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NA 134

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

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Projects of NA 134

Number: 54

ISO/AWI 26731 2026-10-08 Spectroscopic Method for Measurement of Microplastics in Air More  Comment 
ISO/AWI 16000-3 2026-10-02 Indoor air - Part 3: Determination of formaldehyde and other carbonyl compounds in indoor air and test chamber air - Active sampling method More  Comment 
ISO/AWI 4225 2026-09-21 Air quality - General aspects - Vocabulary More  Comment 
DIN EN 18418 2026-07-27 Stationary source emissions - Protocol for the SI-traceable calibration of elemental mercury (Hg0) gas generators used in the field More  Comment 
DIN EN 14626/A1 2026-07-06 Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy; German and English version EN 14626:2024/prA1:2026 More  Comment 
DIN EN 14625/A1 2026-07-06 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry; German and English version EN 14625:2024/prA1:2026 More  Comment 
DIN EN 14212/A1 2026-07-06 Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescence; German and English version EN 14212:2024/prA1:2026 More  Comment 
DIN EN 14211/A1 2026-07-06 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German and English version EN 14211:2024/prA1:2026 More  Comment 
DIN EN 00264242 2026-06-29 Ambient air - Standard method for the measurement of organic ozone precursor concentrations - Part 1: Automatic online monitoring using thermal desorption and gas chromatography More  Comment 
DIN EN 00264239 2026-06-29 Ambient air - Standard method for the measurement of organic ozone precursor concentrations - Part 2: Pumped sampling followed by thermal desorption and gas chromatography More  Comment 

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