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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: 14

DIN EN 1948-5 2026-06 Stationary source emissions - Determination of the mass concentration of PCDDs/PCDFs and dioxin-like PCBs - Part 5: Long-term sampling of PCDDs/PCDFs/PCBs; German and English version prEN 1948-5:2026 More 
DIN ISO 4226 2026-02 Air quality - General aspects - Units of measurement (ISO/DIS 4226:2025); Text in German and English More 
DIN EN ISO 16911-1 2025-09 Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 1: Manual reference method (ISO/DIS 16911-1:2025); German and English version prEN ISO 16911-1:2025 More 
DIN ISO 16000-3 2025-09 Indoor air - Part 3: Determination of formaldehyde and other carbonyl compounds in indoor and test chamber air - Active sampling method (ISO/DIS 16000-3:2025); Text in German and English More 
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 
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 
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 
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 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 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 

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