Upcoming Action on Quality Assurance Testing and Product Requirements

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March 21, 2019

To:      Cannabis Testing Labs

Fr:       Kathy Hoffman, Cannabis Rules Coordinator

Re:      Upcoming Action on Quality Assurance Testing and Product Requirements

I am writing to inform you that the Washington State Liquor and Cannabis Board (WSLCB) will soon seek input from cannabis testing labs, as well as our cannabis licensees, on upcoming Quality Assurance Testing and Product Requirements (QA) (View draft conceptual rules here). The LCB first gave notice of its intention to file rules in an Issue Paper (CR 101) brought to the Board in August 2018.

These concepts are based on previous feedback and consistent with revisions staff are considering. Industry members are encouraged to provide feedback in writing or in person at an April 9, 2019 “Listen and Learn” forum at WSLCB headquarters. This Liquor and Cannabis Board-hosted forum is an opportunity for licensees, lab representatives, and others to contribute to draft conceptual rules regarding quality assurance testing for cannabis. Interested parties may also view the forum live via Webcast. It will also be recorded and posted on the LCB website for viewing later.

While many industry representatives have been part of the initial discussions around QA revisions, we are still in the beginning stages of rulemaking. QA topics the WSLCB will consider include:

  • Lot and batch sizes;
  • Fields of testing and pass/fail level adjustments;
  • Potency testing requirements;
  • Pesticide testing requirements for all cannabis products;
  • Heavy metals testing requirements;
  • Sample deduction requirements;
  • General testing rule adjustments;
  • Product, THC serving limits, and packaging requirements; and
  • Other related rule changes that may be necessary or advisable.


April 9, 2019 Listen and Learn Forum

In Person
       Tuesday April 9 from 1:00 – 3:45 p.m.
       LCB Headquarters Boardroom at 3000 Pacific Avenue in Olympia

Written Comments


Webcast for Viewing
       Register to watch here


The rule making process begins by announcing WSLCB’s intent to add and make changes to existing rules by filing a CR 101 form. This allows staff and stakeholders to begin discussing necessary rule changes. At the CR 101 stage of the rulemaking process, no proposed rule language is offered. Based on public and industry input received, staff will draft proposed changes for presentation to the Board at the next phase of the rule-making process.

Again, this memo is just to inform you that we will soon be beginning the process. We hope that you consider providing your input to us through the channels available. If you have any questions, please feel free to reach me at 360-664-1622 or Katherine.Hoffman@lcb.wa.gov.