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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 ISO/TC 158/WG 3

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Document number	Begin	Title	Comment
DIN EN ISO 6142-1/A1	2026-06-29	Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - AMENDMENT 1: Corrections to formulae in Annex E and Annex G (ISO 6142-1:2015/Amd 1:2020); German and English version EN ISO 6142-1:2015/prA1:2026 More	Comment

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Projects of ISO/TC 158/WG 3

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