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Consistent Particles

Particles that have compositions that are found in GSR and also arise from other non-firearm sources. DiscussionParticles within this group are pro- duced through the operation of a variety of processes, equipment, or devices and can be found in the environment with varying levels of frequency.

Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E1588-20 Standard Practice for Gunshot Residue Analysis by Scanning Electron Microscopy/Energy Dispersive X-Ray Spectrometry. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2020. Source link
Reprinted, with permission, from ASTM, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard may be purchased from ASTM International, https://www.astm.org