40 CFR § 97.3
Measurements, abbreviations, and acronyms
June 9, 2020
Measurements, abbreviations, and acronyms used in this part are defined as follows:
Btu-British thermal unit.
CO2-carbon dioxide.
hr-hour.
kW-kilowatt electrical.
kWh-kilowatt hour.
lb-pounds.
mmBtu-million Btu.
MWe-megawatt electrical.
NOX-nitrogen oxides.
O2-oxygen.
ton-2000 pounds.