CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 51—REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS > SUBPART X—Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard (§51.900 to §51.918) > 51.913—How do the section 182(f) NO X exemption provisions apply for the 8-hour NAAQS?

51.913—How do the section 182(f) NO X exemption provisions apply for the 8-hour NAAQS?

(a) A person may petition the Administrator for an exemption from NOX obligations under section 182(f) for any area designated nonattainment for the 8-hour ozone NAAQS and for any area in a section 184 ozone transport region.
(b) The petition must contain adequate documentation that the criteria in section 182(f) are met.
(c) A section 182(f) NOX exemption granted for the 1-hour ozone standard does not relieve the area from any NOX obligations under section 182(f) for the 8-hour ozone standard.

Code of Federal Regulations

[70 FR 71701, Nov. 29, 2005]