The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This revision pertains to the Commonwealth's plan, submitted by the Pennsylvania Department of Environmental Protection (PADEP), for maintaining the 1997 8-hour ozone national ambient air quality standard (NAAQS) (referred to as the ``1997 ozone NAAQS'') for the York-Adams Area of Pennsylvania. EPA is approving these revisions to the Pennsylvania SIP in accordance with the requirements of the Clean Air Act (CAA).

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 proposing to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD), Placer County Air Pollution Control District (PCAPCD) and the South Coast Air Quality Management District (SCAQMD) portion of the California State Implementation Plan (SIP). These revisions concern emissions of: Volatile organic compounds (VOCs) and particulate matter (PM) from metal coating operations. We are proposing to approve local rules and rescissions to regulate these emission sources under the Clean Air Act (CAA or the Act).

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.