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Justice committee No, particularly not in urine. You cannot correlate pharmacological effects in the body with what you find in the urine. So we're corroborating the finding. Based on the clinical indicators and the problem the person has in completing divided attention tasks, we can say they are under the influence of a drug, or drugs.
June 12th, 2007Committee meeting
Shirley Treacy
Justice committee That's right. There is no correlation for drugs. There just isn't enough literature out there. But for alcohol it's 80 milligrams per 100 millilitres, and that's based on blood levels, not urine.
June 12th, 2007Committee meeting
Shirley Treacy
Justice committee In what regard?
June 12th, 2007Committee meeting
Shirley Treacy
Justice committee There is more stuff in the literature about blood levels, but blood would be considered more invasive. So the program, as it stands in the U.S., is based on collecting urine samples—I guess saliva samples are another possibility—because they're less invasive than collecting blood.
June 12th, 2007Committee meeting
Shirley Treacy
Justice committee All right. Good morning. My name is Shirley Treacy. As I indicated, I am the current chair of the drugs and driving committee of the Canadian Society of Forensic Science. The drugs and driving committee is an advisory committee to the Department of Justice on drug-impaired driving matters.
June 12th, 2007Committee meeting
Shirley Treacy
Justice committee Yes, that's right. I'm the chairman of the drugs and driving committee, so my presentation will be more on the DRE program.
June 12th, 2007Committee meeting
Shirley Treacy