2024年10月3日 · EPA's researchers and partners across the country are working hard to answer critical questions about PFAS: How to better and more efficiently detect and measure PFAS in …

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 …

全氟辛烷磺酸（perfluorooctane sulfonate, PFOS）是环境、生物群和人体组织中检出率和浓度水平最高的PFAS，以ng/L级的浓度广泛存在于世界各地水生环境中，在北极和南极的水体中也 …

2024年5月7日 · Also known as perfluorooctanoic acid, PFOA is a human-made chemical. It's part of the same class of chemicals as PFAS. You’ll find PFOA in products that resist sticking, …

2025年3月18日 · Basic information about PFOA, PFOS and other PFAS/PFCs; how people are exposed; health effects; laws and regs that apply; and what EPA and states are doing to …

2025年3月6日 · Indeed, as of January 2026, U.S. companies manufacturing PFAS in the USA or importing PFAS or finished or semifinished compounds and formulations containing PFAS …

2024年2月13日 · Per- and Polyfluoroalkyl Substances (PFASs) are toxic, man-made, hazardous chemicals that have dangerous effects on the environment and our health. They are a large …

2024年9月26日 · Per- and polyfluoroalkyl substances (PFAS) are a large class of thousands of synthetic chemicals that are used throughout society. However, they are increasingly detected …

Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) are part of a large group of lab-made chemicals known as perfluoroalkyl and polyfluoroalkyl substances (PFAS). Some of …

2019年2月14日 · PFAS is short for perfluoroalky and polyfluoroalkyl substances and includes chemicals known as PFOS, PFOA and GenX. They are all identified by signature elemental …