Incident's Phases or Timelines - Illustration
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  • Over time, various ways have been developed to describe mass casualty incident phases or timelines
  • Descriptions vary by
    • Venue: country, state, city, local, etc.
    • Profession using the schema: e.g., fire and rescue, medical, legal,
    • Type of incident: e.g., biological, chemical, radiation, natural disaster
    • Purpose of the incident timeline: e.g., operations, medical late effects, hazardous waste disposal, environmental monitoring
  • "Official" descriptions/diagrams of phases timelines have changed over time
  • Below are two U.S. schemas