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ethanol Tag

23 February
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The Science Behind Blood Alcohol Urine Tests

Posted by Clint
in Blog
The Science Behind Blood Alcohol Urine Tests

Along with breath and blood tests, urine tests can be used by law enforcement officers to measure blood alcohol levels. Scientists have found that urine tests inaccurately measure concentrations of ethanol, but they do show whether alcohol is present. Urine tests can be unreliable for a number of other reasons, but law enforcement continues to use them as an alternative to the more typical breath and blood tests. Urine tests also can show the presence of other drugs besides alcohol. Like for blood testing, laboratories use gas chromatography-mass spectrometry (GC-MS) to detect ethanol levels in urine. Technicians run a sample through...

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25 August
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Common Myths about Breath Testing

Posted by Clint
in Blog
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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