This article was originally posted by the Ontario Ministry of Labour. Click here to view the original source. WHMIS 2015 Workplace Hazardous Materials Information System WHMIS 2015 Workplace Hazardous Materials Information System (WHMIS) is new. Since 1988, WHMIS has been Canada’s hazard communication system for workplace chemicals. It is a national system implemented through interlocking federal, provincial and territorial …