1. Short title This Act may be cited as the PFAS-Free Firefighting Foam Transition Reporting Act . 2. Progress reports on the national transition plan related to a fluorine-free firefighting foam (a) In general Not later than 180 days after the date of enactment of this section, and every 180 days thereafter until the progress report termination date described in subsection (c), the Administrator of the FAA, in consultation with the Administrator of the Environmental Protection Agency and the Secretary of Defense, shall submit to the appropriate committees of Congress a progress report on the development and implementation of a national transition plan related to a fluorine-free firefighting foam that— (1) meets the performance standards referenced in chapter 6 of AC No: 150/5210–6D and is acceptable under section 139.319(l) of title 14, Code of Federal Regulations, for use at part 139 airports; and (2) includes the issuance of guidance related to the use of fluorine-free firefighting foam at airports that are not part 139 airports, consistent with subsection (b)(3). (b) Required information Each progress report required by subsection (a) shall include the following: (1) An assessment of the progress made by the FAA with respect to providing part 139 airports with— (A) guidance from the Environmental Protection Agency on acceptable environmental limits relating to such fluorine-free firefighting foam; (B) guidance from the Department of Defense on that department's transition to a fluorine-free firefighting foam; (C) best practices for the decontamination of existing aircraft rescue and firefighting vehicles, systems, and other equipment used to deploy firefighting foam at part 139 airports