Regulations last checked for updates: Sep 13, 2026

Title 40 - Protection of Environment last revised: Sep 09, 2026

WHAT THIS SUBPART COVERS
CATALYTIC CRACKING UNITS, CATALYTIC REFORMING UNITS, SULFUR RECOVERY UNITS, AND BYPASS LINES
GENERAL COMPLIANCE REQUIREMENTS
NOTIFICATIONS, REPORTS, AND RECORDS
OTHER REQUIREMENTS AND INFORMATION
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.