40 CFR 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]