1. Regulations
  2. title 40
  3. chapter I-i22
  4. part 97
  5. subpart AAA
  6. § 97.203

View all text of Subpart AAA [§ 97.201 - § 97.208]

§ 97.203 - 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.

AUTHORITY: 42 U.S.C. 7401, 7403, 7410, 7426, 7491, 7601, and 7651,

SOURCE: 65 FR 2727, Jan. 18, 2000, unless otherwise noted. 71 FR 25396, 25422, and 25443, Apr. 28, 2006

CITE AS: 40 CFR 97.203