Gas chromatography is the laboratory method often used to measure alcohol in a Michigan DUI blood test. Although prosecutors may present the result as a precise scientific number, the real question is whether the underlying data supports that number. In many cases, the most important defense work begins not with the final lab report, but with the chromatograms, calibration records, quality-control data, and analyst decisions behind it.
Key point: A blood alcohol number is not self-proving. It is the final product of sample handling, instrument performance, laboratory protocols, and human interpretation.
What Is a Gas Chromatography DUI Blood Test?
Michigan Criminal Defense Lawyer Blog
