GA/T 958-2011

Forensic investigators use this standard when collecting and packaging trace evidence of rubber and plastic at crime scenes. Such evidence, which may come from shoe soles, tire fragments, or plastic debris, is crucial for solving cases. This standard ensures that evidence is collected and packaged in a consistent and scientific manner, preventing contamination and damage, thereby guaranteeing the accuracy of subsequent analysis.

刑事技术人员在犯罪现场勘查时，使用本标准来提取和包装橡胶和塑料类微量物证。这些物证可能来自鞋底、轮胎、塑料碎片等，对案件侦破有重要价值。本标准确保了物证提取和包装的规范性和科学性，避免污染和损坏，保证后续检验的准确性。

Standard GA/T 958-2011 specifies methods for collecting and packaging trace evidence of rubber and plastic in forensic science. It lists required equipment such as tweezers, brushes, magnifiers, and scalpels, and details procedures including photographic documentation before collection, various collection techniques (picking, brushing, peeling, sticking) depending on the situation, and packaging requirements (using evidence bags, separate packaging, labeling). This standard is used by forensic investigators at crime scenes to ensure standardized and scientific handling of evidence.

本标准GA/T 958-2011规定了法庭科学领域中橡胶和塑料微量物证的提取与包装方法。标准详细列出了所需器材，包括镊子、毛刷、放大镜、手术刀等，并规定了提取前拍照固定、不同场景下的提取方式（如夹取、刷取、剥离、粘取）以及包装要求（如使用物证袋、分开包装、标注信息）。该标准适用于刑事技术人员的现场勘查工作，确保物证提取和包装的规范性与科学性。