If a CMV driver operates a CMV with a detectable blood alcohol concentration (BAC) that is lower than 0.04 percent, they will be:
If you are found to be operating a CMV with any detectable amount of alcohol in your system, but you are still below the legal limit of 0.04 percent, you will be placed out-of-service for 24 hours. It is both illegal and dangerous to operate a motor vehicle while under the influence of alcohol.
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