Registration number (WIID)Project No.TitleStatus
25881EN 13725:2003/AC:2006Air quality - Determination of odour concentration by dynamic olfactometryAtcelts
66788EN 13725:2022Stationary source emissions - Determination of odour concentration by dynamic olfactometry and odour emission rateIzstrādē
13554EN 14181:2004Stationary source emissions - Quality assurance of automated measuring systemsAtcelts
33416EN 14181:2014Stationary source emissions - Quality assurance of automated measuring systemsIzstrādē
13568EN 14211:2005Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescenceAtcelts
31489EN 14211:2012Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescenceAtcelts
67486EN 14211:2024Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescenceStandarts spēkā
13567EN 14212:2005Ambient air quality - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescenceAtcelts
31490EN 14212:2012Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescenceAtcelts
41787EN 14212:2012/AC:2014Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescenceAtcelts
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