Are Breath Tests Reliable?

Kane County DUI Sobriety Test

The reliability of alcohol breath tests may be questionable. If you need assistance, consult with a DUI defense lawyer.

When you receive your driver's license, you agree to something called implied consent,  meaning that you agree to undergo blood alcohol content (BAC) testing if a police officer has reasonable suspicion that you may be impaired. If you refuse this test, you may be subject to license suspension.

To test for intoxication, officers often use a Breathalyzer device, into which suspects blow air from their lungs to measure BAC. If the BAC level is over .08, a driver is considered too intoxicated to operate a motor vehicle. However, breath test results may not be completely reliable.

If you were given an alcohol breath test after being stopped for drunk driving, consult with a skilled DUI defense attorney with experience litigating cases involving weak BAC breath test results.

Call Donahue, Sowa & Magana today at 630-762-1780 or contact us online.

Due to the questionable nature of breath tests, those accused of drunk driving may be able to challenge these results. There is a long list of things that could potentially cause high BAC results, so you should speak to a drunk driving defense attorney to find out what could have caused an inaccurate test in your case.

Scientifically, Breathalyzer and other breath analysis devices make assumptions that might not produce accurate results for every person. Similarly, outside factors such as an individuals' lung capacity and particles in the air may also affect the tests.

There is a lot to question when it comes to alcohol breath tests conducted by law enforcement officers.

Call Donahue, Sowa & Magana today at 630-762-1780 or contact us online.

Two convenient locations.

Naperville: 630-505-5200 St. Charles: 630-762-1780
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DUI Criminal Lawyers
Naperville Office 1555 Bond Street, Suite 103, Naperville, IL 60563 630-505-5200 630-596-9402
St. Charles Office 240 W. River Drive, St. Charles, IL 60174 630-762-1780 630-513-0109