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Texas DWI defense attorneyAs the winter holidays approach, including potential New Year’s Eve festivities, even during the age of the COVID-19 pandemic, there is an increased likelihood of cases involving DWI (driving while intoxicated), DUI (driving under the influence), and even BWI (boating while intoxicated). As such, there is an equal increase in vigilance from law enforcement with regards to policing drunk driving. With that in mind, here is more information about one of the first things that will happen if you do get pulled over for a DWI this holiday: the breath test.  

How Breath Can Be Tested for Alcohol

Alcohol moves through the alveoli of the lungs when it is consumed and evaporates into your breath. This “alveolar air,” when exhaled, provides substantial evidence to breathalyzer and other related breath tests of blood alcohol concentration (BAC). This allows officers to instantly know whether someone is drunk enough to be arrested instead of having to wait for the results of a blood or urine test. 

The Types of Breathalyzers and How They Work

There are three common types of devices that analyze your breath for blood alcohol content:

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