40 CFR 52.1571 - Classification of regions.

The New Jersey plan was evaluated on the basis of the following classifications:

Air quality control region	Pollutant					Particulate matter	Sulfur oxides	Nitrogen dioxide	Carbon monoxide	Photochemical oxidants (hydrocarbons)	New Jersey-New York-Connecticut Interstate	I	I	I	I	I	Metropolitan Philadelphia Interstate	I	I	III	I	I	Northeast Pennsylvania-Upper Delaware Valley Interstate	I	II	III	III	III	New Jersey Intrastate	III	IA	III	I	III

[37 FR 10880, May 31, 1972, as amended at 39 FR 16347, May 8, 1974]