(Received 20 August 1979; accepted 17 November 1979)
Published Online: July
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Automobile rubber bumper guard material may be of evidentiary value in hit-and-run accident investigations. Fifty-six automobile rubber bumper guard samples were examined by synchronous excitation spectrofluorometry using a dichloromethane solvent. During sample preparation, additional discrimination was possible by observing the relative densities of the different samples in dichloromethane. The 16 samples that were not uniquely distinguished by this combination were further examined by gas-liquid chromatography.
Chemist, United States Army Criminal Investigation Laboratory-Europe, Frankfurt am Main,
Stock #: JFS11260J