Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals that have been in use since the 1940s in a wide array of consumer products and facilities.  PFAS is an issue of high and growing concern for EPA customers and the public, and so EPA is committed to taking action to address public concerns. The document below provides an overview of EPA's research to help address this issue. For more information, please go to https://19january2021snapshot.epa.gov/chemical-research/research-and-polyfluoroalkyl-substances-pfas 

• Presentation: EPA's Science-Based Approach to Understanding and Managing Environmental Risk from PFAS (PDF)(22 pp, 1 MB, September 25, 2020)
  A pdf powerpoint presentation giving an overview of EPA's PFAS research.