Marijuana testing and quality control is no simple feat.
Consider the plant itself: Cannabis contains a super sticky, resin lipid that is harder to work with than coffee, tobacco and most other natural products, said David Vaillencourt, CEO of the GMP Collective consulting firm in Colorado.
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“Separating out the cannabinoids to just look at pesticides is so much more complicated because we have to get rid of (the sticky resin) to separate that out and not lose the pesticides that we want to look for,” he explained.
Then there is the fact that flower at the top of a plant has higher THC levels than flower closer to the roots.
But there are ways to distinguish samples for better accuracy, Vaillencourt said.
“You can separate batches into top, middle and bottom thirds of the plant. And then you make sure you’re mixing it up and grabbing a representative
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