The Confirmation of Volatiles by Solid-Phase Microextraction and GC-MS in the Investigation of Two Traffic Fatalities

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Abstract
A simple, sensitive, and reliable method was developed for the confirmation of nonroutine volatiles in the investigation of two traffic fatalities. Solid-phase microextraction (SPME) fibers were used to extract volatile compounds from the headspace of sample vials; components were subsequently analyzed by gas chromatrography-mass spectrometry (GC-MS). In the first case, ethanol and methylene chloride were detected in a urine sample by headspace SPME and GC-MS. The second case involved the analysis of volatile petroleum products from submitted specimens by headspace SPME and GC-MS. In both cases, SPME and GC-MS analyses provided crucial evidence in the investigation of the traffic fatalities.

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