Water Laboratory Alliance - Response Plan:
Introductory Lesson
page 7 of 11

### Coordination

The Incident Command System (ICS) is a flexible and scalable system that provides a common structure and terminology that facilitates coordination during an emergency response.

For smaller scale incidents and during the initial phases of large incidents, management functions may be handled by one person, the incident commander (IC). In this case, the IC will serve as the ASR (see blue).

As an incident escalates, the ICS structure may expand and the responsibilities of the ASR and PRL may be transitioned into the Environmental Unit (EU) (see yellow).

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