1.1 本标准是化学品潜在危险领域使用的术语汇编。不包括其他现成来源中普遍理解或充分定义的术语。 1.2 尽管其中一些定义是一般性的，但许多定义必须在其出现的标准中使用。相关的标准编号在定义后的括号中给出。 1.3 为了达成共识和标准化，鼓励一致使用单词，以帮助消除有效技术交流的主要障碍。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This standard is a compilation of terminology used in the area of hazard potential of chemicals. Terms that are generally understood or adequately defined in other readily available sources are not included. 1.2 Although some of these definitions are general in nature, many must be used in the context of the standards in which they appear. The pertinent standard number is given in parentheses after the definition. 1.3 In the interest of common understanding and standardization, consistent word usage is encouraged to help eliminate the major barrier to effective technical communication. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.