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Ignitable Liquids, Explosives, & Gunshot Residue Subcommittee

OSAC Ignitable Liquids, Explosives & GSR SC icon only

The Ignitable Liquids, Explosives, & Gunshot Residue Subcommittee focuses on standards and guidelines related to the scientific examination and analysis of materials associated with fire and explosion investigations and the analysis of evidence that results from the deposition of or physical transfer of small or minute quantities of gunshot residue.

Officers | Members | Standards | Other Work Products




Brenda Christy, Subcommittee Chair, Virginia Department of Forensic Science

Thomas (Rusty) White, Subcommittee Vice Chair, Texas DPS Crime Laboratory

J. Matney Wyatt, Subcommittee Executive Secretary, Defense Forensic Science Center


Candice Bridge, National Center for Forensic Science at UCF

Jesse Brown, Defense Forensic Science Center

Douglas Byron, Forensic & Scientific Testing, Inc.

Erika Chen, New York Police Department Laboratory

John Chester, Indiana State Police

Michelle Clarke, Bureau of Alcohol, Tobacco, Firearms, and Explosives 

Andrew Cohen, University of Massachusetts, Amherst (Human Factors Task Group member)

Lauryn Degreef-Silk, U.S. Naval Research Laboratory

John Drugan, Massachusetts State Police Forensic Services Group

Trevor Gillis, Santa Clara County District Attorney's Crime Laboratory

Dana Greely, Colorado Bureau of Investigation

Christina Henry, Santa Clara County Crime Laboratory

Laura Hernandez, Verity Labs, Inc.

Steven Hoenig, American Public University

Monica Joshi, West Chester University of Pennsylvania

Debra Joslin, McCrone Associates, Inc. 

Mary Keehan, Virginia Department of Forensic Science

Kim Kunkler, U.S. Postal Inspection Service Laboratory

Christine Marsh, Federal Bureau of Investigation

Michael McCarriagher, Georgia Bureau of Investigation

Richard McLaughlin, Oxford Instruments

Danica Ommen, Iowa State University (Statistics Task Group member)

Raleigh Parrott, Federal Bureau of Investigation

Koren Powers, West Virginia State Police Forensic Laboratory

Christa Rajendram, Ohio Division of State Fire Marshal Forensic Laboratory

Amy Reynolds, Boston Police Department Crime Laboratory

Nicholas Ritchie, National Institute of Standards and Technology

Jason Schroeder, Harris County Institute of Forensic Sciences

Rodney Simmons, Wyoming Division of Criminal Investigation (Quality Task Group member)

Kevin Streeter, Michigan State Police

Larry Tang, University of Central Florida (Statistics Task Group member)

William Wirskye, Collin County, Texas (Legal Task Group member)


Published by a Standards Developing Organization (SDO)

to access the astm standards listed above, visit the access to standards webpage. 

Sent to an SDO

Under Development

  • Standard Test Method for Interpretation of Gas Chromatography-Electron Ionization Mass Spectrometry Data for the Identification of Ignitable Liquid Classes in Forensic Fire Debris Analysis.
  • Standard Classification for Ignitable Liquids Encountered in Forensic Fire Debris Analysis.
  • Standard Practice for Analysis of Ignitable Liquids by Gas Chromatography Electron Ionization Mass Spectrometry.
  • Standard Practice for Quality Assurance of Laboratories Performing Analysis of Explosives.
  • Analytical Technique - PLM of Explosives and Explosive Residues.
  • Standard Practice for Validation of Methods for Analysis of Explosives.
  • Standard Practice for Validation of Methods for Analysis of Ignitable Liquids and Ignitable Liquid Residues. 
  • Standard Practice for the Analysis of Solid Oxidizer/Fuel Explosive Mixtures.
  • Standard Practice for Collection of pGSR Particles from Clothing, Vehicles, and Other Objects using Adhesive Lifts.
  • Standard Test Method for the Performance/Conduction of Automated pGSR analysis by SEM/EDS.
  • Standard Guide for Reacquisition of pGSR particles by SEM/EDS.
  • Standard Guide for the Classification of pGSR particles by SEM/EDS.
  • Standard Practice for Analysis of OGSR by LC-MS.
  • Standard Practice for Analysis of OGSR by GC-MS.

Other Work Products

Reference Documents

Research & Development Needs

Standards Development Maps

Discipline-Specific Bibliographies and Bibliographic References 

These documents may contain information to help forensic scientists, judges, lawyers, researchers, and other readers better understand the nature, scope, and foundations of the individual disciplines as currently practiced. The identification of these documents does not represent an endorsement by OSAC or NIST. Only standards that are posted on the OSAC Registry and Technical Guidance documents, are endorsed by OSAC. The referenced documents may be subject to copyright. Note: Subcommittee position statements or responses to data collections by the subcommittee do not necessarily represent the position of OSAC or NIST.

Historical References:


TWGFEX: Fire Debris Training:

Gunshot Residue

Created August 28, 2020, Updated September 7, 2021