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Title 40 Part 1051 → Subpart I → §1051.805

Title 40 → Chapter I → Subchapter U → Part 1051 → Subpart I → §1051.805

Electronic Code of Federal Regulations e-CFR

Title 40 Part 1051 → Subpart I → §1051.805

e-CFR data is current as of December 9, 2019

Title 40Chapter ISubchapter UPart 1051Subpart I → §1051.805


Title 40: Protection of Environment
PART 1051—CONTROL OF EMISSIONS FROM RECREATIONAL ENGINES AND VEHICLES
Subpart I—Definitions and Other Reference Information


§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.

NOX—oxides of nitrogen (NO and NOX).

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.

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


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