(a) Emission limitations and related provisions which are established in Pennsylvania operating permits as federally enforceable conditions shall be enforceable by EPA. 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 requirements which do not conform with the operating permit program requirements or the requirements of EPA's underlying regulations.

(b) Emission limitations and related provisions which are established in Pennsylvania general operating permits as federally enforceable conditions shall be enforceable by EPA. EPA reserves the right to deem general permit conditions not federally enforceable. Such a determination will be made according to appropriate procedures, and be based upon the general permit, general permit approval procedures, or general permit requirements which do not conform with the general operating permit program requirements or the requirements of EPA's underlying regulations.