I think it's possible.
The mouthwash I tested yesterday in my lab certainly did. I didn't swish it around my mouth and spit it out and try it that way, but I waved the passive detector over the top of it.
On October 20th, 2016. See this statement in context.
October 20th, 2016 / 11:20 a.m.
Chair, Alcohol Test Committee, Canadian Society of Forensic Science
I think it's possible.
The mouthwash I tested yesterday in my lab certainly did. I didn't swish it around my mouth and spit it out and try it that way, but I waved the passive detector over the top of it.
See context to find out what was said next.