§ 52.2421 - Classification of regions.  


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  • § 52.2421 Classification of regions.

    The Virginia 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
    Valley of Virginia Intrastate I III III III III
    Central Virginia Intrastate I III III III III
    Northeastern Virginia Intrastate IA III III III III
    State Capital Intrastate I III III III I
    Hampton Roads Intrastate I II III III I
    National Capital Interstate I I III I I

    [37 FR 15090, July 27, 1972, as amended at 39 FR 16347, May 8, 1974]