On November 6, 2020, the Environmental Protection Agency (EPA) published a notice of proposed rulemaking to approve 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 acted on multiple related State Implementation Plan (SIP) submissions.

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Kansas. This final action will amend the SIP to remove the Kansas City, Kansas low Reid Vapor Pressure (RVP) fuel requirement which required gasoline sold in the Kansas City, Kansas area to have a seven pounds per square inch (psi) Reid Vapor Pressure from June 1 to September 15. The majority of the state is subject to the Clean Air Act (CAA) nine pounds per square inch Reid Vapor Pressure fuel requirement from June 1 to September 15.

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by Georgia, through the Georgia Environmental Protection Division (GA EPD), on September 16, 2019, for the purpose of removing certain transportation control measures (TCMs) from the SIP for the thirteen counties in the Atlanta, Georgia, area. EPA is also approving Georgia's update to the 2008 8- hour ozone maintenance plan that was submitted in the September 16, 2019, SIP revision.

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the North Carolina State Implementation Plan (SIP) submitted by the State of North Carolina through the North Carolina Department of Environmental Quality, Division of Air Quality (DAQ), on July 10, 2019. The SIP revision seeks to modify the State's construction and operation permitting regulations by making minor changes that do not significantly alter the meaning of the regulations. EPA is approving this revision pursuant to the Clean Air Act (CAA or Act).