StacksVerified U.S. regulatory reference

40 CFR §63.8680

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
This subpart establishes national emission standards for hazardous air pollutants (NESHAP) for existing and new asphalt processing and asphalt roofing manufacturing facilities. This subpart also establishes requirements to demonstrate initial and continuous compliance with the emission limitations.