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2. Per- and polyfluoroalkyl substances - Wikipedia

   en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl...

   Different organizations use different definitions for PFAS, leading to estimates of between 8,000 and 7 million chemicals within the group. The EPA toxicity database, DSSTox, lists 14,735 unique PFAS chemical compounds. [41] [42] An early definition required that they contain at least one perfluoroalkyl moiety, −C n F 2n+1. [12]

3. Why is the EPA regulating PFAS and what are these 'forever ...

   www.aol.com/news/why-epa-regulating-pfas-forever...

   Here are the essential things to know about the family of chemicals and EPA's latest action: WHAT ARE PFAS? PFAS, or perfluoroalkyl and polyfluoroalkyl substances, are a group of chemicals that ...

4. EPA may list PFAS as hazardous substance - AOL

   www.aol.com/epa-may-list-pfas-hazardous...

   Feb. 3—SANTA FE — The U.S. Environmental Protection Agency on Thursday announced two proposed rules "to ensure that certain per- and polyfluoroalkyl substances (PFAS), also known as 'forever ...

5. What are ‘forever chemicals'? What to know about PFAS ... - AOL

   www.aol.com/forever-chemicals-know-pfas-private...

   In February 2023 the federal government announced a $2 billion effort to combat “emerging contaminants” − such as PFAS − in disadvantaged communities, and the EPA says that program offers ...

6. CompTox Chemicals Dashboard - Wikipedia

   en.wikipedia.org/wiki/CompTox_Chemicals_Dashboard

   The CompTox Chemicals Dashboard is a freely accessible online database created and maintained by the U.S. Environmental Protection Agency (EPA). The database provides access to multiple types of data including physicochemical properties, environmental fate and transport, exposure, usage, in vivo toxicity, and in vitro bioassay.

7. Why EPA's new rules target these six PFAS chemicals ... - AOL

   www.aol.com/why-epas-rules-target-six-125354292.html

   Despite the nearly 15,000 Per- and Polyfluoroalkyl Substances (PFAS) known, the EPA singled out six in the first-ever federal limits for these chemicals in drinking water. PFAS, dubbed "forever ...

8. EPA imposes first national limits on 'forever chemicals' in ...

   www.aol.com/news/epa-imposes-first-national...

   For the first time, the EPA has set limits for six types of PFAS chemicals in drinking water. The chemicals have been linked to health issues and can linger permanently in the environment.

9. Timeline of events related to per- and polyfluoroalkyl ...

   en.wikipedia.org/wiki/Timeline_of_events_related...

   The DoD has "used foam containing" PFAS chemicals "in exercises at bases across the country". The DoD, therefore, "risks the biggest liabilities" in relation to the use of PFAS chemicals according to Politico. [71] March 2018 The PFAS Expert Health Panel on PFAS submitted their commissioned report to the Australian government. [89]