The Intergovernmental Committee on Survey and Mapping have released a report covering these key tasks.
Task 1 - Conducting an audit of key agencies involved in emergency management and response to compile a nationally consistent Incident Management System (IMS) symbology resource catalogue.
Task 2 - Conducting an audit to define the major categories of symbols for all-hazards used or required by Emergency Managers and response personnel and develop documentation outlining which categories of symbols are relevant to different types of organisations and events, gaps in existing categories and priority areas for additional work.
The report is available from this page.