Registration number (WIID)Project No.TitleStatus
22437EN ISO 20988:2007Air quality - Guidelines for estimating measurement uncertainty (ISO 20988:2007)Izstrādē
66429EN ISO 21877:2019Stationary source emissions - Determination of the mass concentration of ammonia - Manual method (ISO 21877:2019)Izstrādē
27811EN ISO 16911-1:2013Stationary source emissions - Determination of velocity and volume flow rate in ducts - Part 1: Manual reference method (ISO/DIS 16911-1:2011)Izstrādē
40032-Ambient air - Standard method for the determination of the concentration of volatile ydrocarbon ozone precursors by on-line sampling, thermal desorption and gas chromatographyIzstrādē
31105CEN/TS 1948-5:2015Stationary source emissions - Determination of the mass concentration of PCDDs/PCDFs and dioxin-like PCBs - Part 5: Long-term sampling of PCDDs/PCDFs and PCBsIzstrādē
33384-Air quality - Determination of the particle size distribution of atmospheric aerosolIzstrādē
74409EN 15267-1:2023Air quality - Assessment of air quality monitoring equipment - Part 1: General principles of certificationIzstrādē
25616EN ISO 16000-7:2007Indoor air - Part 7: Sampling strategy for determination of airborne asbestos fibre concentrations (ISO 16000-7:2007)Izstrādē
39061EN 14792:2017Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescenceIzstrādē
25762prEN 15267-2Air quality - Certification of automated measuring systems - Part 2: Minimum requirements for product quality assurance, initial assessment and on-going surveillanceIzstrādē
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