National Steel Corporation, Great Lakes Steel Division v. Anne B. Gorsuch, Administrator, U.S. Environmental Protection Agency

NATHANIEL R. JONES, Circuit Judge,

The Environmental Protection Agency (EPA), in a final agency action pursuant to the Clean Air Act, as amended, 42 U.S.C. § 7401, et seq., has approved, conditionally approved, and disapproved various provisions of the State Implementation Plan adopted by the State of Michigan in an effort to comport with nationally-required air quality standards. Petitioner National Steel Corporation, Great Lakes Steel Division, is seeking review of that action. For the reasons detailed below, we find that the EPA administrator neither overstepped the bounds of her authority…