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2. Are PFAS really 'forever chemicals'? It's complicated ... - AOL

   www.aol.com/pfas-really-forever-chemicals...

   PFAS, short for perfluoroalkyl and polyfluoroalkyl substances, are a large family of chemicals that have been used in a wide variety of products and industries because of their unique stain- and ...

3. Per- and polyfluoroalkyl substances - Wikipedia

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

   Per- and polyfluoroalkyl substances ( PFAS [1] or PFASs [2]) are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain; there are 7 million such chemicals according to PubChem. [3] PFAS came into use after the invention of Teflon in 1938 to make fluoropolymer coatings and products ...

4. PFAS 'forever chemicals' are everywhere, and here's how they ...

   www.aol.com/pfas-forever-chemicals-everywhere...

   PFAS then accumulates the biomass in fish, wildlife, ecosystems and humans. Two of the primary compounds of concern, PFOA and PFOS, pose a host of potential risks, particularly to children and ...

5. Here’s what you can do about PFAS in your drinking water - AOL

   www.aol.com/pfas-drinking-water-203151585.html

   PFAS, or per- and polyfluorinated substances, were invented in the late 1930s and have been used to make coatings and products that resist heat, grease, stains, oil and water, according to the ...

6. Perfluorononanoic acid - Wikipedia

   en.wikipedia.org/wiki/Perfluorononanoic_acid

   In acidic form it is a highly reactive strong acid. In its conjugate base form as a salt it is stable and commonly ion paired with ammonium. In the commercial product Surflon S-111 (CAS 72968-3-88) it is the primary compound present by weight. PFNA is used as surfactant for the production of the fluoropolymer polyvinylidene fluoride.

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

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

   PFAS compounds and their derivatives are widely used in many products from water resistant textiles to fire-fighting foam. [4] [1] PFAS are commonly found in every American household in products as diverse as non-stick cookware, stain resistant furniture and carpets, wrinkle free and water repellant clothing, cosmetics, lubricants, paint, pizza ...

8. PFAS 'forever chemicals' can harm you. So where are ... - AOL

   www.aol.com/pfas-forever-chemicals-harm-where...

   Per-and polyfluoroalkyl substances are found in thousands of products most Americans use or come into contact with daily, such as: Food containers that have PFAs are waterproof and grease-proof ...

9. Perfluorooctanoic acid - Wikipedia

   en.wikipedia.org/wiki/Perfluorooctanoic_acid

   Perfluorooctanoic acid ( PFOA; conjugate base perfluorooctanoate; also known colloquially as C8, for its 8-carbon chain structure) is a perfluorinated carboxylic acid produced and used worldwide as an industrial surfactant in chemical processes and as a material feedstock. PFOA is considered a surfactant, or fluorosurfactant, due to its ...