- (a) No major stationary source shall be constructed or modified in any nonattainment area if the emissions from such facility will cause or contribute to concentrations of any pollutant for which a national ambient air quality standard is exceeded in such area, without first obtaining a permit which requires the proposed source to be constructed or modified in accordance with the requirements of this part.
(b)
- (1) The requirements in subsection (a) of this section apply only to major stationary sources of emissions that cause or contribute to concentrations of the pollutant for which the nonattainment area was designated as nonattainment.
- (2) A major stationary source or major modification that is major for volatile organic compounds is also major for ozone.