State cannabis regulators will begin their first attempt next month to double check the work of licensed testing labs tasked with ensuring the safety of Missouri marijuana products.

Starting July 1, staff with the Division of Cannabis Regulation will arrive unannounced at dispensaries and collect about 50 products a month off the shelves. They’ll take them to the Missouri State Public Health Reference Laboratory to be tested for things like mold, pesticides and a whole range of other things.

Ryan Bernard, the division’s testing and research unit manager, said the unannounced sampling has been in the works for a while as a way to add an extra level of compliance. The division, Bernard said, isn’t expecting to find problems.

“We won’t know until we see the data,” Bernard said. “I have ful

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