The Trace Materials Subcommittee focuses on standards and guidelines related to examination and interpretation of physical evidence that may result from the transfer of small or minute quantities of materials (e.g., hairs, fibers, paint, tape, glass, geological materials).
Diana Wright, Ph.D., Subcommittee Chair, Federal Bureau of Investigation Laboratory
Celeste Grover, Subcommittee Vice Chair, Oregon State Police Forensic Services Division
Jenny Lounsbury, Subcommittee Executive Secretary, Texas Department of Public Safety
Jason Beckert, Microtrace LLC
Catherine Brown, Collaborative Testing Services (CTS)
Patrick Buzzini, Sam Houston State University
Jason Chin, Judge Alameda County Superior Court (Legal Task Group representative)
Ruthmara Corzo, National Institute of Standards and Technology
Amy Duhaime, Rhode Island Crime Laboratory
David Edwards, JEOL USA, Inc.
Troy Ernst, Michigan State Police Grand Rapids Forensic Laboratory
Kris Gates, Oregon State Police
Gwyneth Gordon, Arizona State University
David Green, Lake County (Ohio) Crime Laboratory (Quality Task Group representative)
Susan Gross, Bureau of Alcohol, Tobacco, Firearms and Explosives
Ethan Groves, Microtrace LLC
Katherine Igowsky, Minnesota Bureau of Criminal Apprehension
Wayne Isphording, University of South Alabama
Patrick Jones, Kansas City Police Crime Laboratory
Daniel Mabel, Defense Forensic Science Center
Ted Manasian, Ohio Bureau of Criminal Investigation
Michelle Mercer, Monroe County Crime Laboratory
Jeremiah Morris, Johnson County Sheriff's Office Criminalistics Laboratory
David Northrop, Ph.D., Washington State Patrol
Troy Nowak, Department of Defense, Defense Forensic Science Center
Edward Pollock Chip, Sacramento County District Attorney's Office - Laboratory of Forensic Services
Jennifer Remy, North Carolina State Crime Laboratory (Quality Task Group representative)
Alex Rugh, Colorado Bureau of Investigation
Ian Saginor, Federal Bureau of Investigation
Michael Smith, Federal Bureau of Investigation (Statistics Task Group representative)
Libby Stern, Federal Bureau of Investigation
REVISION to ASTM E2926 Standard Test Method for Forensic Comparison of Glass Using Micro X-ray Fluorescence (μ-XRF) Spectrometry.
REVISION to ASTM E2927 Standard Test Method for Determination of Trace Elements in Soda-Lime Glass Samples Using Laser Ablation Inductively Coupled Plasma Mass Spectrometry for Forensic Comparisons.
REVISION to ASTM E2224 Standard Guide for Forensic Analysis of Fibers by Infrared Spectroscopy.
REVISION to ASTM E2225 Standard Guide for Forensic Examination of Fabrics and Cordage.
REVISION to ASTM E2227 Standard Guide for Forensic Examination of Non-Reactive Dyes in Textile Fibers by Thin-Layer Chromatography.
REVISION to ASTM E2228 Standard Guide for Microscopical Examination of Textile Fibers.
Standard Guide for the Microscopical Examination of Human Hair.
Standard Guide for Powdered X-Ray Diffraction of Soils and Geological Materials for Forensic Applications.
Standard Guide for the Collection, Analysis, and Comparison of Forensic Glass Samples.
Standard Guide for Using X-Ray Fluorescence (XFR) in Forensic Polymer Examinations.
Standard Guide for Using Pyrolysis Gas Chromatography and Pyrolysis Gas Chromatography-Mass Spectrometry in Forensic Polymer Examinations.
OSAC 2022-S-0015, Standard Guide for Physical Fit Examination.
OSAC 2022-S-0017, Standard Guide for Microspectrophotometry in Forensic Fiber Analysis.
OSAC 2022-S-0018, Standard Practice for a Forensic Fiber Training Program.
OSAC 2022-S-0019, Standard Guide for Forensic Examination of Fibers.
OSAC 2022-S-0029, Standard Guide for Interpretation and Reporting in Forensic Comparisons of Trace Materials.
Standard Guide for Scanning Electron Microscopy (SEM)/ Energy Dispersive Spectroscopy (EDS) Analysis of Soils and Geological Materials for Forensic Applications.
Standard Guide for Polarized Light Microscopy of Soils and Geological Materials for Forensic Applications.
Standard Guide for Assessing Physical Characteristics in Forensic Tape Examinations.
Standard Guide for Using Light Microscopy in Forensic Tape Examinations.
Standard Practice for a Forensic Glass Analysis and Training Program.
Standard Guide for Using Raman Spectroscopy in Forensic Polymer Examinations.
Check out the Trace Evidence Collection App developed by the Outreach Task Group of the Trace Materials Subcommittee!
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.