PTC is happy to announce that we have introduced PT for microbiology in cannabis surrogates. You can see details about the new schemes and apply here.

Schedule and Deadlines

Once you subscribe to cannabis proficiency testing through PTC, we send out two samples per round twice per year.

Current Schedule

Registration DeadlineShipping DateReporting Deadline
February 27, 2023March 20, 2023April 21, 2023
September 23, 2023October 16, 2023November 17, 2023

General notes

Cannabis proficiency testing samples will only be shipped to laboratories holding a valid Health Canada licence for cannabis testing or confirmation from Health Canada that your laboratory is exempt from licensing. Dates are subject to change.

Need Help Choosing a Proficiency Testing Provider?

Download a copy of our FREE ebook and learn more about choosing the right proficiency testing provider. For laboratories conducting cannabis testing, this guide will help you consider what options are available when choosing a cannabis proficiency testing provider for your laboratory.