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contamination Tag

Dayton DUI Attorney Charles Rowland > Posts tagged "contamination"

DUI Science and Blood Contamination

The practice of modern DUI law involves understanding the various scientific tests that have become commonplace in forensic collection and storage of specimens for alcohol analysis.  Specifically, DUI attorneys must understand that contamination can increase the concentration of ethanol in a specimen.  Typically, contamination takes one of two forms.  The first is straight-forward physical contamination which may manifest itself before, during or after collection.  The second form of contamination occurs when microorganisms contaminate a sample and produce ethanol in the sample thereby falsely inflating the amount of ethanol therein.  This article will focus on the physical contamination that may cause...

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Microbial Contamination of the Blood Draw

With recent changes in Ohio OVI law, attorneys should expect more blood test cases. Blood cases present the opportunity for multiple scientific defenses, but only if we recognize them and present them in a coherent manner before our judges.  Many of these scientific defenses can arise from problems in the blood draw.  If the blood draw is flawed microorganisms may contaminate the blood sample.  If this happens sugars (natrually present in the blood) can be converted into ethanol, resulting in a fasley high test.  Candida albicans is a yeast that lives on just about everything and is resistant to most...

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