Marijuana testing proves complicated

Comparing cannabis to alcohol wrong approach, say experts
By Marcel Vander Wier
|Canadian HR Reporter|Last Updated: 05/14/2018
Marijuana
Type of cannabis, the context in which it is ingested, and individual response each play a role in the drug’s effect, clouding what constitutes impairment, say experts. Credit: The Adaptive (Shutterstock)

Under Canadian law, it is reasonable for employers to expect employees to conduct their work while sober.

Yet, with the legalization of recreational cannabis expected later this year and impairment difficult to detect, employers are concerned about workplace safety.

“When it comes right down to it, I feel like we don’t really understand what the safety implications are,” said Nancy Carnide, post-doctoral fellow at the Institute of Work and Health in Toronto.