StacksVerified U.S. regulatory reference

40 CFR §63.9980

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
This subpart establishes national emission limitations and work practice standards for hazardous air pollutants (HAP) emitted from coal- and oil-fired electric utility steam generating units (EGUs) as defined in § 63.10042 of this subpart. This subpart also establishes requirements to demonstrate initial and continuous compliance with the emission limitations.