GroundRules
40 CFR 52.1521: Classification of regions.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS
- Subpart EE—New Hampshire
The New Hampshire plan was evaluated on the basis of the following classifications:
Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Androscoggin Valley Interstate IA III III III III
Central New Hampshire Intrastate III III III III III
Merrimack Valley—Southern New Hampshire Interstate I III III III I
Collected 2026-08-27T02:26:04Z. Source file · JSON