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Electronic Code of Federal Regulations

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter CPart 97Subpart BBBBB → §97.503


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 BBBBB—CSAPR NOX Ozone Season Group 1 Trading Program


§97.503   Measurements, abbreviations, and acronyms.

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

Btu—British thermal unit

CO2—carbon dioxide

CSAPR—Cross-State Air Pollution Rule

H2O—water

hr—hour

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

SIP—State implementation plan

SO2—sulfur dioxide

TR—Transport Rule

yr—year

[76 FR 48406, Aug. 8, 2011, as amended at 81 FR 74609, Oct. 26, 2016]

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