RSS feed source: International Atomic Energy Association--Nuclear & Radiological Events
External contamination of a worker beyond the annual statutory limit to the skin
Print View Posted on: 05 August 2025
Event Date: 24 July 2025 Event Type: Power Reactor Event Location: France, GRAVELINES-1 INES Rating: 2
On 25 July 2025, the operator of the Gravelines nuclear power plant reported a significant radiation protection event concerning the exceeding of an annual individual dose limit by an EDF contractor.
Reactor 1 at the Gravelines nuclear power plant was in shut down for maintenance and refuelling. During the night of 23 to 24 July, as part of radiographic testing of a pipe located in the reactor building, a worker was contaminated on the head. This contamination was detected at the exit of the reactor building during a radiological check.
The worker was taken care of by the changing room attendant in order to remove the radioactive particles, and then by the site’s medical service.
The occupational physician carried out a conservative assessment of the dose received, taking into account the worker’s activities within the reactor building. This assessment showed that the dose received by the worker’s neck exceeded the regulatory limit for equivalent skin dose (500
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