Substance list: National Pollutant Release Inventory
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.
Other Substance Lists and Substance-specific Information
- Changes to the NPRI Over Time (Substance List Changes and Other Modifications)
- Part 5 Speciated Volatile Organic Compounds (VOCs) - Species names, synonyms and CAS numbers - Additional information for speciated VOCs.
- Additional Substance Information - Links to other sites containing related substance information.
- NPRI Consultations - Information on NPRI consultations, including the process for organizations or the public to propose changes to the program.
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