Registration number (WIID)Project No.TitleStatus
38397CEN/TR 16998:2016Ambient air - Report on nitro- and oxy-PAHs - Origin, toxicity, concentrations and measurement methodsStandarts spēkā
67488LVS EN 14626:2024Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopyStandarts spēkā
67487EN 14212:2024Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescenceStandarts spēkā
67485EN 14625:2024Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometryStandarts spēkā
67488EN 14626:2024Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopyStandarts spēkā
67486EN 14211:2024Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescenceStandarts spēkā
70640CEN/TS 18040:2024Stationary source emissions - Determination of the mass concentration of formaldehyde - Automatic methodStandarts spēkā
67630LVS CEN/TS 17434:2020Ambient air - Determination of the particle number size distribution of atmospheric aerosol using a Mobility Particle Size Spectrometer (MPSS)Standarts spēkā
25616LVS EN ISO 16000-7:2007Indoor air - Part 7: Sampling strategy for determination of airborne asbestos fibre concentrationsStandarts spēkā
22437LVS EN ISO 20988:2007Air quality - Guidelines for estimating measurement uncertaintyStandarts spēkā
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