Common Myths about Breath Testing

Even law enforcement officers, prosecutors, and defense attorneys persist in believing several common myths about breath testing. This article explains why those myths are incorrect and how the truth could assist in defending a DUI. Myth: Belching and Vomit Do Not Affect Breath Test Results. Some people think that burping, belching, vomiting, and indigestion do not have a significant effect on breath tests results. Science has shown that this idea is fundamentally incorrect. Vomit, gas, and residual mouth alcohol all can contaminate breath specimens, leading to elevated readings of blood alcohol content from a breathalyzer. Mason & Dubowski, Breath as a Specimen...

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