Sep 30, 2025 · Scientific studies have shown that exposure to some PFAS in the environment may be linked to harmful health effects in humans and animals. There are thousands of PFAS chemicals, …

Nov 1, 2023 · This article provides information on what PFAS chemicals are, their sources, how they impact us, and what we can do about it.

Sep 27, 2024 · The information provided here is intended to explain some of the important background information needed to understand the details of specific actions EPA takes to address PFAS, and …

Per- and polyfluoroalkyl substances are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain. Different organizations use different …

Sep 10, 2025 · Per- and polyfluoroalkyl substances (PFAS) are a large, complex group of synthetic chemicals that have been used in consumer products around the world since about the 1950s. They …

PFAS, also known as “forever chemicals,” have emerged as a serious environmental and public health threat due to their persistence and widespread contamination.

Sep 15, 2023 · PFAS stands for per- and polyfluoroalkyl substances and refers to a class of human-made chemicals that includes over 12,000 compounds and growing, produced intentionally or …

PFAS, or per- and polyfluoroalkyl substances, are a class of long lasting chemicals known as “forever chemicals” because they do not break down in the environment. They move through air, soil and …

Dec 2, 2025 · PFAS Explained Learn about EPA's current understanding of PFAS and discover steps you can take to reduce PFAS risk.

PFAS stand for perfluoroalkyl or polyfluoroalkyl substances — a group of chemicals with properties that allow them to repel water and oil, reduce friction and resist heat. Because PFAS do not break down …