Retrograde Extrapolation: The Rising Alcohol Defense
Retrograde Extrapolation: The Rising Alcohol Defense Retrograde extrapolation is the scientific and mathematical process used by chemists and toxicologists to estimate what a person’s blood alcohol content was at a specific time based on test results obtained at a later period of time. For the DUI case, it is used to determine whether or not a driver had a BAC of 0.08 or higher at the actual time of driving based on what the BAC was at the time of testing.Typically, we encounter retrograde extrapolation in cases where the collection of blood evidence is collected hours after the act of driving...
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