Aqueous Film Forming Foam - Port of seattle fire department. Pfas is often a component of aqueous film. Web aqueous film forming foam (afff) is a highly efficient type of fire suppressant agent, used by itself to attack flammable liquid pool.
Port of seattle fire department. Pfas is often a component of aqueous film. Web aqueous film forming foam (afff) is a highly efficient type of fire suppressant agent, used by itself to attack flammable liquid pool.