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Researchers Developing Portable Marijuana Breathalyzer


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Pullman, Wa. (CBS SEATTLE) —Researchers at Washington State University are developing a breath test for marijuana that would be similar to current alcohol detection methods, but would indicate levels of THC active in a driver’s system.

Herbert Hill, a chemistry professor at Washington State University, is working with a research team at the university to create a device that can detect THC — the chemical behind marijuana’s mind-altering effects — on a person’s breath. Officers in Washington state and Colorado, where marijuana is legal, would no longer have to use blood tests to determine if the driver of a vehicle has been using the drug.

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“We believe, at least initially, that it would lower the false positives that an officer would have,” Hill told the Tacoma News Tribune. “They would have a higher level of confidence in making an arrest.”

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