preliminary breath test (PBT)

Definition of "preliminary breath test (PBT)"
  1. A breath test conducted before arrest during a DUI or DWI investigation to gauge the individual's blood alcohol level
How to use "preliminary breath test (PBT)" in a sentence
  1. The officer requested a preliminary breath test after noticing the driver's erratic behavior.
  2. A preliminary breath test showed the driver's blood alcohol level was over the legal limit.
  3. Failing the preliminary breath test resulted in the driver being arrested for DWI.

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