Selected Category: Designated Substances

Find Occupational Exposure Limits: Free Research Tool

By Rob Hallsworth

29 November 2023

Instantly see occupational exposure limits (OEL) for any SDS, plus get compliance data for ingredients such as designated substances.

Breast cancer prevention – From fundraising to research to workplace action

By Lisa Hallsworth

20 January 2021

Fundraising - a personal storyIn 1991, after watching one sister-in-law die of breast cancer and another diagnosed, my Mom, Brenda White, decided she needed to do something to raise awareness about the disease. From rural Nova Scotia, as president of the local Catholic Women's League (CWL), she chose to lead with her voice. She invested […]

Can a Designated Substance Help You Keep SDSs Up-To-Date?

By Rob Hallsworth

28 February 2020

Keeping Safety Data Sheets (SDSs) up to date can take a huge amount of time. Time that most organizations do not have. But not having current information puts workers at risk for both acute and chronic health issues. What The Regulations SayIn Canada, the Hazardous Product Act (federal legislation) and the provinces WHMIS legislation outline […]

The Challenge With Managing Designated Substances

By Lisa Hallsworth

8 October 2020

Originally posted 28 October 2018One of the most frequent and erroneous statements we hear from clients is that they do not have designated substances in their chemical collections. I thought the same about products used in my own home until I looked a bit closer at some of the ingredients contained in some infrequently used […]

Designated Substances in Ontario

By Lisa Hallsworth

8 March 2017

Updated: Nov. 16, 2022 What are designated substances? Ontario's Occupational Health and Safety Act (OHSA) defines a "designated substance" as “a biological, chemical or physical agent or combination thereof prescribed as a designated substance to which the exposure of a worker is prohibited, regulated, restricted, limited or controlled." Designated substances are known to result in […]

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Designated Substances

Found out more about Designated Substances in Ontario.

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