Colorado Marijuana Regulators Consider Major Changes to How Labs Test for Contaminants

February 11, 2026

cluster of marijuana leaves

(ProPublica) – Critics say the current method of allowing manufacturers to choose the samples they send to labs is vulnerable to abuse and allows contaminated products to reach dispensaries.

Colorado marijuana manufacturers would no longer be allowed to choose which product samples they send for mandatory lab testing under a new regulatory proposal discussed at a policy forum on Friday. (Read More)