Answer to: How much alcohol can I consume before driving without risking an OVI conviction?
If you are over 21 years of age and your Blood Alcohol Content (BAC) and Breath Alcohol Content (BrAC) is .08 or greater, you are considered to be operating a vehicle impaired. The .08 refers to the concentration of alcohol in your in your breath or in your blood.
The fact that the legal limit for breath and whole blood are the same is not a coincidence. The breath machine equates the amount of alcohol in your breath to the probable amount of alcohol in your blood. Although state legislatures have generally accepted this principle, many toxicologists and other scientists do not necessarily accept it as scientifically sound.
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