Nonmethane hydrocarbons (NMHC) means the sum of all hydrocarbon species except methane. Refer to 40 CFR 1065.660 for NMHC determination.


40 CFR § 1039.801

Scoping language

The following definitions apply to this part. The definitions apply to all subparts unless we note otherwise. All undefined terms have the meaning the Act gives to them. The definitions follow:

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