In August 2024, the Drinking Water Inspectorate ( DWI ) published a guidance for PFAS in drinking water requiring water companies in England and Wales to monitor for PFAS with a guideline value of 0.1 micrograms per litre for the sum of 48 named PFAS (up from 47), which is equivalent to 0.1 parts per billion. [15] In Development The European Commission is in the process of developing a groundwater testing norm that includes a focus on 24 PFAS, with a proposed standard of 4.4 ng/L (as PFOA equivalents) for both surface and groundwater, as part of the Environmental Quality Standards Directive. [ 23 ] The Committees for Risk Assessment (RAC) and for Socio-Economic Analysis (SEAC) progressed their evaluation of the proposed restriction on PFAS under the EU REACH in March 2025. [ 24 ]
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www.lgcstandards.com/AXIO
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