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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Projects of CEN/TC 444/WG 2

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Document number	Begin	Title	Comment
DIN EN ISO 22155 rev	2026-10-29	Soil quality - Gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected ethers - Static headspace method More	Comment
DIN EN ISO 23161 rev	2025-08-28	Soil quality - Determination of selected organotin compounds - Gas-chromatographic method More	Comment
DIN EN ISO 25652	2024-10-28	Soil, sludge, waste and sediment - Analysis of perfluoroalkyl and polyfluoroalkyl substances (PFAS) by high performance liquid chromatography (HPLC) and mass spectrometry (ISO/FDIS 25652:2026); German version FprEN 25652:2026 More	Comment

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