Skip to main content Homepage

Cannabis Testing

Resources for Laboratories Seeking Accreditation for Cannabis Testing

ORELAP accredits Cannabis testing under ORS 475B.550 to 475B.590.  Laboratories are accredited to the TNI Standard and are held accountable to the rules found in OAR Chapter 333, Division 64.  Currently, laboratories must be located in Oregon to be accredited for Cannabis testing.


Permanent changes to OAR 333 Division 7 and 64 effective January 1, 2022
  • Establishes testing requirements for industrial hemp-derived vapor items.
  • Requires delta-8 THC in potency testing, starting July 1, 2022.
  • Changes requirements for reporting tentatively identified compounds (TICs) for solvent analysis.
  • Clarifies sample homogenization requirements.
  • Describes how to use limit of quantitation (LOQ) when calculating relative percent difference (RPD) or relative standard deviation (RSD).
  • For links and more information, visit ORELAP's Rules and Statutes.

Accreditation for the Cannabis Testing Industry

ORELAP Rules and Statues

Sampling Protocols

Your browser is out-of-date! It has known security flaws and may not display all features of this and other websites. Learn how