Category Archives: Polyfluoroalkyl substances

PFOA in drinking water around Ohio River Valley

Starting in 1951, the chemical company DuPont produced the important fluoropolymer Teflon at a plant at Parkersburg, West Virginia, USA. The surface-active substance perfluorooctanoic acid (PFOA) was used as an auxiliary agent for the polymerization. During the years the company underplayed the danger of PFOA, although some workers at the plant contracted rare cancer diseases.…
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Zürich Statement on Future Actions on Per- and Polyfluoroalkyl Substances (PFASs)

Per- and polyfluoroalkyl substances (PFASs) are man-made chemicals. To date, over 4,000 unique PFASs have been used in technical applications and consumer products, and some of them have been detected globally in human and wildlife biomonitoring studies. Because of their extraordinary persistence, human and environmental exposure to PFASs will be a long-term source of concern.…
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The EU regulation of PFOA published

In the News blog from December 15, 2016, it was discussed, that EU had decided to ban the production and use of perfluorooctanoic acid (PFOA) (EC 206-397-9; CAS 335-67-1) and related chemicals used in production of fluoropolymers, textiles, paper and fire-fighting foams, because of their unique properties, with high stability and extremely low surface tensions.…
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Norwegian Environment Agency publishes report on PFBS

The Norwegian Environment Agency has just published  a report on "Investigation of sources to PFBS in the Environment" written by COWI and NIPSECT, Denmark. Perfluorobutanesulfonate/sulfonic acid (PFBS) is a short-chain PFAS, which uses are increasing as it is one of the most important subsitutes for the banned chemical perfluorooctanesulfonate/sulfonic acid (PFOS). The report can be downloaded…
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