Classification of regions.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Air Programs
  6. Approval and Promulgation of Implementation Plans
  7. Ohio
  8. Classification of regions.

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§ 52.1871 Classification of regions.

The Ohio plan was evaluated on the basis of the following classifications:

Expand Table
Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Greater Metropolitan Cleveland Intrastate I I III III I
Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate I III III III III
Mansfield-Marion Intrastate II II III III III
Metropolitan Cincinnati Interstate I II III III I
Metropolitan Columbus Intrastate I III III III I
Metropolitan Dayton Intrastate I II III III I
Metropolitan Toledo Interstate I I III III I
Northwest Ohio Intrastate II I III III III
Northwest Pennsylvania-Youngstown Interstate I II III III III
Parkersburg (West Virginia)-Marietta (Ohio) Interstate I II III III III
Sandusky Intrastate III III III III III
Steubenville-Weirton-Wheeling Interstate I I III III III
Wilmington-Chillicothe-Logan Intrastate III III III III III
Zanesville-Cambridge Intrastate II IA III III III

[37 FR 10886, May 31, 1972, as amended at 39 FR 16347, May 8, 1974; 45 FR 72146, Oct. 31, 1980]


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