Approval and Promulgation of Air Quality Implementation Plans; State of Utah; Revisions to Ozone Offset Requirements in Davis and Salt Lake Counties

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The Environmental Protection Agency (EPA) is taking final action to approve State Implementation Plan (SIP) revisions submitted by the State of Utah on August 20, 2013, and on June 29, 2017. The submittals revise the portions of the Utah Administrative Code (UAC) that pertain to ozone offset requirements in Davis and Salt Lake Counties for major sources. This action is being taken under section 110 of the Clean Air Act (CAA) (Act).