All people react to alcohol intoxication differently, so it is extremely subjective to ask police officers to evaluate if someone is or is not too drunk to drive based solely on their behavior. What Does BAC Measure?Ī BAC measurement does not take into account how intoxicated someone is. Lawyers can also challenge the result of the blood test or breathalyzer if they believe either was administered improperly. This fact can be used as a defense under the rising alcohol theory. Īdditionally, neither blood nor breath tests calculate the BAC at the time of driving, which is what matters under the law. This distinction is important as it is a cornerstone of many common DUI defenses. How is BAC Measured?Ī breathalyzer technically does not estimate how much alcohol is in a person’s blood, but actually how much alcohol is in their breath. A person’s BAC can be measured through blood, breath or urine tests, though in California, only blood and breath tests are used to estimate how much alcohol a person has consumed prior to driving. Blood Alcohol Concentration is a means of measuring how much alcohol a person has in their system. Sometimes people use BAL or (Blood Alcohol Level) for the same purposes. What Does BAC Stand For?īAC is an acronym for Blood Alcohol Concentration. However, if the officer believes you are driving while intoxicated, you can still face DUI charges. If your BAC is above the legal limit, you will usually be charged with driving under the influence of alcohol.
#Bac stands for quizlet drivers
Under California law, the maximum BAC someone can have while driving is typically 0.08%, but commercial drivers must have a BAC below 0.04%, and minors must not have a BAC above 0.01%. BAC is an abbreviation for Blood Alcohol concentration, which estimates how intoxicated someone is while driving.
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