Regulations last checked for updates: Jan 18, 2025

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

APPLICABILITY
EMISSION STANDARDS
GENERAL COMPLIANCE REQUIREMENTS
MONITORING AND COMPLIANCE DETERMINATION PROCEDURES
NOTIFICATION, REPORTS, AND RECORDS
OTHER REQUIREMENTS AND INFORMATION
authority: 42 U.S.C. 7401
source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.