An emergency exercise will take place during normal business hours at Sellafield on Wednesday.
The exercise, on November 8, may involve the sounding of the site siren which can be heard off site, Sellafield Ltd said.
Access to and from the site will be as normal until about 8.30am on the morning of the exercise.
People who live close to Sellafield and have signed up to receive automated SMS text, email, and telephone warnings from Sellafield, may be contacted.
Those who live locally have not yet signed up to receive automated alerts, but would like to, follow the instructions here: https://sellafield.alertcascade.net/public-registration/2/sellafield/register
Emergency exercises are held regularly at all nuclear licensed sites to test their readiness in the event of an emergency.
