40 C.F.R. § 1051.805

Current through October 31, 2024

Section 1051.805 - What symbols, acronyms, and abbreviations does this part use?

The following symbols, acronyms, and abbreviations apply to this part:

°-degrees.

ASTM-American Society for Testing and Materials.

ATV-all-terrain vehicle.

cc-cubic centimeters.

CFR-Code of Federal Regulations.

CH₄ methane.

cm-centimeter.

C-Celsius.

CO-carbon monoxide.

CO₂-carbon dioxide.

EPA-Environmental Protection Agency.

F-Fahrenheit.

g-grams.

g/gal/day-grams per gallon per test day.

g/m²/day-grams per meter-square per test day.

HC-hydrocarbon.

Hg-mercury.

hr-hours.

km-kilometer.

kW-kilowatt.

LPG-liquefied petroleum gas.

m-meters.

mm-millimeters.

mW-milliwatts.

N₂O nitrous oxide.

NARA-National Archives and Records Administration.

NMHC-nonmethane hydrocarbons.

NO_X-oxides of nitrogen (NO and NO_X).

psig-pounds per square inches of gauge pressure.

rpm-revolutions per minute.

SAE-Society of Automotive Engineers.

SI-spark-ignition.

THC-total hydrocarbon.

THCE-total hydrocarbon equivalent.

U.S.C.-United States Code.

40 C.F.R. §1051.805

67 FR 68347 , Nov. 8, 2002, as amended at 70 FR 40510 , July 13, 2005; 74 FR 56511 , Oct. 30, 2009