描述用于确定和报告液压流体动力部件、部件、子系统和系统的润湿部分以及填充流体的污染物水平的实验室方法。对于每种类型的物品，它提供了获得液体样品及其污染水平的方法。它还包括建立抽样计划的程序和建立验收水平的指南，但没有设定这些水平。

To describe laboratory methods for determining and reporting the contaminant level of the wetted portion of hydraulic fluid power components, parts, subsystems and systems, and of fill fluids. For each type of item, it provides a method of obtaining the liquid sample and the contamination level thereof. It also includes procedures for establishing a sampling plan and guidelines for establishing levels of acceptance, but does not set those levels.