• A bachelor's degree or college diploma in a related scientific or technical discipline is usually required for occupations in this unit group.
  
• A master's degree in a related scientific discipline may be required.
  
• Certification through the Canadian College of Certified Professional Ergonomists is required to use the title "Canadian Certified Professional Ergonomist (CCPE)". Membership with the Association of Canadian Ergonomists may be required.
  
• Occupational hygienists may require certification by the Canadian Registration Board of Occupational Hygienists.
  
• Patent agents require 12 months of work experience in the patent field and successful completion of examinations set by the Commissioner of Patents. They may also be required to be listed in the register of patent agents.
  
• Occupations in this group that are involved in green building design and technologies development may require the Leadership in Energy and Environmental Design (LEED) certification offered by the Canadian Green Building Council.
  

Diploma
Bachelor
Master

Advise on policies and physical, social and psychological interrelationships between persons, their equipment and environments
Ensure products and work methods maximize safety, productivity and comfort
Study, evaluate and control physical, chemical, biological and ergonomics hazards and stresses in the workplace and suggest changes to work processes
Provide information to workers and managers/employers on methods to reduce the risk of injury or illness
Conduct patent searches and prepare patent applications
Advise clients on elements of patent law and on the patentability of inventions
Provide information to the public through newspaper and magazine columns, articles and radio commentaries
Develop or administer programs related to scientific fields
Evaluate the effectiveness of control equipment which may affect employee health
Report and document investigations and conclusions/recommendations