An emergency exercise will be held at Dounreay on the morning of Wednesday March 16, 2016.
The Dounreay site alert will be sounded to initiate the exercise.
The exercise will also involve the use of pyrotechnics which may result in loud bangs and smoke being seen.
The public are not to take any action when the alarms sound or they hear any loud bangs off site.
For further information please contact DSRL emergency arrangements on 01847 802535.