1.1本指南提供了法医文件检查员应使用的程序（指南 E444 )用于保存烧焦的文件。 1.2这些程序包括评估需要保存的材料的充分性。 1.3在给定情况下使用的特定方法将取决于可用于保存的材料的性质。 1.4本指南不涵盖保存烧焦文件的所有程序。可能需要咨询文件保护者、档案管理员或相关材料专家以及参考材料。 1.5本指南不取代知识、技能、能力、经验、教育或培训（指南 E2388 )并应与专业判断结合使用。 1.6 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 ====意义和用途====== 本文概述的程序以法医文件检查和相关领域公认的知识和经验为基础。通过遵循这些程序，法医文件审查员可以可靠地处理烧焦的文件，以优化其保存。

1.1 This guide provides procedures that should be used by forensic document examiners (Guide E444 ) for the preservation of charred documents. 1.2 These procedures include evaluation of the sufficiency of the material requiring preservation. 1.3 The particular methods employed in a given case will depend upon the nature of the material available for preservation. 1.4 This guide does not cover all procedures to preserve charred documents. Consultation with a document conservationist, archivist, or related material expert, as well as reference materials, may be necessary. 1.5 This guide does not replace knowledge, skill, ability, experience, education, or training (Guide E2388 ) and should be used in conjunction with professional judgment. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. ====== Significance And Use ====== The procedures outlined here are grounded in the generally accepted body of knowledge and experience in the field of forensic document examination and related fields. By following these procedures, a forensic document examiner can reliably process charred documents to optimize their preservation.