Classification of regions.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Air Programs
  6. Approval and Promulgation of Implementation Plans
  7. North Carolina
  8. Classification of regions.

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§ 52.1771 Classification of regions.

The North Carolina plan was evaluated on the basis of the following classifications:

Expand Table
Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants (hydrocarbons)
Western Mountain Intrastate I III III III III
Eastern Mountain Intrastate I III III III III
Metropolitan Charlotte Interstate I II III III I
Northern Piedmont Intrastate I III III III III
Eastern Piedmont Intrastate I III III III III
Northern Coastal Intrastate I III III III III
Southern Coastal Intrastate II III III III III
Sandhills Intrastate II III III III III

[37 FR 10884, May 31, 1972]


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