The Washington State Department of Agriculture-Chemical and Hop Laboratory is now ISO 17025-accredited.
The proposed cannabis lab testing regulations set a licensing scheme and regulatory framework that requires microbiological, water activity, pesticides, residual solvent, heavy metal testing and more.
Headspace is the most common analytical technique for efficiently removing the residual solvents from the complex cannabis extract matrix.
Perry Johnson also determined The Emerald Test meets their audit criteria for accreditation.
Shimadzu says their cannabis-specific HPLC can be used by someone with little experience, yielding results in as little as 8 minutes.
Laboratories can achieve greater accuracy and credibility when using the proper CRMs.
The workhorse approach for pesticide residue analysis involves using gas chromatography and liquid chromatography tandem mass spectrometry (MS/MS) in the ion transition mode.
For potency analysis via HPLC, grinding/homogenization and alcohol extraction is a common sample prep technique for dried flower and extracts.
The temporary rule changes are meant to lower the testing burden, addressing concerns of a potential market crisis.
374 Labs, based in Sparks, NV, was an active player in the state’s round robin testing program and is partnering with Clean Green Certified.