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Electronic Code of Federal Regulations

e-CFR data is current as of December 11, 2019

Title 40Chapter ISubchapter CPart 81 → Subpart B


Title 40: Protection of Environment
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES


Subpart B—Designation of Air Quality Control Regions


Contents
§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.
§81.276   Nevada Intrastate Air Quality Control Region.

§81.11   Scope.

Air quality control regions designated by the Administrator pursuant to section 107 of the Act are listed in this subpart. Regions so designated are subject to revision, and additional regions may be designated, as the Administrator determines necessary to protect the public health and welfare.

§81.12   National Capital Interstate Air Quality Control Region (District of Columbia, Maryland, and Virginia).

The National Capital Interstate Air Quality Control Region (District of Columbia, Maryland, and Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited);

District of Columbia

In the State of Maryland: Montgomery County; Prince Georges County.

In the State of Virginia: Arlington County; Fairfax County; Loudoun County; Prince William County.

(As so delimited, the Virginia portion of the region will include the city of Alexandria, the city of Fairfax, and the city of Falls Church.)

§81.13   New Jersey-New York-Connecticut Interstate Air Quality Control Region.

The New Jersey-New York-Connecticut Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Connecticut: Bethel Township, Bridgeport Township, Bridgewater, Brookfield Township, Danbury Township, Darien Township, Easton Township, Fairfield Township, Greenwich Township, Monroe Township, New Canaan Township, New Fairfield Township, New Milford, Newtown Township, Norwalk Township, Redding Township, Ridgefield Township, Sherman, Stamford Township, Stratford Township, Trumbull Township, Weston Township, Westport Township, Wilton Township.

In the State of New York: Bronx County, Kings County, Nassau County, New York County, Queens County, Richmond County, Rockland County, Suffolk County, Westchester County.

In the State of New Jersey: Bergen County, Essex County, Hudson County, Middlesex County, Monmouth County, Morris County, Passaic County, Somerset County, Union County.

[36 FR 22421, Nov. 25, 1971, as amended at 45 FR 84788, Dec. 23, 1980]

§81.14   Metropolitan Chicago Interstate Air Quality Control Region.

The Metropolitan Chicago Interstate Air Quality Control Region (Illinois-Indiana) is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Cook County, Du Page County, Grundy County, Kane County, Kankakee County, Kendall County, Lake County, McHenry County, Will County.

In the State of Indiana: Lake County, Porter County.

§81.15   Metropolitan Philadelphia Interstate Air Quality Control Region (Pennsylvania-New Jersey-Delaware).

The Metropolitan Philadelphia Interstate Air Quality Control Region (Pennsylvania-New Jersey-Delaware) consists of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Pennsylvania: Bucks County, Chester County, Delaware County, Montgomery County, Philadelphia County.

In the State of New Jersey: Burlington County, Camden County, Gloucester County, Mercer County, Salem County.

In the State of Delaware: New Castle County.

§81.16   Metropolitan Denver Intrastate Air Quality Control Region.

The Metropolitan Denver Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Adams County, Arapahoe County, Boulder County, Clear Creek County, Denver County, Douglas County, Gilpin County, Jefferson County.

(Sec. 301(a), 81 Stat. 490, 504; 42 U.S.C. 1857g(a), as amended by sec. 15(c)(2) of Pub. L. 91-604)

Note: For purposes of identification, the Regions are referred to by Colorado authorities as follows:

Sec.

481.172   Comanche Intrastate Air Quality Control Region: Region Three.

481.173   Grand Mesa Intrastate Air Quality Control Region: Region Seven.

481.174   Pawnee Intrastate Air Quality Control Region: Region One.

481.175   San Isabel Intrastate Air Quality Control Region: Region Four.

481.176   San Luis Intrastate Air Quality Control Region: Region Five.

481.177   Yampa Intrastate Air Quality Control Region: Region Eight.

481.16   Metropolitan Denver Intrastate Air Quality Control Region: Region Two.

§81.17   Metropolitan Los Angeles Air Quality Control Region.

The Metropolitan Los Angeles Air Quality Control Region consists of the following territorial area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

Ventura County—the entire county;

Orange County—the entire county;

Riverside County—that portion of Riverside County which lies west of a line described as follows: Beginning at the point where the range line common to R. 4 E. and R. 3 E. intersects with Riverside-San Diego County boundary and running north along said range line; then east along the township line common to T. 8 S. and T. 7 S. to the southeast corner of sec. 36, T. 7 S., R. 3 E.; then north along the range line common to R. 4 E. and R. 3 E.; then east along the township line common to T. 8 S. and T. 7 S.; then north along the range line common to R. 5 E. and R. 4 E.; then west along the township line common to T. 6 S. and T. 7 S. to the southwest corner of sec. 34, T. 6 S., R. 4 E.; then north along the west boundaries of secs. 34, 27, 22, 15, 10, and 3, T. 6 S., R. 4 E.; then west along the township line common to T. 5 S. and T. 6 S.; then north along the range line common to R. 4 E. and R. 3 E.; then west along the south boundaries of secs. 13, 14, 15, 16, 17, and 18, T. 5 S., R. 3 E.; then north along the range line common to R. 2 E. and R. 3 E.; then west along the township line common to T. 4 S. and T. 3 S. to the intersection with the southwest boundary of partial sec. 31, T. 3 S., R. 1 W.; then northwest along that line to the intersection with the range line common to R. 2 W. and R. 1 W.; then north to the intersection of said range line with the Riverside-San Bernardino County line;

San Bernardino County—that portion of San Bernardino County which lies west and south of a line described as follows: Beginning at the point where the San Bernardino-Riverside County boundary is intersected by the range line common to R. 3 E. and R. 2 E. and running east along said county boundary; then north along the range line common to R. 3 E. and R. 2 E.; then west along the township line common to T. 3 N. and T. 2 N. to the intersection of said township line with the San Bernardino-Los Angeles County boundary;

Los Angeles County—that portion of Los Angeles County which lies south and west of a line described as follows: Beginning at the point where the township line common to T. 3 N. and T. 2 N. intersects with the Los Angeles-San Bernardino County boundary and running west along said township line; then north along the range line common to R. 8 W. and R. 9 W.; then west along the township line common to T. 4 N. and T. 3 N.; then north along the range line common to R. 12 W. and R. 13 W. to the southeast corner of sec. 12, T. 5 N., R. 13 W.; then west along the south boundaries of secs. 12, 11, 10, 9, 8, and 7, T. 5 N., R. 13 W. to the boundary of the Angeles National Forest which is collinear with the range line common to R. 13 W. and R. 14 W.; then north and west along the Angeles National Forest boundary to the point of intersection with the township line common to T. 7 N. and T. 6 N. (point is at the northwest corner of sec. 4 in T. 6 N., R. 14 W.); then west along the township line common to T. 7 N. and T. 6 N.; then north along the range line common to R. 15 W. and R. 16 W. to the southeast corner of sec. 13, T. 7 N., R. 16 W.; then west along the south boundaries of secs. 13, 14, 15, 16, 17, and 18, T. 7 N., R. 16 W.; then north along the range line common to R. 16 W. and R. 17 W. to the north boundary of the Angeles National Forest (collinear with township line common to T. 8 N. and T. 7 N.); then west and north along the Angeles National Forest boundary to the point of intersection with the south boundary of the Rancho La Liebre Land Grant; then west and north along this land grant boundary to the point at which it intersects with the Los Angeles-Kern County boundary; then west along said county boundary to the northwest corner of Los Angeles County;

Santa Barbara County—that portion of Santa Barbara County which lies south of a line described as follows: Beginning at the point where the Jalama Creek runs into the Pacific Ocean and running east and north along Jalama Creek to a point of intersection with the west boundary of the San Julian Land Grant; then south along the San Julian Land Grant boundary to its southwest corner; then east along the south boundary of the San Julian Land Grant to the northeast corner of partial sec. 20, T. 5 N., R. 32 W.; then south and east along the boundary of the Las Cruces Land Grant to the southwest corner of partial sec. 22, T. 5 N., R. 32 W.; then northeast along the Las Cruces Land Grant boundary; then east along the north boundaries of sec. 13, T. 5 N., R. 32 W., and secs. 18, 17, 16, 15, 14, 13, T. 5 N., R. 31 W., and secs. 18, 17, 16, 15, 14, 13, of T. 5 N., R. 30 W., and secs. 18, 17, 16, 15, T. 5 N., R. 29 W.; then south along the east boundary of sec. 15, T. 5 N., R. 29 W.; then east along the north boundaries of secs. 23 and 24, T. 5 N., R. 29 W., and secs. 19, 20, 21, 22, 23, 24, T. 5 N., R. 28 W., and secs. 19 and 20, T. 5 N., R. 27 W.; then south along the east boundary of sec. 20, T. 5 N., R. 27 W.; then east along the north boundaries of secs. 28, 27, 26, 25, T. 5 N., R. 27 W., and sec. 30, T. 5 N., R. 26 W.; then south along the east boundary of sec. 30, T. 5 N., R. 26 W.; then east along the north boundaries of secs. 32, 33, 34, 35, T. 5 N., R. 26 W.; then south along the east boundary of sec. 35, T. 5 N., S. 26 W.; then east along the township line common to T. 4 N. and T. 5 N. to the intersection of said township line with the Santa Barbara-Ventura County boundary.

§81.18   Metropolitan St. Louis Interstate Air Quality Control Region.

The Metropolitan St. Louis Interstate Air Quality Control Region (Missouri-Illinois) is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Bond County, Clinton County, Madison County, Monroe County, Randolph County, St. Clair County, Washington County.

In the State of Missouri: Franklin County, Jefferson County, St. Charles County, St. Louis City, St. Louis County.

§81.19   Metropolitan Boston Intrastate Air Quality Control Region.

The Metropolitan Boston Intrastate Air Quality Control Region (Massachusetts) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Massachusetts: Cities—Beverly, Boston, Brockton, Cambridge, Chelsea, Everett, Gloucester, Lynn, Malden, Marlborough, Medford, Melrose, Newton, Peabody, Quincy, Revere, Salem, Somerville, Waltham, Woburn.

Townships—Abington, Acton, Arlington, Ashland, Avon, Bedford, Belmont, Bolton, Boxborough, Braintree, Bridgewater, Brookline, Burlington, Canton, Cohasset, Concord, Danvers, Dedham, Dover, Duxbury, East Bridgewater, Easton, Essex, Framingham, Hamilton, Hanover, Hanson, Hingham, Holbrook, Holliston, Hopkinton, Hudson, Hull, Ipswich, Lexington, Lincoln, Lynnfield, Manchester, Marblehead, Marshfield, Maynard, Medfield, Middleton, Millis, Milton, Nahant, Natick, Needham, Norfolk, North Reading, Norwell, Norwood, Pembroke, Randolph, Reading, Rockland, Rockport, Saugus, Scituate, Sharon, Sherborn, Southborough, Stoneham, Stoughton, Stow, Sudbury, Swampscott, Topsfield, Wakefield, Walpole, Watertown, Wayland, Wellesly, Wenham, West Bridgewater, Weston, Westwood, Weymouth, Whitman, Wilmington, Winchester, Winthrop.

§81.20   Metropolitan Cincinnati Interstate Air Quality Control Region.

The Metropolitan Cincinnati Interstate Air Quality Control Region (Ohio-Kentucky-Indiana) is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Boone County, Campbell County, Carroll County, Gallatin County, Grant County, Kenton County, Owen County, Pendleton County.

In the State of Indiana: Dearborn County, Ohio County.

In the State of Ohio: Butler County, Clermont County, Hamilton County, Warren County.

§81.21   San Francisco Bay Area Intrastate Air Quality Control Region.

The San Francisco Bay Area Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Alameda County, Contra Costa County, Marin County, Napa County; San Francisco County, San Mateo County, Santa Clara County.

Solano County—that portion of Solano County which lies south and west of a line described as follows: Beginning at the intersection of the westerly boundary of Solano County and the 14 section line running east and west through the center of Section 34, T. 6 N., R. 2 W., M.D.B. & M., thence east along said 14 section line to the east boundary of Section 36, T. 6 N., R. 2 W., thence south 12 mile and east 2.0 miles, more or less, along the west and south boundary of Los Putos Rancho to the northwest corner of Section 4, T. 5 N., R. 1 W., thence east along a line common to T. 5 N. and T. 6 N. to the northeast corner of Section 3, T. 5 N., R. 1 E., thence south along section lines to the southeast corner of Section 10, T 3 N., R. 1 E., thence east along section lines to the south 14 corner of Section 8, T. 3 N., R. 2 E., thence east to the boundary between Solano and Sacramento Counties.

Sonoma County—that portion of Sonoma County which lies south and east of a line described as follows:Beginning at the southeasterly corner of the Rancho Estero Americano, being on the boundary line between Marin and Sonoma Counties, California; thence running northerly along the easterly boundary line of said Rancho Estero Americano to the northeasterly corner thereof, being an angle corner in the westerly boundary line of Rancho Canada de Jonive; thence running along said boundary of Rancho Canada de Jonive westerly, northerly and easterly to its intersection with the easterly line of Graton Road; thence running along the easterly and southerly line of Graton Road, northerly and easterly to its intersection with the easterly line of Sullivan Road; thence running northerly along said easterly line of Sullivan Road to the southerly line of Green Valley Road; thence running easterly along the said southerly line of Green Valley Road and easterly along the southerly line of State Highway 116, to the westerly line of Vine Hill Road; thence running along the westerly and northerly line of Vine Hill Road, northerly and easterly to its intersection with the westerly line of Laguna Road; thence running northerly along the westerly line of Laguna Road and the northerly projection thereof to the northerly line of Trenton Road; thence running westerly along the northerly line of said Trenton Road to the easterly line of Trenton-Healdsburg Road; thence running northerly along said easterly line of Trenton-Healdsburg Road to the easterly line of Eastside Road; thence running northerly along said easterly line of Eastside Road to its intersection with the southerly line of Rancho Sotoyome; thence running easterly along said southerly line of Rancho Sotoyome to its intersection with the township line common to Townships 8 and 9 North, Mt. Diablo Base and Meridian; thence running easterly along said township line to its intersection with the boundary line between Sonoma and Napa Counties, State of California.

[36 FR 22421, Nov. 25, 1971, as amended at 46 FR 3889, Jan. 16, 1981]

§81.22   Greater Metropolitan Cleveland Intrastate Air Quality Control Region.

The Greater Metropolitan Cleveland Intrastate Air Quality Control Region (Ohio) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Lorain County, Cuyahoga County, Lake County, Geauga County, Portage County, Summit County, Medina County, Stark County.

§81.23   Southwest Pennsylvania Intrastate Air Quality Control Region.

The Southwest Pennsylvania Intrastate Air Quality Control Region is redesignated to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Pennsylvania: Allegheny County, Armstrong County, Beaver County, Butler County, Greene County, Fayette County, Indiana County, Washington County, Westmoreland County.

§81.24   Niagara Frontier Intrastate Air Quality Control Region.

The Niagara Frontier Intrastate Air Quality Control Region (New York) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857H(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New York: Erie County, Niagara County.

§81.25   Metropolitan Kansas City Interstate Air Quality Control Region.

The Metropolitan Kansas City Interstate Air Quality Control Region (Missouri-Kansas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of Missouri: Buchanan County, Cass County, Clay County, Jackson County, Platte County, Ray County.

In the State of Kansas: Johnson County, Leavenworth County, Wyandotte County.

§81.26   Hartford-New Haven-Springfield Interstate Air Quality Control Region.

The Hartford-New Haven-Springfield Interstate Air Quality Control Region (Connecticut-Massachusetts) consists of the territorial area encompassed by the boundaries of the following juridictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Connecticut: Cities—Ansonia, Bristol, Derby, Hartford, Meriden, Middletown, Milford, New Britain, New Haven, Shelton, Waterbury, West Haven.

Townships—Andover, Avon, Beacon Falls, Berlin, Bethany, Bethlehem, Bloomfield, Bolton, Branford, Burlington, Canton, Cheshire, Cromwell, Durham, East Granby, East Haddam, East Hampton, East Hartford, East Haven, East Windsor, Ellington, Enfield, Farmington, Glastonbury, Granby, Guilford, Haddam, Hamden, Hebron, Madison, Manchester, Marlborough, Middlebury, Middlefield, Naugatuck, Newington, North Branford, North Haven, Orange, Oxford, Plainville, Plymouth, Portland, Prospect, Rocky Hill, Seymour, Simsbury, Somers, Southbury, Southington, South Windsor, Suffield, Thomaston, Tolland, Vernon, Wallingford, Watertown, West Hartford, Wethersfield, Windsor, Windsor Locks, Wolcott, Woodbridge, Woodbury.

In the State of Massachusetts: Franklin County.

Cities—Chicopee, Holyoke, Northampton, Springfield, Westfield.

Townships—Agawam, Amherst, Belchertown, Blandford, Brimfield, Chester, Chesterfield, Cummington, Easthampton, East Longmeadow, Goshen, Granby, Granville, Hadley, Hampden, Hatfield, Holland, Huntington, Longmeadow, Ludlow, Middlefield, Monson, Montgomery, Palmer, Pelham, Plainfield, Russell, Southampton, Southwick, South Hadley, Tolland, Wales, Ware, Westhampton, West Springfield, Wilbraham, Williamsburg, Worthington.

§81.27   Minneapolis-St. Paul Intrastate Air Quality Control Region.

The Minneapolis-St. Paul Intrastate Air Quality Control Region (Minnesota) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Minnesota: Anoka County, Carver County, Dakota County, Hennepin County, Ramsey County, Scott County, Washington County.

§81.28   Metropolitan Baltimore Intrastate Air Quality Control Region.

The Metropolitan Baltimore Intrastate Air Quality Control Region (Maryland) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maryland: Anne Arundel County, Baltimore City, Baltimore County, Carroll County, Harford County, Howard County.

§81.29   Metropolitan Indianapolis Intrastate Air Quality Control Region.

The Metropolitan Indianapolis Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Indiana: Boone County, Hamilton County, Hancock County, Hendricks County, Johnson County, Marion County, Morgan County, Shelby County.

§81.30   Southeastern Wisconsin Intrastate Air Quality Control Region.

The Metropolitan Milwaukee Intrastate Air Quality Control Region (Wisconsin) has been renamed the Southeastern Wisconsin Intrastate Air Quality Control Region and consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Wisconsin: Kenosha County, Milwaukee County, Ozaukee County, Racine County, Walworth County, Washington County, Waukesha County.

§81.31   Metropolitan Providence Interstate Air Quality Control Region.

The Metropolitan Providence Interstate Air Quality Control Region (Rhode Island-Massachusetts) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

The Entire State of Rhode Island.

In the State of Massachusetts: Cities—Attleboro, Fall River, Acushnet, Barnstable, Bellingham, Berkley, Bourne, Brewster, Carver, Chatham, Chilmark, Dartmouth, Dennis, Dighton, Eastham, Edgartown, Fairhaven, Falmouth, Foxborough, Franklin, Freetown, Gay Head, Gosnold, Halifax, Harwich, Kingston, Lakeville, Mansfield, Marion, Mashpee, New Bedford, Taunton.

Townships—Middleborough, Milford, Nantucket, North Attleborough, Mattapoisett, Medway, Norton, Oak Bluffs, Orleans, Plainville, Plymouth, Plympton, Provincetown, Raynham, Rehoboth, Rochester, Sandwich, Seekonk, Somerset, Swansea, Tisbury, Truro, Wareham, Wellfleet, Westport, West Tisbury, Wrentham, Yarmouth.

§81.32   Puget Sound Intrastate Air Quality Control Region.

The Puget Sound Intrastate Air Quality Control Region (Washington) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Washington: King County, Snohomish County, Pierce County, Kitsap County.

§81.33   Steubenville-Weirton-Wheeling Interstate Air Quality Control Region.

The Steubenville-Weirton-Wheeling Interstate Air Quality Control Region (Ohio-West Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Belmont County, Columbiana County, Jefferson County, Monroe County.

In the State of West Virginia: Brooke County, Hancock County, Marshall County, Ohio County.

§81.34   Metropolitan Dayton Intrastate Air Quality Control Region.

The Metropolitan Dayton Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Clark County, Darke County, Greene County, Miami County, Montgomery County, Preble County.

§81.35   Louisville Interstate Air Quality Control Region.

The Louisville Interstate Air Quality Control Region (Kentucky-Indiana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Jefferson County.

In the State of Indiana: Floyd County, Clark County.

§81.36   Maricopa Intrastate Air Quality Control Region.

The Phoenix-Tucson Intrastate Air Quality Control Region has been renamed the Maricopa Intrastate Air Quality Control Region (Arizona) and has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arizona: Maricopa County.

[45 FR 67347, Oct. 10, 1980]

§81.37   Metropolitan Detroit-Port Huron Intrastate Air Quality Control Region.

The Metropolitan Detroit-Port Huron Intrastate Air Quality Control Region (Michigan) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Michigan: Macomb County, St. Clair County, Oakland County, Wayne County.

§81.38   Metropolitan Houston-Galveston Intrastate Air Quality Control Region.

The Metropolitan Houston-Galveston Intrastate Air Quality Control Region (Texas) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Austin County, Brazoria County, Chambers County, Colorado County, Fort Bend County, Galveston County, Harris County, Liberty County, Matagorda County, Montgomery County, Walker County, Waller County, Wharton County.

[36 FR 22421, Nov. 25, 1971, as amended at 56 FR 37289, Aug. 6, 1991; 62 FR 30272, June 3, 1997]

§81.39   Metropolitan Dallas-Fort Worth Intrastate Air Quality Control Region.

The Metropolitan Dallas-Fort Worth Intrastate Air Quality Control Region (Texas) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Collin County, Cooke County, Dallas County, Denton County, Ellis County, Erath County, Fannin County, Grayson County, Hood County, Hunt County, Johnson County, Kaufman County, Navarro County, Palo Pinto County, Parker County, Rockwall County, Somervell County, Tarrant County, Wise County.

§81.40   Metropolitan San Antonio Intrastate Air Quality Control Region.

The Metropolitan San Antonio Intrastate Air Quality Control Region (Texas) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Atascosa County, Bandera County, Bexar County, Comal County, Dimmit County, Edwards County, Frio County, Gillespie County, Guadalupe County, Karnes County, Kendall County, Kerr County, Kinney County, La Salle County, Maverick County, Medina County, Real County, Uvalde County, Val Verde County, Wilson County, Zavala County.

[36 FR 22421, Nov. 25, 1971, as amended at 62 FR 30272, June 3, 1997]

§81.41   Metropolitan Birmingham Intrastate Air Quality Control Region.

The Metropolitan Birmingham Intrastate Air Quality Control Region (Alabama) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Bibb County, Blount County, Chilton County, Fayette County, Greene County, Hale County, Jefferson County, Lamar County, Pickens County, St. Clair County, Shelby County, Sumter County, Tuscaloosa County, Walker County.

§81.42   Chattanooga Interstate Air Quality Control Region.

The Chattanooga Interstate Air Quality Control Region (Georgia-Tennessee) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Georgia: Bartow County, Catoosa County, Chattooga County, Cherokee County, Dade County, Fannin County, Floyd County, Gilmer County, Gordon County, Haralson County, Murray County, Paulding County, Pickens County, Polk County, Walker County, Whitfield County.

In the State of Tennessee: Hamilton County.

§81.43   Metropolitan Toledo Interstate Air Quality Control Region.

The Metropolitan Toledo Interstate Air Quality Control Region (Ohio-Michigan) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Lucas County, Wood County.

In the State of Michigan: Monroe County.

§81.44   Metropolitan Memphis Interstate Air Quality Control Region.

The Metropolitan Memphis Interstate Air Quality Control Region (Arkansas-Mississippi-Tennessee) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in sec. 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arkansas: Crittenden County.

In the State of Mississippi: De Soto County.

In the State of Tennessee: Shelby County.

§81.45   Metropolitan Atlanta Intrastate Air Quality Control Region.

The Metropolitan Atlanta Intrastate Air Quality Control Region (Georgia) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Georgia: Butts County, Carroll County, Clayton County, Cobb County, Coweta County, De Kalb County, Douglas County, Fayette County, Fulton County, Gwinnett County, Heard County, Henry County, Lamar County, Meriwether County, Pike County, Rockdale County, Spalding County, Troup County, Upson County.

§81.46   U.S. Virgin Islands Air Quality Control Region.

The U.S. Virgin Islands Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

The entire U.S. Virgin Islands.

§81.47   Central Oklahoma Intrastate Air Quality Control Region.

The Metropolitan Oklahoma Intrastate Air Quality Control Region has been renamed the Central Oklahoma Intrastate Air Quality Control Region and consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oklahoma: Canadian County, Cleveland County, Grady County, Lincoln County, Logan County, Kingfisher County, McClain County, Oklahoma County, Pottawatomie County.

§81.48   Champlain Valley Interstate Air Quality Control Region.

The Champlain Valley Interstate Air Quality Control Region (Vermont-New York) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Vermont: Addison County, Chittenden County, Franklin County, Grand Isle County, Rutland County.

In the State of New York: Clinton County, Essex County, Franklin County, Hamilton County, St. Lawrence County, Warren County, Washington County.

§81.49   Southeast Florida Intrastate Air Quality Control Region.

The Southeast Florida Intrastate Air Quality Control Region is redesignated to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Florida: Broward County, Dade County, Indian River County, Martin County, Monroe County, Okeechobee County, Palm Beach County, St. Lucie County.

§81.50   Metropolitan Omaha-Council Bluffs Interstate Air Quality Control Region.

The Metropolitan Omaha-Council Bluffs Interstate Air Quality Control Region (Nebraska-Iowa) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Nebraska: Douglas County, Sarpy County.

In the State of Iowa: Pottawattamie County.

§81.51   Portland Interstate Air Quality Control Region.

The Portland Interstate Air Quality Control Region (Oregon-Washington) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oregon: Benton County, Clackamas County, Columbia County, Lane County, Linn County, Marion County, Multnomah County, Polk County, Washington County, Yamhill County.

In the State of Washington: Clark County, Cowlitz County, Lewis County, Skamania County, Wahkiakum County.

Note: For purposes of identification, the Portland Interstate Air Quality Control Region (Oregon-Washington) will be referred to by Washington authorities as the Portland (Oregon)-Southwest Washington Interstate Air Quality Control Region.

§81.52   Wasatch Front Intrastate Air Quality Control Region.

The Wasatch Front Intrastate Air Quality Control Region (Utah) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Utah: Davis County, Salt Lake County, Tooele County, Utah County, Weber County.

§81.53   Southern Louisiana-Southeast Texas Interstate Air Quality Control Region.

The Southern Louisiana-Southwest Texas Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857(h)(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Louisiana: Acadia Parish, Allen Parish, Ascension Parish, Assumption Parish, Beauregard Parish, Calcasieu Parish, Cameron Parish, East Baton Rouge Parish, East Feliciana Parish, Evangeline Parish, Iberia Parish, Iberville Parish, Jefferson Davis Parish, Jefferson Parish, Lafayette Parish, Lafourche Parish, Livingston Parish, Orleans Parish, Plaquemines Parish, Pointe Coupee Parish, St. Bernard Parish, St. Charles Parish, St. Helena Parish, St. James Parish, St. John the Baptist Parish, St. Landry Parish, St. Martin Parish, St. Mary Parish, St. Tammany Parish, Tangipahoa Parish, Terrebonne Parish, Vermilion Parish, Washington Parish, West Baton Rouge Parish, West Feliciana Parish.

In the State of Texas: Angelina County, Hardin County, Houston County, Jasper County, Jefferson County, Nacogdoches County, Newton County, Orange County, Polk County, Sabine County, San Augustine County, San Jacinto County, Shelby County, Trinity County, Tyler County.

[36 FR 22421, Nov. 25, 1971, as amended at 56 FR 37289, Aug. 6, 1991; 62 FR 30272, June 3, 1997; 67 FR 57334, Sept. 10, 2002]

§81.54   Cook Inlet Intrastate Air Quality Control Region.

The Cook Inlet Intrastate Air Quality Control Region (Alaska) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alaska: Greater Anchorage Area Borough, Kenai Peninsula Borough, Matanuska-Susitna Borough.

§81.55   Northeast Pennsylvania-Upper Delaware Valley Interstate Air Quality Control Region.

The Northeast Pennsylvania-Upper Delaware Valley Interstate Air Quality Control Region (Pennsylvania-New Jersey) is redesignated to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Pennsylvania: Berks County, Bradford County, Carbon County, Lackawanna County, Lehigh County, Luzerne County, Monroe County, Northampton County, Pike County, Schuylkill County, Sullivan County, Susquehanna County, Tioga County, Wayne County, Wyoming County.

In the State of New Jersey: Hunterdon County, Sussex County, Warren County.

§81.57   Eastern Tennessee-Southwestern Virginia Interstate Air Quality Control Region.

The Bristol (Virginia)-Johnson City (Tennessee) Interstate Air Quality Control Region has been renamed the Eastern Tennessee-Southwestern Virginia Interstate Air Quality Control Region and revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Tennessee: Anderson County, Blount County, Bradley County, Campbell County, Carter County, Claiborne County, Cocke County, Grainger County, Greene County, Hamblen County, Hancock County, Hawkins County, Jefferson County, Johnson County, Knox County, Loudon County, McMinn County, Meigs County, Monroe County, Polk County, Rhea County, Roane County, Sevier County, Sullivan County, Unicoi County, Union County, Washington County.

In the State of Virginia: Bland County, Bristol City, Buchanan County, Carroll County, Dickenson County, Galax City, Grayson County, Lee County, Norton City, Russell County, Scott County, Smyth County, Tazewell County, Washington County, Wise County, Wythe County.

§81.58   Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region.

The Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Autauga County, Bullock County, Butler County, Crenshaw County, Elmore County, Lee County, Lowndes County, Macon County, Montgomery County, Pike County, Russell County.

In the State of Georgia: Chattahoochee County, Dooly County, Harris County, Marion County, Muscogee County, Quitman County, Schley County, Stewart County, Sumter County, Talbot County, Taylor County, Webster County.

§81.59   Cumberland-Keyser Interstate Air Quality Control Region.

The Cumberland-Keyser Interstate Air Quality Control Region (Maryland-West Virginia) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maryland: Allegany County, Garrett County, Washington County.

In the State of West Virginia: In Grant County: Union Magisterial District.

In Mineral County: Elk Magisterial District, New Creek Magisterial District, Piedmont Magisterial District.

§81.60   Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region.

The Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Minnesota: Aitkin County, Carlton County, Cook County, Itasca County, Koochiching County, Lake County, St. Louis County.

In the State of Wisconsin: Ashland County, Bayfield County, Burnett County, Douglas County, Iron County, Price County, Rusk County, Sawyer County, Taylor County, Washburn County.

§81.61   Evansville (Indiana)-Owensboro-Henderson (Kentucky) Interstate Air Quality Control Region.

The Evansville (Indiana)-Owensboro-Henderson (Kentucky) Interstate Air Quality Control Region is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Daviess County, Hancock County, Henderson County, McLean County, Ohio County, Union County, Webster County.

In the State of Indiana: Dubois County, Gibson County, Perry County, Pike County, Posey County, Spencer County, Vanderburgh County, Warrick County.

§81.62   Northeast Mississippi Intrastate Air Quality Control Region.

The Alabama-Mississippi-Tennessee Interstate Air Quality Control Region has been renamed the Northeast Mississippi Intrastate Air Quality Control Region and revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Mississippi: Alcorn County, Attala County, Benton County, Calhoun County, Carroll County, Chickasaw County, Choctaw County, Clay County, Grenada County, Holmes County, Itawamba County, Kemper County, Lafayette County, Leake County, Lee County, Lowndes County, Marshall County, Monroe County, Montgomery County, Neshoba County, Noxubee County, Oktibbeha County, Panola County, Pontotoc County, Prentiss County, Tate County, Tippah County, Tishomingo County, Union County, Webster County, Winston County, Yalobusha County.

§81.63   Metropolitan Fort Smith Interstate Air Quality Control Region.

The Metropolitan Fort Smith Interstate Air Quality Control Region (Arkansas-Oklahoma) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arkansas: Benton County, Crawford County, Sebastian County, Washington County.

In the State of Oklahoma: Adair County, Cherokee County, Le Flore County, Sequoyah County.

§81.64   Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate Air Quality Control Region.

The Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate Air Quality Control Region is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions of described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Bath County, Boyd County, Bracken County, Carter County, Elliott County, Fleming County, Greenup County, Lawrence County, Lewis County, Mason County, Menifee County, Montgomery County, Morgan County, Robertson County, Rowan County.

In the State of Ohio: Adams County, Brown County, Gallia County, Lawrence County, Scioto County.

In the State of West Virginia: Cabell County, Mason County, Wayne County.

§81.65   Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region.

The Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region, designated on December 8, 1970, and consisting of the counties of Barton, Jasper, McDonald, and Newton in the State of Missouri and Craig, Delaware, and Ottawa in the State of Oklahoma, is revoked effective upon publication.

§81.66   Southeast Minnesota-La Crosse (Wisconsin) Interstate Air Quality Control Region.

The Southeast Minnesota-La Crosse (Wisconsin) Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857m(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Minnesota: Blue Earth County, Brown County, Dodge County, Fairbault County, Fillmore County, Freeborn County, Goodhue County, Houston County, Le Sueur County, Martin County, Mower County, Nicollet County, Olmsted County, Rice County, Sibley County, Steele County, Wabasha County, Waseca County, Watonwan County, Winona County.

In the State of Wisconsin: Barron County, Buffalo County, Chippewa County, Clark County, Crawford County, Dunn County, Eau Claire County, Jackson County, La Crosse County, Monroe County, Pepin County, Pierce County, Polk County, St. Croix County, Trempealeau County, Vernon County.

§81.67   Lake Michigan Intrastate Air Quality Control Region.

The Menominee-Escanaba (Michigan)-Marinette (Wisconsin) Interstate Air Quality Control Region has been renamed the Lake Michigan Intrastate Air Quality Control Region (Wisconsin) and revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Wisconsin: Brown County, Calumet County, Door County, Fond du Lac County, Green Lake County, Kewaunee County, Manitowoc County, Marinette County, Marquette County, Menominee County, Oconto County, Outagamie County, Shawano County, Sheboygan County, Waupaca County, Waushara County, Winnebago County.

§81.68   Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate Air Quality Control Region.

The Mobile (Alabama)-Pensacola-Panama City (Florida)-Gulfport (Mississippi) Interstate Air Quality Control Region has been renamed the Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate Air Quality Control Region and revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Baldwin County, Escambia County, Mobile County.

In the State of Florida: Bay County, Calhoun County, Escambia County, Gulf County, Holmes County, Jackson County, Okaloosa County, Santa Rosa County, Walton County, Washington County.

In the State of Mississippi: Adams County, Amite County, Clairborne County, Clarke County, Copiah County, Covington County, Forrest County, Franklin County, George County, Greene County, Hancock County, Harrison County, Hinds County, Jackson County, Jasper County, Jefferson County, Jefferson Davis County, Jones County, Lamar County, Lauderdale County, Lawrence County, Lincoln County, Madison County, Marion County, Newton County, Pearl River County, Perry County, Pike County, Rankin County, Scott County, Simpson County, Smith County, Stone County, Walthall County, Warren County, Wayne County, Wilkinson County.

§81.69   Paducah (Kentucky)-Cairo (Illinois) Interstate Air Quality Control Region.

The Paducah (Kentucky)-Cairo (Illinois) Interstate Air Quality Control Region is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Alexander County, Johnson County, Massac County, Pope County, Pulaski County, Union County.

In the State of Kentucky: Ballard County, Caldwell County, Calloway County, Carlisle County, Christian County, Crittenden County, Fulton County, Graves County, Hickman County, Hopkins County, Livingston County, Lyon County, Marshall County, McCracken County, Muhlenberg County, Todd County, Trigg County.

§81.70   Parkersburg (West Virginia)-Marietta (Ohio) Interstate Air Quality Control Region.

The Parkersburg (West Virginia)-Marietta (Ohio) Interstate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of West Virginia: Jackson County, Pleasants County, Tyler County, Wetzel County, Wood County.

In the State of Ohio: Athens County, Meigs County, Morgan County, Washington County.

§81.71   Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region.

The Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Boone County, De Kalb County, Ogle County, Stephenson County, Winnebago County.

In the State of Wisconsin: Rock County.

§81.72   Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate Air Quality Control Region.

The Scottsboro (Alabama)-Jasper (Tennessee) Interstate Air Quality Control Region has been renamed the Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate Air Quality Control Region and revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1875h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Colbert County, Cullman County, De Kalb County, Franklin County, Jackson County, Lauderdale County, Lawrence County, Limestone County, Madison County, Marion County, Marshall County, Morgan County, Winston County.

In the State of Tennessee: Bledsoe County, Coffee County, Cumberland County, Fentress County, Franklin County, Grundy County, Marion County, Morgan County, Overton County, Pickett County, Putnam County, Scott County, Sequatchie County, Warren County, White County, Van Buren County.

§81.73   South Bend-Elkhart (Indiana)-Benton Harbor (Michigan) Interstate Air Quality Control Region.

The South Bend-Elkhart (Indiana)-Benton Harbor (Michigan) Interstate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Indiana: Elkhart County, Kosciusko County, La Porte County, Marshall County, St. Joseph County.

In the State of Michigan: Berrien County, Cass County, Van Buren County.

§81.74   Northwest Pennsylvania-Youngstown Interstate Air Quality Control Region.

The Northwest Pennsylvania-Youngstown Interstate Air Quality Control Region (Pennsylvania-Ohio) is redesignated to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Ashtabula County, Mahoning County, Trumbull County.

In the State of Pennsylvania: Cameron County, Clarion County, Clearfield County, Crawford County, Elk County, Erie County, Forest County, Jefferson County, Lawrence County, McKean County, Mercer County, Potter County, Venango County, Warren County.

§81.75   Metropolitan Charlotte Interstate Air Quality Control Region.

The Metropolitan Charlotte Interstate Air Quality Control Region (North Carolina-South Carolina) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Carolina: Cabarrus County, Gaston County, Iredell County, Lincoln County, Mecklenburg County, Rowan County, Stanly County, Union County.

In the State of South Carolina: Chester County, Lancaster County, Union County, York County.

§81.76   State of Hawaii Air Quality Control Region.

The State of Hawaii Air Quality Control Region consists of the territorial area encompassed by the outermost boundaries of the State of Hawaii (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited).

§81.77   Puerto Rico Air Quality Control Region.

The Puerto Rico Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

The entire Commonwealth of Puerto Rico: Puerto Rico and surrounding islands, Vieques and surrounding islands, Culebra and surrounding islands.

§81.78   Metropolitan Portland Intrastate Air Quality Control Region.

The Metropolitan Portland Intrastate Air Quality Control Region (Maine) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maine: Counties—Cumberland, Sagadahoc, York.

Towns—Brownfield, Denmark, Fryeburg, Hiram, Porter.

§81.79   Northeastern Oklahoma Intrastate Air Quality Control Region.

The Metropolitan Tulsa Intrastate Air Quality Control Region has been renamed the Northeastern Oklahoma Intrastate Air Quality Control Region and revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oklahoma: Craig County, Creek County, Delaware County, Mayes County, Muskogee County, Nowata County, Okmulgee County, Osage County, Ottawa County, Pawnee County, Rogers County, Tulsa County, Wagoner County, Washington County.

§81.80   Las Vegas Intrastate Air Quality Control Region.

The Las Vegas Intrastate Air Quality Control Region (Nevada) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdiction or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 7602(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Nevada: Clark County.

[45 FR 7545, Feb. 4, 1980]

§81.81   Merrimack Valley-Southern New Hampshire Interstate Air Quality Control Region.

The Merrimack Valley Southern New Hampshire Interstate Air Quality Control Region (Massachusetts-New Hampshire) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Massachusetts: In Essex County, the towns of—Andover, Amesbury, Boxford, Georgetown, Groveland, Haverhill, Lawrence, Merrimac, Methuen, Newbury, Newburyport, North Andover, Rowley, Salisbury, West Newbury.

In Middlesex County, the towns of—Ayer, Billerica, Carlisle, Chelmsford, Dracut, Dunstable, Groton, Littleton, Lowell, Pepperell, Tewksbury, Tyngsborough, Westford.

In the State of New Hampshire: The counties of—Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan.

§81.82   El Paso-Las Cruces-Alamogordo Interstate Air Quality Control Region.

The El Paso-Las Cruces-Alamogordo Interstate Air Quality Control Region (New Mexico-Texas) is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Brewster County, Culberson County, El Paso County, Hudspeth County, Jeff Davis County, Presidio County.

In the State of New Mexico: Dona Ana County, Lincoln County, Otero County, Sierra County.

§81.83   Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region.

The Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region (New Mexico) is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New Mexico: Bernalillo County.

Those portions of Sandoval County lying east of the Continental Divide:

Those portions of Valencia County lying east of a line described as follows: Starting at the point at which the south boundary of Bernalillo County intersects with the section line between secs. 1 and 2 T. 7 N., R. 2 W.; thence south to the southern boundary of the Laguna Indian Reservation between secs. 35 and 36 T. 7 N., R. 2 W.; then southerly on section lines to the Socorro-Valencia County line at secs. 11, 12, 13, and 14, T. 5 N., R. 2 W.

§81.84   Metropolitan Fargo-Moorhead Interstate Air Quality Control Region.

The Metropolitan Fargo-Moorhead Interstate Air Quality Control Region (North Dakota-Minnesota) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Dakota: Cass County.

In the State of Minnesota: Clay County.

§81.85   Metropolitan Sioux Falls Interstate Air Quality Control Region.

The Metropolitan Sioux Falls Interstate Air Quality Control Region (Iowa-South Dakota) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Lyon County.

In the State of South Dakota: Lincoln County, McCook County, Minnehaha County, Turner County.

Note: For purposes of identification, this Region is referred to by Minnesota authorities as follows:

Sec.

481.60   Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region: Northeast Minnesota Region.

For purposes of identification, these Regions are referred to by Wisconsin authorities as follows:

481.60   Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region: Northwestern Wisconsin Region.

481.66   Southeast Minnesota-La Crosse (Wisconsin) Interstate Air Quality Control Region: West Central Wisconsin Region.

§81.86   Metropolitan Sioux City Interstate Air Quality Control Region.

The Metropolitan Sioux City Interstate Air Quality Control Region (Iowa-Nebraska-South Dakota) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42, U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Plymouth County, Sioux County, Woodbury County.

In the State of Nebraska: Dakota County.

In the State of South Dakota: Union County.

§81.87   Metropolitan Boise Intrastate Air Quality Control Region.

The Metropolitan Boise Intrastate Air Quality Control Region (Idaho) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Idaho: Ada County, Canyon County.

§81.88   Billings Intrastate Air Quality Control Region.

The Metropolitan Billings Intrastate Air Quality Control Region (Montana) has been renamed the Billings Intrastate Air Quality Control Region and consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Montana: Big Horn County, Carbon County, Fergus County, Golden Valley County, Judith Basin County, Musselshell County, Petroleum County, Stillwater County, Sweet Grass County, Wheatland County, Yellowstone County.

(Sec. 301(a), 81 Stat. 490, 504; 42 U.S.C. 1857g(a) as amended by sec. 15(c)(2) of Pub. L. 91-604)

Note: For purposes of identification, the Regions are referred to by Montana authorities as follows:

Sec.

481.168   Great Falls Intrastate Air Quality Control Region: Region II.

481.169   Helena Intrastate Air Quality Control Region: Region IV.

481.170   Miles City Intrastate Air Quality Control Region: Region III.

481.171   Missoula Intrastate Air Quality Control Region: Region I.

481.88   Billings Intrastate Air Quality Control Region: Region V.

§81.89   Metropolitan Cheyenne Intrastate Air Quality Control Region.

The Metropolitan Cheyenne Intrastate Air Quality Control Region (Wyoming) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Wyoming: Albany County, Goshen County, Laramie County, Platte County.

§81.90   Androscoggin Valley Interstate Air Quality Control Region.

The Androscoggin Valley Interstate Air Quality Control Region (Maine-New Hampshire) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the areas so delimited):

In the State of Maine: Androscoggin County, Kennebec County, Knox County, Lincoln County, Waldo County.

In the County of Franklin: Avon Town, Carthage Town, Chesterville Town, Farmington Town, Freeman Township, Industry Town, Jay Town, New Sharron Town, New Vineyard Town, Perkins Township, Phillips Town, Salem Township, Strong Town, Temple Town, Township No. 6, Washington Township, Weld Town, Wilton Town.

In the County of Oxford: Albany Township, Andover Town, Andover North Surplus, Andover West Surplus, Batchelders Grant, Bethel Town, Buckfield Town, Byron Town, Canton Town, Dixfield Town, Gilead Town, Grafton Township, Greenwood Town, Hanover Town, Hartford Town, Hebron Town, Lovell Town, Mason Township, Mexico Town, Milton Township, Newry Town, Norway Town, Oxford Town, Paris Town, Peru Town, Riley Township, Roxbury Town, Rumford Town, Stoneham Town, Stow Town, Sumner Town, Sweden Town, Waterford Town, West Paris Town, Woodstock Town.

Somerset County—That portion of Somerset County which lies south and east of a line described as follows: Beginning at the point where the Somerset-Franklin County boundary is intersected by a line common to the northern boundary of New Portland Township and running northeast along the northern boundaries of New Portland, Embden, Solon, and Athens Townships to the intersection of said line with the Somerset-Piscataquis County boundary, which is also common to the northeast corner of Athens Township.

In the State of New Hampshire: Cass County.

§81.91   Jacksonville (Florida)-Brunswick (Georgia) Interstate Air Quality Control Region.

The Jacksonville (Florida)-Brunswick (Georgia) Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Florida: Alachua County, Baker County, Bradford County, Clay County, Columbia County, Dixie County, Duval County, Flagler County, Franklin County, Gadsden County, Gilchrist County, Hamilton County, Jefferson County, Lafayette County, Leon County, Liberty County, Madison County, Marion County, Nassau County, Putnam County, St. Johns County, Suwannee County, Taylor County, Union County, Wakulla County.

In the State of Georgia: Appling County, Atkinson County, Bacon County, Brantley County, Camden County, Charlton County, Clinch County, Coffee County, Glynn County, Long County, McIntosh County, Pierce County, Ware County, Wayne County.

§81.92   Monroe (Louisiana)—El Dorado (Arkansas) Interstate Air Quality Control Region.

The Monroe (Louisiana)—El Dorado (Arkansas) Interstate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Louisiana: Caldwell Parish, Catahoula Parish, Concordia Parish, East Carroll Parish, Franklin Parish, Grant Parish, La Salle Parish, Madison Parish, Morehouse Parish, Ouachita Parish, Richland Parish, Tensas Parish, Union Parish, West Carroll Parish.

In the State of Arkansas: Ashley County, Bradley County, Calhoun County, Nevada County, Ouachita County, Union County.

[36 FR 22421, Nov. 25, 1971, as amended at 67 FR 57335, Sept. 10, 2002]

§81.93   Hampton Roads Intrastate Air Quality Control Region.

The Metropolitan Norfolk Intrastate Air Quality Control Region (Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Virginia:

Counties—Isle of Wight, James City, Nansemond, Southampton, York.

Cities—Chesapeake, Franklin, Hampton, Newport News, Norfolk, Portsmouth, Suffolk, Virginia Beach, Williamsburg.

§81.94   Shreveport-Texarkana-Tyler Interstate Air Quality Control Region.

The Shreveport-Texarkana-Tyler Interstate Air Quality Control Region (Arkansas-Louisiana-Oklahoma-Texas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arkansas: Columbia County, Hempstead County, Howard County, Lafayette County, Little River County, Miller County, Sevier County.

In the State of Louisiana: Avoyelles Parish, Bienville Parish, Bossier Parish, Caddo Parish, Claiborne Parish, De Soto Parish, Jackson Parish, Lincoln Parish, Natchitoches Parish, Rapides Parish, Red River Parish, Sabine Parish, Vernon Parish, Webster Parish, Winn Parish.

In the State of Oklahoma: McCurtain County.

In the State of Texas: Anderson County, Bowie County, Camp County, Cass County, Cherokee County, Delta County, Franklin County, Gregg County, Harrison County, Henderson County, Hopkins County, Lamar County, Marion County, Morris County, Panola County, Rains County, Red River County, Rusk County, Smith County, Titus County, Upshur County, Van Zandt County, Wood County.

[36 FR 22421, Nov. 25, 1971, as amended at 67 FR 57335, Sept. 10, 2002]

§81.95   Central Florida Intrastate Air Quality Control Region.

The Central Florida Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Florida: Brevard County, Lake County, Orange County, Osceola County, Seminole County, Volusia County.

§81.96   West Central Florida Intrastate Air Quality Control Region.

The West Central Florida Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Florida: Citrus County, Hardee County, Hernando County, Hillsborough County, Levy County, Manatee County, Pasco County, Pinellas County, Polk County, Sumter County.

§81.97   Southwest Florida Intrastate Air Quality Control Region.

The Southwest Florida Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Florida: Charlotte County, Collier County, De Soto County, Glades County, Hendry County, Highlands County, Lee County, Sarasota County.

§81.98   Burlington-Keokuk Interstate Air Quality Control Region.

The Burlington-Keokuk Interstate Air Quality Control Region (Illinois-Iowa) is revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Fulton County, Hancock County, Henderson County, Knox County, McDonough County, Mason County, Peoria County, Tazewell County, Warren County, Woodford County.

In the State of Iowa: Des Moines County, Lee County.

Note: For purposes of identification, the regions are referred to by Illinois authorities as follows:

Sec.

481.14   Metropolitan Chicago Interstate Air Quality Control Region: Region III.

481.262   North Central Illinois Intrastate Air Quality Control Region: Region V.

481.98   Burlington-Keokuk Interstate Air Quality Control Region: Region VI.

481.263   East Central Illinois Intrastate Air Quality Control Region: Region VII.

481.264   West Central Illinois Intrastate Air Quality Control Region: Region VIII.

481.18   Metropolitan St. Louis Interstate Air Quality Control Region: Region IX.

481.265   Southeast Illinois Intrastate Air Quality Control Region: Region X.

481.69   Paducah-Cairo Interstate Air Quality Control Region: Region XI.

§81.99   New Mexico Southern Border Intrastate Air Quality Control Region.

The Arizona-New Mexico Southern Border Interstate Air Quality Control Region has been renamed the New Mexico Southern Border Intrastate Air Quality Control Region and has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New Mexico: Grant County, Hidalgo County, Luna County.

[45 FR 67347, Oct. 10, 1980]

§81.100   Eastern Washington-Northern Idaho Interstate Air Quality Control Region.

The Eastern Washington-Northern Idaho Interstate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Idaho: Benewah County, Kootenai County, Latah County, Nez Perce County, Shoshone County.

In the State of Washington: Adams County, Asotin County, Columbia County, Garfield County, Grant County, Lincoln County, Spokane County, Whitman County.

§81.101   Metropolitan Dubuque Interstate Air Quality Control Region.

The Metropolitan Dubuque Interstate Air Quality Control Region (Illinois-Iowa-Wisconsin) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Jo Daviess County.

In the State of Iowa: Clayton County, Dubuque County, Jackson County.

In the State of Wisconsin: Grant County.

§81.102   Metropolitan Quad Cities Interstate Air Quality Control Region.

The Metropolitan Quad Cities Interstate Air Quality Control Region (Illinois-Iowa) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Carroll County, Henry County, Mercer County, Rock Island County, Whiteside County.

In the State of Iowa: Clinton County, Louisa County, Muscatine County, Scott County.

§81.104   Central Pennsylvania Intrastate Air Quality Control Region.

The Central Pennsylvania Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Pennsylvania: Bedford County, Blair County, Cambria County, Centre County, Clinton County, Columbia County, Fulton County, Huntingdon County, Juniata County, Lycoming County, Mifflin County, Montour County, Northumberland County, Snyder County, Somerset County, Union County.

§81.105   South Central Pennsylvania Intrastate Air Quality Control Region.

The South Central Pennsylvania Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of Pennsylvania: Adams County, Cumberland County, Dauphin County, Franklin County, Lancaster County, Lebanon County, Perry County, York County.

§81.106   Greenville-Spartanburg Intrastate Air Quality Control Region.

The Greenville-Spartanburg Intrastate Air Quality Control Region (South Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Anderson County, Cherokee County, Greenville County, Oconee County, Pickens County, Spartanburg County.

§81.107   Greenwood Intrastate Air Quality Control Region.

The Greenwood Intrastate Air Quality Control Region (South Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Abbeville County, Edgefield County, Greenwood County, Laurens County, McCormick County, Saluda County.

§81.108   Columbia Intrastate Air Quality Control Region.

The Columbia Intrastate Air Quality Control Region (South Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Fairfield County, Lexington County, Newberry County, Richland County.

§81.109   Florence Intrastate Air Quality Control Region.

The Florence Intrastate Air Quality Control Region (South Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Chesterfield County, Darlington County, Dillon County, Florence County, Marion County, Marlboro County.

§81.110   Camden-Sumter Intrastate Air Quality Control Region.

The Camden-Sumter Intrastate Air Quality Control Region (South Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Clarendon County, Kershaw County, Lee County, Sumter County.

§81.111   Georgetown Intrastate Air Quality Control Region.

The Georgetown Intrastate Air Quality Control Region (South Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Georgetown County, Horry County, Williamsburg County.

§81.112   Charleston Intrastate Air Quality Control Region.

The Charleston Intrastate Air Quality Control Region (South Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Berkeley County, Charleston County, Dorchester County.

Note: For purposes of identification, the regions are referred to by South Carolina authorities as follows:

Sec.

81.106   Greenville-Spartanburg Intrastate Air Quality Control Region: Region 1.

81.107   Greenwood Intrastate Air Quality Control Region: Region 2.

81.108   Columbia Intrastate Air Quality Control Region: Region 4.

81.109   Florence Intrastate Air Quality Control Region: Region 7.

81.110   Camden-Sumter Intrastate Air Quality Control Region: Region 6.

81.111   Georgetown Intrastate Air Quality Control Region: Region 8.

81.112   Charleston Intrastate Air Quality Control Region: Region 9.

§81.113   Savannah (Georgia)-Beaufort (South Carolina) Interstate Air Quality Control Region.

The Savannah (Georgia)-Beaufort (South Carolina) Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Carolina: Beaufort County, Colleton County, Hampton County, Jasper County.

In the State of Georgia: Bryan County, Bulloch County, Candler County, Chatham County, Effingham County, Evans County, Liberty County, Tattnall County.

§81.114   Augusta (Georgia)-Aiken (South Carolina) Interstate Air Quality Control Region.

The Augusta (Georgia)-Aiken (South Carolina) Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Georgia: Burke County, Columbia County, Emanuel County, Glascock County, Jefferson County, Jenkins County, Lincoln County, McDuffle County, Richmond County, Screven County, Taliaferro County, Warren County, Wilkes County.

In the State of South Carolina: Aiken County, Allendale County, Bamberg County, Barnwell County, Calhoun County, Orangeburg County.

Note: For identification purposes, the Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region is referred to by Alabama authorities as the Alabama State Capital-Columbus (Georgia) Interstate Air Quality Control Region.

§81.115   Northwest Nevada Intrastate Air Quality Control Region.

The Northwest Nevada Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Nevada: Carson City, Douglas County, Lyon County, Storey County, Washoe County.

§81.116   Northern Missouri Intrastate Air Quality Control Region.

The Northern Missouri Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Missouri: Adair County, Andrew County, Atchison County, Audrain County, Boone County, Caldwell County, Callaway County, Carroll County, Chariton County, Clark County, Clinton County, Cole County, Cooper County, Daviess County, De Kalb County, Gentry County, Grundy County, Harrison County, Holt County, Howard County, Knox County, Lewis County, Lincoln County, Linn County, Livingston County, Macon County, Marion County, Mercer County, Moniteau County, Monroe County, Montgomery County, Nodaway County, Osage County, Pike County, Putnam County, Ralls County, Randolph County, Saline County, Schuyler County, Scotland County, Shelby County, Sullivan County, Warren County, Worth County.

§81.117   Southeast Missouri Intrastate Air Quality Control Region.

The Southeast Missouri Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Missouri: Bolinger County, Butler County, Cape Girardeau County, Carter County, Crawford County, Dent County, Dunklin County, Gasconade County, Iron County, Madison County, Maries County, Mississippi County, New Madrid County, Pemiscot County, Perry County, Phelps County, Reynolds County, Ripley County, St. Francois County, Ste. Genevieve County, Scott County, Stoddard County, Washington County, Wayne County.

§81.118   Southwest Missouri Intrastate Air Quality Control Region.

The Southwest Missouri Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Missouri: Barton County, Barry County, Bates County, Benton County, Camden County, Cedar County, Christian County, Dade County, Dallas County, Douglas County, Greene County, Henry County, Hickory County, Howell County, Jasper County, Johnson County, Laclede County, Lafayette County, Lawrence County, McDonald County, Miller County, Morgan County, Newton County, Oregon County, Ozark County, Pettis County, Polk County, Pulaski County, St. Clair County, Shannon County, Stone County, Taney County, Texas County, Vernon County, Webster County, Wright County.

§81.119   Western Tennessee Intrastate Air Quality Control Region.

The Western Tennessee Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Tennessee: Benton County, Carroll County, Chester County, Crockett County, Decatur County, Dyer County, Fayette County, Gibson County, Hardeman County, Hardin County, Haywood County, Henderson County, Henry County, Lake County, Lauderdale County, McNairy County, Madison County, Obion County, Tipton County, Weakley County.

§81.120   Middle Tennessee Intrastate Air Quality Control Region.

The Middle Tennessee Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Tennessee: Bedford County, Cannon County, Cheatham County, Clay County, Davidson County, DeKalb County, Dickson County, Giles County, Hickman County, Houston County, Humphreys County, Jackson County, Lawrence County, Lewis County, Lincoln County, Macon County, Marshall County, Maury County, Montgomery County, Moore County, Perry County, Robertson County, Rutherford County, Smith County, Stewart County, Sumner County, Trousdale County, Wayne County, Williamson County, Wilson County.

§81.121   Four Corners Interstate Air Quality Control Region.

The Four Corners Interstate Air Quality Control Region (Colorado-New Mexico-Utah) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Archuleta County, Dolores County, La Plata County, Montezuma County, San Juan County.

In the State of New Mexico: San Juan County (in its entirety); Rio Arriba County (that portion lying west (Pacific slope) of the Continental Divide, and all portions of the Jicarilla Apache Indian Reservation lying east (Atlantic slope) of the Continental Divide); Sandoval County (that portion lying west (Pacific slope) of the Continental Divide, and all portions of the Jicarilla Apache Indian Reservation lying east (Atlantic slope) of the Continental Divide); McKinley County (that portion lying west (Pacific slope) of the Continental Divide); Valencia County (that portion lying within the Zuni and Ramah Navajo Indian Reservations).

In the State of Utah: Emery County, Garfield County, Grand County, Iron County, Kane County, San Juan County, Washington County, Wayne County.

[45 FR 67347, Oct. 10, 1980]

§81.122   Mississippi Delta Intrastate Air Quality Control Region.

The Mississippi Delta Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Mississippi: Bolivar County, Coahoma County, Humphreys County, Issaquena County, Leflore County, Quitman County, Sharkey County, Sunflower County, Tallahatchie County, Tunica County, Washington County, Yazoo County.

§81.123   Southeastern Oklahoma Intrastate Air Quality Control Region.

The Southeastern Oklahoma Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oklahoma: Atoka County, Bryan County, Carter County, Choctaw County, Coal County, Garvin County, Haskell County, Hughes County, Johnston County, Latimer County, Love County, McIntosh County, Marshall County, Murray County, Okfuskee County, Pittsburg County, Pontotoc County, Pushmataha County, Seminole County.

§81.124   North Central Oklahoma Intrastate Air Quality Control Region.

The North Central Oklahoma Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oklahoma: Garfield County, Grant County, Kay County, Noble County, Payne County.

§81.125   Southwestern Oklahoma Intrastate Air Quality Control Region.

The Southwestern Oklahoma Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oklahoma: Beckham County, Caddo County, Comanche County, Cotton County, Greer County, Harmon County, Jackson County, Jefferson County, Kiowa County, Stephens County, Tillman County, Washita County.

§81.126   Northwestern Oklahoma Intrastate Air Quality Control Region.

The Northwestern Oklahoma Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oklahoma: Alfalfa County, Beaver County, Blaine County, Cimarron County, Custer County, Dewey County, Ellis County, Harper County, Major County, Roger Mills County, Texas County, Woods County, Woodward County.

§81.127   Central New York Intrastate Air Quality Control Region.

The Central New York Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New York: Cayuga County, Cortland County, Herkimer County, Jefferson County, Lewis County, Madison County, Oneida County, Onondaga County, Oswego County.

§81.128   Genesee-Finger Lakes Intrastate Air Quality Control Region.

The Genesee-Finger Lakes Intrastate Air Quality Control Region (New York) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New York: Genesee County, Livingston County, Monroe County, Ontario County, Orleans County, Seneca County, Wayne County, Wyoming County, Yates County.

§81.129   Hudson Valley Intrastate Air Quality Control Region.

The Hudson Valley Intrastate Air Quality Control Region (New York) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New York: Albany County, Columbia County, Dutchess County, Fulton County, Greene County, Montgomery County, Orange County, Putnam County, Rensselaer County, Saratoga County, Schenectady County, Schoharie County, Ulster County.

§81.130   Southern Tier East Intrastate Air Quality Control Region.

The Southern Tier East Intrastate Air Quality Control Region (New York) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New York: Broome County, Chenango County, Delaware County, Otsego County, Sullivan County, Tioga County.

§81.131   Southern Tier West Intrastate Air Quality Control Region.

The Southern Tier West Intrastate Air Quality Control Region (New York) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New York: Allegany County, Cattaraugus County, Chautauqua County, Chemung County, Schuyler County, Steuben County, Tompkins County.

§81.132   Abilene-Wichita Falls Intrastate Air Quality Control Region.

The Abilene-Wichita Falls Intrastate Air Quality Control Region (Texas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Archer County, Baylor County, Brown County, Callahan County, Clay County, Coleman County, Comanche County, Cottle County, Eastland County, Fisher County, Foard County, Hardeman County, Haskell County, Jack County, Jones County, Kent County, Knox County, Mitchell County, Montague County, Nolan County, Runnels County, Scurry County, Shackelford County, Stephens County, Stonewall County, Taylor County, Throckmorton County, Wichita County, Wilbarger County, Young County.

[36 FR 22421, Nov. 25, 1971, as amended at 56 FR 37289, Aug. 6, 1991; 62 FR 30272, June 3, 1997]

§81.133   Amarillo-Lubbock Intrastate Air Quality Control Region.

The Amarillo-Lubbock Intrastate Air Quality Control Region (Texas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Armstrong County, Bailey County, Briscoe County, Carson County, Castro County, Childress County, Cochran County, Collingsworth County, Crosby County, Dallam County, Deaf Smith County, Dickens County, Donley County, Floyd County, Garza County, Gray County, Hale County, Hall County, Hansford County, Hartley County, Hemphill County, Hockley County, Hutchinson County, King County, Lamb County, Lipscomb County, Lubbock County, Lynn County, Moore County, Motley County, Ochiltree County, Oldham County, Parmer County, Potter County, Randall County, Roberts County, Sherman County, Swisher County, Terry County, Wheeler County, Yoakum County.

[36 FR 22421, Nov. 25, 1971, as amended at 62 FR 30272, June 3, 1997]

§81.134   Austin-Waco Intrastate Air Quality Control Region.

The Austin-Waco Intrastate Air Quality Control Region (Texas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Bastrop County, Bell County, Blanco County, Bosque County, Brazos County, Burleson County, Burnet County, Caldwell County, Coryell County, Falls County, Fayette County, Freestone County, Grimes County, Hamilton County, Hays County, Hill County, Lampasas County, Lee County, Leon County, Limestone County, Llano County, Madison County, McLennan County, Milam County, Mills County, Robertson County, San Saba County, Travis County, Washington County, Williamson County.

[36 FR 22421, Nov. 25, 1971, as amended at 56 FR 32789, Aug. 6, 1991; 62 FR 30272, June 3, 1997]

§81.135   Brownsville-Laredo Intrastate Air Quality Control Region.

The Brownsville-Laredo Intrastate Air Quality Control Region (Texas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area aso delimited):

In the State of Texas: Cameron County, Hidalgo County, Jim Hogg County, Starr County, Webb County, Willacy County, Zapata County.

§81.136   Corpus Christi-Victoria Intrastate Air Quality Control Region.

The Corpus Christi-Victoria Intrastate Air Quality Control Region (Texas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Aransas County, Bee County, Brooks County, Calhoun County, De Witt County, Duval County, Goliad County, Gonzales County, Jackson County, Jim Wells County, Kenedy County, Kleberg County, Lavaca County, Live Oak County, McMullen County, Nueces County, Refugio County, San Patricio County, Victoria County.

[36 FR 22421, Nov. 21, 1971, as amended at 62 FR 30272, June 3, 1997]

§81.137   Midland-Odessa-San Angelo Intrastate Air Quality Control Region.

The Midland-Odessa-San Angelo Intrastate Air Quality Control Region (Texas) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(e)) geographically located within the outermost boundaries of the area so delimited):

In the State of Texas: Andrews County, Borden County, Coke County, Concho County, Crane County, Crockett County, Dawson County, Ector County, Gaines County, Glasscock County, Howard County, Irion County, Kimble County, Loving County, Martin County, Mason County, McCulloch County, Menard County, Midland County, Pecos County, Reagan County, Reeves County, Schleicher County, Sterling County, Sutton County, Terrell County, Tom Green County, Upton County, Ward County, Winkler County.

[36 FR 22421, Nov. 25, 1971, 56 FR 37289, Aug. 6, 1991, as amended at 62 FR 30273, June 3, 1997]

§81.138   Central Arkansas Intrastate Air Quality Control Region.

The Central Arkansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arkansas: Chicot County, Clark County, Cleveland County, Conway County, Dallas County, Desha County, Drew County, Faulkner County, Garland County, Grant County, Hot Spring County, Jefferson County, Lincoln County, Lonoke County, Perry County, Pope County, Pulaski County, Saline County, Yell County.

§81.139   Northeast Arkansas Intrastate Air Quality Control Region.

The Northeast Arkansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arkansas: Arkansas County, Clay County, Craighead County, Cross County, Greene County, Independence County, Jackson County, Lawrence County, Lee County, Mississippi County, Monroe County, Phillips County, Poinsett County, Prairie County, Randolph County, Saint Francis County, Sharp County, White County, Woodruff County.

§81.140   Northwest Arkansas Intrastate Air Quality Control Region.

The Northwest Arkansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arkansas: Baxter County, Boone County, Carroll County, Cleburne County, Franklin County, Fulton County, Izard County, Johnson County, Logan County, Madison County, Marion County, Montgomery County, Newton County, Pike County, Polk County, Scott County, Searcy County, Stone County, Van Buren County.

§81.141   Berkshire Intrastate Air Quality Control Region.

The Berkshire Intrastate Air Quality Control Region (Massachusetts) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Massachusetts: Berkshire County.

§81.142   Central Massachusetts Intrastate Air Quality Control Region.

The Central Massachusetts Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Massachusetts: Township—Ashburnham, Ashby, Athol, Auburn, Barre, Berlin, Blackstone, Boylston, Brookfield, Charlton, Clinton, Douglas, Dudley, East Brookfield, Grafton, Hardwick, Harvard, Holden, Hopedale, Hubbardston, Lancaster, Leicester, Lunenburg, Mendon, Millbury, Millville, New Braintree, Northborough, Northbridge, North Brookfield, Oakham, Oxford, Paxton, Petersham, Phillipston, Princeton, Royalston, Rutland, Shirley, Shrewsbury, Southbridge, Spencer, Sterling, Sturbridge, Sutton, Templeton, Townsend, Upton, Uxbridge, Warren, Webster, Westborough, West Boylston, West Brookfield, Westminster, Winchendon,

Cities—Fitchburg, Gardner, Leominster, Worcester.

§81.143   Central Virginia Intrastate Air Quality Control Region.

The Central Virginia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Virginia: Counties—Amelia, Amherst, Appomattox, Bedford, Brunswick, Buckingham, Campbell, Charlotte, Cumberland, Franklin, Halifax, Henry, Lunenburg, Mecklenburg, Nottoway, Patrick, Pittsylvania, Prince Edward.

Cities—Bedford, Danville, Lynchburg, Martinsville, South Boston.

Towns—Blackstone, Farmville, Rocky Mount, South Hill.

§81.144   Northeastern Virginia Intrastate Air Quality Control Region.

The Northeastern Virginia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Virginia: Counties—Accomack, Albermarle, Caroline, Culpeper, Essex, Fauquier, Fluvanna, Gloucester, Greene, King and Queen, King George, King William, Lancaster, Louisa, Madison, Mathews, Middlesex, Nelson, Northampton, Northumberland, Orange, Rappahannock, Richmond, Spotsylvania, Stafford, Westmoreland.

Cities—Charlottesville, Fredericksburg.

Towns—Culpeper, Warrenton.

§81.145   State Capital Intrastate Air Quality Control Region.

The State Capital Intrastate Air Quality Control Region (Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Virginia: Counties—Charles City, Chesterfield, Dinwiddie, Goochland, Greensville, Hanover, Henrico, New Kent, Powhatan, Prince George, Surry, Sussex.

Cities—Colonial Heights, Emporia, Hopewell, Petersburg, Richmond.

§81.146   Valley of Virginia Intrastate Air Quality Control Region.

The Valley of Virginia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Virginia: Counties—Alleghany, Augusta, Bath, Botetourt, Clarke, Craig, Floyd, Frederick, Giles, Highland, Montgomery, Page, Pulaski, Roanoke, Rockbridge, Rockingham, Shenandoah, Warren.

Cities—Buena Vista, Clifton Forge, Covington, Harrisonburg, Lexington, Radford, Roanoke, Salem, Staunton, Waynesboro, Winchester.

Towns—Blacksburg, Christiansburg, Front Royal, Luray, Pulaski, Vinton.

§81.147   Eastern Mountain Intrastate Air Quality Control Region.

The Eastern Mountain Intrastate Air Quality Control Region (North Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Carolina: Alexander County, Alleghany County, Ashe County, Avery County, Burke County, Caldwell County, Catawba County, Cleveland County, McDowell County, Mitchell County, Polk County, Rutherford County, Watauga County, Wilkes County, Yancey County.

§81.148   Eastern Piedmont Intrastate Air Quality Control Region.

The Eastern Piedmont Intrastate Air Quality Control Region (North Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Carolina: Chatham County, Durham County, Edgecombe County, Franklin County, Granville County, Halifax County, Johnston County, Lee County, Nash County, Northampton County, Orange County, Person County, Vance County, Wake County, Warren County, Wilson County.

§81.149   Northern Coastal Plain Intrastate Air Quality Control Region.

The Northern Coastal Plain Intrastate Air Quality Control Region (North Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Carolina: Beaufort County, Bertie County, Camden County, Chowan County, Currituck County, Dare County, Gates County, Hertford County, Hyde County, Martin County, Pasquotank County, Perquimans County, Pitt County, Tyrrell County, Washington County.

§81.150   Northern Piedmont Intrastate Air Quality Control Region.

The Northern Piedmont Intrastate Air Quality Control Region (North Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Carolina: Alamance County, Caswell County, Davidson County, Davie County, Forsyth County, Guilford County, Randolph County, Rockingham County, Stokes County, Surry County, Yadkin County.

§81.151   Sandhills Intrastate Air Quality Control Region.

The Sandhills Intrastate Air Quality Control Region (North Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Carolina: Anson County, Bladen County, Cumberland County, Harnett County, Hoke County, Montgomery County, Moore County, Richmond County, Robeson County, Sampson County, Scotland County.

§81.152   Southern Coastal Plain Intrastate Air Quality Control Region.

The Southern Coastal Plain Intrastate Air Quality Control Region (North Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of North Carolina: Brunswick County, Carteret County, Columbus County, Craven County, Duplin County, Greene County, Jones County, Lenoir County, New Hanover County, Onslow County, Pamlico County, Pender County, Wayne County.

§81.153   Western Mountain Intrastate Air Quality Control Region.

The Western Mountain Intrastate Air Quality Control Region (North Carolina) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located with the outermost boundaries of the area so delimited):

In the State of North Carolina: Buncombe County, Cherokee County, Clay County, Graham County, Haywood County, Henderson County, Jackson County, Macon County, Madison County, Swain County, Transylvania County.

§81.154   Eastern Shore Intrastate Air Quality Control Region.

The Eastern Shore Intrastate Air Quality Control Region (Maryland) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maryland: Caroline County, Cecil County, Dorchester County, Kent County, Queen Annes County, Somerset County, Talbot County, Wicomico County, Worcester County.

§81.155   Central Maryland Intrastate Air Quality Control Region.

The Central Maryland Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described areas (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maryland: Frederick County.

§81.156   Southern Maryland Intrastate Air Quality Control Region.

The Southern Maryland Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maryland: Calvert County, Charles County, St. Marys County.

§81.157   North Central Wisconsin Intrastate Air Quality Control Region.

The North Central Wisconsin Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Wisconsin: Adams County, Forest County, Florence County, Juneau County, Langlade County, Lincoln County, Marathon County, Oneida County, Portage County, Vilas County, Wood County.

§81.158   Southern Wisconsin Intrastate Air Quality Control Region.

The Southern Wisconsin Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Wisconsin: Columbia County, Dane County, Dodge County, Green County, Iowa County, Jefferson County, Lafayette County, Richland County, Sauk County.

§81.159   Great Basin Valley Intrastate Air Quality Control Region.

The Great Basin Valley Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Alpine County, Inyo County, Mono County.

§81.160   North Central Coast Intrastate Air Quality Control Region.

The North Central Coast Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Monterey County, San Benito County, Santa Cruz County.

§81.161   North Coast Intrastate Air Quality Control Region.

The North Coast Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Del Norte County, Humboldt County, Mendocino County, Trinity County.

Sonoma County—that portion of Sonoma County which lies north and west of a line described as follows: Beginning at the southeasterly corner of the Rancho Estero Americano, being on the boundary line between Marin and Sonoma counties, California; thence running northerly along the easterly boundary line of said Rancho Estero Americano to the northeasterly corner thereof, being an angle corner in the westerly boundary line of Rancho Canada de Jonive; thence running along said boundary of Rancho Canada de Jonive westerly, northerly and easterly to its intersection with the easterly line of Graton Road; thence running along the easterly and southerly line of Graton Road, northerly and easterly to its intersection with the easterly line of Sullivan Road; thence running northerly along said easterly line of Sullivan Road to the southerly line of Green Valley Road; thence running easterly along the said southerly line of Green Valley Road and easterly along the southerly line of State highway 116, to the westerly line of Vine Hill Road; thence running along the westerly and northerly line of Vine Hill Road, northerly and easterly to its intersection with the westerly line of Laguna Road; thence running northerly along the westerly line of Laguna Road and the northerly projection thereof to the northerly line of Trenton Road; thence running westerly along the northerly line of said Trenton Road to the easterly line of Trenton-Healdsburg Road; thence running northerly along said easterly line of Trenton-Healdsburg Road to the easterly line of Eastside Road; thence running northerly along said easterly line of Eastside Road to its intersection with the southerly line of Rancho Sotoyome; thence running easterly along said southerly line of Rancho Sotoyome to is intersection with the township line common to Townships 8 and 9 North, Mt. Diablo Base and Meridian; thence running easterly along said township line to its intersection with the boundary line between Sonoma and Napa Counties, State of California.

[36 FR 22421, Nov. 25, 1971, as amended at 46 FR 3890, Jan. 16, 1981]

§81.162   Northeast Plateau Intrastate Air Quality Control Region.

The Northeast Plateau Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Lassen County, Modoc County, Siskiyou County.

Shasta County—that portion of Shasta County which lies east and north of a line described as follows: Beginning at the Shasta-Siskiyou County boundary and running south along the range line common to R. 2 E. and R. 1 E., Mt. Diablo Base and Meridian, to the southwest corner of T. 35 N., R. 2 E; then east along the township line common to T. 35 N. and T. 34 N. to the northwest corner of T. 34 N., R. 3 E.; then south along the range line common to R. 3 E. and R. 2 E. to the southwest corner of T. 33 N., R. 3 E.; then east along the township line common to T. 33 N. and T. 32 N. to the northwest corner of T. 32 N., R. 4 E.; then south along the range line common to R. 4 E. and R. 3 E. to the point of intersection with the northwest corner of the Lassen Volcanic National Park boundary; then east along the north boundary of Lassen Volcanic National Park to the point of intersection with the Lassen-Shasta County boundary.

[36 FR 22421, Nov. 25, 1971, as amended at 46 FR 3890, Jan. 16, 1981]

§81.163   Sacramento Valley Intrastate Air Quality Control Region.

The Sacramento Valley Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Butte County, Colusa County, Glenn County, Sacramento County, Sutter County, Tehama County, Yolo County, Yuba County.

Shasta County—that portion of Shasta County which lies west and south of a line described as follows: Beginning at the Shasta-Siskiyou County boundary and running south along the range line common to R. 2 E. and R. 1 E., Mt. Diablo Base and Meridian, to the southwest corner of T. 35 N., R. 2 E.; then east along the township line common to T. 35 N. and T. 34 N. to the northwest corner of T. 34 N., R. 3 E.; then south along the range line common to R. 3 E. and R. 2 E. to the southwest corner of T. 33 N., R. 3 E.; then east along the township line common to T. 33 N. and T. 32 N. to the northwest corner of T. 32 N., R. 4 E.; then south along the range line common to R. 4 E. and R. 3 E. to the point of intersection with the northwest corner of the Lassen Volcanic National Park boundary; then east along the north boundary of Lassen Volcanic National Park to the Point of intersection with the Lassen-Shasta County boundary.

Solano County—that portion of Solano County which lies north and east of a line described as follows:Beginning at the inersection of the westerly boundary of Solano County and the 14 section line running east and west through the center of section 34, T. 6 N., R. 2 W., M.D.B. & M., thence east along said 14 section line to the east boundary of section 36, T. 6 N., R. 2 W., thence south 12 mile and east 2.0 miles, more or less, along the west and south boundary of Los Putos Rancho to the northwest corner of section 4, T. 5 N., R. 1 W., thence east along a line common to T. 5 N. and T. 6 N. to the northeast corner of section 3, T. 5 N., R. 1 E., thence south along section lines to the southeast corner of section 8, T. 3 N., R. 2 E., thence east to the boundary between Solano and Sacramento Counties.

[36 FR 22421, Nov. 25, 1971, as amended at 46 FR 3890, Jan. 16, 1981]

§81.164   San Diego Intrastate Air Quality Control Region.

The San Diego Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: San Diego County.

[36 FR 22421, Nov. 25, 1971, as amended at 46 FR 3890, Jan. 16, 1981]

§81.165   San Joaquin Valley Intrastate Air Quality Control Region.

The San Joaquin Valley Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Fresno County, Kings County, Madera County, Merced County, San Joaquin County, Stanislaus County, Tulare County.

Kern County—that portion of Kern County which lies west and north of a line described as follows: Beginning at the Kern-Los Angeles County boundary and running north and east along the northwest boundary of the Rancho La Liebre Land Grant to the point of intersection with the range line common to R. 15 W. and R. 16 W., San Bernardino Base and Meridian; then north along the range line to the northwest corner of section 2, T. 32 S., R. 32 E., Mount Diablo Base and Meridian; then east along the township line common to T. 32 S. and T. 31 S.; then north along the range line common to R. 35 E. and R. 34 E.; then east along the township line common to T. 29 S. and T. 28 S.; then north along the range line common to R. 36 E. and R. 35 E.; then east along the township line common to T. 28 S. and T. 27 S.; then north along the range line common to R. 37 E. and R. 36 E. to the Kern-Tulare County boundary.

[36 FR 22421, Nov. 25, 1971, as amended at 46 FR 3890, Jan. 16, 1981]

§81.166   South Central Coast Intrastate Air Quality Control Region.

The South Central Coast Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: San Luis Obispo County.

Santa Barbara County—that portion of Santa Barbara County which lies north of a line described as follows: Beginning at the Pacific Ocean outfall of Jalama Creek and running east and north along Jalama Creek to a point of intersection with the west boundary of the San Julian Land Grant; then south along the San Julian Land Grant boundary to its southwest corner; then east along the south boundary of the San Julian Land Grant to the northeast corner of partial sec. 20, T. 5 N., R. 32 W., San Bernardino Base and Meridian; then south and east along the boundary of the Las Cruces Land Grant to the southwest corner of partial sec. 22, T. 5 N., R. 32 W.; then northeast along the Las Cruces Land Grant boundary; then east along the north boundaries of sec. 13, T. 5 N., R. 32 W., and secs. 18, 17, 16, 15, 14, 13, T. 5 N., R. 31 W., and secs. 18, 17, 16, 15, 14, 13, T. 5 N., R. 30 W., and secs. 18, 17, 16, 15, T. 5 N., R. 29 W.; then south along the east boundary of sec. 15 T. 5 N., R. 29 W.; then east along the north boundaries of secs. 23 and 24, T. 5 N., R. 29 W., and secs. 19, 20, 21, 22, 23, 24, T. 5 N., R. 28 W., and secs. 19 and 20, T. 5 N., R. 27 W.; then south along the east boundary of sec. 20, T. 5 N., R. 27 W.; then east along the north boundaries of secs. 28, 27, 26, 25, T. 5 N., R. 27 W. and sec. 30, T. 5 N., R. 26 W.; then south along the east boundary of sec. 30, T. 5 N., R. 26 W.; then east along the north boundaries of secs. 32, 33, 34, 35, T. 5 N., R. 26 W.; then south along the east boundary of sec. 35, T. 5 N., R. 26 W. to the township line common to T. 4 N. and T. 5 N.; then east along this township line to the Santa Barbara-Ventura County boundary.

§81.167   Southeast Desert Intrastate Air Quality Control Region.

The Southeast Desert Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Imperial County.

Kern County—that portion of Kern County which lies east and south of a line described as follows: Beginning at the Kern-Los Angeles County boundary and running north and east along the northwest boundary of the Rancho La Liebre Land Grant to the point of intersection with the range line common to R. 15 W. and R. 16 W., San Bernardino Base and Meridian; then north along the range line to the northwest corner of Section 2, T. 32 S., R. 32 E., Mount Diablo Base and Meridian; then east along the township line common to T. 32 S. and T. 31 S.; then north along the range line common to R. 35 E. and R. 34 E.; then east along the township line common to T. 29 S. and T. 28 S.; then north along the range line common to R. 36 E. and R. 35 E.; then east along the township line common to T. 28 S. and T. 27 S.; then north along the range line common to R. 37 E. and R. 36 E. to the Kern-Tulare County boundary.

Los Angeles County—that portion of Los Angeles County which lies north and east of a line described as follows: Beginning at the Los Angeles-San Bernardino County boundary and running west along the township line common to T. 3 N. and T. 2 N., San Bernardino Base and Meridian; then north along the range line common to R. 8 W. and R. 9 W.; then west along the township line common to T. 4 N. and T. 3 N.; then north along the range line common to R. 12 W. and R. 13 W. to the southeast corner of Section 12, T. 5 N.; R. 13 W.; then west along the south boundaries of Sections 12, 11, 10, 9, 8, and 7, T. 5 N., R. 13 W. to the boundary of the Angeles National Forest which is collinear with the range line common to R. 13 W. and R. 14 W.; then north and west along the Angeles National Forest boundary to the point of intersection with the township line common to T. 7 N. and T. 6 N. (point is at the northwest corner of Section 4 in T. 6 N., R. 14 W.); then west along the township line common to T. 7 N. and T. 6 N.; then north along the range line common to R. 15 W. and R. 16 W. to the southeast corner of Section 13, T. 7 N., R. 16 W.; then along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, T. 7 N., R. 16 W.; then north along the range line common to R. 16 W. and R. 17 W. to the north boundary of the Angeles National Forest (collinear with the township line common to T. 8 N. and T. 7 N.); then west and north along the Angeles National Forest boundary to the point of intersection with the south boundary of the Rancho La Liebre Land Grant; then west and north along this land grant boundary to the Los Angeles-Kern County boundary.

Riverside County—that portion of Riverside County which lies east of a line described as follows: Beginning at the Riverside-San Diego County boundary and running north along the range line common to R. 4 E. and R. 3 E., San Bernardino Base and Meridian; then east along the township line common to T. 8 S. and T. 7 S.; then north along the range line common to R. 5 E. and R. 4 E.; then west along the township line common to T. 6 S. and T. 7 S. to the southwest corner of Section 34, T. 6 S., R. 4 E.; then north along the west boundaries of Sections 34, 27, 22, 15, 10, and 3, T. 6 S., R. 4 E.; then west along the township line common to T. 5 S. and T. 6 S.; then north along the range line common to R. 4 E. and R. 3 E.; then west along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, T. 5 S., R. 3 E.; then north along the range line common to R. 2 E. and R. 3 E.; then west along the township line common to T. 4 S. and T. 3 S. to the intersection with the southwest boundary of partial Section 31, T. 3 S., R. 1 W.; then northwest along that line to the intersection with the range line common to R. 2 W. and R. 1 W.; then north to the Riverside-San Bernardino County line.

San Bernardino County—that portion of San Bernardino County which lies east and north of a line described as follows: Beginning at the San Bernardino-Riverside County boundary and running north along the range line common to R. 3 E. and R. 2 E., San Bernardino Base and Meridian; then west along the township line common to T. 3 N. and T. 2 N. to the San Bernardino-Los Angeles County boundary.

[36 FR 22421, Nov. 25, 1971, as amended at 46 FR 3890, Jan. 16, 1981]

§81.168   Great Falls Intrastate Air Quality Control Region.

The Great Falls Intrastate Air Quality Control Region (Montana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Montana: Blaine County, Cascade County, Chouteau County, Glacier County, Hill County, Liberty County, Pondera County, Teton County, Toole County.

§81.169   Helena Intrastate Air Quality Control Region.

The Helena Intrastate Air Quality Control Region (Montana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Montana: Beaverhead County, Broadwater County, Deer Lodge County, Gallatin County, Granite County, Jefferson County, Lewis and Clark County, Madison County, Meagher County, Park County, Powell County, Silver Bow County.

§81.170   Miles City Intrastate Air Quality Control Region.

The Miles City Intrastate Air Quality Control Region (Montana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Montana: Carter County, Custer County, Daniels County, Dawson County, Fallon County, Garfield County, McCone County, Phillips County, Powder River County, Prairie County, Richland County, Roosevelt County, Rosebud County, Sheridan County, Treasure County, Valley County, Wibaux County.

§81.171   Missoula Intrastate Air Quality Control Region.

The Missoula Intrastate Air Quality Control Region (Montana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Montana: Flathead County, Lake County, Lincoln County, Mineral County, Missoula County, Ravalli County, Sanders County.

§81.172   Comanche Intrastate Air Quality Control Region.

The Comanche Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Baca County, Bent County, Cheyenne County, Crowley County, Elbert County, Kiowa County, Kit Carson County, Lincoln County, Otero County, Prowers County.

§81.173   Grand Mesa Intrastate Air Quality Control Region.

The Grand Mesa Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Delta County, Eagle County, Garfield County, Gunnison County, Hinsdale County, Mesa County, Montrose County, Ouray County, Pitkin County, San Miguel County, Summit County.

§81.174   Pawnee Intrastate Air Quality Control Region.

The Pawnee Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Larimer County, Logan County, Morgan County, Phillips County, Sedgwick County, Washington County, Weld County, Yuma County.

§81.175   San Isabel Intrastate Air Quality Control Region.

The San Isabel Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Chaffee County, Custer County, El Paso County, Fremont County, Huerfano County, Lake County, Las Animas County, Park County, Pueblo County, Teller County.

§81.176   San Luis Intrastate Air Quality Control Region.

The San Luis Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Alamosa County, Conejos County, Costilla County, Mineral County, Rio Grande County, Saguache County.

§81.177   Yampa Intrastate Air Quality Control Region.

The Yampa Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Grand County, Jackson County, Moffat County, Rio Blanco County, Routt County.

§81.178   Southern Delaware Intrastate Air Quality Control Region.

The Southern Delaware Intrastate Air Quality Control Region (Delaware) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described areas (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Delaware: Kent County, Sussex County.

§81.179   Aroostook Intrastate Air Quality Control Region.

The Aroostook Intrastate Air Quality Control Region (Maine) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maine: Aroostook County—That portion of Aroostook County which lies east of a line described as follows: Beginning at the point where the Maine-Canadian international border is intersected by a line common to the western boundary of Fort Kent Township and running due south to the intersection of said line with the Aroostook-Penobscot County boundary.

§81.181   Down East Intrastate Air Quality Control Region.

The Down East Intrastate Air Quality Control Region (Maine) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maine: Hancock County, Washington County.

Penobscot County—That portion of Penobscot County which lies south of a line described as follows: Beginning at the point where the Penobscot-Aroostook County boundary is intersected by a line common to the boundaries of Patten and Stacyville Townships and running due west to the intersection of said line with Penobscot-Piscataquis County boundary.

Piscataquis County—That portion of Piscataquis County which lies south and east of a line described as follows: Beginning at the point where the Somerset-Piscataquis County boundary is intersected by a line common to the northern boundary of Blanchard Plantation and running northeast along the northern boundary of Blanchard Plantation to the northeast corner of Blanchard Plantation; then northwest along the western boundary of Monson Township to the northwest corner of Monson Township; then northeast along the northern boundaries of Monson, Willimantic, and Bowerbank Townships, the northern boundary of Barnard Plantation, the northern boundaries of Williamsburg and Brownville Townships, and the northern boundary of Lake View Plantation to the intersection of said line with Piscataquis-Penobscot County boundary, which is also common to the northeast corner of Lake View Plantation.

§81.182   Northwest Maine Intrastate Air Quality Control Region.

The Northwest Maine Intrastate Air Quality Control Region (Maine) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Maine:

Aroostook County—That portion of Aroostook County which lies west of a line described as follows: Beginning at the point where the Maine-Canadian international border is intersected by a line common to the western boundary of Fort Kent Township and running due south to the intersection of the said line with the Aroostook-Penobscot County boundary.

Franklin County—That portion of Franklin County which lies north and west of a line described as follows: Beginning at the point where the Oxford-Franklin County boundary is intersected by a line common to the northern boundary of Township No. 6, Phillips Town, Salem Township, and Freeman Township to the intersection of the said line with the Franklin-Somerset County boundary, which is also common to the northeast corner of Freeman Township.

Oxford County—That portion of Oxford County which lies north and west of a line described as follows: Beginning at the point where the Maine-New Hampshire border is intersected by a line common to the northern boundary of Grafton Township, and running northeast along the northern boundaries of Grafton Township and Andover North Surplus to the intersection of said line with the Oxford-Franklin County boundary, which is also the northeast corner of Andover North Surplus.

Penobscot County—That portion of Penobscot County which lies north of a line described as follows: Beginning at the point where the Penobscot-Aroostook County boundary is intersected by a line common to the boundaries of Patten and Stacyville Townships, and running due west to the intersection of said line with the Penobscot-Piscataquis County boundary.

Piscataquis County—That portion of Piscataquis County which lies north and west of a line described as follows: Beginning at the point where the Somerset-Piscataquis County boundary is intersected by a line common to the northern boundary of Blanchard Plantation and running northeast along the northern boundary of Blanchard Plantation to the northeast corner of Blanchard Plantation; then northwest along the western boundary of Monson Township to the northwest corner of Monson Township; then northeast along the northern boundaries of Monson, Willimantic, and Bowerbank Townships, the northern boundary of Barnard Plantation, the northern boundaries of Williamsburg and Brownville Townships, and the northern boundary of Lake View Plantation to the intersection of said line with the Piscataquis-Penobscot County boundary, which is also common to the northeast corner of Lake View Plantation.

Somerset County—That portion of Somerset County which lies north and west of a line described as follows: Beginning at the point where the Somerset-Franklin County boundary is intersected by a line common to the northern boundary of New Portland Township and running northeast along the northern boundaries of New Portland, Embden, Solon, and Athens Townships to the intersection of said line with the Somerset-Piscataquis County boundary, which is common to the northeast corner of Athens Township.

§81.183   Eastern Connecticut Intrastate Air Quality Control Region.

The Eastern Connecticut Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Connecticut: Towns—Ashford, Bozrah, Brooklyn, Canterbury, Chaplin, Chester, Clinton, Colchester, Columbia, Coventry, Deep River, Eastford, East Lyme, Essex, Franklin, Griswold, Groton, Hampton, Killingly, Killingworth, Lebanon, Ledyard, Lisbon, Lyme, Mansfield, Montville, North Stonington, Old Lyme, Old Saybrook, Plainfield, Pomfret, Preston, Putnam, Salem, Scotland, Sprague, Stafford, Sterling. Stonington, Thompson, Union, Voluntown, Waterford, Westbrook, Willington, Windham, Woodstock.

Cities—Groton, New London, Norwich, Putnam, Willimantic.

§81.184   Northwestern Connecticut Intrastate Air Quality Control Region.

The Northwestern Connecticut Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Connecticut: Towns—Barkhamsted, Canaan, Colebrook, Cornwall, Goshen, Hartland, Harwinton, Kent, Litchfield, Morris, New Hartford, Norfolk, North Canaan, Roxbury, Salisbury, Sharon, Warren, Washington, Winchester.

Cities—Torrington, Winsted.

[36 FR 22421, Nov. 25, 1971, as amended at 45 FR 84788, Dec. 23, 1980]

§81.185   Northern Washington Intrastate Air Quality Control Region.

The Northern Washington Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Washington: Chelan County, Douglas County, Ferry County, Okanogan County, Pend Oreille County, Stevens County.

§81.187   Olympic-Northwest Washington Intrastate Air Quality Control Region.

The Olympic-Northwest Washington Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Washington: Clallam County, Grays Harbor County, Island County, Jefferson County, Mason County, Pacific County, San Juan County, Skagit County, Thurston County, Whatcom County.

§81.189   South Central Washington Intrastate Air Quality Control Region.

The South Central Washington Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Washington: Benton County, Franklin County, Kittitas County, Klickitat County, Walla Walla County, Yakima County.

§81.190   Eastern Idaho Intrastate Air Quality Control Region.

The Eastern Idaho Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Idaho: Bannock County, Bear Lake County, Bingham County, Bonneville County, Butte County, Caribou County, Clark County, Franklin County, Fremont County, Jefferson County, Madison County, Oneida County, Power County, Teton County.

§81.191   Appalachian Intrastate Air Quality Control Region.

The Appalachian Intrastate Air Quality Control Region (Kentucky) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Bell County, Breathitt County, Clay County, Floyd County, Harlan County, Jackson County, Johnson County, Knott County, Knox County, Laurel County, Lee County, Leslie County, Letcher County, Magoffin County, Martin County, Owsley County, Perry County, Pike County, Rockcastle County, Whitley County, Wolfe County,

§81.192   Bluegrass Intrastate Air Quality Control Region.

The Bluegrass Intrastate Air Quality Control Region (Kentucky) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Anderson County, Bourbon County, Boyle County, Clark County, Estill County, Fayette County, Franklin County, Garrard County, Harrison County, Jessamine County, Lincoln County, Madison County, Mercer County, Nicholas County, Powell County, Scott County, Woodford County.

§81.193   North Central Kentucky Intrastate Air Quality Control Region.

The North Central Kentucky Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Breckinridge County, Bullitt County, Grayson County, Hardin County, Henry County, Larue County, Marion County, Meade County, Nelson County, Oldham County, Shelby County, Spencer County, Trimble County, Washington County.

§81.194   South Central Kentucky Intrastate Air Quality Control Region.

The South Central Kentucky Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kentucky: Adair County, Allen County, Barren County, Butler County, Casey County, Clinton County, Cumberland County, Edmonson County, Green County, Hart County, Logan County, McCreary County, Metcalf County, Monroe County, Pulaski County, Russell County, Simpson County, Taylor County, Warren County, Wayne County.

§81.195   Central Michigan Intrastate Air Quality Control Region.

The Central Michigan Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Michigan: Allegan County, Arenac County, Bay County, Clare County, Genesee County, Gladwin County, Gratiot County, Huron County, Ionia County, Iosco County, Isabella County, Kent County, Lake County, Lapeer County, Mason County, Mecosta County, Midland County, Montcalm County, Muskegon County, Newaygo County, Oceana County, Ogemaw County, Osceola County, Ottawa County, Roscommon County, Saginaw County, Sanilac County, Shiawassee County, Tuscola County.

§81.196   South Central Michigan Intrastate Air Quality Control Region.

The South Central Michigan Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the areas so delimited):

In the State of Michigan: Barry County, Branch County, Calhoun County, Clinton County, Eaton County, Hillsdale County, Ingham County, Jackson County, Kalamazoo County, Lenawee County, Livingston County, St. Joseph County, Washtenaw County.

§81.197   Upper Michigan Intrastate Air Quality Control Region.

The Upper Michigan Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Michigan: Alcona County, Alger County, Alpena County, Antrim County, Baraga County, Benzie County, Cheboygan County, Charlevoix County, Chippewa County, Crawford County, Delta County, Dickinson County, Emmet County, Gogebic County, Grand Traverse County, Houghton County, Iron County, Kalkaska County, Keweenaw County, Leelanau County, Luce County, Mackinac County, Manistee County, Marquette County, Menominee County, Missaukee County, Montmorency County, Ontonagon County, Oscoda County, Otsego County, Presque Isle County, Schoolcraft County, Wexford County.

§81.199   East Alabama Intrastate Air Quality Control Region.

The East Alabama Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Calhoun County, Chambers County, Cherokee County, Clay County, Cleburne County, Coosa County, Etowah County, Randolph County, Talladega County, Tallapoosa County.

§81.200   Metropolitan Columbus Intrastate Air Quality Control Region.

The Metropolitan Columbus Intrastate Air Quality Control Region (Ohio) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Delaware County, Fairfield County, Franklin County, Licking County, Madison County, Perry County, Pickaway County, Union County.

§81.201   Mansfield-Marion Intrastate Air Quality Control Region.

The Mansfield-Marion Intrastate Air Quality Control Region (Ohio) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Ashland County, Crawford County, Holmes County, Knox County, Marion County, Morrow County, Richland County, Wayne County, Wyandot County.

§81.202   Northwest Ohio Intrastate Air Quality Control Region.

The Northwest Ohio Intrastate Air Quality Control Region (Ohio) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Allen County, Auglaize County, Champaign County, Defiance County, Fulton County, Hancock County, Hardin County, Henry County, Logan County, Mercer County, Paulding County, Putman County, Shelby County, Van Wert County, Williams County.

§81.203   Sandusky Intrastate Air Quality Control Region.

The Sandusky Intrastate Air Quality Control Region (Ohio) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Erie County, Huron County, Ottawa County, Sandusky County, Seneca County.

§81.204   Wilmington-Chillicothe-Logan Intrastate Air Quality Control Region.

The Wilmington-Chillicothe-Logan Intrastate Air Quality Control Region (Ohio) consists of the territorial area encompassed by the boundaries of the following jurisdiction or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Clinton County, Fayette County, Highland County, Hocking County, Jackson County, Pike County, Ross County, Vinton County.

§81.205   Zanesville-Cambridge Intrastate Air Quality Control Region.

The Zanesville-Cambridge Intrastate Air Quality Control Region (Ohio) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Ohio: Carroll County, Coshocton County, Guernsey County, Harrison County, Muskingum County, Noble County, Tuscarawas County.

§81.213   Casper Intrastate Air Quality Control Region.

The Casper Intrastate Air Quality Control Region (Wyoming) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Wyoming: Converse County, Freemont County, Natrona County.

§81.214   Black Hills-Rapid City Intrastate Air Quality Control Region.

The Rapid City Intrastate Air Quality Control Region (South Dakota) has been renamed the Black Hills-Rapid City Intrastate Air Quality Control Region (South Dakota) and consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of South Dakota: Butte County, Custer County, Fall River County, Lawrence County, Meade County, Pennington County.

§81.215   East Central Indiana Intrastate Air Quality Control Region.

The East Central Indiana Intrastate Air Quality Control Region (Indiana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Indiana: Blackford County, Delaware County, Grant County, Henry County, Jay County, Madison County, Randolph County, Wayne County.

§81.216   Northeast Indiana Intrastate Air Quality Control Region.

The Northeast Indiana Intrastate Air Quality Control Region (Indiana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Indiana: Adams County, Allen County, De Kalb County, Huntington County, Lagrange County, Noble County, Steuben County, Wells County, Whitley County.

§81.217   Southern Indiana Intrastate Air Quality Control Region.

The Southern Indiana Intrastate Air Quality Control Region (Indiana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Indiana: Bartholomew County, Brown County, Crawford County, Daviess County, Decatur County, Fayette County, Franklin County, Greene County, Harrison County, Jackson County, Jefferson County, Jennings County, Lawrence County, Martin County, Monroe County, Orange County, Owen County, Ripley County, Rush County, Scott County, Switzerland County, Union County, Washington County.

§81.218   Wabash Valley Intrastate Air Quality Control Region.

The Wabash Valley Intrastate Air Quality Control Region (Indiana) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Indiana: Benton County, Carroll County, Cass County, Clay County, Clinton County, Fountain County, Fulton County, Howard County, Jasper County, Knox County, Miami County, Montgomery County, Newton County, Parke County, Pulaski County, Putnam County, Starke County, Sullivan County, Tippecanoe County, Tipton County, Vermillion County, Vigo County, Wabash County, Warren County, White County.

§81.219   Central Oregon Intrastate Air Quality Control Region.

The Central Oregon Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oregon: Crook County, Deschutes County, Hood River County, Jefferson County, Klamath County, Lake County, Sherman County, Wasco County.

§81.220   Eastern Oregon Intrastate Air Quality Control Region.

The Eastern Oregon Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oregon: Baker County, Gilliam County, Grant County, Harney County, Malheur County, Morrow County, Umatilla County, Union County, Wallowa County, Wheeler County.

§81.221   Southwest Oregon Intrastate Air Quality Control Region.

The Southwest Oregon Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oregon: Coos County, Curry County, Douglas County, Jackson County, Josephine County.

§81.226   Lincoln-Beatrice-Fairbury Intrastate Air Quality Control Region.

The Lincoln-Beatrice-Fairbury Intrastate Air Quality Control Region (Nebraska) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302 (f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Nebraska: Gage County, Jefferson County, Lancaster County, Thayer County.

§81.230   Allegheny Intrastate Air Quality Control Region.

The Allegheny Intrastate Air Quality Control Region (West Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of West Virginia: Greenbrier County, Hampshire County, Hardy County, Monroe County, Pendleton County, Pocahontas County, Randolph County, Summers County, Tucker County.

In Grant County: Grant Magisterial District, Milroy Magisterial District.

In Mineral County: Cabin Run Magisterial District, Frankfort Magisterial District, Welton Magisterial District.

§81.231   Central West Virginia Intrastate Air Quality Control Region.

The Central West Virginia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of West Virginia: Braxton County, Calhoun County, Clay County, Doddridge County, Gilmer County, Lewis County, Nicholas County, Ritchie County, Roane County, Upshur County, Webster County, Wirt County.

§81.232   Eastern Panhandle Intrastate Air Quality Control Region.

The Eastern Panhandle Intrastate Air Quality Control Region (West Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of West Virginia: Berkeley County, Jefferson County, Morgan County.

§81.233   Kanawha Valley Intrastate Air Quality Control Region.

The Kanawha Valley Intrastate Air Quality Control Region (West Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of West Virginia: Kanawha County, Putnam County.

In Fayette County: Falls Magisterial District, Kanawha Magisterial District.

§81.234   North Central West Virginia Intrastate Air Quality Control Region.

The North Central West Virginia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of West Virginia: Barbour County, Harrison County, Marion County, Monongalia County, Preston County, Taylor County.

§81.235   Southern West Virginia Intrastate Air Quality Control Region.

The Southern West Virginia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of West Virginia: Boone County, Lincoln County, Logan County, McDowell County, Mercer County, Mingo County, Raleigh County, Wyoming County.

In Fayette County: Fayetteville Magisterial District, Mountain Cove Magisterial District, Nuttall Magisterial District, Quinnimont Magisterial District, Sewell Mountain Magisterial District.

§81.236   Central Georgia Intrastate Air Quality Control Region.

The Central Georgia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Georgia: Baldwin County, Ben Hill County, Bibb County, Bleckley County, Crawford County, Dodge County, Hancock County, Houston County, Jasper County, Jeff Davis County, Johnson County, Jones County, Laurens County, Macon County, Monroe County, Montgomery County, Peach County, Pulaski County, Putnam County, Telfair County, Toombs County, Treutlen County, Twiggs County, Washington County, Wheeler County, Wilcox County, Wilkinson County.

§81.237   Northeast Georgia Intrastate Air Quality Control Region.

The Northeast Georgia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Georgia: Banks County, Barrow County, Clarke County, Dawson County, Elbert County, Forsyth County, Franklin County, Greene County, Habersham County, Hall County, Hart County, Jackson County, Lumpkin County, Madison County, Morgan County, Newton County, Oconee County, Oglethorpe County, Rabun County, Stephens County, Towns County, Union County, Walton County, White County.

§81.238   Southwest Georgia Intrastate Air Quality Control Region.

The Southwest Georgia Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Georgia: Baker County, Berrien County, Brooks County, Calhoun County, Clay County, Colquitt County, Cook County, Crisp County, Decatur County, Dougherty County, Early County, Echols County, Grady County, Irwin County, Lanier County, Lee County, Lowndes County, Miller County, Mitchell County, Randolph County, Seminole County, Terrell County, Thomas County, Tift County, Turner County, Worth County.

§81.239   Upper Rio Grande Valley Intrastate Air Quality Control Region.

The Upper Rio Grande Valley Intrastate Air Quality Control Region (New Mexico) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New Mexico: Los Alamos County, Santa Fe County, Taos County.

Those portions of Rio Arriba County lying east of the Continental Divide.

§81.240   Northeastern Plains Intrastate Air Quality Control Region.

The Northeastern Plains Intrastate Air Quality Control Region (New Mexico) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New Mexico: Colfax County, Guadalupe County, Harding County, Mora County, San Miguel County, Torrance County, Union County.

§81.241   Southwestern Mountains-Augustine Plains Intrastate Air Quality Control Region.

The Southwestern Mountains-Augustine Plains Intrastate Air Quality Control Region (New Mexico) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New Mexico: Catron County, Socorro County.

Those portions of McKinley County lying east of the Continental Divide.

Those portions of Valencia County, excluding the Zuni and Ramah Navajo Indian Reservations, lying west of a line described as follows: Starting at the point at which the south boundary of Bernalillo County intersects with the section line between secs. 1 and 2 T. 7 N., R. 2 W.; thence south to the southern boundary of the Laguna Indian Reservation between secs. 35 and 36 T. 7 N., R. 2 W.; then southerly on section lines to the Socorro-Valencia County line at secs. 11, 12, 13, and 14, T. 5 N., R. 2 W.

§81.242   Pecos-Permian Basin Intrastate Air Quality Control Region.

The Pecos-Permian Basin Intrastate Air Quality Control Region (New Mexico) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of New Mexico: Chaves County, Curry County, De Baca County, Eddy County, Lea County, Quay County, Roosevelt County.

§81.243   Central Minnesota Intrastate Air Quality Control Region.

The Central Minnesota Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Minnesota: Benton County, Chisago County, Isanti County, Kanabec County, Mille Lacs County, Pine County, Sherburne County, Stearns County, Wright County.

§81.244   Northwest Minnesota Intrastate Air Quality Control Region.

The Northwest Minnesota Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Minnesota: Becker County, Beltrami County, Cass County, Clearwater County, Crow Wing County, Douglas County, Grant County, Hubbard County, Kittson County, Lake of the Woods County, Mahnomen County, Marshall County, Morrison County, Norman County, Otter Tail County, Pennington County, Polk County, Pope County, Red Lake County, Roseau County, Stevens County, Todd County, Traverse County, Wadena County, Wilkin County.

§81.245   Southwest Minnesota Intrastate Air Quality Control Region.

The Southwest Minnesota Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1875h(f) geographically located within the outermost boundaries of the area so delimited):

In the State of Minnesota: Big Stone County, Chippewa County, Cottonwood County, Jackson County, Kandiyohi County, Lac qui Parle County, Lincoln County, Lyon County, McLeod County, Meeker County, Murray County, Nobles County, Pipestone County, Redwood County, Renville County, Rock County, Swift County, Yellow Medicine County.

§81.246   Northern Alaska Intrastate Air Quality Control Region.

The Northern Alaska Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1875h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alaska:

Those portions of the 1956 Election Districts 18-23, inclusive, as described in Article XIV, section 3 of the Constitution of the State of Alaska, which are not included in the designated Cook Inlet Intrastate Air Quality Control Region as designated August 12, 1970 (35 FR 12757).

§81.247   South Central Alaska Intrastate Air Quality Control Region.

The South Central Alaska Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alaska:

Those portions of the 1956 Election Districts 7-17, inclusive, and Election District 24 as described in Article XIV, section 3 of the Constitution of the State of Alaska, which are not included in the designated Cook Inlet Intrastate Air Quality Control Region as designated August 12, 1970 (35 FR 12757).

§81.248   Southeastern Alaska Intrastate Air Quality Control Region.

The Southeastern Alaska Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alaska:

1956 Election Districts 1-6, inclusive, as described in Article XIV, section 3 of the Constitution of the State of Alaska.

§81.249   Northwest Oregon Intrastate Air Quality Control Region.

The Northwest Oregon Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Oregon: Clatsop County, Lincoln County, Tillamook County.

§81.250   North Central Kansas Intrastate Air Quality Control Region.

The North Central Kansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kansas: Clay County, Cloud County, Dickinson County, Ellsworth County, Geary County, Jewell County, Lincoln County, McPherson County, Mitchell County, Morris County, Ottawa County, Republic County, Rice County, Riley County, Saline County, Washington County.

§81.251   Northeast Kansas Intrastate Air Quality Control Region.

The Northeast Kansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kansas: Atchison County, Brown County, Doniphan County, Douglas County, Franklin County, Jackson County, Jefferson County, Marshall County, Miami County, Nemaha County, Osage County, Pottawatomie County, Shawnee County, Wabaunsee County.

§81.252   Northwest Kansas Intrastate Air Quality Control Region.

The Northwest Kansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kansas: Barton County, Cheyenne County, Decatur County, Ellis County, Gove County, Graham County, Logan County, Ness County, Norton County, Osborne County, Phillips County, Rawlins County, Rooks County, Rush County, Russell County, Sheridan County, Sherman County, Smith County, Thomas County, Trego County, Wallace County.

§81.253   South Central Kansas Intrastate Air Quality Control Region.

The South Central Kansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kansas: Butler County, Chase County, Cowley County, Harper County, Harvey County, Kingman County, Marion County, Reno County, Sedgwick County, Sumner County.

§81.254   Southeast Kansas Intrastate Air Quality Control Region.

The Southeast Kansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kansas: Allen County, Anderson County, Bourbon County, Chautauqua County, Cherokee County, Coffey County, Crawford County, Elk County, Greenwood County, Labette County, Linn County, Lyon County, Montgomery County, Neosho County, Wilson County, Woodson County.

§81.255   Southwest Kansas Intrastate Air Quality Control Region.

The Southwest Kansas Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Kansas: Barber County, Clark County, Comanche County, Edwards County, Finney County, Ford County, Grant County, Gray County, Greeley County, Hamilton County, Haskell County, Hodgeman County, Kearny County, Kiowa County, Lane County, Meade County, Morton County, Pawnee County, Pratt County, Scott County, Seward County, Stafford County, Stanton County, Stevens County, Wichita County.

§81.256   Northeast Iowa Intrastate Air Quality Control Region.

The Northeast Iowa Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Allamakee County, Benton County, Black Hawk County, Bremer County, Buchanan County, Chickasaw County, Delaware County, Fayette County, Howard County, Jones County, Linn County, Winneshiek County.

§81.257   North Central Iowa Intrastate Air Quality Control Region.

The North Central Iowa Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Butler County, Cerro Gordo County, Floyd County, Franklin County, Grundy County, Hamilton County, Hancock County, Hardin County, Humboldt County, Kossuth County, Mitchell County, Webster County, Winnebago County, Worth County, Wright County.

§81.258   Northwest Iowa Intrastate Air Quality Control Region.

The Northwest Iowa Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Buena Vista County, Calhoun County, Cherokee County, Clay County, Dickinson County, Emmet County, Ida County, O'Brien County, Osceola County, Palo Alto County, Pocahontas County, Sac County.

§81.259   Southwest Iowa Intrastate Air Quality Control Region.

The Southwest Iowa Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Adair County, Adams County, Audubon County, Carroll County, Cass County, Crawford County, Fremont County, Greene County, Guthrie County, Harrison County, Mills County, Monona County, Montgomery County, Page County, Ringgold County, Shelby County, Taylor County, Union County.

§81.260   South Central Iowa Intrastate Air Quality Control Region.

The South Central Iowa Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Appanoose County, Boone County, Clarke County, Dallas County, Decatur County, Jasper County, Lucas County, Madison County, Mahaska County, Marion County, Marshall County, Monroe County, Polk County, Poweshiek County, Story County, Tama County, Warren County, Wayne County.

§81.261   Southeast Iowa Intrastate Air Quality Control Region.

The Southeast Iowa Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Iowa: Cedar County, Davis County, Henry County, Iowa County, Jefferson County, Johnson County, Keokuk County, Van Buren County, Wapello County, Washington County.

Note: For purposes of identification, the Regions are referred to by Iowa authorities as follows:

Sec.

81.256   Northeast Iowa Intrastate Air Quality Control Region: Region 1.

81.257   North Central Iowa Intrastate Air Quality Control Region: Region 2.

81.258   Northwest Iowa Intrastate Air Quality Control Region: Region 3.

81.259   Southwest Iowa Intrastate Air Quality Control Region: Region 4.

81.260   South Central Iowa Intrastate Air Quality Control Region: Region 5.

81.261   Southeast Iowa Intrastate Air Quality Control Region: Region 6.

§81.262   North Central Illinois Intrastate Air Quality Control Region.

The North Central Illinois Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Bureau County, La Salle County, Lee County, Marshall County, Putnam County, Stark County.

§81.263   East Central Illinois Intrastate Air Quality Control Region.

The East Central Illinois Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Champaign County, Clark County, Coles County, Cumberland County, De Witt County, Douglas County, Edgar County, Ford County, Iroquois County, Livingston County, McLean County, Moultrie County, Piatt County, Shelby County, Vermilion County.

§81.264   West Central Illinois Intrastate Air Quality Control Region.

The West Central Illinois Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Adams County, Brown County, Calhoun County, Cass County, Christian County, Greene County, Jersey County, Logan County, Macon County, Macoupin County, Menard County, Montgomery County, Morgan County, Pike County, Sangamon County, Schuyler County, Scott County.

§81.265   Southeast Illinois Intrastate Air Quality Control Region.

The Southeast Illinois Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Illinois: Clay County, Crawford County, Edwards County, Effingham County, Fayette County, Franklin County, Gallatin County, Hamilton County, Hardin County, Jackson County, Jasper County, Jefferson County, Lawrence County, Marion County, Perry County, Richland County, Saline County, Wabash County, Wayne County, White County, Williamson County.

§81.266   Alabama and Tombigbee Rivers Intrastate Air Quality Control Region.

The Alabama and Tombigbee Rivers Intrastate Air Quality Control Region (Alabama) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Choctaw County, Clarke County, Conecuh County, Dallas County, Marengo County, Monroe County, Perry County, Washington County, Wilcox County.

§81.267   Southeast Alabama Intrastate Air Quality Control Region.

The Southeast Alabama Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Barbour County, Coffee County, Covington County, Dale County, Geneva County, Henry County, Houston County.

§81.268   Mohave-Yuma Intrastate Air Quality Control Region.

The Mohave-Yuma Intrastate Air Quality Control Region (Arizona) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 7602(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arizona: Mohave County and Yuma County.

[45 FR 7545, Feb. 4, 1980]

§81.269   Pima Intrastate Air Quality Control Region.

The Pima Intrastate Air Quality Control Region (Arizona) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arizona: Pima County.

[45 FR 67347, Oct. 10, 1980]

§81.270   Northern Arizona Intrastate Air Quality Control Region.

The Northern Arizona Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arizona: Apache County, Coconino County, Navajo County, Yavapai County.

[45 FR 67347, Oct. 10, 1980]

§81.271   Central Arizona Intrastate Air Quality Control Region.

The Central Arizona Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arizona: Gila County, Pinal County.

[45 FR 67348, Oct. 10, 1980]

§81.272   Southeast Arizona Intrastate Air Quality Control Region.

The Southeast Arizona Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Arizona: Cochise County, Graham County, Greenlee County, Santa Cruz County.

[45 FR 67348, Oct. 10, 1980]

§81.273   Lake County Intrastate Air Quality Control Region.

The Lake County Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Lake County.

[46 FR 3891, Jan. 16, 1981]

§81.274   Mountain Counties Intrastate Air Quality Control Region.

The Mountain Counties Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Amador County, Calaveras County, Mariposa County, Nevada Country, Plumas County, Sierra County, Tuolumne County.

El Dorado County—all of El Dorado County except that portion within the drainage area naturally tributary to Lake Tahoe including said Lake.

Placer County—all of Placer County except the following described area:That portion of Placer County within the drainage area naturally tributary to Lake Tahoe including said Lake, plus that area in the vicinity of the head of the Truckee River described as follows: commencing at the point common to the aforementioned drainage area crestline and the line common to Townships 15 North and 16 North, Mount Diablo Base and meridian (M.D.B. & M.), and following that line in a westerly direction to the northwest corner of Section 3, Township 15 North, Range 16 East, M.D.B. & M., thence south along the west line of Sections 3 and 10, Township 15 North, Range 16 East, M.D.B. & M., to the intersection with the said drainage area crestline, thence following the said drainage area boundary in a southeasterly, then northeasterly direction to and along the Lake Tahoe Dam, thence following the said drainage area crestline in a northeasterly, then northwesterly direction to the point of beginning.

[46 FR 3891, Jan. 16, 1981]

§81.275   Lake Tahoe Intrastate Air Quality Control Region.

The Lake Tahoe Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited:

In the State of California:

El Dorado County—that portion of El Dorado County within the drainage area naturally tributary to Lake Tahoe including said Lake.

Placer County—that portion of Placer County within the drainage area naturally tributary to Lake Tahoe including said Lake, plus that area in the vicinity of the head of the Truckee River described as follows: commencing at the point common to the aforementioned drainage area crestline and the line common to Townships 15 North and 16 North, Mount Diablo Base and Meridian (M.D.B. & M.), and following that line in a westerly direction to the northwest corner of Section 3, Township 15 North, Range 16 East, M.D.B. & M., thence south along the west line of Sections 3 and 10, Township 15 North, Range 16 East, M.D.B. & M., to the intersection with the said drainage area crestline, thence following the said drainage area boundary in a southeasterly, then northeasterly direction to and along the Lake Tahoe Dam, thence following the said drainage area crestline in a northeasterly, then northwesterly direction to the point of beginning.

[46 FR 3891, Jan. 16, 1981]

§81.276   Nevada Intrastate Air Quality Control Region.

The Nevada Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Nevada: Churchill County, Elko County, Esmeralda County, Eureka County, Humboldt County, Lander County, Lincoln County, Mineral County, Nye County, Pershing County, and White Pine County.

[80 FR 67663, Dec. 3, 2015]

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