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NA 134

VDI/DIN-Commission on Air Pollution Prevention (KRdL) - Standards Committee

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Drafts of NA 134

Number: 20

DIN ISO 13964/A1 2025-06 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method - AMENDMENT 1: Consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air) (ISO 13964:1998/Amd.1:2024); Text in German and English More  Comment draft
DIN ISO 8932-3 2025-04 Meteorology - Radiosonde - Part 3: Laboratory test method for solar radiation error of temperature sensor in radiosonde (ISO/DIS 8932-3:2025); Text in German and English More  Read draft and comment
DIN ISO 8932-2 2025-04 Meteorology - Radiosonde - Part 2: Laboratory test method for errors in radiosonde humidity sensor calibration (ISO/DIS 8932-2:2025); Text in German and English More  Read draft and comment
DIN ISO 28902-4 2025-03 Air quality - Environmental meteorology - Part 4: Ground-based remote sensing of meteorological parameters - Particle backscatter lidar (ISO/DIS 28902-4:2025); Text in German and English More 
DIN EN 18168 2025-03 Ambient air - Biomonitoring with higher plants - Method of the standardised grass exposure; German and English version prEN 18168:2025 More 
DIN ISO 8932-1 2024-12 Meteorology - Radiosonde - Part 1: Laboratory test method for calibration error of temperature sensor in radiosonde (ISO/DIS 8932-1:2024); Text in German and English More 
DIN ISO 12219-12 2024-05 Interior air of road vehicles - Part 12: Artificial leather made from PVC or Polyurethane - Specification and methods for the determination of fogging characteristics of trim materials in the interior of automobiles (ISO/DIS 12219-12:2024); Text in German and English More 
DIN ISO 16000-22 2023-12 Indoor air - Part 22: Detection and quantification of fungal biomass by fungal β-N-acetylhexosaminidase enzyme activity (ISO/DIS 16000-22:2023); Text in German and English More 
DIN ISO 16000-43 2023-12 Indoor air - Part 43: Standard method for assessing the reduction rate of culturable airborne fungi by air purifiers using a test chamber (ISO/DIS 16000-43:2023); Text in German and English More 
DIN EN 16339 2023-12 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling; German and English version prEN 16339:2023 More 

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