Registration number (WIID)Project No.TitleStatus
81200-Test Gases - Test pressures - Appliances categories for hydrogen admixtures - Expansion of EN 437-1Izstrādē
81528prEN ISO 6978-2 revNatural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloyIzstrādē
81853EN ISO 6145-7:2018/prA1Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 7: Thermal mass-flow controllers — Amendment 1Izstrādē
82173prEN ISO 15403-1 revNatural gas — Natural gas for use as a compressed fuel for vehicles — Part 1: Designation of the qualityIzstrādē
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