Breath & Blood
Drug Toxicology Guidelines for Report Interpretations
AZ DPS · 197 KB
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Drug Toxicology Guidelines for Report Interpretations is a AZ DPS's training manual setting out the standards the officer was taught to follow. It documents the procedural and foundational requirements for evidentiary breath and blood testing in Arizona. Because it is the government's own source material, it sets the standard a DUI case can be measured against — not a standard the defense invented.
What this document establishes
It sets out the procedural and foundational requirements for evidentiary breath and blood testing in Arizona. As primary-source material, it lets you compare what actually happened in a case against the written standard, rather than relying on how the procedure is described in court.
How it's used in a DUI defense
Breath and blood results rest entirely on procedure: the continuous 15-minute observation/deprivation period, instrument calibration and maintenance logs, a qualified draw, a DPS-approved kit, the right preservative and anticoagulant, and an unbroken chain of custody. Any gap in that record is a recurring suppression theme, and the BD Vacutainer recall history is a documented challenge to tube integrity.
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