U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 98.268 - Definitions.

All terms used in this subpart have the same meaning given in the Clean Air Act and subpart A of this part.

[74 FR 56374, Oct. 30, 2009, as amended at 78 FR 71965, Nov. 29, 2013]