Tools for calculating and reporting emissions
General guidance
- National Pollutant Release Inventory Annual reporting guide
- Criteria Air Contaminants (CACs) Technical Source guide for reporting to the NPRI (2002) (available on request)
- Supplementary guide for reporting Criteria Air Contaminants (CACs) (available on request)
General information on emission factors and emission estimation techniques
Useful equations and conversion factors
- Useful equations and conversion factors can be found in the National Pollutant Release Inventory Annual reporting guide
Example calculations
- Example calculations can be found in the National Pollutant Release Inventory Annual reporting guide
Information on fuel combustion, fugitive emissions and other sources
This section contains process spreadsheets and guides that are useful for many different sectors.
Fuel combustion sources
- Anthracite coal combustion - Industrial, commercial/institutional boilers
- Fuel oil combustion sources
- Canadian Energy Partnership for Environmental Innovation (CEPEI) - Natural gas combustion emissions guidance and calculator
- Waste oil combustion - Commercial/institutional boilers
- Propane heaters
- Diesel fuel generator - Hours of operation
- Diesel fuel generator - Fuel usage
- Large stationary diesel engine (>600 hp)
- Gasoline generator - Fuel usage
- Gasoline generator - Hours of operation
Fugitive emission sources
- Abrasive blasting
- Aggregate handling operations
- Unpaved industrial road dust
- Electric arc welding, cutting and spraying guidance and emission calculator
- Stockpile and exposed area wind erosion guidance and emission calculator
- Wet cooling towers
Other
- Phosphorus guidance
- Determining the reporting threshold for Total Reduced Sulphur using equivalence factors can be found in the National Pollutant Release Inventory Annual reporting guide
- Volatile Organic Compounds (VOC) information can be found in the National Pollutant Release Inventory Annual reporting guide
- Reported Mercury content: (available on request)
Miscellaneous resources and other relevant links
- North American Industry Classification System (NAICS) codes
- U.S. EPA Emission Inventory Improvement program
- U.S. EPA locating and estimating documents
- EMEP/CORINAIR Emission Inventory Guidebook - 2019
- Organisation for Economic Co-operation and Development (OECD) Pollutant Release and Transfer Registers (PRTRs) Release Estimation Techniques (PDF)
- Solar data resources
- ECCC meteorological data
- Surface water bodies
Related Guidance
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