Classification of regions.

§ 52.1771 Classification of regions.

The North Carolina 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)
Western Mountain IntrastateIIIIIIIIIIIII
Eastern Mountain IntrastateIIIIIIIIIIIII
Metropolitan Charlotte InterstateIIIIIIIIII
Northern Piedmont IntrastateIIIIIIIIIIIII
Eastern Piedmont IntrastateIIIIIIIIIIIII
Northern Coastal IntrastateIIIIIIIIIIIII
Southern Coastal IntrastateIIIIIIIIIIIIII
Sandhills IntrastateIIIIIIIIIIIIII
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