Volume 38, Issue 1 (January 1993)

    The Incidence of Transient Particulate Gunshot Primer Residue in Oregon and Washington Bow Hunters

    (Received 14 March 1992; accepted 25 May 2992)

    CODEN: JFSOAD

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    Abstract

    The interpretation of GSR/PA (gunshot primer residue particulate analysis) results in an alleged firearm violation of bow hunting regulations is complicated by the theoretical presence of contaminant GSR from prior legitimate shooting incidents. A total of 120 samples representing field collections from thirty Oregon and Washington bow hunters were analyzed for the presence of particulate gunshot residue in order to assess the level of contamination that may be present in this population. Of the bow hunters sampled, 50% stated that they shoot guns; 80% of the shooting group stated at the time of the GSR field collection that they were wearing the same outer clothing or driving the same vehicle, or both, when they last handled and fired a weapon. Analysis of the 120 samples resulted in the detection of one tricomponent particle of GSR.


    Author Information:

    O'Neil Espinoza, E
    Senior Forensic Scientist and Chief, Criminalistics Section, National Fish and Wildlife Forensic Laboratory, Ashland, OR

    Mann, MJ
    Senior Forensic Scientist and Chief, Criminalistics Section, National Fish and Wildlife Forensic Laboratory, Ashland, OR


    Stock #: JFS13372J

    ISSN: 0022-1198

    DOI: 10.1520/JFS13372J

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    Author
    Title The Incidence of Transient Particulate Gunshot Primer Residue in Oregon and Washington Bow Hunters
    Symposium , 0000-00-00
    Committee E30