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Blood testing in California DUIs


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11/17/2008
Anders Johnson
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The old cliche is that a blood test is more accurate than a breath test.  Not so fast.  The blood sample that is taken by the police officer can be compromised.  Blood samples can foment, clot, and grow bacteria, among other things.  The result is an alcohol level much higher than the true alcohol content level.

Another problem is the testing itself.  When a blood sample is taken, a white powder is placed in the base of a testtube.  This powder prevents coagulantion and preserves the specimen.  The accuracy and reliability of the powder is critical to determining the validity of the test result. 

The attorney should always order a sample of the blood for independent testing to have a forensics laboratory determine if any of the above problems occurred with the blood sample, the blood testing, or even if the blood sample is the client's! 



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