Gunshot Residue-Similar Particles Produced by Fireworks

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Abstract
The fireworks industry uses compounds of lead, barium and antimony in the manufacture of a variety of pyrotechnic devices, with all three elements sometimes being present in the same device. As these elements are used to identify gunshot residue (GSR) particles, the possibility exists of some of these devices producing particles which could bear some resemblance to GSR. During the course of this preliminary study, fireworks were found that generate such GSR-similar particles, those particles being found both on the hands of professional fireworks technicians, and in the combustion plume of consumer-grade devices. Further work will be required to determine any impact such fireworks might have on GSR analysis and interpretation.

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