§ 52.2421. Classification of regions.
66 words·~1 min read·
/us/cfr/t40/s§ 52.2421·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
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 [37 FR 15090, July 27, 1972, as amended at 39 FR 16347, May 8, 1974]