The EPA is proposing to grant Wyoming Department of Environmental Quality's (WDEQ) August 21, 2020 request to transfer to the State administrative authority over two federal permits that were issued by the EPA on June 26, 1973 under the federal new source review (NSR) permitting program. In addition, the EPA is proposing to agree with WDEQ's analysis in its August 21, 2020 letter demonstrating that the current Wyoming regulations still meet the requirements of the federal NSR permitting program. This action is proposing to transfer the 1973 federally issued permits to Wyoming.

The Environmental Protection Agency (EPA) is redesignating the Idaho portion of the Logan, Utah-Idaho fine particulate matter (PM<INF>2.5</INF>) nonattainment area (Logan UT-ID NAA) to attainment for the 2006 PM<INF>2.5</INF> National Ambient Air Quality Standard (NAAQS).

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP) submitted by the State of Nebraska on September 24, 2020. This final action will amend the SIP to revise the Nebraska Administrative Code ``Nebraska Rules of Practice and Procedure.'' These rules describe the procedures the Nebraska Department of Environment and Energy (NDEE), formerly the Nebraska Department of Environmental Quality (NDEQ), will follow for proceedings under the Administrative Procedure Act.

The Environmental Protection Agency (EPA) is approving a revision to the Washington State Implementation Plan (SIP) that was submitted by the Department of Ecology (Ecology) in coordination with the Spokane Regional Clean Air Agency (SRCAA). This revision updates the SIP with local SRCAA regulations that apply in lieu of, or in supplement to, Ecology's statewide general air quality regulations for SRCAA's jurisdiction.