The Environmental Protection Agency (EPA) is finalizing a limited approval and limited disapproval of a revision to the Amador Air District's (AAD or ``District'') portion of the California State Implementation Plan (SIP). This revision governs the District's issuance of permits for stationary sources, and focuses on the preconstruction review and permitting of major sources and major modifications under part D of title I of the Clean Air Act (CAA or ``Act'').

The Environmental Protection Agency (EPA) is approving a revision to the North Carolina State Implementation Plan (SIP) submitted by the State of North Carolina Department of Environmental Quality, Division of Air Quality, via a letter dated April 13, 2021, and received by EPA on April 14, 2021. This revision contains minor clarifying and typographical edits to North Carolina's cotton ginning operations rule. EPA is finalizing approval of these changes pursuant to the Clean Air Act (CAA or Act).

The Environmental Protection Agency (EPA) is extending the comment period for the proposed rule ``Finding of Failure to Attain the Primary 2010 One-Hour Sulfur Dioxide Standard for the St. Bernard Parish, Louisiana Nonattainment Area'' that was published on December 7, 2021. The proposal provided for a public comment period ending January 6, 2022. The EPA received a request from the public to extend this comment period. The EPA is extending the comment period to January 13, 2022.

The Environmental Protection Agency (EPA) is taking final action to partially approve a revision to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD) portion of the California State Implementation Plan (SIP). This revision concerns emissions of oxides of nitrogen (NO<INF>X</INF>) and fine particulate matter (PM<INF>2.5</INF>) from off-road diesel agricultural vehicles and equipment.