GB/T 40991-2021
ActiveCollecting and packaging methods for trace evidence
微量物证的提取、包装方法
Application Summary AI generated
This standard specifies the procedures for collecting, preserving, and packaging trace evidence such as fibers, glass fragments, paint chips, and gunshot residue at crime scenes. It is applied by forensic investigators and law enforcement agencies in China to ensure the integrity and chain of custody of physical evidence for laboratory analysis. The standard is critical in criminal investigations, accident reconstruction, and environmental forensics where microscopic material must be reliably documented and transported.
Related Standards
GA/T 954-2011
Specification for impressed marks in toolmarks examination in forensic
GA/T 952-2011
Code of practice for engine number and frame number examination of vehicle in forensic
GA/T 951-2011
Regulation of digital photography by ultra-violet observation photography system
GA/T 955-2011
Regulations for collecting, packing and delivering firearms evidence materials in forensic
GA/T 957-2011
Collecting and packaging method for trace evidence--Paint
GA/T 958-2011
Collecting and packaging method for trace evidence--Rubber and plastic
GA 926-2011
General technical requirement for micro-dose X-ray transmission body scanners
GB/T 20222-2006
General technical requirements for anti-copying technical products
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.