Notwithstanding any other provision to the contrary, the Illinois Emergency Management Agency shall have sole jurisdiction over all boilers and pressure vessels contained within or upon or in connection with any nuclear facility within this State. The Illinois Emergency Management Agency shall have the same authority and shall have and exercise the same powers and duties in relation to those boilers and pressure vessels under this Act as the Board or the State Fire Marshal have and exercise in relation to all boilers and pressure vessels in this State that are not included in this Section. Notwithstanding any other provision to the contrary, the Illinois Emergency Management Agency shall establish by rule the types and frequency of inspections of boilers and pressure vessels contained within or upon or in connection with any nuclear facility. The rules may provide that multiple boilers and pressure vessels in a nuclear power system shall be covered by a single inspection certificate. The Illinois Emergency Management Agency may enter into such agreements with the Board or the State Fire Marshal as are necessary to carry out its duties under this Act. The agreements may provide that the Illinois Emergency Management Agency shall accept and recognize Special Inspector Commissions issued by the State Fire Marshal.