2020-24444: Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5 Redesignations to Attainment and Utah State Implementation Plan Revisions
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The Environmental Protection Agency (EPA) is proposing the redesignation of the Salt Lake City, Utah and Provo, Utah nonattainment areas (NAAs) to attainment for the 2006 24-hour fine particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 microns (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS), and also acting on multiple related State Implementation Plan (SIP) submissions. We are proposing to approve SIP revisions submitted by the State of Utah on January 19, 2017; April 19, 2018; February 4 and 15, 2019; and January 13, May 21, and July 21, 2020. These SIP submissions include revisions to Utah Administrative Code (UAC) Sections R307-110, R307-200, and R307-300 Series; revisions to Utah SIP Sections X.B and E; revisions to Utah SIP Sections IX.H.11, 12, and 13; best available control measures/best available control technologies (BACM/BACT) PM<INF>2.5</INF> determinations for Salt Lake City and Provo; maintenance plans for the Salt Lake City and Provo areas for PM<INF>2.5</INF>; and the request for redesignation under the 2006 24- hour PM<INF>2.5</INF> standard. Additionally, the EPA is proposing to approve, through parallel processing, a request to remove startup and shutdown emission limits for Kennecott's Power Plant in the Utah SIP and the accompanying R307-110-17 revisions (draft dated October 9, 2020). The EPA is taking this action pursuant to the Clean Air Act (CAA or the Act).
The agency’s own summary, as published.
What this changes
Amends 2 parts of the Code of Federal Regulations — the standing rules this notice rewrites.
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