This table was updated on 06 October 2020 and refers to the new ISO 17034 scope for EffecTech in the UK only (Issue No. 001).
For the most up-to-date information, see EffecTech’s ISO 17034 scope.
|Binary Emission Gas Mixtures||amount fraction range (mol/mol)|
|carbon monoxide||10 ppm to 1000 ppm|
|carbon dioxide||0.1% to 15%|
|oxygen||0.5% to 25%|
|nitric oxide||10 ppm to 600 ppm|
|nitrogen dioxide||5 ppm to 500 ppm|
|sulphur dioxide||10 ppm to 1000 ppm|
|methane (in nitrogen)||0.1% to 5%|
|methane (in synthetic air)||0.1% to 2.5%|
|Oxygen Gas Mixtures|
|oxygen in natural gas mixtures or nitrogen||10 ppm to 22.5%|