1.1 本指南提供了使用经过培训的面板在受控条件下对产品和材料进行气味评估的指南。 1.2 本指南涉及气味、香气、恶臭和芳香（见术语 E253 ). 1.3 本指南介绍了评估员的选择和培训、样品制备和特定于气味评估的测试程序。 1.4 本指南不涉及任何特定类别产品的气味。 1.5 本指南不推荐特定的测试方法。用户负责确定最合适的测试设计和分析工具，以解决研究问题。 1.6 单位- 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.7 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、健康和环境实践，并确定监管限制的适用性。 1.8 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）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》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 本指南提供了在受控条件下向评估人员提供产品和材料样本以评估气味属性的一般指南和建议。具体情况可能需要更改这些指南。 5.2 本指南用于评估产品和材料的气味，包括但不限于开发、重新配制、投诉调查、质量控制和稳定性/保质期。 5.3 本指南的内容也可用于涉及气味评估任务的评估员培训计划。

1.1 This guide provides guidelines for odor evaluation of products and materials under controlled conditions with a trained panel. 1.2 This guide addresses odor, aroma, malodor and fragrance (see Terminology E253 ). 1.3 This guide addresses assessor selection and training, sample preparation, and test procedures specific to odor evaluations. 1.4 This guide does not address odor of any specific category of products. 1.5 This guide does not recommend a specific testing method. The user is responsible for identifying the most appropriate test design and analysis tools to address the research questions. 1.6 Units— The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.8 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. ====== Significance And Use ====== 5.1 This guide provides general guidelines and recommendations for presenting product and material samples to assessors for evaluation of odor attributes under controlled conditions. Specific situations may require variations to these guidelines. 5.2 This guide is designed for use in assessing odor of products and materials for such applications as, but not limited to, development, reformulation, complaint investigation, quality control, and stability/shelf-life. 5.3 Elements of this guide may also be utilized for assessor training programs involving odor evaluation tasks.