Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is proposing to approve portions of the revisions to the Arkansas State Implementation Plan (SIP) including revisions to the Arkansas Pollution Control and Ecology Commission's (``Commission'' or APC&EC) Rule No. 19, Rules of the Arkansas Plan of Implementation for Air Pollution Control submitted by the Arkansas Department of Energy and Environment, Division of Environmental Quality (DEQ) via the Arkansas Governor's Office on June 22, 2022. Most of the revisions are administrative in nature and make the SIP current with Federal rules.