Environmental Protection Agency April 27, 2017 – Federal Register Recent Federal Regulation Documents

The Environmental Protection Agency (EPA) is proposing to approve a source-specific revision to the Arizona state implementation plan (SIP) that provides an alternative to Best Available Retrofit Technology (BART) for the Coronado Generating Station (``Coronado''), owned and operated by the Salt River Project Agricultural Improvement and Power District. The EPA proposes to find that the BART alternative for Coronado would provide greater reasonable progress toward natural visibility conditions than BART, in accordance with the requirements of the Clean Air Act and the EPA's Regional Haze Rule. In conjunction with this proposed approval, we propose to withdraw those portions of the federal implementation plan (FIP) that address BART for Coronado. We also propose to codify the removal of those portions of the Arizona SIP that have either been superseded by previously approved revisions to the Arizona SIP or would be superseded by final approval of the SIP revision for Coronado.