Resources

 

 

 

 

 

This resource page gives you more information about policies and legislation pertaining to hazardous materials, occupational health and safety, and industrial hygiene. We will also update this page with news from the industry and from T. Harris itself.

We are committed to helping companies create safe and healthy environments, and the resources provided below will help with this mission. If you have any other questions, please use the contact form at the bottom of this page and we will get back to you by the next business day.

Regulation Links

Government of Canada: Canadian Centre for Occupational Health and Safety 

Government of Ontario: Occupational Health and Safety Act

Government of Ontario: Designated Substances Legistaltion (R.S.O. 1990, CHAPTER O.1)

Ministry of Labour, Immigration, Training and Skills Development: Workplace Compliance Initiatives

Comprehensive Guides

Ontario Regulation 833

Ontario Regulation 833 – Control of Exposure to Biological or Chemical Agents sets legal exposure limits for airborne chemical agents and describes how employers must control workers’ exposure to hazardous biological or chemical agents in the workplace. 

Read the Guide Here

Global OHS Updates

November 2025: Read Here

September 2025: Read Here

June 2025: Read Here

 

Upcoming Events

February 3: BOMA State of the Industry

February 14: Valentines Day

February 16: Family Day (All Offices are Closed)

February 17: Lunar New Year and Ramadan

February 24: TCA Toronto AGM