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

Open Table
Air quality control region Pollutant
Particulate
matter
Sulfur
oxides
Nitrogen
dioxide
Carbon
monoxide
Ozone
Champlain Valley Interstate II III III III III
Vermont Intrastate II III III III III

[37 FR 10898, May 31, 1972, as amended at 45 FR 10782, Feb. 19, 1980; 82 FR 29007, June 27, 2017]


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