Registration number (WIID)Project No.TitleStatus
71673LVS EN ISO 20765-5:2022Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)Standarts spēkā
32316EN ISO 12213-2:2009Natural gas - Calculation of compression factor - Part 2: Calculation using molar-composition analysis (ISO 12213-2:2006)Standarts spēkā
76595LVS EN ISO 6143:2025Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025)Standarts spēkā
74767CEN/TR 1404:2024Test gases - Determination of emissions from appliances burning gaseous fuels during type-testingStandarts spēkā
40209EN ISO 15971:2014Natural gas - Measurement of properties - Calorific value and Wobbe index (ISO 15971:2008)Standarts spēkā
71059LVS EN ISO 10101-1:2022Natural gas - Determination of water by the Karl Fischer method - Part 1: General requirements (ISO 10101-1:2022)Standarts spēkā
61352EN ISO 14532:2017Natural gas - Vocabulary (ISO 14532:2014)Standarts spēkā
71060LVS EN ISO 10101-2:2022Natural gas - Determination of water by the Karl Fischer method - Part 2: Volumetric procedure (ISO 10101-2:2022)Standarts spēkā
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