使用连续空气监测器（CAM）的主要动机是，当超过显著的放射性浓度值时，需要以可接受的误报率以尽可能最准确的方式快速发出警报，以便采取适当措施减少相关人员的暴露。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。

The use of a continuous air monitor (CAM) is mainly motivated by the need to be alerted quickly and in the most accurate way possible with an acceptable false alarm rate when a significant activity concentration value is exceeded, in order to take appropriate measures to reduce exposure of those involved.All current amendments available at time of purchase are included with the purchase of this document.