本文件规定了在涉及化学气体、蒸汽、液体和颗粒物危害的危险材料响应过程中所穿个人防护服的最低设计和性能要求。本文件提供了处理涉及化学和生物制剂的恐怖主义期间的保护问题的可选标准。本文件提供了可选标准，以说明在发生化学闪火时，在逃生过程中，组件保持完整性的能力。本文件未制定辐射危害、易燃易爆环境的最低防护标准。本文件不适用于提供灭火所需的高热量和火焰防护的服装。 本文件不涉及呼吸保护。

This document establishes minimum design and performance requirements for personal protective ensembles to be worn during hazardous materials responses involving chemical gas, vapour, liquid, and particulate hazards. This document provides optional criteria to address protection during terrorism involving chemical and biological agents. This document provides optional criteria to address the ability of ensembles to retain their integrity during escape in the event of chemical flash fire. This document does not establish minimum criteria for protection against radiological hazards, flammable, or explosive atmospheres. This document does not pertain to clothing providing the high level of heat and flame protection that is required for fighting fires. This document does not address respiratory protection.