The FMCSA has established 0.04% as the blood alcohol concentration (BAC) level at or above which a CDL commercial motor vehicle operator who is required to have a CDL is deemed to be driving under the influence of alcohol and subject to the disqualification sanctions in the Federal regulations. Most States have established a BAC level of .08% as the level at or above which a person operating a non-commercial motor vehicle is deemed to be driving under the influence of alochol.
BTOs
