NF ISO 23431
Measurement of road tunnel air quality
This document describes methods for determining air speed and flow direction, CO, NO and NO2 concentrations and visibility in road tunnels using direct-reading instruments. This document specifically excludes requirements relating to instrument conformance testing.
This document describes methods for determining air speed and flow direction, CO, NO and NO2 concentrations and visibility in road tunnels using direct-reading instruments. This document specifically excludes requirements relating to instrument conformance testing.
- Avant-propos
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1 Domaine d'application
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2 Références normatives
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3 Termes et définitions
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4 Paramètre d'essai - Vitesse et sens du courant d'air
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5 Paramètres d'essai - Monoxyde de carbone, oxyde d'azote et dioxyde d'azote
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6 Paramètre d'essai - Visibilité
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7 Contrôle et assurance de la qualité
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8 Rapport d'essai
- Bibliographie
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