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Code · CFR · Title 40 — Protection of Environment · Part 52 · § 52.51

§ 52.51. Classification of regions.

66 words·~1 min read·/us/cfr/t40/s§ 52.51·

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The Alabama plan was evaluated on the basis of the following classifications: Air quality control region Pollutant Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants (hydrocarbons) Alabama & Tombigbee Rivers IntrastateIIIIIIIIIIIIII Columbus (Georgia)-Phenix City (Alabama) InterstateIIIIIIIIIIIII East Alabama IntrastateIIIIIIIIIIIII Metropolitan Birmingham IntrastateIIIIIIII Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi InterstateIIIIIIIII Southeast Alabama IntrastateIIIIIIIIIIIIII Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) InterstateIIIIIIIIIII [37 FR 10847, May 31, 1972]
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§ 52.51
Classification of regions.
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