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LLNL Emergency Management Plan (EPlan) <br />Rev 27 <br />January 2022 <br /> <br /> 88 <br />8.3 Reentry <br />Where structural damage is apparent, reentry activities may fall into two general categories. The <br />first type generally involves activities necessary to account for personnel and/or rescue activities <br />and can only be carried out by Fire Department personnel. The second involves reentry into the <br />affected area for the purpose of assessing the situation and planning recovery operations. This <br />function also belongs to the Fire Department, assisted by I&OD, ES&H Teams, and <br />facility/building/program subject matter experts. <br />This section addresses the determination of appropriate actions for the rescue and recovery of <br />persons and the protection of health and property during emergency response. Reentry activities <br />related to recovery planning and event termination are described in Section 11 of this Emergency <br />Plan and in PPD plans/procedures. <br />• CFR 835.1302 contains requirements to be met when conducting these operations in <br />response to a radiological hazard. The regulation provides dose guidelines for the control <br />of exposure during specific types of activity. Although the regulation is designed for <br />response to radioactive releases, the basic principles apply to most chemical hazardous <br />material responses. The regulation begins with three basic principles: “1) The risk of <br />injury to those individuals involved in rescue and recovery operations shall be <br />minimized; 2) Operating management shall weigh actual and potential risks to rescue and <br />recovery individuals against the benefits to be gained; and 3) Rescue action that might <br />involve substantial risk shall be performed by volunteers.” <br />Reentry by First Responders to specific buildings or areas during an emergency must be <br />approved by the on-scene IC (either the Fire Department Battalion Chief or PFD Security IC for <br />security events), with the assessment that the facility be reentered safely. <br />8.4 Emergency Planning Zones <br />The EPZ for hazardous material accidents are described and analyzed in the individual facility <br />EPHAs. In general, an EPZ is an area within which the results of an EPHA indicate the need for <br />specific planning to protect people from the consequences of hazardous material releases. For <br />Site 200, it was determined that a one-mile composite EPZ was appropriate based upon a <br />summary of the EPZs for individual facilities. The EPZ for Site 300 is the site boundary itself. <br />No offsite area can be affected by emergencies at Site 300. The primary exposure pathway from <br />hazards at both sites is inhalation, although ingestion and absorption potential is also considered <br />in EPHAs. The development and identification of this composite EPZ may be found in the <br />Composite Emergency Planning Zone. Figure 8.1 depicts the EPZ developed for Site 200 and <br />shows onsite and offsite areas that could be affected by emergencies at Site 200. Protection of <br />offsite residents in the EPZ is the responsibility of the IC; however, it is the duty of the ED to <br />issue protective action recommendations to the IC, as well as to offsite authorities. Based on <br />agreements with offsite agencies, offsite evacuation and sheltering plans to be used in an <br />emergency are not pre-defined, but will be determined by the IC during the emergency. The IC <br />may evacuate residents beyond the EPZ to simplify the logistics of moving residents.