National Pollutant Release Inventory (NPRI) Substance List

This section provides links to the current NPRI Substance List, information on changes to the NPRI Substance List over time, and substance-specific information.

Please visit our Consultations page for more information on the process for making changes to the NPRI Substance List. These changes may include the addition, modification or removal of substances as well as changes in the thresholds at which they must be reported.

Official lists of substances for purposes of reporting by facilities to the NPRI are published in the NPRI notices in the Canada Gazette. For substance lists for other years, please contact the NPRI.

Documents Available Online
YearLinks to Substance Lists
2016 and 2017HTMLExcel, 76 KB

Other Substance Lists and Substance-specific Information

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