Notes:

1, To avoid freezing in the cryogenic processing unit
2, Except California: 18 mg/Nm3
3, Most US gas specifications are based upon heating value, not Wobbe Index. This has historically been adequate because most gas supplies came from interstate transmission pipelines with very homogeneous gas compositions.

Unite Convert:

Wobbe Index (WI) =
HHV or LHV / SG
1 MJ/m3 = 26.839 Btu/SCF


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