1.1 本规程确定了在使用试验方法时用于测量航空涡轮燃料中颗粒污染的产品的适用性 D5452 和 D2276 . 1.2 这种做法有两个主要部分。第一个是用于评估与过滤器和过滤器支撑垫结合使用的乙酸丁酸纤维素现场监测器。第二部分是在与适当的乙酸丁酸纤维素现场监测器一起使用时对过滤器进行评估。 1.3 单位-- 以国际单位制表示的数值应视为标准。本标准不包括其他计量单位。 1.4 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者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。 1.5 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。 ====意义和用途====== 5.1 本规程为用于测量航空涡轮燃料样品中存在的颗粒物的产品提供了标准。目的是验证过滤器、支撑垫和现场监测器是否在本规程规定的可接受范围内。

1.1 This practice determines suitability of products used for measuring particulate contamination in aviation turbine fuel when using Test Methods D5452 and D2276 . 1.2 There are two major parts of this practice. The first is for evaluation of the cellulose acetate butyrate field monitors that are used in combination with the filters and the filter support pads. The second part is for evaluation of the filter when used with an appropriate cellulose acetate butyrate field monitor. 1.3 Units— The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard. 1.4 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. 1.5 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 practice provides criteria for products used to measure particulate matter present in a sample of aviation turbine fuel. The objective is to verify that filters, support pads, and field monitors fall within the acceptable ranges that are established by this practice.