Blood alcohol concentration or BAC means grams of alcohol per deciliter or 100 milliliters blood, or grams of alcohol per 210 liters of breath.
Majority means greater than 50 percent.
Passenger motor vehicle means a passenger car, pickup truck, van, minivan or sport utility vehicle with a gross vehicle weight rating of less than 10,000 pounds.
Primary offense means an offense for which a law enforcement officer may stop a vehicle and issue a citation in the absence of evidence of another offense.
23 C.F.R. §1300.20