Section 501.100 - Purpose and scope(a) Anyone may request that OFE commence a rulemaking proceeding pursuant to 5 U.S.C. 553(e) ; however, this subpart provides the procedures to be followed by- (1) An interested person seeking the modification or rescission of a prohibition by rule applicable to a new facility;(2) An owner or operator of a facility named in a prohibition by rule requesting the modification or rescission of that rule; or(3) An owner or operator subject to an exemption order or a specific prohibition imposed by order requesting the modification or a rescission of that order.(b) OFE also may commence a modification or rescission proceeding on its own initiative.