PFAAs: Perfluoroalkyl Acids.
PFAS: Poly- and Perfluoroalkyl substances. The umbrella term for all PFAAs, PFOA, PFOS, and all other chemicals in this category.
PFOA: Perfluorooctanoic Acid.
PFOS: Perfluorooctane Sulfonate.
You might recognize the name PFAS or PFAAs from headlines over the past few years regarding the presence of these chemicals in consumer products like menstrual underwear, and...