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Emission Factors from Canada’s Greenhouse Gas Inventory

The most common approach for calculating greenhouse gas (GHG) emissions is through the use of emissions factors. Emission factors are representative values relating the quantity of an emission with an activity associated with the release of that emission.

In This Section

The following section contains the most commonly used emission factors found in Canada's National Inventory Report. In most cases, if a source or facility specific emission factor is available, it should be used over a more general emission factor. Additional details on sector-specific methodologies for the use of these factors are presented in Canada's National Inventory Report, Annex 2 and Annex 3.

  • Fuel Combustion - This section contains emission factors for combustion of natural gas, refined petroleum products, and coal, as well as emission factors for mobile combustion.
  • Industrial Processes - This section contains emission factors for industrial activities not related to energy including production and use of mineral products, metal production, chemical production, consumption of halocarbons and other and undifferentiated production using fossil fuels for non-energy purposes.
  • Solvent and Other Product Use - This section contains emission factors for nitrous oxide (N2O) used as an anaesthetic and propellants.
  • Agriculture - This section contains emission factors for enteric fermentation for non-cattle animals and manure.
  • Biomass Combustion - This section contains emission factors for industrial combustion of biomass including landfill gas, wood fuel/wood waste, spent pulping liquor as well as emissions from combustion of biomass in residential stoves and fireplaces.
  • Waste - This section contains provincial methane generation rate constants (k) and methane potential (L0) values for municipal solid waste landfills.
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