Overview
Perfluorooctanesulfonamide (PFOSA) is a member of a class of chemicals called per- and polyfluoroalkyl substances or PFAS. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.3 ppt
The EWG Health Guideline of 0.3 ppt for perfluorooctanesulfonamide (PFOSA) was defined by EPA's final toxicity value for PFOS from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects against cardiovascular harm and harm to fetal growth.
ppt = parts per trillion
National Standard Exists
Health Concerns:
Cancer
Harm to the immune system
Hormone disruption
Harm to fetal growth and child development
Harm to the liver
