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7.1 Release Response for Hazardous Materials and Waste 7. 1.1 Fire Department Response Releases from Level 1, 2 or 3 incidents must be stabilized by the Fire Department, which has established event scenarios and consequences (Run Cards) that are used for responding to hazardous material emergencies. These response guidelines describe possible scenarios, time to consequence, evacuation protection zones, and recommended actions among other information. In the event of a Level 1, 2 or 3 incident at a Site 300 Facility, Facility personnel can provide technical expertise for the material(s) involved in the incident, support for hazardous material release cleanup, and resolution of explosive waste incidents. 7.1.2 Container4ailure Response If a container being used to manage hazardous waste or material releases its contents to the environment, and if there is no immediate threat to personnel safety, Facility personnel cease waste handling operations and take immediate action to contain the release using the procedure described in Section 8. Containers of explosives that exhibit evidence of leaking or fuming are regarded as extremely hazardous. The ES&H Team is notified immediately. 7.2 Releases to the Atmosphere If an accidental release to the environment occurs, release response is implemented. If the Fire Department declares the incident a general emergency, the LLNL Atmospheric Release Advisory Capability (ARAC) System is utilized. The LLNL ARAC System is also activated for an air release greater than the Reportable Quantity established in the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), or if an LLNL Industrial Hygienist determines that a release on site has an effect off site. — ARAC is a system designed to estimate the effects and atmospheri c dispersion of hazardous and toxic waste releases within the immediate area surrounding a release or within northern California. The ARAC Central Facility is equipped to perform detailed atmospheric -dispersion calculations, allowing an accurate tracing of hazardous- and toxic -waste dispersion. This system allows the various response teams to have immediate information on hazardous- and toxic -waste concentrations resulting from an accidental release. 7.3 Fire or Explosion If a fire or explosion occurs, personnel. • Evacuate the area or proceed to a designated safe area and dial 911 or (925) 447-6880 from an on-site phone or use a radio to give the Emergency Dispatcher the following information: — Name. — Location of the incident (building, room, area) or any other information that might help the emergency response personnel quickly locate the scene. Nature of the incident (fire, electrical, chemical, etc.). LLNL Site 300 Contingency Plan 21 January 2019