CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER U—AIR POLLUTION CONTROLS (Parts 1027–1074) > PART 1045—CONTROL OF EMISSIONS FROM SPARK-IGNITION PROPULSION MARINE ENGINES AND VESSELS > SUBPART I—Definitions and Other Reference Information (§1045.801 to §1045.825) > 1045.805—What symbols, acronyms, and abbreviations does this part use?

1045.805—What symbols, acronyms, and abbreviations does this part use?

The following symbols, acronyms, and abbreviations apply to this part:
ABTAveraging, banking, and trading.
AECDAuxiliary emission control device.
CFRCode of Federal Regulations.

Code of Federal Regulations

CH4methane.
COcarbon monoxide.

Code of Federal Regulations

CO2carbon dioxide.
EPAEnvironmental Protection Agency.
FELFamily Emission Limit.
ggram.
HChydrocarbon.
hrhour.
kPa kilopascals.
kW kilowatt.
mmeter.

Code of Federal Regulations

N2Onitrous oxide.
NARANational Archives and Records Administration.
NMHCnonmethane hydrocarbons.

Code of Federal Regulations

NOXoxides of nitrogen (NO and NO2).
NTEnot-to-exceed
psigpounds per square inch of gauge pressure.
RPMrevolutions per minute.
SAESociety of Automotive Engineers.
THCtotal hydrocarbon.
THCEtotal hydrocarbon equivalent.
U.S.C.United States Code.