California Company Develops Breathalyzer to Test for Marijuana

As the Golden State gears up for recreational marijuana use to become legal, law enforcement officials and employers will eventually be able to use a tool to check if people are driving or working under the influence of weed.

That’s because an Oakland company is developing a breathalyzer to measure in parts per trillion how much THC — an active ingredient in marijuana — is in someone’s breath.

The issue at hand for law enforcement officials and employers is how to tell if someone is actually under the influence of marijuana. A blood test doesn’t give an accurate measurement because THC can stay in one’s system for days, and simply smelling weed on someone is also not an accurate test because smoke can linger for hours.

Read More at NBCBayArea.com