40 C.F.R. § 52.671

Current through September 30, 2024
Section 52.671 - Classification of regions

The Idaho plan was evaluated on the basis of the following classifications:

Air quality control region Pollutants
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Eastern Idaho IntrastateIIIIIIIIIIII.
Eastern Washington Northern Idaho Interstate (Idaho)IIIIIIIIIIII.
Idaho IntrastateIIIIIIIIIIIII.
Metropolitan Boise IntrastateIIIIIIIIIIII.

40 C.F.R. §52.671

37 FR 10861, May 31, 1972, as amended at 45 FR 70261, Oct. 23, 1980; 47 FR 32534, July 28, 1982