Title 40—Protection of Environment--Volume 1
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
§ 81.350   Wisconsin.
Wisconsin—1971 Sulfur Dioxide NAAQS
(Primary and Secondary
Wisconsin—2010 Sulfur Dioxide NAAQS
[Primary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
3 Includes Indian country of the tribe listed in this table located in Forest County, Wisconsin. Information pertaining to areas of Indian country in this table is intended for Clean Air Act planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.
Wisconsin—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
Wisconsin—Ozone (1-Hour Standard) 4
1 This date is October 18, 2000, unless otherwise noted.
2 Attainment date temporarily delayed until November 15, 2007.
3 This date is January 16, 2001.
4 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Wisconsin. The Door Co., Kewaunee Co., Manitowoc Co., Sheboygan, and Walworth Co. areas are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.
Wisconsin—1997 Annual PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Wisconsin—2012 Annual PM 2.5 NAAQS
[Primary]
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Wisconsin—1997 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Wisconsin—2006 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
2 This date is July 2, 2014, unless otherwise noted.
Wisconsin—NO 2 (1971 Annual Standard)
Wisconsin—NO 2 (2010 1-Hour Standard)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Wisconsin—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is June 15, 2004, unless otherwise noted.
Wisconsin—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is July 20, 2012, unless otherwise noted.
2 Excludes Indian country located in each area, unless otherwise noted.
3 Includes any Indian country in each county or area, unless otherwise specified.
4 Attainment date is extended to July 20, 2016.
5 Attainment date is extended to July 20, 2019 for both Inland Sheboygan County, WI, and Shoreline Sheboygan County, WI, nonattainment areas.
Wisconsin—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is August 3, 2018, unless otherwise noted.
3 Includes Indian country of the tribe listed in this table located in Forest County, Wisconsin. Information pertaining to areas of Indian country in this table is intended for Clean Air Act planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.
4 [Reserved]
5 EPA revised the nonattainment boundary in response to a court decision, which did not vacate any designations for the 2015 ozone NAAQS, but which remanded the designation for the identified county. Because this additional area is part of a previously designated nonattainment area, the associated implementation dates for the overall nonattainment area ( e.g., the August 3, 2021 attainment date) remain unchanged regardless of this later designation date.
Wisconsin—2008 Lead NAAQS
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
§ 81.351   Wyoming.
Wyoming—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
Wyoming—2010 Sulfur Dioxide NAAQS
[Primary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
Wyoming—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
Wyoming—Ozone (1-Hour Standard) 2
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Wyoming.
Wyoming—PM-10
1 Denotes a single area designation for baseline area purposes.
Wyoming—1997 Annual PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Wyoming—2012 Annual PM 2.5 NAAQS
[Primary]
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Wyoming—1997 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Wyoming—2006 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Wyoming—NO 2 (1971 Annual Standard)
Wyoming—NO 2 (2010 1-Hour Standard)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Wyoming—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is June 15, 2004, unless otherwise noted.
Wyoming—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is July 20, 2012, unless otherwise noted.
2 Excludes Indian country located in each area, unless otherwise noted.
Wyoming—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is August 3, 2018, unless otherwise noted.
Wyoming—2008 Lead NAAQS
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
§ 81.352   American Samoa.
American Samoa—TSP
1 EPA designation only.
American Samoa—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
1 EPA designation only.
American Samoa—2010 Sulfur Dioxide NAAQS
[Primary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
American Samoa—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
American Samoa—Ozone (1-Hour Standard) 2
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in American Samoa.
American Samoa—1997 Annual PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
American Samoa—2012 Annual PM 2.5 NAAQS
[Primary]
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
American Samoa—1997 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
American Samoa—2006 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
American Samoa—NO 2 (1971 Annual Standard)
1 EPA designation only.
American Samoa—NO 2 (2010 1-Hour Standard)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
American Samoa—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is June 15, 2004, unless otherwise noted.
American Samoa—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is July 20, 2012, unless otherwise noted.
American Samoa—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is January 16, 2018, unless otherwise noted.
American Samoa—2008 Lead NAAQS
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
§ 81.353   Guam.
Guam—TSP
1 EPA designation replaces State designation.
Guam—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
1 EPA designation replaces State designation.
Guam—2010 Sulfur Dioxide NAAQS
[Primary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
Guam—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
Guam—Ozone (1-Hour Standard) 2
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Guam.
Guam—1997 Annual PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Guam—2012 Annual PM 2.5 NAAQS
[Primary]
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Guam—1997 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Guam—2006 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Guam—NO 2 (1971 Annual Standard)
Guam—NO 2 (2010 1-Hour Standard)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Guam—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is June 15, 2004, unless otherwise noted.
Guam—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is July 20, 2012, unless otherwise noted.
Guam—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is January 16, 2018, unless otherwise noted.
Guam—2008 Lead NAAQS
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
§ 81.354   Northern Mariana Islands.
Northern Mariana Islands—TSP
1 EPA designation only.
Northern Mariana Islands—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
1 EPA designation only.
Northern Mariana Islands—2010 Sulfur Dioxide NAAQS
[Primary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
Northern Mariana Islands—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
Northern Mariana Islands—Ozone (1-Hour Standard) 2
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Northern Mariana Islands.
Northern Mariana Islands—1997 Annual PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Northern Mariana Islands—2012 Annual PM 2.5 NAAQS
[Primary]
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Northern Mariana Islands—1997 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Northern Mariana Islands—2006 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Northern Mariana Islands—NO 2 (1971 Annual Standard)
1 EPA designation only.
Northern Mariana Islands—NO 2 (2010 1-Hour Standard)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Northern Mariana Islands—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is June 15, 2004, unless otherwise noted.
Northern Mariana Islands—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is July 20, 2012, unless otherwise noted.
Northern Mariana Islands—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is January 16, 2018, unless otherwise noted.
Northern Mariana Islands—2008 Lead NAAQS
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
§ 81.355   Puerto Rico.
Puerto Rico—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
Puerto Rico—2010 Sulfur Dioxide NAAQS
[Primary]
1 Includes any Indian country in each county or area, unless otherwise specified. The EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
Puerto Rico—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
Puerto Rico—Ozone (1-Hour Standard) 2
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Puerto Rico.
Puerto Rico—PM-10
Puerto Rico—1997 Annual PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Puerto Rico—2012 Annual PM 2.5 NAAQS
[Primary]
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Puerto Rico—1997 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Puerto Rico—2006 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Puerto Rico—NO 2 (1971 Annual Standard)
Puerto Rico—NO 2 (2010 1-Hour Standard)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Puerto Rico—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is June 15, 2004, unless otherwise noted.
Puerto Rico—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified.
2 This date is July 20, 2012, unless otherwise noted.
Puerto Rico—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is January 16, 2018, unless otherwise noted.
Puerto Rico—PM 2.5 (Annual NAAQS)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Puerto Rico—2008 Lead NAAQS
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
§ 81.356   Virgin Islands.
Virgin Islands—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
1 EPA designation replaces State designation.
Virgin Islands—2010 Sulfur Dioxide NAAQS
[Primary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
Virgin Islands—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
Virgin Islands—Ozone (1-Hour Standard) 2
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in the Virgin Islands.
Virgin Islands—1997 Annual PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Virgin Islands—2012 Annual PM 2.5 NAAQS
[Primary]
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Virgin Islands—1997 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after November 13, 2009, unless otherwise noted.
Virgin Islands—2006 24-Hour PM 2.5 NAAQS
[Primary and Secondary]
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Virgin Islands—NO 2 (1971 Annual Standard)
Virgin Islands—NO 2 (2010 1-Hour Standard)
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Virgin Islands—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is June 15, 2004, unless otherwise noted.
Virgin Islands—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
1 This date is July 20, 2012, unless otherwise noted.
2 Includes any Indian country in each county or area, unless otherwise specified.
Virgin Islands—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is January 16, 2018, unless otherwise noted.
Virgin Islands—2008 Lead NAAQS
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
§ 81.400   Scope.
Subpart D, §§ 81.401 through 81.437, lists those mandatory Federal Class I areas, established under the Clean Air Act Amendments of 1977, where the Administrator, in consultation with the Secretary of the Interior, has determined visibility to be an important value. The following listing of areas where visibility is an important value represents an evaluation of all international parks (IP), national wilderness areas (Wild) exceeding 5,000 acres, national memorial parks (NMP) exceeding 5,000 acres, and national parks (NP) exceeding 6,000 acres, in existence on August 7, 1977. Consultation by EPA with the Federal Land Managers involved: The Department of Interior (USDI), National Park Service (NPS), and Fish and Wildlife Service (FWS); and the Department of Agriculture (USDA), Forest Service (FS).
§ 81.401   Alabama.
§ 81.402   Alaska.
§ 81.403   Arizona.
§ 81.404   Arkansas.
§ 81.405   California.
1 26 Stat. 478 (51st Cong.)
§ 81.406   Colorado.
§ 81.407   Florida.
§ 81.408   Georgia.
§ 81.409   Hawaii.
§ 81.410   Idaho.
1 Hells Canyon Wilderness, 192,700 acres overall, of which 108,900 acres are in Oregon and 83,800 acres are in Idaho.
2 Selway Bitterroot Wilderness, 1,240,700 acres overall, of which 988,700 acres are in Idaho and 251,930 acres are in Montana.
3 Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho.
4 17 Stat. 32 (42nd Cong.).
§ 81.411   Kentucky.
§ 81.412   Louisiana.
§ 81.413   Maine.
§ 81.414   Michigan.
§ 81.415   Minnesota.
§ 81.416   Missouri.
§ 81.417   Montana.
1 Selway-Bitterroot Wilderness, 1,240,700 acres overall, of which 988,770 acres are in Idaho and 251,930 acres are in Montana.
2 Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho.
3 17 Stat. 32 (42nd Cong.)
§ 81.418   Nevada.
§ 81.419   New Hampshire.
§ 81.420   New Jersey.
§ 81.421   New Mexico.
§ 81.422   North Carolina.
1 Great Smoky Mountains National Park, 514,758 acres overall, of which 273,551 acres are in North Carolina, and 241,207 acres are in Tennessee.
2 Joyce Kilmer-Slickrock Wilderness, 14,033 acres overall, of which 10,201 acres are in North Carolina, and 3,832 acres are in Tennessee.
§ 81.423   North Dakota.
§ 81.424   Oklahoma.
§ 81.425   Oregon.
1 Hells Canyon Wilderness, 192,700 acres overall, of which 108,900 acres are in Oregon, and 83,800 acres are in Idaho.
§ 81.426   South Carolina.
§ 81.427   South Dakota.
§ 81.428   Tennessee.
1 Great Smoky Mountains National Park, 514,758 acres overall, of which 273,551 acres are in North Carolina, and 241,207 acres are in Tennessee.
2 Joyce Kilmer Slickrock Wilderness, 14,033 acres overall, of which 10,201 acres are in North Carolina, and 3,832 acres are in Tennessee.
§ 81.429   Texas.
§ 81.430   Utah.
§ 81.431   Vermont.
§ 81.432   Virgin Islands.
§ 81.433   Virginia.
§ 81.434   Washington.
1 30 Stat. 993 (55th Cong.).
§ 81.435   West Virginia.
§ 81.436   Wyoming.
1 Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho.
2 17 Stat. 32 (42nd Cong.).
§ 81.437   New Brunswick, Canada.
Table 1
1 Chairman, RCIP Commission.
Table 2—Integral Vistas Associated With Mandatory Class I Areas
§ 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.
§ 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
(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).