Regulations last checked for updates: Jan 30, 2025

Title 40 - Protection of Environment last revised: Nov 08, 2025

WHAT THIS SUBPART COVERS
EMISSION LIMITATIONS, OPERATING LIMITS, AND WORK PRACTICE STANDARDS
GENERAL COMPLIANCE REQUIREMENTS
TESTING AND 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.