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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ISO 23431
Measurement of road tunnel air quality

Title (German)

Messung der Luftqualität in Straßentunneln

Responsible national committee

NA 134-04-02 AA - Ambient air measurement methods

Responsible international committee

ISO/TC 146/SC 3/WG 22 - Measurement of substances in ambient air from transportation sources

Edition 2021-03

Original language English

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Table of contents

PDF (EN)

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ISO 23431 Measurement of road tunnel air quality

Responsible national committee

Responsible international committee

Elisabeth Hösen-Seul

Want to learn more?

ISO 23431
Measurement of road tunnel air quality