Code of Federal Regulations Title 40. Protection of Environment § 40.51.1113 Section 182(f) NO X exemption provisions

(a) A person or a state may petition the Administrator for an exemption from NO_X obligations under CAA section 182(f) for any area designated nonattainment for the 2008 ozone NAAQS and for any area in a CAA section 184 ozone transport region.

(b) The petition must contain adequate documentation that the criteria in CAA section 182(f) are met.

(c) A CAA section 182(f) NO_X exemption granted for the 1–hour or 1997 ozone NAAQS does not relieve the area from any NO_X obligations under CAA section 182(f) for the 2008 ozone NAAQS.