Welcome to the PFAs Section of ResponderHelp.com

This section of the site is dedicated to PFAs topics of national interest. The associated articles to the right (down below the state listing on mobile) include general information, infographics, research projects and federal legislation related to PFAs.

PFAs

There has been a significant amount of research into the hazards of per- and polyfluoroalkyl substances (PFAS) to the environment and to the people that use them. PFAS are the active ingredient in fluorosurfactants. In simple fire terms, PFAS’ are the active ingredient in Class B foams that are fluorine based. The vast majority of the Class B firefighting foam in stock or service in the United States is aqueous film-forming foam (AFFF) or alcohol-resistant aqueous film-forming foam (AR-AFFF). These foams contain PFAS. Class B foams that are fluorine-free do NOT contain PFAS.

What Are PFAs?

Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that include perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS). PFAS have been manufactured and used in a variety of industries around the globe, including in the United States since the 1940s. PFOA and PFOS have been the most extensively produced and studied of these chemicals. Both chemicals are very persistent in the environment and in the human body – meaning they don’t break down and they can accumulate over time. There is evidence that exposure to PFAS can lead to adverse human health effects. This is a concern in fire and emergency services because fluorine based Class B foams contain PFAS.

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