type of impairment or effect that various BACs University of Notre Dame legally intoxicated at a BAC level of .08. BAC was 0.21 blood alcohol concentration At a BAC of 0.08 BAC of 0.16 A chart Blood Alcohol Concentration (BAC) ways that BAC can impact your abilities blood alcohol concentration general timeline BAC University of Notre Dame Blood Alcohol Concentration Blood alcohol content BAC of 0.1 Blood Alcohol Concentration BAC was 0.21 BAC of 0.2 blood alcohol concentration BAC weight of ethanol in grams BAC gets much higher than 0.25 BAC levels