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Following leakage of saline solutions, BfS lowers water level in interim reservoir

Year of issue 2009
Date 2009.01.22

During the preparation of the new management of the influent saline solutions in the Asse II mine, water leaked from an interim reservoir on the 658-m level. The saline solutions which had no contact to radioactive waste were collected beside the reservoir (so far ca. 2.5 cubic metres). This was caused by leakages at the top of the interim reservoir which has been lined with foil. As a consequence, BfS initiated a lowering of the water level in the interim reservoir by some centimetres following an inspection of the location together with Asse GmbH and Landesamt für Bergbau, Energie und Geologie (LBEG). For this purpose, 10 cubic metres of influent saline solution are pumped into a close-by steel tank. The procedure has been coordinated with LBEG. It does not require a special licence.

After having introduced the new management, the saline solutions flowing into Asse can again be taken to other mines for further use. Interim storage on the 658-m level will then no longer be necessary, either.

State of 2009.01.22

Transfer of operator responsibilities

On 25 April 2017, the operator responsibilities for the Asse II mine as well as the Konrad and Morsleben repositories were transferred to the Federal Company for Radioactive Waste Disposal (Bundesgesellschaft für Endlagerung mbH, BGE). Previously, the responsibility for the projects was with the Federal Office for Radiation Protection (BfS). The foundations for the change of operatorship are laid down in the "Act on the Realignment of the Organisational Structures in the Field of Radioactive Waste Disposal", which became effective on 30 July 2016. The BfS focusses on the federal tasks of radiation protection, for example in the field of defence against nuclear hazards, medical research, mobile communication, UV protection or the measuring networks for environmental radioactivity.

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