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)
• Supplementary guide for reporting Criteria Air Contaminants (CACs)
• Concentrations and detection limit information: guide to reporting

General information on emission factors and emission estimation techniques

• United States. Environmental Protection Agency (U.S. EPA) AP-42 - Compilation of air pollutant emission factors
• Australian National Pollutant Inventory (NPI) Emission Estimation Technique (EET) manuals

Useful equations and conversion factors

• Useful equations and conversion factors

Example calculations

• Example calculations

Software

• WebFIRE
• Factor Information REtrieval (FIRE) database
• Landfill Gas Emissions model
• WATER9

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
  • Turbines guidance and emission calculator
  • Boiler/ heaters guidance and emission calculator
• 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

• Total reduced sulphur
  • Determining the reporting threshold for Total Reduced Sulphur using equivalence factors
• Phosphorus
  • Guidance

Miscellaneous resources and other relevant links

• Volatile Organic Compounds (VOC) information
• Reported Mercury content
• List of Nonylphenol and its Ethoxylates
• List of Octylphenol and its Ethoxylates
• 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 - 2016
• Organisation for Economic Co-operation and Development (OECD) Pollutant Release and Transfer Registers (PRTRs) Release Estimation Techniques (PDF)
  
• Solar data resources
  • Solar resource data available for Canada (NRCAN)
  • NASA Prediction of Worldwide Energy Resources
• ECCC meteorological data

Related Guidance

• External Combustion Sources (AP 42 Chapter 1)
• Stationary Internal Combustion Sources (AP 42 Chapter 3)
• Miscellaneous Sources (AP 42 Chapter 13)
• Australia NPI EET Manual for Combustion in Boilers
• Australia NPI EET Manual for Combustion Engines
• Australia NPI EET Manual for Fugitive Emissions