Measurement of Alcohol in Blood and Breath

Study Guide #10 Measurement of Alcohol
in Blood and Breath

Topics

Effects on Absorption Type of Drinks Condition of Stomach
Metabolism

Elimination

BAC Level

Ultimate BAC level depends upon rate of absorption competing with rate of elimination

BAC V. Amount of Alcohol Consumed

Assume the following:

Male Vol – Wgt X BAC

3.78

Female Vol – Wgt X BAC

4.67

Example

Vol = 110 X 0.1 - 2.35 oz of 100 proof

4.67 liquor

For beer: multiply result by 12 (result is about 2.5 beers)

Widmark Curve

Measurement of BAC

Field Sobriety Testing