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Notices

  • Content last reviewed: June 2019

Notices: 2018-19 | 2015-17 | 2013-14 | 2011-12 | 2009-10


June 12, 2019

Occupational Health Regulatory Modernization Amendments

The amendments will streamline and modernize the occupational health regulatory scheme under the Occupational Health and Safety Act. This includes Regulation 833 – Control of Exposure to Biological or Chemical Agents and O. Reg. 490/09 – Designated Substances.

They will:

  • replace the 9 separate Medical Surveillance Codes with one single consolidated and updated Medical Surveillance Code (learn more about the new code)
  • replace the 16 separate Codes for Respiratory Equipment and Measuring Airborne Substances with new, updated, and consolidated respiratory protection and measuring provisions
  • permit businesses to use the “Quebec model” for calculating exposures to hazardous substances for irregular work shifts
  • add “substitution,” or substituting hazardous substances with those that are less hazardous, to the hierarchy of controls

For more information, read the amending regulations:

  • O. Reg. 189/19, which amends O. Reg. 490/09 – Designated Substances
  • O. Reg. 185/19, which amends Regulation 833 – Control of Exposure to Biological or Chemical Agents

The amended regulations will come into effect on January 1, 2020.

Updated and Consolidated Medical Surveillance Code

The Code for Medical Surveillance for Designated Substances sets out the Medical Surveillance Program requirements for the following designated substances: asbestos, benzene, coke oven emissions, isocyanates, lead (inorganic and organic), mercury (alkyl and non-alkyl compounds) and silica.

The code applies to employers that are required to provide for medical examinations under subsection 20(4) of O. Reg. 490/09 – Designated Substances. This code provides updated guidance to physicians and other health professionals.


June 12, 2019

Working at Heights Training at Auto Manufacturing Plants Regulatory Amendments

This amendment to O. Reg. 297/13 – Occupational Health and Safety Awareness and Training reduces the regulatory burden on the automotive sector by creating a targeted exemption for workers employed directly by automobile manufacturing plant employers from Chief Prevention Office approved working at heights training.

For more information read the amending regulation, O. Reg. 191/19.

The amended regulation comes into effect: July 1, 2019


June 12, 2019

Construction Projects Notifications at Auto Plants Regulatory Amendments

This amendment to O. Reg. 213/91 – Construction Projects reduces the regulatory burden on the auto manufacturing sector by increasing the project cost threshold that triggers the requirement for the Ministry of Labour to be notified of a construction project at an auto plant from $50,000 to $250,000.

For more information read the amending regulation, O. Reg. 190/19 .

The amended regulation comes into effect: July 1, 2019


June 12, 2019

Industrial Establishments Regulation Amendments

The amendments to Regulation 851 - Industrial Establishments help modernize workplace health and safety requirements that apply to Ontario industrial establishments, including offices, factories, arenas, and shops.

They will increase flexibility by:

  • allowing the use of alternative procedures if worker health and safety is at least as well protected
  • allowing workers to wear personal flotation devices instead of lifejackets when appropriate
  • allowing the use of antidotes, flushing fluids or washes instead of eyewash fountains or emergency showers, where appropriate, to prevent permanent injury to the eyes or skin

For more information read the amending regulation, O. Reg. 186/19.

The amended regulation comes into effect: July 1, 2019


June 12, 2019

Oil and Gas, Offshore Regulation Amendments

The amendments to Regulation 855 - Oil & Gas, Offshore modernize the existing requirements for life jackets and specific electrical equipment that is installed and used on offshore oil and gas rigs.

For more information read the amending regulation, O. Reg. 188/19.

The amended regulation comes into effect: July 1, 2019


June 12, 2019

Mines and Mining Plants Regulation Amendments

The amendments to Regulation 854 – Mines and Mining Plants help modernize mining regulations.

They will:

  • harmonize the definition of non-destructive test with O. Reg. 213/91 – Construction Projects and amend related requirements
  • reduce regulatory burden by revoking several redundant or duplicative provisions;
  • update various references to recognized industry standards
  • Increase flexibility by amending requirements relating to the maximum height of working faces at surface mines and transportation of oxygen and acetylene containers underground
  • amend miscellaneous requirements to update terminology and/or clarify certain requirements

For more information read the amending regulation, O. Reg. 187/19.

The amended regulation comes into effect: July 1, 2019


March 8, 2019

Temporary Stairs Regulatory Amendment Proposal

The Ministry of Labour (the ministry) is proposing to clarify existing requirements for temporary stairs (s. 75-77) as set out in the Construction Projects regulation (O. Reg. 213/91) under the Occupational Health and Safety Act (OHSA). O. Reg. 213/91 sets out requirements that protect the health and safety of Ontarians who work in the construction sector.

For more information on the proposals please visit the Government of Ontario’s Regulatory Registry.


March 7, 2019

Proposed Amendments to Oil and Gas - Offshore Regulation

The Ministry of Labour is proposing two amendments to Regulation 855 (Oil and Gas - Offshore) made under the Occupational Health and Safety Act. These amendments, if approved, would modernize provisions for life jackets and electrical equipment.

For more information on the proposals please visit the Government of Ontario’s Regulatory Registry.


February 13, 2019

Mines and Mining Plants Regulatory Amendment Proposal

The Ministry of Labour is proposing various amendments to Regulation 854 (Mines and Mining Plants) under the Occupational Health and Safety Act. The regulation applies to all mines and mining plants and to mining development in Ontario, and sets out sector-specific requirements that protect the health and safety of Ontarians who work in these workplaces.

For more information on the proposals please visit the Government of Ontario’s Regulatory Registry.


January 21, 2019

Amendments to Workplace Hazardous Materials Information System (WHMIS)

The Ontario government has amended the WHMIS Regulation (R.R.O. 1990, Regulation 860) made under the Occupational Health and Safety Act (OHSA) to allow an exception for employers to create workplace labels for WHMIS 1988 products that will continue to be used in the workplace after November 30, 2018.

Employers who wish to use WHMIS 1988 products in the workplace can produce a workplace label to be affixed to the products in question, which would replace any WHMIS 1988 label. Employers are also required to produce a WHMIS 2015 compliant safety data sheet (SDS) to replace the WHMIS 1988 material SDS where they are unable to obtain an SDS from the supplier.

The amendments to the WHMIS Regulation came into effect on January 21, 2019. Ontario has completed the transition from WHMIS 1988 to WHMIS 2015.

More Information


October 26, 2018

Amendments to the Industrial Establishments Regulation (Reg. 851)

The Industrial Establishments Regulation (Reg. 851) under the Occupational Health and Safety Act, sets out requirements in section 13 for where guardrails must be installed. Section 13 also states that the guardrail requirements do not apply to certain areas in the workplace, namely, loading docks, roofs that are accessed only for maintenance purposes, or pits used for work on an assembly line or for vehicle maintenance.

Section 13 of Reg. 851 was recently amended to add a new exemption for a conveyor or similar system that transports a vehicle or vehicle part and any raised platform used with the conveyor or similar system. The exemption is limited to situations in which a guardrail would obstruct the passage of the vehicle or vehicle part, prevent workers from performing work, or pose a hazard to a worker.

In situations where any of the exemptions to the guardrail requirements apply and there is no guardrail, an additional amendment now requires employers to develop and implement other measures and procedures to protect workers from the hazard of falling.

The amendments came into force on October 26, 2018. For more information on the amendments please visit:

  • the consolidated version of the Industrial Establishments Regulation, section 13.
  • the Source Law section of the e-Laws website for the amending regulation, O. Reg. 456/18

February 6, 2018

Industrial Establishments Regulation Amendment Proposal

The Ministry of Labour is consulting on a proposal to amend the Industrial Establishments Regulation under the Occupational Health and Safety Act to update existing requirements and add new ones in order to increase harmonization between regulations, modernize processes and enhance existing protections.

For more information on the proposals please visit the Government of Ontario’s Regulatory Registry.