1.1本规程涵盖了收集和保存与一氧化碳中毒事件相关的信息和物证的指南。 1.2本规程无意作为调查敌对火灾引起的一氧化碳中毒的指南。与火灾相关的一氧化碳中毒调查指南见NFPA 921， 火灾和爆炸调查指南 . 1.3 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。

1.1 This practice covers guidelines for collecting and preserving information and physical evidence related to incidents involving the poisoning of individuals by carbon monoxide. 1.2 This practice is not intended to be a guide for investigating carbon monoxide poisoning caused by hostile fires. Guidance on the investigation of carbon monoxide poisonings related to fire can be found in NFPA 921, Guide for Fire and Explosion Investigations . 1.3 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.