Registration number (WIID)Project No.TitleStatus
67485EN 14625:2024Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometryStandarts spēkā
70010LVS EN 16976:2024Ambient air - Determination of the particle number concentration of atmospheric aerosolStandarts spēkā
77394LVS CEN/TR 18076:2024Ambient air - Equivalence of automatic measurements of elemental carbon (EC) and organic carbon (OC) in PMStandarts spēkā
64668LVS EN 17656:2023Stationary source emissions - Requirements on proficiency testing schemes for emission measurementsStandarts spēkā
71127LVS EN 14884:2023Stationary source emissions - Determination of total mercury - Automated measuring systemsStandarts spēkā
63737LVS CEN/TR 17554:2021Ambient air - Application of EN 16909 for the determination of elemental carbon (EC) and organic carbon (OC) in PM10 and PMcoarseStandarts spēkā
38745LVS CEN/TS 17337:2019Stationary source emissions - Determination of mass concentration of multiple gaseous species - Fourier transform infrared spectroscopyStandarts spēkā
37089LVS CEN/TS 17021:2017Stationary source emissions - Determination of the mass concentration of sulphur dioxide by instrumental techniquesStandarts spēkā
65028LVS EN 17255-2:2020Stationary source emissions - Data acquisition and handling systems - Part 2: Specification of requirements on data acquisition and handling systemsStandarts spēkā
66429LVS EN ISO 21877:2020Stationary source emissions - Determination of the mass concentration of ammonia - Manual method (ISO 21877:2019)Standarts spēkā
Displaying 391-400 of 466 results.