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CFR

1048.805—What symbols, acronyms, and abbreviations does this part use?

The following symbols, acronyms, and abbreviations apply to this part:
°Cdegrees Celsius.
ASTMAmerican Society for Testing and Materials.
cccubic centimeters.
CFRCode of Federal Regulations.
CH4methane.
cmcentimeter.
COcarbon monoxide.
CO2carbon dioxide.
EPAEnvironmental Protection Agency.
g/kW-hrgrams per kilowatt-hour.
HChydrocarbon.
ISOInternational Organization for Standardization.
kPakilopascals.
kWkilowatts.
LPGliquefied petroleum gas.
mmeters.
MILmalfunction-indicator light.
mm Hgmillimeters of mercury.
N2Onitrous oxide.
NARANational Archives and Records Administration.
NMHCnonmethane hydrocarbons.
NOXoxides of nitrogen (NO and NO2).
psipounds per square inch of absolute pressure.
psigpounds per square inch of gauge pressure.
rpmrevolutions per minute.
SAESociety of Automotive Engineers.
SIspark-ignition.
THCtotal hydrocarbon.
THCEtotal hydrocarbon equivalent.
U.S.C.United States Code.

Code of Federal Regulations

[67 FR 68347, Nov. 8, 2002, as amended at 70 FR 40485, July 13, 2005; 74 FR 56510, Oct. 30, 2009]
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