Natural gas liquids (NGLs)

Natural gas liquids (NGLs) means those hydrocarbons in natural gas that are separated from the gas as liquids through the process of absorption, condensation, adsorption, or other methods. Generally, such liquids consist of ethane, propane, butanes, and pentanes plus. Bulk NGLs refers to mixtures of NGLs that are sold or delivered as undifferentiated product from natural gas processing plants.


40 CFR § 98.6

Scoping language

All terms used in this part shall have the same meaning given in the Clean Air Act and in this section.

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