Registration number (WIID)Project No.TitleStatus
11339EN 437:1993/A2:1999Test gases - Test pressures - Appliance categoriesAtcelts
23969EN ISO 6976:2005Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999)Atcelts
18768EN ISO 10101-3:1998Natural gas - Determination of water by the Karl Fischer method - Part 3: Coulometric procedure (ISO 10101-3:1993)Atcelts
11339LVS EN 437:1993 +A1:1997 /A2:2003Test gases - Test pressures - Appliance categoriesAtcelts
11340LVS EN 437:2003Test gases - Test pressures - Appliance categoriesAtcelts
32589LVS EN 437+A1:2009 ATest gases - Test pressures - Appliance categoriesAtcelts
11336LVS CR 1404:2016Determination of emissions from appliances burning gaseous fuels during type-testingAtcelts
77314prEN ISO 6974-4Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidance on gas analysis (ISO/DIS 6974-4:2025)Aptauja
35800EN ISO 13734:2013Natural gas - Organic components used as odorants - Requirements and test methods (ISO 13734:2013)Standarts spēkā
66879LVS EN ISO 15112:2019Natural gas - Energy determination (ISO 15112:2018)Standarts spēkā
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