Testing pot in a legal vacuum

logoWhen Ean Seeb’s prized strain Bio-Diesel won top prize in the Colorado Medical Marijuana Harvest Cup, he decided to see what the numbers were.

Seeb, co-owner of a dispensary called Denver Relief, took it to a nearby lab, which informed him that the THC accounted for 18% of the sample’s weight, a solid showing. Then a marijuana review website took samples of the same strain to the same lab and got different results, with one coming in at a stratospheric 29%.

“There was no way that that plant was 29%,” Seeb said.

Suspicious, he decided to blind-test the labs. Seeb put his marijuana buds through a coffee grinder to homogenize samples for five local labs.

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