An Emerging Family of Contaminants:  PFAS

PFAS are a family of complex compounds primarily consisting of perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).  PFAS have very useful properties and therefore were included in many products in the past. PFASs have often been used to make materials stain-resistant, waterproof, and/or nonstick.  When added to fire-fighting foam, these chemicals are very effective at … Continue reading An Emerging Family of Contaminants:  PFAS