2024年9月26日 · They can be gases, liquids, or solid high-molecular weight polymers. Some PFAS are described as long-chain or short-chain, but this does not cover all of the different …

2024年6月4日 · Per- and polyfluoroalkyl substances (PFAS) are a large, complex group of synthetic chemicals that have been used in consumer products around the world since about …

2018. Zurich statement on future actions on per- and polyfluoroalkyl substances (PFASs). Environ Health Perspect 126(8):84502. For more information on the National Institute of Environmental …

2023年2月7日 · − PFASs are used in high tonnages in a variety of applications − Emissions occur in all life cycle stages − Monitoring data: ubiquitous presence of PFASs in the environment …

2023年2月7日 · The authorities estimate that around 4.4 million tonnes of PFASs would end up in the environment over the next 30 years unless action is taken. Peter van der Zandt , ECHA’s …

NIEHS is supporting an aggressive program of research on human exposure to per- and poly-fluoroalkyl substances (PFAS) chemicals and the potential for PFAS exposure to cause harm …

of precursors (polymeric PFASs excluded from quantification) iii. 50 ppm for PFASs (polymeric PFASs included). If total fluorine exceeds 50 mg F/kg the manufacturer, importer or …

2023年3月22日 · a fraction of the PFASs that may be present in products. However, the broad classes of PFASs of interest have been identified (main report, Figure 1) and it is known what …

2024年11月20日 · 1 (3) P.O. Box 400, FI-00121 Helsinki, Finland | Tel. +358 9 686180 | echa.europa.eu . Progress update on the per- and polyfluoroalkyl substances

2024年3月13日 · Next steps for PFAS restriction proposal. The European Chemicals Agency (ECHA) outlines how its two scientific committees will progress in evaluating the proposal to …