40 C.F.R. § 52.2021

Current through September 30, 2024
Section 52.2021 - Classification of regions

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

Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone (hydrocarbons)
Metropolitan Philadelphia InterstateIIIIIII
Northeast Pennsylvania-Upper Delaware Valley InterstateIIIIIIIIIIII
South Central Pennsylvania IntrastateIIIIIIIIIIII
Central Pennsylvania IntrastateIIIIIIIIIIIII
Southwest Pennsylvania IntrastateIIIIIII
Northwest Pennsylvania-Youngstown InterstateIIIIIIIIIIII

40 C.F.R. §52.2021

37 FR 10889, May 31, 1972, as amended at 39 FR 16347, May 8, 1974; 45 FR 33627, May 20, 1980