本文件提供了合适选择配合测试方法和测量的指南，并提供了有关配合测试方法及其使用和限制的实用指南。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document gives guidelines for the appropriate selection of fit testing methods and measurement, and provides practical guidelines on fit testing methods, their uses and limitations.All current amendments available at time of purchase are included with the purchase of this document.