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Open to Emergency Medical Services

Advanced Radiological Incident Operations

ARIO PER-905 40 Contact Hours
Target Audience/Disciplines

Any member of an organized federal, state, local, or tribal radiological/hazardous materials response team who has responsibility for responding to or managing a radiological incident. These individuals may be members of federal, state, tribal, local, and private-sector response teams. Local or tribal participants should reside within either of two Emergency Planning Zones (EPZ). The two EPZs are described as 1) the plume exposure pathway EPZ has a radius of about 10 miles from the reactor site, or 2) the ingestion exposure pathway EPZ has a radius of about 50 miles from the reactor site. There are more than 100 commercial nuclear power reactors in the United States.

A spreadsheet of jurisdictions, broken down by FEMA Region and state, eligible to attend Radiological training courses is available here.


The Advanced Radiological Incident Operations course is a five-day course that provides participants with the advanced skills necessary to safely respond to and manage incidents involving radiological hazards. Participants apply these skills in tabletop exercises based on realistic radiological incident scenarios, set within the Incident Command System structure.

Below are some, but not all, of the critical skill sets learned during this training program.

  • Identify radiological terms, hazards, methods of protection, and the physiological effects of radiation.
  • Describe advanced radiological concepts, including radiological hazards, methods of protection, and the physiological effects of radiation.
  • Select the appropriate radiation detection instruments in response to a radiological incident.
  • Describe the potential hazards at a commercial nuclear power plant incident.
  • Develop an incident action plan for a radiological incident in accordance with the National Incident Management System.

As this course is being taught, the Radiological Emergency Response Operations (RERO) course will also be in session with both courses coming together in an Integrated Capstone Event. The ARIO course will focus on Emergency Operations Center responsibilities, coordination of the field monitoring teams, data collection, and developing recommendations for protective actions whereas the RERO course will focus on first responder hands-on equipment skills, and responsibilities as members of a field monitoring team during radiological Plume and Ingestion Pathway incidents.

Course Offerings

Prerequisites and Requirements

To be eligible for the course, the student must successfully complete the following courses:

Continuing Education Credits

The Center for Domestic Preparedness (CDP) is an Accredited Provider (AP) of Continuing Education Units (CEU) and is authorized to award the following CEUs for successful completion of this activity:

IACET (International Association of Continuing Education and Training) – 4.0 CEUs

CDPH (California Department of Public Health) Registered Environmental Health Specialist (REHS) Program – 40 CEUs