An Evaluation of Different Evidence Bags Used for Sampling and Storage of Fire Debris

J.F. Demers-KohlsRoyal Canadian Mounted Police, Central Forensic Laboratory, 1200 Vanier Parkway, Ottawa, Ontario, Canada, K1G 3M8.

S.L. OuderkirkRoyal Canadian Mounted Police, Central Forensic Laboratory, 1200 Vanier Parkway, Ottawa, Ontario, Canada, K1G 3M8.

J.L. BuckleRoyal Canadian Mounted Police, Central Forensic Laboratory, 1200 Vanier Parkway, Ottawa, Ontario, Canada, K1G 3M8.

E.W. NormanRoyal Canadian Mounted Police, Central Forensic Laboratory, 1200 Vanier Parkway, Ottawa, Ontario, Canada, K1G 3M8.

N.S. CartwrightRoyal Canadian Mounted Police, Central Forensic Laboratory, 1200 Vanier Parkway, Ottawa, Ontario, Canada, K1G 3M8.

C. DagenaisRoyal Canadian Mounted Police, Forensic Laboratory Vancouver, 5201 Heather Street, Vancouver, British Columbia, Canada, V5Z 3L7.

ABSTRACT

Many investigators use evidence bags as storage containers for fire debris samples collected for accelerant determinations. This study deals with an evaluation of the bags available to this laboratory to compare them for storage of fire debris exhibits. Six brands of bags were tested based on six parameters: size, thickness, background (volatile), composition, tearing strength and puncturing strength.

RéSUMÉ

Plusieurs enquêteurs utilisent des sacs pour entreposer les pièces de débris ramassées pour l'analyse d'accélérants. Cette étude porte sur une évaluation complète des sacs disponibles à ce laboratoire afin de les comparer et de les évaluer pour l'entreposage des pièces de débris d'incendies. Six différents sacs ont été évalués en se basant sur six paramètres: grandeur, épaisseur, arrière-plan, composition, déchirement et perforation.

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An Evaluation of Different Evidence Bags Used for Sampling and Storage of Fire Debris

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An Evaluation of Different Evidence Bags Used for Sampling and Storage of Fire Debris

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