Regulations last checked for updates: Feb 11, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026
§ 52.2377 - Review of new sources and modifications.

Regulation 5-501(3) entitled “Default Permits” is disapproved.

[45 FR 10782, Feb. 19, 1980]
cite as: 40 CFR 52.2377