Canada’s Air Pollutant Emissions Inventory Report 2022

This is an inventory of pollutants released into the air from 1990 to 2020.

Table of contents

• Acknowledgements
• List of abbreviations, chemical formulas and units
• Executive summary
• Chapter 1: Introduction
  • 1.1 Background on the Air Pollutant Emissions Inventory
  • 1.2 Reporting requirements
  • 1.3 Canada’s air emissions regulations and non-regulatory measures
• Chapter 2: 2020 Emissions and trends
  • 2.1 Particulate matter less than or equal to 2.5 microns in diameter
  • 2.2 Sulphur oxides
  • 2.3 Nitrogen oxides
  • 2.4 Volatile organic compounds
  • 2.5 Carbon monoxide
  • 2.6 Ammonia
  • 2.7 Lead
  • 2.8 Cadmium
  • 2.9 Mercury
  • 2.10 Dioxins and furans
  • 2.11 Polycyclic aromatic hydrocarbons
  • 2.12 Hexachlorobenzene
• Chapter 3: Air pollutant emissions inventory development
  • 3.1 Overview of inventory development
  • 3.2 Facility-reported emissions data
  • 3.3 In-house emission estimates
  • 3.4 Reconciliation
    • 3.4.1 General procedures
    • 3.4.2 Wood Products
    • 3.4.3 Dry Cleaning, General Solvent Use, Printing and Surface Coatings
    • 3.4.4 Mercury in products (Hg)
  • 3.5 Compilation and reporting
  • 3.6 Data quality control
  • 3.7 Recalculations
• Annex 1: Definitions of the air pollutants
  • A1.1 Criteria air contaminants
  • A1.2 Selected heavy metals
  • A1.3 Persistent organic pollutants
• Annex 2: In-house estimation methodologies
  • A2.1 Estimation methodologies for Ore and Mineral Industries by sector/subsector
  • A2.2 Estimation methodologies for Oil and Gas Industry by sector/subsector
  • A2.3 Estimation methodologies for Manufacturing by sector/subsector
  • A2.4 Estimation methodologies for Transportation and Mobile Equipment by sector/subsector
  • A2.5 Estimation methodologies for Agriculture by sector/subsector
  • A2.6 Estimation methodologies for Commercial/Residential/Institutional by sector/subsector
  • A2.7 Estimation methodologies for Incineration and Waste by sector/subsector
  • A2.8 Estimation methodologies for Paints and Solvents by sector
  • A2.9 Estimation methodologies for Dust by sector
  • A2.10 Estimation methodologies for Fires by sector
  • A2.11 Estimation methodology for Mercury in Products
• Annex 3: Recalculations
• Annex 4: Submission to the United Nations Economic Commission for Europe
  • A4.1 Canada’s air pollution emissions relative to international commitments
  • A4.2 Overview of the United Nations Economic Commission for Europe reporting template
  • A4.3 Mapping of Air Pollutant Emission Inventory emissions to the United Nations Economic Commission for Europe’s Nomenclature for Reporting categories
  • A4.4 Reporting international marine navigation and air transportation emissions