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What do BAC measurements mean?

If you’re driving on the George Washington Memorial Parkway, Dulles Toll Road, or the Capital Beltway, there’s a chance an officer will pull you over if he believes you are driving while intoxicated.

After he interviews you and asks you to perform in a number of field sobriety tests, he will likely ask that you participate in a test that measures your blood alcohol concentration (BAC). These tests help determine your level of intoxication.

The Truth Behind the Numbers

If your test results measure 0.08 g/dl or above, you are considered by the State of Virginia, to be intoxicated. Here, we take a look at BAC measurements and what they indicate:

  • 0.02 g/dl. Those who have BACs of 0.02 g/dl typically experience some loss of judgment and altered moods. They are unable to perform more than one task at a time, and have a decline in visual functions.
  • 0.05 g/dl. A BAC of 0.05 g/dl can affect a driver’s ability to steer, and can cause a reduced ability to track moving objects, reduced coordination, and a reduced response to emergency driving situations. The person will likely also exhibit exaggerated behavior, reduced inhibitions, lowered alertness, and difficulty controlling small-muscle movements.
  • 0.08 g/dl. If your BAC is 0.08 g/dl, your muscle coordination becomes poor; your judgment, reasoning, memory, and self-control are impaired—and detecting danger becomes difficult. This BAC affects driving, as your speed control and concentration also decline. Drivers typically experience short-term memory loss, impaired perception, and have a reduced information processing capability.
  • 0.10 g/dl. Those with BACs of 0.10 g/dl have slurred speech, slowed thinking, and poor coordination, and exhibit a clear deterioration of reaction time and control. They may also have a reduced ability to stay in the correct lanes and brake appropriately while driving.

Contact Us for Help

All hope is not lost if you have received a DWI. The attorneys of the Easley Law Firm may be able to help. Contact us today to find out what we are able to do for you.


Contact Us Today

Easley Law Firm

  • 10521 Judicial Drive
    Suite 205

    Fairfax, VA 22030
  • Phone: 703-865-6610
  • Fax: 703-842-6101
  • Toll Free: 888-386-3898
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