Registration number (WIID)Project No.TitleStatus
62998LVS EN ISO 23874:2019Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006)Standarts spēkā
62890LVS EN ISO 20765-2:2019Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015)Standarts spēkā
62889LVS EN ISO 20765-1:2019Natural gas - Calculation of thermodynamic properties - Part 1: Gas phase properties for transmission and distribution applications (ISO 20765-1:2005)Standarts spēkā
61352LVS EN ISO 14532:2017Natural gas - Vocabulary (ISO 14532:2014)Standarts spēkā
64361EN ISO 6145-7:2018Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers (ISO/DIS 6145-7:2017)Standarts spēkā
74767LVS CEN/TR 1404:2024Test gases - Determination of emissions from appliances burning gaseous fuels during type-testingStandarts spēkā
71721LVS EN 437:2021Test gases - Test pressures - Appliance categoriesStandarts spēkā
76596EN ISO 14912:2025Gas analysis - Conversion of gas mixture composition data (ISO 14912:2025)Standarts spēkā
23971EN ISO 6978-2:2005Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy (ISO 6978-2:2003)Standarts spēkā
35800EN ISO 13734:2013Natural gas - Organic components used as odorants - Requirements and test methods (ISO/DIS 13734:2012)Standarts spēkā
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