Scientific Basis for Managing PFAS as a Chemical Class
WEBAug 8, 2020 · PFAS are also used directly or as technical aids (dispersants and emulsifiers) in many industrial applications, such as in metal coatings, lubricants for machinery, membranes, and firefighting foams. PFAS are used in the synthesis of or as adjuvants in pesticides, in medical procedures and …
PFAS Explained | US EPA - U.S. Environmental Protection Agency
WEB4 days ago · How to better and more efficiently detect and measure PFAS in our air, water, soil, and fish and wildlife; How much people are exposed to PFAS; How harmful PFAS are to people and the environment; How to remove PFAS from drinking water; How to manage and dispose of PFAS
Per- and Polyfluoroalkyl Substances (PFAS) | US EPA
WEBAug 26, 2024 · 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 reduce exposures.
WEBNov 11, 2020 · PFAS are useful in pesticides as surfactants, dispersants, preservatives, and anti-foaming agents. EPA’s “InertFinder” lists several PFAS as approved inerts for pesticides (see Figure 1). 21
Per- and polyfluoroalkyl substances (PFAS) - ECHA
WEBApr 15, 2024 · Per- and polyfluoroalkyl substances (PFAS) are a large class of thousands of synthetic chemicals that are used throughout society. However, they are increasingly detected as environmental pollutants and some are linked to negative effects on human health.
WEBRecent EPA Actions on PFAS •Announced plans to revise effluent limitations guidelines for key industries using PFAS (August 2021) •Released Draft Method 1633, a laboratory method to test for 40 PFAS in wastewater, surface water, groundwater, soil, biosolids, sediment, landfill leachate and fish tissue (August 2021)
PFAS: Per- and Polyfluoroalkyl Substances - Department of Energy
WEBDOE’s “Per-and polyfluoroalkyl substances (PFAS) Update” includes general information on PFAS, the Department’s PFAS mission statement, recent actions and ongoing efforts to address PFAS, additional PFAS resources and contact information.
Basic Information on PFAS | US EPA
WEBJan 14, 2021 · Most people have been exposed to PFAS. Certain PFAS can accumulate and stay in the human body for long periods of time. There is evidence that exposure to PFAS can lead to adverse health outcomes in humans. The most-studied PFAS chemicals are PFOA and PFOS.
Perfluoroalkyl and Polyfluoroalkyl Substances in the …
WEBJul 25, 2011 · PFAS surfactants, often referred to as “fluorinated surfactants,” “fluorosurfactants,” “fluorinated tensides,” or “fluorotensides,” are superior in their aqueous surface tension reduction at very low concentrations and are useful as wetting and leveling agents, emulsifiers, foaming agents, or dispersants (Kissa 1994; Taylor 1999 ...
Understanding PFAS - What They Are, Their Impact, and What We …
WEBNov 1, 2023 · Because of the strong carbon-fluorine bonds that are hydrophobic (or water-hating) and the hydrophilic (or water-liking) functional groups on the compounds, PFAS can repel water, oil, stains, and some can remain stable even at extreme temperatures.