This document specifies methods for the extraction and packaging of trace evidence such as fibers, glass, grease, metal, soil, explosive residues, flammable liquid residues, shooting residues, paint, rubber, and plastic. This document applies to the extraction and packaging of trace physical evidence.
GB/T 40991-2021 Referenced Document
GA/T 242 Physicochemical Examination Terminology for Trace Evidence in Forensic Science
GB/T 40991-2021 history
2021GB/T 40991-2021 Collecting and packaging methods for trace evidence