GHS WHMIS – MANDATORY certification by December 1, 2018

DEADLINE for NEW WHMIS obligations fast approaching

All workers (Employees/ Members) in Ontario as well as all Employers must comply with new training and other obligations relating to Canada’s altered workplace hazardous materials information system (WHMIS) by December 1, 2018.

The Workers Health & Safety Centre (WHSC) has scheduled Globally-Harmonized WHMIS training in communities across Ontario for Friday, September 7. Be sure to register soon as classes fill up fast.

The Workplace Hazardous Materials Information System, commonly known as WHMIS, is designed to provide workers, supervisors and employers with health and safety information about hazardous products used, stored, handled or disposed of in the workplace.

Changes to federal WHMIS-related law, and supporting provincial and territorial regulation, has changed this workplace hazardous product communication system aligning it with a globally-harmonized and recognized system.

It is YOUR responsibility to ensure that you are GHS WHMIS certified. Please note, WHMIS 2015 does incorporate the GHS component. You must be re-certified by DECEMBER 1, 2018. Important notice: you may not be eligible to work on a production if you cannot produce a WHMIS 2015 or GHS WHMIS certificate.


We have also put a link on the 411 website to the CCOHS (Canadian Centre for Occupational Health and Safety)  WHMIS 2015 for Workers online course.

Once you have re-certified to the GHS WHMIS or WHMIS 2015, please provide the Local office a copy of your certificate and retain one for your records to provide to future employers.