The purpose of this appliance is to provide specialist personal decontamination equipment for both the public and crews to an operational incident involving CBRN (chemical, biological, radiological or nuclear) materials.

Equipment carried includes:

Public decontamination showers,
Emergency services decontamination facilities
Gas tight suits
Radiation monitoring devices
Hazardous materials detection equipment
Disrobe and re-robe clothing
Off road fork lift

There is one IRU in Norfolk Fire Service based in Hethersett and is backed up by specialist trained crews from both whole time and retained stations.