Unit 5 – Worker Training and EducationBy Admin / December 8, 2014 You must first complete Lesson 1 – Introduction to WHMIS before viewing this LessonPlease sign up for the course before starting the lesson. In this unit participants will learn about employee and employer requirements for WHMIS. Unit 4 - Material Safety Data Sheets Unit 6 - Exception and Exemptions Back to: Workplace Hazardous Material Information System (WHMIS)