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California Supreme Court

Oct. 12, 2013

Justices skeptical of challenge to breathalyzer test

Sometimes science and the law don't match up, and that was the situation in a case heard by the state Supreme Court Thursday involving the credibility of breathalyzer tests.


By Emily Green


Daily Journal Staff Writer


SAN FRANCISCO - Sometimes science and the law don't match up, and that was the situation in a case heard by the state Supreme Court Thursday.


The central issue in the case is whether an expert witness should have been allowed to testify about validity problems with DUI breathalyzer tests.


Breathalyzers operate under the assumption that the partition ratio - the conversion of alcohol in ...

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