Watch Out Below! By the Safety Guys: Vince McLeod, CIH, Glenn Ketcham, CIH
Investigations and evidence collection can take one into unusual settings including inside confined spaces such as trash compactors, storm sewers, underground vaults, and into deep excavations or trenches. Many locations may appear relatively benign but can hold hidden hazards with potentially fatal consequences for any who enter unprepared.
EDAX: The New Versatile Micro XRF Orbis Elemental Analyzer
The Orbis incorporates a motorized turret for coaxial sample view and X-ray analysis. Primary beam filters are used with X-ray optics for μ-spot analyses. Minimal sample preparation and improved sensitivity over SEM/EDS. Applications: forensics, materials I.D./compositional analysis, failure analysis, RoHS/WEEE, non-destructive testing, elemental imaging and more. www.edax.com/newxrf
The Controversy Concerning Gunshot Residues Examinations By: Dennis L McGuire, M.S.
Lawyers, judges, and juries can be seriously misled by crime laboratory findings of the presence of gunshot residues (GSR).
Gunshot residues are defined in the Association of Firearms and Toolmark Examiners (AFTE) Glossary as “The total residues resulting from the discharge of a firearm, it includes both gunpowder and primer residues, plus metallic residues from projectiles, fouling etc.”
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