Canada’s Air Pollutant Emissions Inventory Report 2025: list of abbreviations, chemical formulas and units

List of Common Abbreviations, Chemical Formulas and Units

APEI: Air Pollutant Emissions Inventory
CAC: criteria air contaminant
CEIP: Centre on Emission Inventories and Projections
CEPA 1999: Canadian Environmental Protection Act, 1999
CLRTAP: Convention on Long-range Transboundary Air Pollution
D/F: dioxins and furans
ECCC: Environment and Climate Change Canada
EEA: European Environment Agency
EF: emission factor
EMEP: Cooperative Programme for Monitoring and Evaluation of the Long-range Transmission of Air Pollutants in Europe or European Monitoring and Evaluation Programme
LPG: liquefied petroleum gas
LTO: landing and takeoff
MOVES: MOtor Vehicle Emission Simulator
NAICS: North American Industry Classification System
NFR: Nomenclature for Reporting
NG: natural gas
NPRI: National Pollutant Release Inventory
PAH: polycyclic aromatic hydrocarbon
PM: particulate matter
PM₁₀: particulate matter less than or equal to 10 microns in diameter
PM_2.5: particulate matter less than or equal to 2.5 microns in diameter
POP: persistent organic pollutant
QA: quality assurance
QC: quality control
SOMA: Sulphur Oxides Management Area
TPM: total particulate matter
UNECE: United Nations Economic Commission for Europe
VKT: vehicle kilometres travelled
VOC: volatile organic compound