§ 52.1771. Classification of regions.
58 words·~1 min read·
/us/cfr/t40/s§ 52.1771·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
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 [37 FR 10884, May 31, 1972]