Glass Subgroup

Glass Documents

Process to Create:

Drafts offered to community for comment
Comments reviewed by the glass subgroup and incorporated or denied. All changes presented to the full SWG for their review.

Final draft voted on by full SWG - If approved, submitted to ASTM for incorporation

Enforcement – Voluntary


Introduction to Forensic Glass Examination - A primer of glass examination and its associated nuances; to limit the number of glass analysis misconceptions in law enforcement

Collection, Handling, and Identification of Glass - To improve quantity and quality of evidence submission

Initial Examinations of Glass - A primer to assist management with training and to assist current glass analysts

Glass Fractures - The action and resulting characteristics of glass fractures

Glass Density Determination - Methods and process of density measurements and the application to glass analysis; to provide a standard application of density measurements for the forensic analyst

Glass Refractive Index Determination - Methods and process of refractive index measurements and the application to glass analyst

Elemental Analysis of Glass - To provide a basic understanding of different types of glass, glass characteristics, and using elemental components in analysis

Forensic Glass Comparison: Background Information Used in Data Interpretation

ASTM Standards

E1967 - 11a Standard Test Method for the Automated Determination of Refractive Index of Glass Samples Using the Oil Immersion Method and a Phase Contrast Microscope

E2330 - 12  Standard Test Method for Determination of Concentrations of Elements in Glass Samples Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for Forensic Comparisons

E2926 – 13 Standard Test Method for Forensic Comparison of Glass Using Micro X-ray Fluorescence (m-XRF) Spectrometry

E2927 – 13 Standard Test Method for Determination of Trace Elements in Soda-Lime Glass Samples Using Laser Ablation Inductively Coupled Plasma Mass Spectrometry for Forensic Comparisons


Stefan Becker, Bundeskriminalamt Kriminaltechnisches Institut

Maureen Bottrell, FBI Laboratory

Brenda Burton, Centre of Forensic Sciences

JoAnn Buscaglia, FBI Laboratory, Counterterrorism and Forensic Science Research Unit

Russell Davis, Lake County Regional Forensic Lab

Bob Koons

Carolyn Krausher, RCMP

Thomas Kubic, TAKA Inc.

Jodi Webb, FBI Laboratory

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