Mr. Abe Verghis (Supervisor, Regulatory Affairs, Alcohol Countermeasure Systems Corp.) at the Justice and Human Rights Committee

I want to answer that one. Sweat and hair are used for long-term use. If you're looking for the presence of impairment you want to look for something that's immediate, which is saliva or blood, so we're looking only for saliva and blood. Sweat, hair, urine are all long-term uses.