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Legal Limit: Oklahoma Blood Alcohol Content

Blood alcohol content, or BAC, is the percentage that represents the amount of alcohol in your bloodstream. After alcohol is ingested, it is broken down or metabolized as it is absorbed into your intestines, your bloodstream, your brain and is then expelled.

Testing BAC

A person’s BAC is measured through chemical tests of breath, blood or urine. In a DUI investigation, an officer may also attempt to administer a field sobriety test or use other clues—such as the driver’s speech or the odor of alcohol on his breath—to determine if the driver is intoxicated. However, only the State-administered chemical test can determine the driver’s BAC—and even those tests can produce erroneous results.

Politics and DUI

The legal limit in Oklahoma and around the country for drivers over the age of 21 is .08. But there was a time in our nation’s history when it was .15. It was reduced to .12, then .10 and finally to .08 based on political assumptions rather than scientific studies. In fact, the limit was lowered and the drinking age raised due to political pressure—similar to pressure lobbyists are using today as they argue for harsher drunk driving penalties and an even lower legal limit. In fact, the National Highway Traffic Safety Administration, or NHTSA, is fighting to lower the legal limit to .05.

Perhaps the most disturbing part of this trend is that there is no definitive evidence to support that .08 is an applicable, universal threshold of intoxication. 

If you are facing DUI charges in Oklahoma because of a breath test reading, do not hesitate to call the Edge Law Firm. As one of the top DUI defense firms in the country, our experienced team knows the science, politics and tactics that the prosecution will try to use to convict you of this serious charge. To request a free consultation, call our office at (877) DUI-EDGE or (918) 582-6333, or fill out your information on our site.

Oklahoma DUI Laws