Tag Archives: evidential urine testing

DUI Blood & Urine Testing: Understanding Gas Chromatography

Gass chromatographer - oven with capliary colu...

If you have been arrested for a DUI involving blood testing you may encounter a testing procedure known as Gas Chromatography.  Gas Chromatography is the most reliable method for alcohol testing in blood and urine and has become the accepted gold standard in forensic toxicology.  Gas chromatography specificity for ethanol (drinking alcohol) is very good and this method can also identify and quantify other organic or interfering substances such as methanol and isopropanol. The two commonly used techniques for analyzing [Read the full post. . .]

Blood & Urine Specimens O.A.C. 3701-53-05

Arm venipuncture prior to fililng a vacutainer.
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Ohio Administrative Code section 3701-53-05 applies to the collection of blood and urine specimens.  Section (A) requires all samples to be “collected in accordance with section 4511.19 (DUI statute), or section 1547.11 (Boating Under the Influence) of the Revised Code, as applicable.”

Section (B) states, “[w]hen collecting a blood sample, an aqueous solution of non-volatile antiseptic shall be used on the skin.  No alcohols shall be used as a skin antiseptic.”  A good place to start your [Read the full post. . .]