SNZ AS/NZS 3580.18
Methods for sampling and analysis of ambient air Method 18: Measurement of road tunnel air quality
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| Organization: | SNZ |
| Publication Date: | 28 September 2017 |
| Status: | active |
| Page Count: | 34 |
scope:
This Standard describes methods for determining air velocity and flow direction, carbon monoxide (CO), nitric oxide (NO) and nitrogen dioxide (NO2) concentrations and visibility in road tunnels using direct-reading instruments.
This Standard applies to the measurement of air quality and air velocity inside road tunnels.
Document History
SNZ AS/NZS 3580.18
September 28, 2017
Methods for sampling and analysis of ambient air Method 18: Measurement of road tunnel air quality
This Standard describes methods for determining air velocity and flow direction, carbon monoxide (CO), nitric oxide (NO) and nitrogen dioxide (NO2) concentrations and visibility in road tunnels using...