WASHINGTON, July 16 -- Environmental Protection Agency has issued a proposed rule called: Air Plan Partial Approval and Partial Disapproval; Colorado; Regional Haze Plan for the Second Implementation Period.

The proposed rule was published in the Federal Register on July 16 by Cyrus M. Western, Regional Administrator, Region 8.

Summary: The Environmental Protection Agency (EPA) is proposing to partially approve and partially disapprove a regional haze state implementation plan (SIP) submission submitted by the State of Colorado under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the program's second implementation period. Colorado's 2022 SIP submission addresses the requirement that states revise their long-term strat...