With respect, you're talking rubbish
The analytical test protocols differentiate between alcohol in the bloodstream and any other topical preparation. Unless, perhaps, one is in the habit of drinking copious quantities of Listerine
Originally Posted by
Radgirl
A quick look on google is your friend and it appears that the test demands absolutely zero. So any contamination, mouthwash, a urinary tract infection etc etc etc is a fail. Scientific madness