| ACGIH | American Conference of Governmental Industrial Hygienists |
| ACRP | Airport Cooperative Research Program |
| AEDT | Aviation Environmental Design Tool |
| AER | air exchange rate |
| AFOTMS | Aerosol Time-of-Flight Mass Spectrometer |
| AJF | alternative jet fuel |
| APU | auxiliary power unit |
| ATL | Atlanta Hartsfield-Jackson International Airport |
| AvGas | aviation gasoline |
| BC | black carbon |
| BenMAP | Environmental Benefits Mapping and Analysis Program |
| BLL | blood lead level |
| CAA | Clean Air Act |
| CAAA | Clean Air Act Amendments |
| CFR | Code of Federal Regulations |
| CH4 | methane |
| Cl | chlorine |
| CMAQ | Community Multiscale Air Quality |
| CNG | compressed natural gas |
| CO | carbon monoxide |
| CO2 | carbon dioxide |
| Cr | chromium |
| CRF | concentration–response function |
| DBP | diastolic blood pressure |
| EC | elemental carbon |
| EDMS | Emissions and Dispersion Modeling System |
| EIS | Environmental Impact Statement |
| EJ | environmental justice |
| EPA | Environmental Protection Agency |
| F | fluorine |
| FAA | Federal Aviation Administration |
| FAQ | frequently asked questions |
| GA | general aviation |
| GAV | ground access vehicle |
| GHG | greenhouse gas |
| GSE | ground support equipment |
| HAP | hazardous air pollutant |
| HC | hydrocarbon |
| HCl | hydrochloric acid |
| HF | hydrogen fluoride |
| Hg | mercury |
| HIA | Health Impact Assessment |
| HPLC | high-speed liquid chromatography |
| HVAC | heating, ventilation, and air conditioning |
| ICAO | International Civil Aviation Organization |
| I/O | indoor/outdoor |
| ISIAQ | International Society of Indoor Air Quality and Climate |
| km | kilometer |
| LAX | Los Angeles International Airport |
| LHR | London-Heathrow International Airport |
| LNG | liquefied natural gas |
| LTO | landing and takeoff |
| MEK | methyl ethyl ketone |
| MOUDI | Micro-Orifice Uniform Deposit Impactor |
| MOVES | Motor Vehicle Emission Simulator |
| N2O | nitrous oxide |
| NAAQS | National Ambient Air Quality Standards |
| NEPA | National Environmental Policy Act |
| NESHAP | National Emission Standards for Hazardous Air Pollutants |
| NIOSH | National Institute for Occupational Safety and Health |
| NO | nitrogen oxide |
| NO2 | nitrogen dioxide |
| NOx | nitrogen oxides |
| NSPS | New Source Performance Standard |
| NSR | New Source Review |
| O3 | ozone |
| OC | organic carbon |
| ORD | Chicago O’Hare International Airport |
| OSHA | Occupational Safety & Health Administration |
| PAH | polycyclic aromatic hydrocarbon |
| PAS | Photo-electric Aerosol Sensor |
| PARTNER | Partnership for Air Transportation Noise & Emissions Reduction |
| Pb | lead |
| PEL | permissible exposure limit |
| PCDD | polychlorinated dibenzo-para-dioxin |
| PCDF | polychlorinated dibenzofurans |
| PFC | Passenger Facility Charge |
| PIR | particle inhalation rate |
| PM | particulate matter |
| PM10 | particulate matter with aerodynamic diameter of 10 µm or less |
| PM2.5 | particulate matter with aerodynamic diameter of 2.5 µm or less |
| PNC | particle number concentration |
| PP | pulse pressure |
| ppb | parts per billion |
| ppm | parts per million |
| PSD | prevention of significant deterioration |
| PTB | preterm birth |
| PVD | T. F. Green Airport |
| REL | recommended exposure limit |
| RfC | reference concentration |
| SBP | systolic blood pressure |
| SIP | State Implementation Plan |
| SMO | Santa Monica Municipal Airport |
| SMPS | Scanning Mobility Particle Sizer |
| SO2 | sulfur dioxide |
| SOx | sulfur oxides |
| TRB | Transportation Research Board |
| TSD | Technical Support Document |
| TSP | total suspended particulate matter |
| µg | microgram |
| UFP | ultrafine particle, PM with an aerodynamic diameter less than 0.1 µm |
| VALE | Voluntary Airport Low Emission |
| VNY | Van Nuys Airport |
| VOC | volatile organic compound |
| WHO | World Health Organization |