Proposed changes to the National Pollutant Release Inventory
This page provides information on proposed changes to the National Pollutant Release Inventory (NPRI) reporting criteria. This includes open consultations, notifications of other proposed changes, and recently closed consultations. You can click on the title of each consultation to find more about it.
Changes are considered in accordance with the Process for proposing and considering changes to the NPRI. If you have any comments related to these proposals, please contact the NPRI.
| Title | Public consultation period | Status |
|---|---|---|
| Proposed addition of 131 individual PFAS to the National Pollutant Release Inventory | September 26 to November 25, 2024 | Open |
| Alternate threshold for reporting ethylene oxide to the National Pollutant Release Inventory | October 1 to December 2, 2024 | Open |
Past consultations
| Title | Public consultation period | Status |
|---|---|---|
| Proposed new requirements for reporting Hydrogen Cyanide, Free cyanide, Cyanide salts and Cyanide complexes to the National Pollutant Release Inventory | March 1 to May 14, 2024 |
Closed - decision pending. |
| Proposed new requirements for reporting long-chain aliphatic amines to the National Pollutant Release Inventory | March 1 to May 14, 2024 |
Closed - decision pending. |
| Proposed new requirements for reporting benzothiazoles to the National Pollutant Release Inventory | March 1 to May 14, 2024 |
Closed - decision pending. |
| Proposed new requirements for reporting triarylmethane dyes | October 11 to December 15, 2023 | Closed - decision pending. |
| Notification: Clarifications to the definition of naphthenic acid fraction compounds | N/A | This notification clarified requirements that are already in effect. |
| Proposal to change reporting requirements for air pollutants |
March 3 to May 12, 2021 |
Closed - changes took effect as of the 2022 reporting requirements. |
| Proposal to delete hexachlorocyclopentadiene and methyl-iodide | March 3 to May 12, 2021 | Closed - hexachlorocyclopentadiene and methyl iodide have been removed from Part 1A of the substance list as of the 2022 reporting requirements. |
| Proposal to add chlorhexidine | March 3 to May 12, 2021 |
Closed - chlorhexidine (and its salts) have been added to Part 1B of the substance list as of the 2022 reporting requirements. |
| Notification: Administrative changes to reporting requirements |
N/A | These changes took effect as of the 2022 reporting requirements |
| Proposal to change the requirements for reporting pollution prevention information | May 3 to June 27, 2019 | Closed - changes took effect as of the 2021 reporting requirements |
| Proposal to add PREPOD and BENPAT | May 3 to June 27, 2019 | Closed - PREPOD and BENPAT have been added to Part 1B of the substance list as of the 2020 reporting requirements. |
| Proposal to add azo disperse dyes | May 3 to June 27, 2019 | Closed - azo disperse dyes have been added to Part 1B of the substance list as of the 2020 reporting requirements. |
| Proposal to change reporting requirements for dioxins, furans and hexachlorobenzene | February 25 - April 12, 2019 | Closed - facilities producing iron ore pellets using an induration furnace are required to report for dioxins, furans and hexachlorobenzene as of the 2020 reporting requirements. |
| Proposal to add naphthenic acids | January 15 to July 10, 2018 | Closed - naphthenic acid fraction compounds (and their salts) have been added to Part 1A of the substance list as of the 2020 reporting requirements. |
Historical changes
The history of reporting requirements provides information about changes to the substance list and reporting requirements of the NPRI since 1993.
For information about past proposals and consultations, including the reasons why changes were made, please contact the NPRI at inrp-npri@ec.gc.ca.
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