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lung physiology Tag

Dayton DUI Attorney Charles Rowland > Posts tagged "lung physiology"

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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