On the declaration of an emergency, the Nil would send one or more inspectors to the affected site and to the operational support centre to assess the situa­tion and the actions taken to restore control.

The Nil would set up its own emergency centre at its headquarters. From information provided by the CEGB and the inspectors on the site and at the OSC, the Nil would make independent assessments on the likely cause of the accident and its conse­quences. Advice based on these assessments would be given to the Health and Safety Executive, government departments and the CEGB, as appropriate.