Final answer:
In New Jersey, it is illegal to drive with a Blood Alcohol Concentration of 0.08 percent or higher for individuals 21 or older. This follows the National Minimum Drinking Age Act of 1984, setting the legal BAC limit for all states. Breathalyzer tests are used to measure BAC levels to enforce these laws.
Step-by-step explanation:
In New Jersey, as in most U.S. states, it is illegal to drive while under the influence of intoxicating beverages with a Blood Alcohol Concentration (BAC) of 0.08 percent or higher for those who are 21 years old or older. This level is the standard established across the United States, following the National Minimum Drinking Age Act of 1984, which required states to adopt a minimum drinking age of twenty-one. In an effort to reduce alcohol-related accidents, laws enforce penalties for driving with a BAC above the legal limit, as determined by breathalyzer tests or blood tests. Alcohol intoxication and its risks can increase depending on various factors, including the number of alcoholic drinks consumed and an individual's metabolism rate, which breaks down alcohol at a rate of about 3.3 mmol/L (15 mg/dL) per hour.