In Depth: Blood Alcohol Content


What is the legal limit for alcohol in Georgia?

Blood alcohol content or BAC is a measure commonly used to assess whether an individual is legally intoxicated. We have all likely heard of the term blood alcohol content or legal limit, but beyond that few of us have delved into the true meaning of the measure. Alcohol detected in your blood through a police ordered a blood test or Breathalyzer test can support your conviction for a DUI. However, for some individuals, BAC may not be an accurate assessment as to their level of intoxication. Our Atlanta DUI lawyers explore what your blood alcohol content means and whether this measure is always accurate.

Blood Alcohol Content Explained

Blood alcohol content is defined as a percentage of alcohol in the blood. BAC involves the units of mass of alcohol per volume of blood. For example, in America, a BAC of .08% means there are .08 grams of alcohol for every 100 ML of blood. Blood alcohol content varies based on several factors, including: how many drinks were consumed; the type of alcohol; your body size; how quickly the drinks were consumed; how much time has passed; whether you ate before drinking; and your individual metabolism.

Georgia’s BAC Limits

In the state of Georgia, it is illegal for drivers of any age to operate a motor vehicle if they have a blood alcohol concentration of: .08 percent if over the age of 21; .04 percent if operating a commercial motor vehicle; and .02 percent if under the age of 21. Georgia’s limits are on par with the rest of the nations.

False High BAC Readings

Alcohol is metabolized by six different enzymes, known as alcohol dehydrogenase. These enzymes function at different rates in individuals, with women, younger people, and those with liver disease typically metabolizing alcohol more slowly. Those with impaired alcohol dehydrogenase may experience an earlier alcohol peak. Further, certain minority groups may sober up more slowly due to lower levels of alcohol dehydrogenase. Certain medications can also impact how alcohol is metabolized. All of these factors matter because, for some, a high BAC reading may not accurately indicate intoxication. This makes it critical for your DUI defense attorney to thoroughly review and test the evidence being used against you. Contact us today.

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Our Service Area

We are located in Suwanee Georgia, but we defend clients throughout Gwinnett County, Forsyth County, Hall County, Barrow County, Jackson County, and Dawson County.  Contact our Atlanta law firm as soon as possible to learn how we advocate for your best interests.

Carter Pilgrim
Attorneys at Law

3725 Lawrenceville-Suwanee Rd, Suite A-4
Suwanee, GA 30024

Phone: Call our office 770-945-2320

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