By definition, hazardous substances include those that a pose significant risk to health and safety if not managed correctly. For example: toxic chemicals, chemicals that cause skin damage and carcinogens4 . There are a number of environments where workers may be in contact with hazardous substances. Manufacturing plants may either produce hazardous substances or use these in their production processes. Those working in the aviation sector need to be mindful of aviation fuel, which is extremely hazardous. Likewise, those transporting or storing dangerous goods have to ensure there are measures in place to protect employees.