enforcement officers frequently use breathalyzers to test BAC, or blood alcohol contain concentration. However, blood tests are becoming an increasingly common way to test for BAC. One reason is that the blood test is often more precise and reliable than the breathalyzer.
If you or a loved one is facing a DUI charge and is concerned about breathalyzer or blood test results, it is recommended that you speak with an attorney about your case. Breathalyzer Test Disadvantages Compared to Blood Testing
Breathalyzer tests can be unreliable because:
Alternately, police officers can request that you submit to a blood test. It is important to remember that you have the right to refuse both blood and breathalyzer tests, but refusing these tests does have consequences.
The highway patrol officer presents a Breathalyzer device.
For various reasons, roadside breath tests are sometimes inaccurate. Bruce received a misdemeanor conviction for driving under the influence after taking a plea bargain on advice of a public defender; his Blood Alcohol Content (BAC) reading from a roadside Breathalyzer test had registered just over the legal limit in California of 0.08 percent.
Bruce replied that he had. The officer then asked Bruce if he would submit to a Breathalyzer test. The officer took Bruce into custody and drove to a local CHP office. Bruce's attorney met him upon arrival at the police station. On advice of counsel, Bruce refused to undergo a police interrogation and agreed to have blood drawn for a test of his BAC.