GroundRules
40 CFR 1031.200: Abbreviations.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER U—AIR POLLUTION CONTROLS
- PART 1031—CONTROL OF AIR POLLUTION FROM AIRCRAFT ENGINES
- Subpart D—Reference Information
This part uses the following abbreviations:
Table 1 to § 1031.200—Abbreviations
° degree
% percent
CO carbon monoxide
CO2 carbon dioxide
EI emission index
g gram
HC hydrocarbon(s)
kg kilogram
kN kilonewton
kW kilowatt
LTO landing and takeoff
m meter
mg milligram
µg Microgram
NOX oxides of nitrogen
Num number
nvPM non-volatile particulate matter
nvPMmass non-volatile particulate matter mass
nvPMnum non-volatile particulate matter number
nvPMMC non-volatile particulate matter mass concentration
rO rated output
rPR rated pressure ratio
SN smoke number
Collected 2026-08-27T02:26:04Z. Source file · JSON