This course provides a condensed overview of numerous common environmental hazards on construction sites, such as mould, asbestos, silica for sand blasters, and hexavalent chromium for welders. The main emphasis of the course is to educate tradespeople about these hazards, and how to protect themselves, while raising the bar for worker safety in Manitoba. Attendees will also be introduced to several different types of NIOSH Air Purifying and Atmosphere Supplying Respirators, as well as proper inspection, storage, cleaning, donning, doffing, and seal checks.