The primary area of scientific expertise in DUI and vehicular crimes cases is perhaps the what is most lacking our country’s crime laboratories – metrology.
The primary components of a breath alcohol measurement include:
Each element of the measurement system must be valid and reliable to be capable of producing consistently trustworthy results. However, in itself, these do not guarantee that at a particular time, date, and place the system was functioning properly and did, in fact, yield an acceptably correct breath alcohol analysis result.
See Dubowski, Necessary Scientific· Safeguards Breath Alcohol Analysis, JOURNAL OF FORENSIC SCIENCES (1960).
DUI LIBRARY | Breath Testing
Frequently Asked Questions
- Measurement of Uncertainty for Vaporous Ethanol Concentration Analyzed by Intoxilyzer 8000 Instruments.
- Variability of the Blood/Breath Alcohol Ratio in Drinking Drivers – Volume 41, Issue 6 (November 1996.)