Regulations last checked for updates: Jan 18, 2025

Title 40 - Protection of Environment last revised: Dec 30, 2025
§ 52.1776 - Visibility protection.

(a) Disapproval. On April 4, 2022, the North Carolina Department of Environmental Quality, Division of Air Quality submitted a revision to its SIP to address regional haze for the second planning period. The portions of this SIP revision addressing the requirements of 40 CFR 51.308(f)(2) and (3) and (i)(2) through (4) are disapproved.

(b) [Reserved]

[89 FR 92600, Nov. 22, 2024]
authority: 42 U.S.C. 7401
cite as: 40 CFR 52.1776