Washington State University working on marijuana breathalyzer

 

Chemists at Washington State University in Pullman have teamed with instrument maker Chemring to develop a 'drugalyzer' that can detect whether a driver is intoxicated on marijuana. Similar efforts are being conducted in North America by breathalyzer maker Lifeloc and Cannabix Technologies of Canada. With Washington and Colorado having legalized marijuana and established limits for driver impairment, the race now is to see who can create a device to take a quick, accurate measure of how much THC (the active ingredient in marijuana) is in the bloodstream.

Right now if a Washington policeman suspects a driver is under the influence of drugs, they have to get a warrant to have blood drawn, but the results might not come back for weeks. WSU chemist Herb Hill is leading a team trying to shorten that process, testing a prototype device that uses ion mobility spectrometry as a

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