List of claims and exemptions under the Hazardous Materials Information Review Act

This table summarizes claims and exemptions from disclosure of confidential business information that have been submitted to Health Canada under the Hazardous Materials Information Review Act.

This page is updated on a regular basis to include new claims filed with Health Canada, as well as status updates for existing claims and exemptions.

If you have any questions or feedback, please contact whmis.claim-demande.simdut@hc-sc.gc.ca.

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Table - List of claims and exemptions
Registry number Case number Claimant name Product identifier Claim/exemption status Exemption expiry date
3552843 2023-063930 W-Tech Technologies Ltd. WFLOW 707 Active 2026-12-16
3543069 2023-063917 ChampionX Canada ULC PARA13186A Active 2026-10-11
3543068 2023-063864 ChampionX Canada ULC PARA26410A Active 2026-10-11
3542621 2023-063234 United Laboratories International LLC dba ZymeFlow Zyme-Ox® Plus Z50 Active 2026-10-31
3542630 2023-063233 United Laboratories International LLC dba ZymeFlow Zyme-HT® Z11 Active 2026-11-03
3542629 2023-063232 United Laboratories International LLC dba ZymeFlow Super Tank Zyme® Z21 Active 2026-11-03
3542628 2023-063231 United Laboratories International LLC dba ZymeFlow Rezyd-X® Z67 Active 2026-11-03
3542627 2023-063230 United Laboratories International LLC dba ZymeFlow Rezyd-HP™ Z71 Active 2026-10-31
3542626 2023-063229 United Laboratories International LLC dba ZymeFlow Rezyd-HP™ G71 Active 2026-11-18
3542622 2023-063228 United Laboratories International LLC dba ZymeFlow ZymeFlow® UN657 Active 2026-11-17