What constitutes a 2nd alarm MCI response?

The identification of a 2nd alarm MCI (Mass Casualty Incident) response focuses on the scale and complexity of the incident, necessitating additional resources to effectively manage the situation. A response consisting of 4 engines, 2 trucks, 1 Battalion Chief (BC), a Command Officer (C103), and a Public Information Officer (PIO) reflects a coordinated and comprehensive approach to emergency management.

This configuration indicates a strong initial firefighting and rescue presence, which is vital during an MCI, where both medical assistance and fire control could be needed. The inclusion of a Battalion Chief denotes an escalation in leadership presence, ensuring command and control are appropriately established for effective incident response. Furthermore, the presence of a Public Information Officer signifies the need for communication with the public and media, which is critical in maintaining situational awareness and managing public relations during such incidents.

In contrast, the other options may not provide adequate resources or leadership configuration suited for a 2nd alarm MCI response, potentially leaving critical gaps in operational capability. This reinforces why the selected response option is the most appropriate for this type of incident.