Regulations last checked for updates: Dec 18, 2025

Title 40 - Protection of Environment last revised: Dec 11, 2025

WHAT THIS SUBPART COVERS
EMISSION LIMITATIONS AND WORK PRACTICE 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.