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Gesellschaft für Anlagen- und Reaktorsicherheit (GRS) gGmbH
From 27 to 29 November 2023, GRS will hold its annual AC2 user meeting at its Garching location. The main objective of the meeting is to provide a communicative platform for the exchange of experience between users.
For many years there have been reports of radioactive caesium-137 (Cs-137) that is sometimes detected in large quantities in mushrooms and wild boar, especially in regions of southern Germany. Just in time for the start of the mushroom season, there have again been more reports of this in recent weeks. Where does the substance come from and why is it still detectable in larger quantities in mushrooms and wild boar, while it is decreasing overall in the ecosystem?
In the "cold shutdown" state, as in the "hot shutdown" state, the reactor is subcritical, i.e. no nuclear fission takes place.
In the "hot shutdown" state, as in the "cold shutdown" state, the reactor is subcritical, i.e. no nuclear fission takes place.
Currently, 33 nuclear power plants and 6 research reactors are being decommissioned in Germany. But how does decommissioning actually work in practice? What procedures are there? What are the challenges involved? The following dossier explores these questions.
Gesellschaft für Anlagen- und Reaktorsicherheit (GRS) gGmbH
With the help of interventional radiology, certain medical procedures can be carried out in a minimally invasive manner that would previously have required surgery. As ionising radiation is generally used for imaging, the radiation exposure of the medical personnel involved has risen steadily over the years in line with the number of such procedures. In order to improve understanding of the distribution of radiation in the room and thus reduce radiation exposure, GRS scientists have produced a training video and a calculation tool as part of a research project funded by the German Federal Ministry for the Environment.