Regulations last checked for updates: Feb 21, 2025

Title 40 - Protection of Environment last revised: Nov 21, 2025

WHAT THIS SUBPART COVERS
EMISSION LIMITATIONS AND STANDARDS
OPERATION AND MAINTENANCE REQUIREMENTS
GENERAL COMPLIANCE REQUIREMENTS
INITIAL COMPLIANCE REQUIREMENTS
CONTINUOUS 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.