Title 40
SECTION 96.203
96.203 Measurements, abbreviations, and acronyms.
§ 96.203 Measurements, abbreviations, and acronyms.Measurements, abbreviations, and acronyms used in this subpart and subparts BBB through III are defined as follows:
Btu - British thermal unit CO2 - carbon dioxide H2O - water Hg - mercury hr - hour kW - kilowatt electrical kWh - kilowatt hour lb - pound mmBtu - million Btu MWe - megawatt electrical MWh - megawatt hour NOX - nitrogen oxides O2 - oxygen ppm - parts per million scfh - standard cubic feet per hour SO2 - sulfur dioxide yr - year [71 FR 25387, Apr. 28, 2006]