Code of Federal Regulations (Last Updated: April 5, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 52 - Approval and Promulgation of Implementation Plans |
Subpart RR - Tennessee |
§ 52.2221 - Classification of regions.
Latest version.
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§ 52.2221 Classification of regions.
The Tennessee 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) Eastern Tennessee-Southwestern Virginia Interstate I I III III III Tennessee River Valley-Cumberland Mountains Intrastate I I III III III Middle Tennessee Intrastate I II III III I Western Tennessee Intrastate I III III III III Chattanooga Interstate I II III III III Metropolitan Memphis Interstate I III III III I [37 FR 10894, May 31, 1972, as amended at 39 FR 16347, May 8, 1974]