Per- and polyfluoroalkyl substances - Wikipedia
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 definitions for PFAS, leading to estimates of between 8,000 and 7 …
Jefferson Proving Ground :: U.S. Army Environmental Command
The Army follows the federal cleanup law, the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980 (also known as “Superfund”), and long-standing Environmental...
PFAS Explained | US EPA - U.S. Environmental Protection Agency
Oct 3, 2024 · 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 …
PFAS 'forever chemicals' are everywhere. Here's what you should …
Jun 22, 2022 · Short for "per-and polyfluoroalkyl substances," PFAS are a class of thousands of man-made chemicals that have been around since the 1940s. And as the nickname suggests, "forever chemicals" are...
2.2 Chemistry, Terminology, and Acronyms – PFAS — Per- and ...
There is no universally accepted definition of PFAS. However, in general, PFAS are compounds characterized as having carbon atoms linked to each other and bonded to fluorine atoms at most or all of the available carbon bonding sites.
Interactive Map: PFAS Contamination Crisis: New Data Show …
Update: November 20, 2024: The Environmental Protection Agency has released the sixth round of public water system quarterly testing data for the toxic fluorinated “ forever chemicals ” known as PFAS, as required by its Fifth Unregulated Contaminant Monitoring Rule, or UCMR-5.
Our Current Understanding of the Human Health and …
May 16, 2024 · Learn what EPA is doing to address PFAS. PFAS are a group of manufactured chemicals that have been used in industry and consumer products since the 1940s because of their useful properties. There are thousands of different PFAS, some of which have been more widely used and studied than others.
Understanding PFAS - What They Are, Their Impact, and What We …
Per-and-polyfluoroalkyl substances (PFAS) are a collective name for a broad class of man-made chemicals of emerging concern that have recently been in the spotlight due to potential human and environmental health risks. While the public attention to PFAS is relatively new, the chemicals have been used globally since the 1940s.
Per- and Polyfluoroalkyl Substances (PFAS) | US EPA
Jul 12, 2024 · EPA expects that over many years the final rule will prevent PFAS exposure in drinking water for approximately 100 million people, prevent thousands of deaths, and reduce tens of thousands of serious PFAS-attributable illnesses.
Per- and Polyfluoroalkyl Substances (PFASs) - UNEP - UN …
Feb 1, 2024 · 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 family of fluorinated chemicals that have partially or completely …