Regulations last checked for updates: Oct 08, 2025

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

WHAT THIS SUBPART COVERS
EMISSION LIMITATIONS AND WORK PRACTICE STANDARDS
GENERAL COMPLIANCE REQUIREMENTS
TESTING AND INITIAL COMPLIANCE REQUIREMENTS
CONTINUOUS COMPLIANCE REQUIREMENTS
NOTIFICATIONS, REPORTS, AND RECORDS
OTHER REQUIREMENTS AND INFORMATION
TABLES TO SUBPART KKKKK OF PART 63
authority: 42 U.S.C. 7401