Montana's marijuana testing process questioned

One of Montana’s few in-state laboratories that had participated in the roll-out of the recreational and medical marijuana programs said that it has closed its doors, largely based on concerns the owners have with scientific accuracy of testing the formerly banned substance.

Stillwater Laboratories owners Ron and Kristine Brost said they’re concerned that a software program the state uses may inadvertently approve large lots of marijuana without complying with the state’s testing standards, leading to a market that has increased the volume of marijuana without a commensurate increase in testing...