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LLNL Emergency Plan Rev-22 January 2017 87 Exception system Accounting for personnel is accomplished by requiring all persons in the facility to report to a designated muster point immediately upon leaving the building. At the muster point, the names of personnel present are recorded, and designated facility personnel determine which persons are presumed to be missing based on occupant lists for the building or other information regarding the location of personnel. 8.3 Reentry Where structural damage is apparent, reentry activities may fall into two general categories. The first type generally involves activities necessary to account for personnel and/or rescue activities and can only be carried out by Fire Department personnel. The second involves reentry into the affected area for the purpose of assessing the situation and planning recovery operations. This function also belongs to the Fire Department, assisted by CF&ID, ES&H Teams, and facility/building/program subject matter experts. This section addresses the determination of appropriate actions for the rescue and recovery of persons and the protection of health and property during emergency response. Reentry activities related to recovery planning and event termination are described in Section 11 of this plan and in Emergency Programs Organization plans/procedures.  CFR 835.1302 contains requirements to be met when conducting these operations in response to a radiological hazard. The regulation provides dose guidelines for the control of exposure during specific types of activity. Although the regulation is designed for response to radioactive releases, the basic principles apply to most chemical hazardous material responses. The regulation begins with three basic principles: “1) The risk of injury to those individuals involved in rescue and recovery operations shall be minimized; 2) Operating management shall weigh actual and potential risks to rescue and recovery individuals against the benefits to be gained; and 3) Rescue action that might involve substantial risk shall be performed by volunteers.” Reentry by First Responders to specific buildings or areas during an emergency must be approved by the on-scene IC (either the Fire Department Battalion Chief or PFD Security IC for security events), with the assessment that the facility be reentered safely. 8.4 Emergency Planning Zones The EPZ for hazardous material accidents are described and analyzed in the individual facility EPHAs. In general, an EPZ is an area within which the results of an EPHA indicate the need for specific planning to protect people from the consequences of hazardous material releases. For both sites, it was determined that a one-mile composite EPZ was appropriate based upon a summary of the EPZs for individual facilities. The primary exposure pathway for the EPZ from