Driving under the influence (DUI) for a first conviction is determined by a blood alcohol concentration (BAC) of:

0.05%.
0.8%.
0.08%.
0.5%.
Explanation

Driving under the influence (DUI) is a criminal offense in all states of the United States. If your BAC is of 0.08 percent or higher, you should not be driving. If your BAC is 0.08% or higher while operating a vehicle, you will be considered to be under the influence of alcohol and face the consequences of a DUI conviction.

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