§ 97.3 Measurements, abbreviations, and acronyms.

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Title 40—Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS > 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 A—NOX Budget Trading Program General Provisions

This text was captured on Sep 22, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

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

Btu-British thermal unit.

CO2-carbon dioxide.

hr-hour.

kW-kilowatt electrical.

kWh-kilowatt hour.

lb-pounds.

mmBtu-million Btu.

MWe-megawatt electrical.

NOX-nitrogen oxides.

O2-oxygen.

ton-2000 pounds.

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§ 97.3 Measurements, abbreviations, and acronyms. · 40 CFR § 97.3 | Frix