Registration number (WIID)Project No.TitleStatus
27466EN 15852:2010Ambient air quality - Standard method for the determination of total gaseous mercuryIzstrādē
80074-Metrological traceable protocol for the calibration of oxidised mercury gas generatorsIzstrādē
74410EN 15267-2:2023Air quality - Assessment of air quality monitoring equipment - Part 2: Initial assessment of the manufacturer’s quality management system and post certification surveillance for the manufacturing processIzstrādē
71740EN 17255-4:2023Stationary source emissions — Data acquisition and handling systems — Part 4: Specification of requirements for the installation and on-going quality assurance and quality control of data acquisition and handling systemsIzstrādē
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
64093prEN 14662-1 revAmbient air quality - Standard method for measurement of benzene concentrations - Part 1 : Pumped sampling followed by thermal desorption and gas chromatographyIzstrādē
13555EN 13528-1:2002Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 1: General requirementsIzstrādē
79399CEN/TS 18275:2026Ambient air - Definition and use of modelling quality objectives for air quality assessmentIzstrādē
39906EN 16450:2017Ambient air - Automated measuring systems for the measurement of the concentration of particulate matter (PM10; PM2,5)Izstrādē
74409EN 15267-1:2023Air quality - Assessment of air quality monitoring equipment - Part 1: General principles of certificationIzstrādē
Displaying 371-380 of 462 results.