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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: 56

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 14625/A1 2026-07-06 Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry A1; German and English version prEN 14625/A1:2026 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 A1; German and English version prEN 14212/A1:2026 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 A1; German and English version prEN 14626/A1:2026 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 A1; German and English version prEN 14211/A1:2026 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 
DIN CEN/T? 00264241 2026-06-29 Ambient air - Standard method for the measurement of organic ozone precursor concentrations - Part 6: Diffusive sampling of formaldehyde on DNPH followed by offline HPLC/UV More  Comment 
DIN CEN/T? 00264244 2026-06-29 Ambient air - Standard method for the measurement of organic ozone precursor concentrations - Part 5: Manual or automatic pumped sampling of formaldehyde on DNPH followed by offline HPLC/UV More  Comment 
DIN EN 00264240 2026-06-29 Ambient air - Standard method for the measurement of organic ozone precursor concentrations - Part 4: Diffusive sampling followed by thermal desorption and gas chromatography More  Comment 

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