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.

ComponentAmount fraction range (%mol/mol)
Nitrogen0.1 to 22
carbon dioxide0.05 to 15
Methane34 to 100
Ethane0.1 to 35
Propane0.05 to 15
iso-butane0.01 to 2
n-butane0.01 to 2
neo-pentane0.002 to 0.35
iso-pentane0.005 to 0.35
n-pentane0.005 to 0.35
n-hexane0.001 to 0.35
2-methylpentane0.001 to 0.35
3-methylpentane0.001 to 0.35
2,2-dimethylbutane0.001 to 0.35
Benzene0.001 to 0.2
cyclohexane0.001 to 0.2
n-heptane0.001 to 0.2
toluene0.001 to 0.1
methylcyclohexane0.001 to 0.1
n-octane0.0005 to 0.05
n-nonane0.0005 to 0.02
n-decane0.0005 to 0.005
C6+0.001 to 0.35
helium0.005 to 0.2
hydrogen0.005 to 0.2