U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 96.3 - Measurements, abbreviations, and acronyms.

Measurements, abbreviations, and acronyms used in this part are defined as follows:

Btu—British thermal unit. hr—hour. Kwh—kilowatt hour. lb—pounds. mmBtu—million Btu. MWe—megawatt electrical. ton—2000 pounds. CO2—carbon dioxide. NOX—nitrogen oxides. O2—oxygen.