ASTM E3307
Standard Practice for the Collection and Preservation of Organic Gunshot Residue (OGSR)
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About This Item
ASTM E3307 is the ASTM standard for the collection and preservation of organic gunshot residue (OGSR). It provides a technical framework for handling these trace materials in a way that helps maintain their integrity from the point of collection through later examination. For laboratories, investigators, and forensic workflows, this standard matters because careful collection and preservation can support more consistent results and reduce the risk of contamination or loss of evidence.
What is ASTM E3307?
ASTM E3307, titled Standard Practice for the Collection and Preservation of Organic Gunshot Residue (OGSR), addresses the practical handling of OGSR evidence. As a standard practice, it is intended to guide how samples are collected, protected, and preserved so they remain suitable for further analysis. The document is centered on preserving trace organic material associated with gunshot residue, making it relevant to forensic evidence management and technical consistency in sample handling.
Where is ASTM E3307 used?
This standard is commonly used in forensic settings where OGSR evidence may be collected from surfaces, clothing, or related items for later examination. It is most relevant to laboratories, evidence collection teams, and professionals working with trace material preservation. ASTM E3307 supports workflows that depend on careful sample handling and chain-of-custody-minded practices, especially when preserving organic residues for analytical testing or investigative review.
Why is ASTM E3307 important?
ASTM E3307 is important because trace evidence can be easily degraded, transferred, or contaminated if it is not handled consistently. A recognized standard practice helps improve reliability in collection and preservation, which can support quality control and more defensible forensic results. For organizations that evaluate or procure evidence-handling procedures, ASTM E3307 offers a clear reference point for aligning practices with a formal technical document.
- Collection of organic gunshot residue
- Preservation of trace evidence integrity
- Forensic sample handling guidance
- Support for consistent evidence workflows
- Technical reference for OGSR analysis
- Publication Date: 2025-07-23
- Publisher: ASTM
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