[OECD Report] Reconciling Terminology of the Universe of Per- and Polyfluoroalkyl Substances: Recommendations and Practical Guidance
July 12, 2021
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This report summarizes recent efforts by the OECD/UNEP Global PFC Group in reviewing the universe and terminology of PFAS to provide recommendations and practical guidance to stakeholders including a revised definition of PFAS.
"PFASs are defined as fluorinated substances that contain at least one fully fluorinated methyl or methylene carbon atom (without any H/Cl/Br/I atom attached to it), i.e. with a few noted exceptions, any chemical with at least a perfluorinated methyl group (–CF3) or a perfluorinated methylene group (–CF2–) is a PFAS."