Approval and Promulgation of Implementation Plans; State of Utah; Logan, Utah-Idaho PM2.5

Publication Date: 
Wednesday, May 19, 2021 - 4:00am

The Environmental Protection Agency (EPA) is approving the request by the State of Utah to redesignate the Logan, Utah-Idaho (UT- ID) nonattainment area (NAA) (Logan NAA) to attainment status for the 2006 24-hour National Ambient Air Quality Standards (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 microns (PM<INF>2.5</INF>), and approving related State Implementation Plan (SIP) revisions submitted by the State of Utah on November 5, 2019, and January 13, 2020. EPA is taking this action pursuant to the Clean Air Act (CAA or the Act). A separate EPA redesignation rulemaking will be conducted for the Idaho portion of the Logan NAA.

Environmental Protection Agency