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COMMITTEE AND THE COMMITTEE OF THE ... - European …
EN EN European COMMISSION Brussels, SWD(2020) 249 final COMMISSION STAFF WORKING DOCUMENT Poly- and perfluoroalkyl substances (PFAS) Accompanying the document COMMUNICATION FROM THE COMMISSION TO THE European PARLIAMENT, THE COUNCIL, THE European ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGIONS Chemicals Strategy for Sustainability Towards a Toxic-Free Environment {COM(2020) 667 final} - {SWD(2020) 225 final} - {SWD(2020) 247 final} - {SWD(2020) 248 final} - {SWD(2020) 250 final} - {SWD(2020) 251 final} 1 COMMISSION STAFF WORKING DOCUMENT Poly- and perfluoroalkyl substances (PFAS) 1. What are PFAS: properties, uses, concerns and sources of emissions Poly- and perfluoroalkyl substances (PFAS) are a group of widely used man-made organic chemical substances. They contain alkyl groups1 on which all or many of the hydrogen atoms have been replaced with fluorine2. Well known PFAS contain fully fluorinated carbon chains3 of various chain lengths attached to a functional group, like carboxylic or sulfonic acids.
16 Liu et al. (2014), Microbial degradation of polyfluoroalkyl chemicals in the environment: a review. Butt et al. (2013), Biotransformation pathwayss of fluorotelomer-based polyfluoroalkyl substances: a review. 17 Kwiatkowski et al. (2020), Scientific basis to manage PFAS as a chemical class
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