(a) In this subtitle the following words have the meanings indicated.
(b) “Class B fire–fighting foam” means a foam designed for flammable liquid fire.
(c) “PFAS chemicals” means a class of fluorinated organic chemicals that:
(1) Contain at least one fully fluorinated carbon atom, including perfluoroalkyl and polyfluoroalkyl substances; and
(2) Are designed to be fully functional in Class B fire–fighting foam formulations.