The Environmental Protection Agency (EPA) is approving a request submitted by the Ohio Environmental Protection Agency (Ohio EPA) on January 24, 2018, to revise the Ohio State Implementation Plan (SIP) under the Clean Air Act (CAA). Ohio EPA is requesting to remove provisions under Ohio Administrative Code (OAC) Chapter 3745-75, that were approved into the Ohio SIP as part of Ohio's Hospital/Medical/Infectious Waste Incinerator (HMIWI) State plan under sections 110(d) and 129 of the CAA. EPA proposed to approve the State's submittal on April 12, 2019.