52.1427—Operating permits.
Emission limitations and related provisions which are established in the city of Omaha and Lincoln-Lancaster operating permits as Federally enforceable conditions shall be enforceable by EPA. The EPA reserves the right to deem permit conditions not Federally enforceable. Such a determination will be made according to appropriate procedures and be based upon the permit, permit approval procedures, or permit requirement which do not conform with the operating permit program requirements or the requirements of EPA underlying regulations.