Regulations last checked for updates: Jan 18, 2025

Title 40 - Protection of Environment last revised: Dec 30, 2025

WHAT THIS SUBPART COVERS
EMISSIONS LIMITATIONS
WORK PRACTICE STANDARDS
OPERATION AND MAINTENANCE REQUIREMENTS
GENERAL COMPLIANCE REQUIREMENTS
INITIAL COMPLIANCE REQUIREMENTS
CONTINUOUS COMPLIANCE REQUIREMENTS
NOTIFICATIONS, REPORTS, AND RECORDS
OTHER REQUIREMENTS AND INFORMATION
DEFINITIONS
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.