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
3493486 2022-067804 Ingevity Corporation PC-1779 Active 2025-12-17
3493490 2022-067557 BYK USA Inc. ANTI-TERRA U Active 2027-04-16
3493489 2022-067556 BYK USA Inc. DISPERBYK-110 Active 2027-04-16
3493488 2022-067419 Sialco Materials Ltd EBR-2432 Active 2026-02-02
3493191 2022-067314 Italmatch USA Corporation ECO GAA007 B Active 2026-02-07
3492799 2022-066528 ChampionX Canada ULC Torq Free HD Active 2026-01-11
3492636 2022-066362 Win Manuco Ltd. SB-GHA Active 2026-01-17
3492635 2022-065507 ChampionX Canada ULC CORR11793A Active 2025-12-20
3492634 2022-065488 Nalco Canada ULC NALCO® VIA4601 Active 2026-02-28
3492633 2022-064951 Calfrac Well Services Ltd. CalSurf 9400 Active 2025-12-17