DUI Blood Test Information
When looking for alcohol content the preferred method of blood analysis is a process called "gas chromatography." This testing method utilizes a measuring technique of comparing of a known "standard" to your blood. These "standards" are certified pre-mix solutions, which have been tested for being accurate.
Some potential defenses might include:
- Clotting;
- Contamination;
- Chain of custody;
- Failure to comply with Title 17;
- Fermentation;
- Unqualified blood test analyst;
- Wrong blood specimen;
Information that might affect your blood alcohol level:
If not spun and frozen, sample deteriorates begins at 48 hours, to completely unsuitable after 14 days.
Additionally, you should know that as a general rule "serum" BAC is 16% to 23% higher than the "whole blood" concentration of the same original sample (because of alcohol's affinity for water meaning that it remains behind in the serum when the solids are centrifuged out of the sample making the alcohol concentration greater when compared to the original weight of the sample.) As a result a .060 serum alcohol level is equivalent to a .049 - .052 whole blood alcohol level.