NIST Boulder is working to determine if it’s possible to make a breathalyzer that detects the tetrahydrocannabinol(THC) present in cannabis, instead of detecting the ethanol present in alcohol.
source
I see Rochelle's Threz "R's" in your future
NIST Boulder is working to determine if it’s possible to make a breathalyzer that detects the tetrahydrocannabinol(THC) present in cannabis, instead of detecting the ethanol present in alcohol.
source