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Electronic Code of Federal Regulations
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e-CFR data is current as of December 10, 2019
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Title 40: Protection of Environment
PART 97—FEDERAL NOX BUDGET TRADING PROGRAM, CAIR NOX AND SO2 TRADING PROGRAMS, CSAPR NOX AND SO2 TRADING PROGRAMS, AND TEXAS SO2 TRADING PROGRAM
Subpart AAAA—CAIR NOX Ozone Season Trading Program General Provisions
§97.303 Measurements, abbreviations, and acronyms.Measurements, abbreviations, and acronyms used in this subpart and subparts BBBB through IIII 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.
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