The Administrator shall publish in the Federal Register notice of all applications for licenses and permits, all proposals to issue or transfer licenses and permits, all regulations implementing this chapter, all terms, conditions, and restrictions on licenses and permits, and all proposals to significantly modify licenses and permits. Interested persons shall be permitted to examine the materials relevant to any of these actions, and shall have at least 60 days after publication of such notice to submit written comments to the Administrator.

The Administrator shall hold a public hearing in an appropriate location and may employ such additional methods as the Administrator deems appropriate to inform interested persons about each action specified in paragraph (1) and to invite their comments thereon.