Per and polyfluoroalkyl substances (PFASs) are persistent organic pollutants (POPs) and more than 4000 different PFASs can be found today. They are used in several industrial applications (greaseproof paper, firefighting foam, stain repellents) because of their hydrophobic and lipophobic characteristics. PFOS (a perfluoroalkyl sulfonic acid (PFSA)) and PFOA (a perfluoroalkyl carboxylic acid (PFCA)) ...