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Arizona DUI Defense: Inaccuracy of the Breath or Blood Testing Device

Today David M Cantor, Arizona DUI Lawyer, talks about the Arizona DUI Defense known as Inaccuracy of the Breath or Blood Testing Device. The AZ Department of Health Services (DHS) has set forth rules for the proper maintenance of breath testing devices. They must be calibrated to within a 10% accuracy range every thirty-one (31) days. In addition, the machine goes through a seven (7) test Standard Quality Assurance Procedure (SQAP) every ninety (90) days. If any of the maintenance checks are “out of tolerance”, then all breath tests given during the time interval between the two maintenance checks will be inadmissible. The prosecutor will not point this out for you.

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