(Received 30 May 1989; accepted 26 September 1989)
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IntoxilyzerEM 5000 and blood-alcohol results from drivers arrested for operating a motor vehicle while intoxicated and for related offenses were compared during a two-year period. Three hundred and ninety-five pairs of results were studied. The breath- and blood-alcohol specimens in this study were collected within 1 h of each other. The mean blood-alcohol concentration obtained was 0.180 g/dL, with a range from zero to 0.338 g/dL. By comparison, the mean Intoxilyzer 5000 result was 0.16 g/210 L with a range from zero to 0.32 g/210 L. Compared with the blood-alcohol result, Intoxilyzer 5000 results were lower by more than 0.01 g/210 L 67% of the time, within 0.01 g/210 L 31% of the time, and higher by more than 0.01 g/210 L 2% of the time.
Chief, State Laboratory of Hygiene, University of Wisconsin, Madison, WI
Chemist, State Laboratory of Hygiene, University of Wisconsin, Madison, WI
Director, State Laboratory of Hygiene, University of Wisconsin, Madison, WI
Stock #: JFS12925J