Abstract

In the near surface repository highly active sources and spent sealed radiation sources (SSRS) consisting of long half-life and alpha-emitting materials have been disposed of. Based on the results of a safety assessment it is clear that the SSRS could result in high doses to individuals who intrude into the facility and high doses following any future disruption of the facility by natural processes. Intervention alternatives that are being considered cover the whole range of options from extension of the facility to terminate operation. The possible future scenarios to improve the overall safety of the site and to extend the existing disposal capacity are discussed.

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