Okla. Admin. Code § 252:100-7-2.1
Greenhouse gas (GHG) emissions shall not be included in a minor facility permit nor cause a facility to be subject to minor facility permitting requirements contained in OAC 252:100-7, unless the owner or operator of that facility requests that GHG emission limits and/or physical or operational limitations be included in a minor permit for the facility to set enforceable limits to keep potential GHG emission levels below the applicability threshold levels for the PSD construction permit program and/or the Part 70 operating permit program. Physical or operational limitations may include, but are not limited to, air pollution control equipment, restrictions on hours of operation, and/or restrictions on the type or amount of material combusted, stored, or processed.
Okla. Admin. Code § 252:100-7-2.1