What is a Portable Breath Test (PBT)?


A PBT or portable breath test is a type of field sobriety test used to investigate DUI. A PBT is much more susceptible to false positives, residual mouth alcohol, and less reliable than a State Administerd Breath Test. The NHTSA (National Highway Traffic Safety Administration) recommends that a PBT be used only after the officer has had the driver in his view for a minimum of 15 minutes and then only to confirm the findings of other field sobriety tests. In fact, the results of a PBT test are so unreliable that the numerical result is not admissible in court, only that it was positive or negative for the presence of alcohol.

If you were given a PBT as part of a DUI stop, call Attorney Josh Teague to discuss your case today.

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