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The Fire Department is familiar with the location and nature of the B-829 Facility as well as <br />access roads in the area. <br />I-4.4.1 Release Response for Hazardous Materials and Waste <br />Due to the robust construction of the B-829 Facility, it is not likely that an emergency involving <br />the release of hazardous waste would occur. In the event of a major disaster (fire, earthquake, <br />etc.) that disturbs the integrity of the cap or the drainage system, appropriate maintenance and <br />repairs will be performed as soon as possible. <br />This Contingency Plan will be implemented if a fire, explosion, extreme weather or earthquake <br />compromises the integrity of the cap that releases hazardous waste or hazardous waste <br />constituents which could threaten human health or the environment. <br />The detection of hazardous waste constituents in groundwater samples obtained from the B-829 <br />well network at concentrations exceeding Statistical Levels is not considered a release to the <br />environment. This Contingency Plan is not implemented for groundwater monitoring program <br />detections. <br />I-4.4.2 Fire or Explosion <br />If a fire or explosion occurs, personnel are instructed to do the following: <br />• Evacuate the area or proceed to a designated safe area and radio the Emergency Dispatcher <br />the following information. <br />- Name. <br />- Location of the incident. <br />Nature of the incident. <br />• Any additional information that might affect the response personnel (for example, severity of <br />the fire or materials at risk in the immediate area). <br />• Remain on the radio, if safe to do so, to veri <br />fy the information given to the Emergency <br />Dispatcher and receive instructions. <br />• Notify their supervisor. <br />• Isolate the emergency area. <br />• Give emergency aid to the injured, if safe to do so. <br />I-4.4.3 Earthquake <br />During a significant eart <br />hquake, employees follow the Self-help Plan safety and evacuation <br />guidelines. After the shaking stops, and if safe to do so, Facility employees: <br />• Radio the Emergency Dispatcher to report emergencies and to request emergency assistance <br />if necessary. <br />LLNL Site .300 Contingency Plan I-4-6 January 2019 <br />Appendix 14, Building 829 <br />