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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 story In 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 […]
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 Say In Canada, the Hazardous Product Act (federal legislation) and the provinces WHMIS legislation […]
The Challenge With Managing Designated Substances

By Lisa Hallsworth

8 October 2020

Originally posted 28 October 2018 One 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 […]
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 […]

Learn more about chemical safety and SDS management

A Whitepaper:

The WHMIS Gap

Discover the gap that exists between the intent of WHMIS and the on-the-ground reality.

A Guide to SDS Management

Learn everything you need to know about Safety Data Sheet Management.

A Guide To Chemical Safety Compliance

Chemical safety compliance has a steep learning curve and this guide can help.

Designated Substances

Find out more about Designated Substances in Ontario.

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