Regulations last checked for updates: Feb 11, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026

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