GroundRules
40 CFR 52.1071: 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 V—Maryland
The Maryland plans were evaluated on the basis of the following classifications:
Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Cumberland-Keyser Interstate I I III III III
Central Maryland Intrastate II II III III III
Metropolitan Baltimore Intrastate I I I I I
National Capital Interstate I I III I I
Southern Maryland Intrastate III III III III III
Eastern Shore Intrastate II III III III III
Collected 2026-08-27T02:26:04Z. Source file · JSON