§ 97.503 - Measurements, abbreviations, and acronyms.

§ 97.503 Measurements, abbreviations, and acronyms.

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

Btu - British Btu—British thermal unit

CO₂ - carbon —carbon dioxide

CSAPR CSAPR—Cross- Cross-State Air Pollution Rule

H₂O - water

hr - hour

kWh - kilowatt-hour

lb - pound

mmBtu - million Btu

MWe - megawatt electrical

MWh - megawatt-hour

NO_X - nitrogen oxides

O₂ - oxygen

ppm - parts per million

scfh - standard cubic feet per hour

SIP - State implementation plan

TR - Transport Rule

SO₂ - sulfur dioxide

yr - year

O—water

hr—hour

kWh—kilowatt-hour

lb—pound

mmBtu—million Btu

MWe—megawatt electrical

MWh—megawatt-hour

NO_X—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]