homa Interstate Air Quality Control Region. 81.92 Monroe (Louisiana)—El 81.93 81.94 81.95 Control Region. 81.96 81.97 81.98 81.99 81.71 81.72 81.73 81.74 81.75 81.76 -81.77 81.78 81.79 81.80 81.81 81.82 81.83 81.84 81.85 Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region. Tennessee River Valley (Alabama) Cumberland Mountains (Tennessee) Interstate Air Quality Control Region. South Bend-Elkhart (Indiana) Benton Harbor (Michigan) Interstate Air Quality Control Region. Northwest Pennsylvania-Youngstown Interstate Air Quality Control Region. Metropolitan Charlotte Interstate Air Quality Control Region. State of Hawaii Air Quality Control Region. Puerto Rico Air Quality Control Region. Metropolitan Portland Intrastate Air Merrimack Valley-Southern New El Paso-Las Cruces-Alamogordo Interstate Air Quality Control Region. Albuquerque-Mid-Rio Grande Intrastate Air Quality Control Region. Metropolitan Fargo-Moorhead Interstate Air Quality Control Region. Metropolitan Sioux Falls Interstate Air Quality Control Region. Dorado (Arkansas) Interstate Air Quality Metropolitan Norfolk Intrastate Air Shreveport-Texarkana-Tyler Inter- West Central Florida Intrastate Air Southwest Florida Intrastate Air Burlington-Keokuk Interstate Air Arizona-New Mexico Southern Bor- 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 Board. 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 Interstate Air Quality Control Region. Sec. 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 Quality Control Region. Control Region. Air 81.134 Austin-Waco Intrastate Air Quality 81.135 Brownsville-Laredo Intrastate Quality Control Region. Sec. 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 81.160 North Central Coast Intrastate Air 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. Miles City Intrastate Air Quality Air 81.136 Corpus Christi-Victoria Intrastate 81.170 Air Quality Control Region. 81.137 Midland-Odessa-San Angelo Intrastate Air Quality Control Region. 81.138 Central Arkansas Intrastate Air Quality Control Region. 81.171 Missoula Intrastate Air Quality Control Region. 81.172 Comanche Intrastate Air Quality Control Region. Grand Mesa Intrastate Air Quality 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 Aroostock Intrastate Control Region. Air Quality 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. 81.250 North Central Kansas Intrastate Air Quality Control Region. Northeast Kansas Intrastate Quality Control Region. 81.252 Northwest Kansas Intrastate Quality Control Region. 81.253 South Central Kansas Intrastate Air Quality Control Region. Air Air trastate 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. 81.254 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. Air 81.265 Southeast Illinois Intrastate Quality Control Region. 81.266 Alabama and Tombigbee Rivers Intrastate Air Quality Control Region. 81.267 Southeast Alabama Intrastate Air Quality Control Region. AUTHORITY: The provisions of this Part 81 issued under sections 107(a) and 301(a), 81 Stat. 490, 504; Reorg. Plan 3 of 1970; 42 U.S.C. 1857c-2(a), 1857g(a), 3 CFR 1970 Comp. SOURCE: The provisions of this Part 81 appear at 36 F.R. 22421, Nov. 25, 1971, unless otherwise noted. 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. § 81.14 Metropolitan Chicago Interstate Air Quality Control Region. The Metropolitan Chicago Interstate Air Quality Control Region (IllinoisIndiana) 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. Kendall County. Lake County. McHenry County. Will County. 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: 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 |