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Lung Tag

Dayton DUI Attorney Charles Rowland > Posts tagged "Lung"

The Partition Ratio Defense; Do We Share a Lung?

Is your lung the same as mine?  The breath test machine assumes that it is.  While scientific studies suggest that lung physiology can have a significant impact on breath alcohol testing, Hlastala, "The Impact of Lung Physiology on Breath Alcohol Testing," 1 DWI Journal: Law and Sciences 5, 31-48 (November/December 1986), the breath testing machines assume that all lungs are the same.  It is assumed for purposes of breath alcohol analysis that a person will exhale air at an average temperature of 34 degrees C.  At that assumed temperature, 2100 milliliters of alveolar air (deep lung air) is assumed to...

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The “LONG BLOW” Breath Test Defense

 Did you know that an evidential breath testing instrument never really knows your "REAL" breath-alcohol concentration? Find out if you have to blow the breathe test in this video. The air that is expelled at the beginning of the blow has less ethanol than air exhaled at the end.  This is due to the fact that gravity forces blood to pool at the base of the lungs.  Air from your upper lungs has less a concentration and is exhaled first.  Subjects are exhorted to "blow longer" so that the deep lung air is measured.  The longer the blow the higher the...

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