WHMIS 2015 for Supervisors provides employers and supervisors with a deeper understanding of their responsibilities under WHMIS 2015 laws. Time to complete: about 90 minutes. Self print a certificate on successful completion. Students should have previously completed ‘WHMIS 2015 Orientation’ or ‘WHMIS 2015 Refresher’ or otherwise have a sound understanding of basic WHMIS concepts. Click here for detailed information on this course.