Work Item
ASTM WK72526

New Practice for Standard Practice for Expert Opinions on the Interpretation of Primer Gunshot Residue (pGSR) Analysis by Scanning Electron Microscopy/Energy Dispersive X-Ray Spectrometry

1. Scope

This document applies to persons who present expert opinions regarding primer gunshot residue analysis results. This document defines the range of opinions that are based upon the existence of a body of published scientific literature. This document does not address all possible circumstances that may be encountered when giving an expert opinion. This document cannot replace knowledge, skill, or ability acquired through appropriate education, training, continued competency, and experience. It should be used in conjunction with professional judgment. The use of this document presumes that the data on which an opinion is being offered was obtained under the requirements of ASTM E1588 or a comparable published standard.


Gunshot Residue; Scanning Electron Microscopy; Testimony


The OSAC Subcommittee for Gunshot Residue Analysis has developed a new standard practice for expert opinions on the interpretation of gunshot residue analysis by SEM/EDX. This document was reviewed by the OSAC Chemistry/Instrumental Analysis SAC and resource committees.

The title and scope are in draft form and are under development within this ASTM Committee.


Developed by Subcommittee: E30.01

Committee: E30

Staff Manager: Brian Milewski

Work Item Status

Date Initiated: 04-07-2020

Technical Contact: David Freehling

Item: 005

Ballot: E30.01 (20-02)

Status: Will Reballot Item

Item: 001

Ballot: E30 (22-04)

Status: Will Reballot Item