• Shopping Cart
    There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

SS-ISO 23431:2021

Current

Current

The latest, up-to-date edition.

Outdoor air - Measurement of air quality in road tunnels

Available format(s)

Hardcopy

Language(s)

English

Published date

12-04-2021

£151.50
Excluding VAT

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.

Committee
TC 146
DocumentType
Standard
Pages
0
ProductNote
This standard also refers to - ISO 6145
PublisherName
Standardiserings-Kommissionen I Sverige
Status
Current

Standards Relationship
ISO 23431:2021 Identical

£151.50
Excluding VAT