The document discusses testing emergency plans through various methods. There are four main steps in the emergency planning process: hazard analysis, plan development, testing the plan through training and exercises, and plan maintenance. Testing plans is important for routine revision, changes in situation, plan modifications, and upgraded response capabilities. Effective testing follows a sequence of first checking individual resources, then testing the plan structure, and finally verifying the ability of commanders. While full-scale exercises are not always possible or necessary, they provide the most realistic testing but require significant resources. Other testing methods include seminars, tabletop exercises, control post exercises, and functional exercises. Proper documentation of the testing requirements, project, execution, evaluation, and recommendations is necessary for