ISO 12584:2013定义了报告和传达航空航天流体系统中所用部件的污染（或清洁度）水平的方法。 它还提供了一个编码系统，允许在报告污染水平测量结果和规定清洁度要求时，以缩短的方式和完整的方式报告清洁度数据。

ISO 12584:2013 defines the method of reporting and communicating the contamination (or cleanliness) level of components used in aerospace fluid systems. It also presents a coding system which allows cleanliness data to be reported, both in a shortened manner and in a complete manner, when communicating for reporting contamination level measurement results and for specifying cleanliness requirements.