1.1本标准定义了煤炭和焦炭D05委员会负责的标准中使用的技术术语。这些术语用于: 1.1.1在与煤和焦炭相关的大多数商业和技术目的所需的条件下对煤和焦炭进行采样。 1.1.2偏差和相关统计测试， 1.1.3煤的描述，包括现场视觉描述和实验室显微镜描述， 1.1.4煤和焦炭的化学和物理分析， 1.1.5煤炭分类，以及 1.1.6适用于煤炭和焦炭行业的某些其他相关实践和指南。

1.1 This standard defines the technical terms used in standards that are the responsibility of Committee D05 on Coal and Coke. The terms are used in: 1.1.1 The sampling of coal and coke under conditions required for most commercial and technical purposes related to coal and coke. 1.1.2 Bias and related statistical testing, 1.1.3 The description of coal, both visually in the field and microscopically in the laboratory, 1.1.4 Chemical and physical analyses of coal and coke, 1.1.5 Classification of coal, and 1.1.6 Certain other related practices and guides applicable to the coal and coke industries.