Cannabis Legalization - Implications on Workplace Safety

Legalization of marijuana presents new workplace health and safety challenges for employers and employees.  This course examines the issue from a variety of perspectives, and for different audiences.   The overall goal of the course is to create accurate understanding of a variety of issues associated with medical and recreational use of cannabis, and implications for workplace health and safety.  The course presents curated information, based on the best current available scientific information, with commentary on evidence quantity and quality.  The course takes no position on the merits of government cannabis policies.  The instructors are experts in occupational health and pharmacology.


  • Overview of the regulatory framework for production, distribution, sale and personal use

  • Basics of marijuana pharmacology

  • Hazards and hazard controls for employers and employees in marijuana growing and processing

  • What is and isn’t known regarding effects on user behaviour, task performance, injury risk, and long-term health

  • Implications of therapeutic use for employers and workplace safety

  • Potential workplace hazards associated with employee use outside the workplace and at the workplace

  • Provisions of state and federal legislation bearing on employer and worker duties

  • Components for appropriate workplace drug abuse policies and programs


Public Price Per Attendee
$495.00 Early Bird (effective until 14 calendar days before course date)

10% discount for registrations of 3 or more

In-House Price Per Attendee
Please Inquire (minimum registrations apply and may include additional charges for travel and customization).


1 Day

Dates and Locations

Registration cut-off 10 calendar days before event. Please see our Terms and Conditions.

Also available for customized in-house presentations.


Dr. John H. Murphy

John is President of the REA companies in the United States, Canada and Barbados, Adjunct Professor of Occupational and Environmental Health at the University of Toronto School of Public Health, and an occupational hygiene, health and safety consultant and instructor for military and law enforcement organizations.  He holds four degrees: Bachelor of Science, Master of Business Administration, Master of Health Science in occupational hygiene, and Doctor of Philosophy degree in public health.  He is a Certified Industrial Hygienist and a Registered Occupational Hygienist.  His unique expertise and perspective on the course topic has been gained through work as an advisor on fentanyl risk assessment and protective measures with national police, border services, and transport regulatory agencies.  

Dr. Alejandro Colozo

Dr. Alejandro Colozo holds a BSc and PhD in pharmacology from the University of Toronto, and a Master of Public Health degree in occupational and environmental health from the University of Toronto School of Public Health.  His career experience encompases medical research, HSE consulting, communications, training and customer relations.