CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS > SUBPART HH—New York (§52.1670 to §52.1690) > 52.1671—Classification of regions.

52.1671—Classification of regions.

The New York plans were evaluated on the basis of the following classifications:
Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants (hydrocarbons)
Niagara Frontier Intrastate I I III III I
Champlain Valley Interstate II II III III III
Central New York Intrastate I II III I I
Genesee-Finger Lakes Intrastate II II III III I
Hudson Valley Intrastate I II III III III
Southern Tier East Intrastate II II III III III
Southern Tier West Intrastate II II III III III
New Jersey-New York-Connecticut Interstate I I I I I

Code of Federal Regulations

[37 FR 10882, May 31, 1972, as amended at 39 FR 16347, May 8, 1974]