Valley-Cumberland Mountains (Ala.)7 Western Tennessee209 Texas: Abilene-Wichita Falls210 Amarillo-Lubbock211 Austin-Waco212 Brownsville-Laredo213 Corpus Christi-Victoria214 El Paso-Las Cruces-Alamagordo (N. Mex.)153 Metropolitan Dallas-Ft. Worth215 Metropolitan Houston-Galveston216 Metropolitan San Antonio217 Midland-Odessa-San Angelo218 Shreveport-Texarkana-Tyler (Ark., La., Okla.)22 Southern Louisiana-Southeast Texas (La.)106 Utah: Four Corners (Ariz., Colo., N. Mex.)14 Utah219 Wasatch Front220 Vermont: Champlain Valley (N.Y.)159 Vermont221 Virginia: Central Virginia222 Eastern Tennessee-Southwestern Virginia (Tenn.)207 Hampton Roads223 National Capital (D.C., Md.)47 Northeastern Virginia224 State Capital225 Valley of Virginia226 Washington: Eastern Washington-Northern Idaho (Idaho)62 Northern Washington227 Olympia-Northwest Washington228 Portland (Ore.)193 Puget Sound229 South Central Washington230 West Virginia: Allegheny231 Central West Virginia232 Cumberland-Keyser (Md.)113 Eastern Panhandle233 Huntington-Ashland-Portsmouth-Iron- ton (Ky., Ohio)103 Kanawha Valley234 North Central West Virginia235 Parkersburg-Marietta (Ohio)179 Southern West Virginia236 Steubenville-Wierton-Wheeling (Ohio)181 Wisconsin: Duluth-Superior (Minn.)129 Lake Michigan237 Metropolitan Dubuque (Ill., Iowa)68 North Central Wisconsin238 Rockford- Janesville- Beloit (Ill.)73 Southeastern Wisconsin239 Southeast Minnesota- La Crosse (Minn.)128 Southern Wisconsin240 Wyoming: Casper241 Metropolitan Cheyenne242 Wyoming243 Puerto Rico: Puerto Rico244 American Samoa: American Samoa245 Guam: Guam246 U.S. Virgin Islands: U.S. Virgin Islands247

AUTHORITY: 42 U.S.C. 7401,

SOURCE: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.