
ISO 23431:2021
ISO 23431:2021 Measurement of road tunnel air quality
CDN $305.00
SKU: d27d26edcfe0
Categories: ICS:13.040.20, ICS:93.060
Description
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.
Edition
1
Published Date
2021-03-19
Status
PUBLISHED
Pages
31
Format 
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment
Abstract
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.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-

ISO 22262:2014 Air quality – Bulk materials – Part 2: Quantitative determination of asbestos by gravimetric and microscopical methods
CDN $336.00 Add to cart -

ISO 18145:2003 Environmental tobacco smoke -Determination of vapour phase nicotine and 3-ethenylpyridine in air – Gas-chromatographic method
CDN $192.00 Add to cart -

ISO 10815:2016 Mechanical vibration – Measurement of vibration generated internally in railway tunnels by the passage of trains
CDN $259.00 Add to cart -

ISO 16000:2025 Indoor air – Part 43: Standard method for assessing the reduction rate of culturable airborne fungi by air purifiers using a test chamber
CDN $192.00 Add to cart







