Is there a difference with your blood alcohol level whether you take an Alcohol Breathalyzer test or from your blood?

Is there a difference with your blood alcohol level whether you take an Alcohol Breathalyzer test or from your blood? Like are there 2 different types of charts or something, or is the BAC from the breathalyzer the same as if they tested your blood?

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Tags: police alcohol blood test result time scale in uk, breathalyzer, alcohol breathalyzer

2 Responses to “Is there a difference with your blood alcohol level whether you take an Alcohol Breathalyzer test or from your blood?”

  1. •• TONY •• says on :

    KYLE is right. In the UK, if you fail a breathalyser test, you are arrested and taken to the nick. You are then offered the choice of supplying a sample of either urine or blood. If you give urine, you supply a specimen straight away which is subsequently sent off for analysis. If you opt for a blood sample, they have to call in a police doctor to take it. It can take an hour or more for the duty doctor to arrive, especially if it is at night. During the time you are waiting, your alcohol level will be falling.
    The breathalizer is only an indicator. It is not accurate enough to be accepted as evidence in court, hence the requirement to give a blood or urine sample.

  2. Kyle says on :

    [UK answer] No but if you are within a certain amount (5mg?) over the limit on a breathalyser you would be offered a blood test. by the time a police doctor arrives, your blood alcohol could be below the limit.

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