EPA Proposes Approval for Oklahoma Clean Air Plan Updates
November 18, 2025
November 18, 2025
WASHINGTON, Nov. 18 (TNSFR) -- The U.S. Environmental Protection Agency has proposed to approve parts of revisions to the Oklahoma state implementation plan (SIP) designed to update the state's source review (NSR) permit program.
These revisions, submitted by the State of Oklahoma's designee between 2002 and 2025, also include general amendments to the Oklahoma SIP. The EPA's proposed action is required by the Federal Clean Air Act (CAA), which mandates states to deve . . .
These revisions, submitted by the State of Oklahoma's designee between 2002 and 2025, also include general amendments to the Oklahoma SIP. The EPA's proposed action is required by the Federal Clean Air Act (CAA), which mandates states to deve . . .