Washington's Top Cannabis Lab Hit with Suspension – Leafly

In late April, Leafly News reporter Tobias Coughlin-Bogue reported that complaints had been submitted to the Washington State Liquor and Cannabis Board (WSLCB) by a group of industry members that accused one of the state’s largest cannabis testing labs of “consistent and large-scale inaccuracies.” According to the Cannabis Laboratory Association, a group of state-licensed testing labs that was formed to promote industry standards, data analysis of 2016 testing results showed significant differences between the results of potency tests conducted by Peak and potency tests carried out by some of the other large testing labs in the state.


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At the time, a Peak representative said the lab met “all state, local, and WSLCB mandated regulations” and that its testing methods were scientifically valid.

Three months later, there’s been a change in the lab’s state licensing status. Late last week, the WSLCB confirmed that Peak Analytics’ lab certificate was suspended by the Board on July 26.

According to a WSLCB spokesperson, Peak was the subject of an audit by the RJ Lee Group, an industrial forensics analytical laboratory and scientific consulting firm out of Pittsburgh. The WSLCB told Leafly that the audit found some deficiencies in need of improvement. The RJ Lee Group recommended that the WSCLB suspend Peak Analytics’ certificate pending the fixing of the deficiencies.


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Peak has the opportunity to put the company’s license back in good standing by correcting the issues RJ Lee Group brought up in the audit. If the lab does that, the RJ Lee Group would then check to see if those issues were fixed—and recommend that the LCB recertify the lab.

When asked

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