I thank Deputy Byrne for tabling this question which reflects his interest in this area. On 28 September 1996, contaminated material was discharged into the sea at Dounreay, North Scotland, representing 1 per cent of the site's overall authorised discharge limits.
The source of the leak was the reprocessing plant, D1206, which was shut down via automatic safety systems. I understand that UK regulatory approval will be sought before the plant is restarted. Pending the final report of the UK regulatory authorities, the incident has been provisionally rated one on the international nuclear event scale, i.e. an anomaly beyond the authorised operating regime. I have made known my concerns about the incident to the UK authorities. In particular, their attention has been drawn to the fact that the Department was only alerted of the incident through media reports on 1 October 1996.
Apart from the Dounreay incident mentioned, my Department has been notified of four other incidents in the UK which involved an unauthorised release of radioactivity in 1996. All nuclear incidents are unacceptable to the Irish Government and I am continuously monitoring the frequency and totality of UK incidents with a view to highlighting the need for significant safety improvements. My Department is also pursuing the establishment of formal bilateral arrangements between Ireland and the UK concerning the transmission of information subsequent to incidents at nuclear installations and general matters related to nuclear safety and radiation protection.