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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.
Skeletal structure of PFOS, an effective, persistent and bioaccumulative fluorosurfactant A physical sample of PFOA, appearing as a white solid as seen here in a relatively pure form. It is commonly referred to as the main harmful PFAS chemical and PFOA is responsible for many of the negative health effects commonly associated with PFAS.
Examples include PFOA and PFOS, frequently present in water-resistant textiles and sprays conferring water-resistant properties to textiles and fire-fighting foam. [3] Data from animal studies of PFOA indicate that it can cause several types of tumors and neonatal death and may have toxic effects on the immune, liver, and endocrine systems.
The state added PFOA to its Proposition 65 list of chemicals that are known to cause reproductive toxicity in 2017 and to the list known to cause cancer in 2022. But it's one of only around a ...
Research has increasingly found chemicals and other worrisome materials in many products that come into contact with food. Most recently, a study found high levels of toxic flame retardants in ...
Wyre Council said ICI, and subsequent site owner AGC Chemicals, were permitted to use PFOA from the 1950s to 2012. The substance was used in everyday items like non-stick pans and waterproof clothing.
2016 The EPA "published a voluntary health advisory for PFOA and PFOS" which warned that "exposure to the chemicals at levels above 70 parts per trillion, total, could be dangerous." [71] 2016 The city of Lake Elmo, Minnesota, sued 3M a second time for polluting their drinking water with PFAS chemicals.
Government opinions differ regarding what's the safe level of PFOA - a chemical used by firefighters to put out electrical and oil fires. Michael Dourson: How safe is the chemical PFOA? Skip to ...