Regulations last checked for updates: Oct 08, 2025

Title 40 - Protection of Environment last revised: Sep 08, 2029

WHAT THIS SUBPART COVERS
COMPLIANCE DATES
EMISSION LIMITS, WORK PRACTICE STANDARDS, AND COMPLIANCE REQUIREMENTS
ALTERNATIVE MEANS OF COMPLIANCE
NOTIFICATION, REPORTS, AND RECORDS
OTHER REQUIREMENTS AND INFORMATION
authority: 42 U.S.C. 7401