https://www.epa.gov/sdwa/human-health-toxicity-assessment-perfluorooctane-sulfonic-acid-pfos
Human Health Toxicity Assessment for Perfluorooctane Sulfonic Acid (PFOS) | US EPA
Dec 29, 2025 - The Environmental Protection Agency has finalized the human health toxicity assessment for Perfluorooctane Sulfonic Acid (PFOS) and related salts.
perfluorooctane sulfonic acidhuman healthtoxicityassessment