40 CFR § 52.371 - Classification of regions.

§ 52.371 Classification of regions.

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

Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
New Jersey-New York-Connecticut Interstate I I I I I
Hartford-New Haven-Springfield Interstate I I III I I
Northwestern Intrastate III III III III III
Eastern Intrastate II III III III III
[37 FR 10855, May 31, 1972, as amended at 39 FR 16346, May 8, 1974; 45 FR 84787, Dec. 23, 1980]