KnowraBreathalyzerLinked fromLinked fromThe 5 pages that link to Breathalyzer, each with the reason it gives.All 5Related 5DichromateRelated: Older chemical breath tests used dichromate reduction and its accompanying color change.Alcohol dehydrogenaseRelated: Some breath-testing systems use alcohol dehydrogenase to detect ethanol.Alcohol intoxicationRelated: Breath testing provides a practical estimate of alcohol exposure during suspected impairment.Blood alcohol concentrationRelated: Breath testing infers BAC from breath alcohol rather than sampling blood directly.Driving under the influenceRelated: Breath testing can provide evidence of alcohol concentration after a traffic stop.