§ 52.2571 - Classification of regions.

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§ 52.2571 Classification of regions.

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

Air quality control region	Pollutant
Air quality control region	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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