Classification of regions.

§ 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 InterstateIIIIIIIIIII
Valley of Virginia IntrastateIIIIIIIIIIIII
Central Virginia IntrastateIIIIIIIIIIIII
Northeastern Virginia IntrastateIAIIIIIIIIIIII
State Capital IntrastateIIIIIIIIIII
Hampton Roads IntrastateIIIIIIIIII
National Capital InterstateIIIIIII
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