What BAC means?

Blood Alcohol Concentration (BAC) refers to the percent of alcohol (ethyl alcohol or ethanol) in a person’s blood stream. A BAC of . 10% means that an individual’s blood supply contains one part alcohol for every 1000 parts blood. In California, a person is legally intoxicated if he/she has a BAC of . 08% or higher.

What is the meaning of BAC in driving?

Blood alcohol concentration
Blood alcohol concentration (BAC) is a measure of the amount of alcohol in a person’s bloodstream. … For instance, having a BAC of 0.08 percent means that a person has eight parts alcohol per 10,000 parts blood in the body.