This webinar is especially timely for Canadian criminal lawyers since the Supreme Court of Canada decision (R v. St-Onge Lamoreux) recently upheld the restrictions to the two beer defence and the issue of where the error occurred in breath testing must now be raised in criminal trials.
Forensic alcohol toxicologist James Wigmore and Justice Rick Libman continue their Odyssey as they examine the forensic aspects of alcohol in criminal and personal injury cases. Part III will cover the principles, practice and problems of breath alcohol testing of drinking drivers.
1. Principles- includes a short history of breath alcohol testing, the main current methods for detecting alcohol (fuel cell and IR), the mouth alcohol effect, specificity (the effects of solvents, gasoline, diabetes etc), and blood/breath alcohol ratio.
2. Practice- the operation and description of the various commonly used evidential breath alcohol testing instruments such as the Intoxilyzer 5000, 8000, Intox EC/IR, BAC Datamaster, and Alco-Sensor IV XL will be presented
3. Problems- operator error, instrument error, improper scientific procedures, the inability of the slope detector system to flag mouth alcohol and interferent detection systems will be discussed.
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