Maine Group Urges Law for Drivers Under Marijuana Influence

December 23, 2015

A Maine working group has recommended that lawmakers pass legislation setting a blood-level limit for drivers under the influence of marijuana.

The group, which includes state troopers and marijuana legalization advocates, recommended that marijuana should be regulated but disagreed on the extent.

The majority said that the state should move to a standard of 5 nanograms of THC, one of the drug’s active ingredients, per deciliter of blood to test for marijuana impairment, similar to other states.

But opponents say the science behind that number is inconclusive, suggesting the state instead use a 7-nanogram standard. They say they’re concerned that regular marijuana users could be falsely convicted for driving while impaired because they have built up a tolerance to THC.

Police don’t currently have a method to test marijuana influence the way they test intoxication.


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