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. Wisconsin
  8. Classification of regions.

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§ 52.2571 Classification of regions.

The Wisconsin 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
Duluth (Minnesota)-Superior (Wisconsin) Interstate I II III III III
North Central Wisconsin Intrastate II III III III III
Lake Michigan Intrastate II III III III III
Southeast Minnesota-La Crosse (Wisconsin) Interstate II IA III III III
Southern Wisconsin Intrastate II III III III III
Southeastern Wisconsin Intrastate I II III III I
Rockford (Illinois)-Jamesville-Beloit (Wisconsin) Interstate II III III III III
Metropolitan Dubuque Interstate I III III III III

[37 FR 10902, May 31, 1972, as amended at 39 FR 16348, May 8, 1974; 45 FR 2322, Jan. 11, 1980]


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