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5B28 - Graphite/THTR Waste
The waste consists of crushed graphite spheres contaminated with uranium and thorium.

Nuclear Restoration Services Ltd (NRS) | Dounreay | ILW


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5B29 - LSA Scale
Between 1989 and 2003 pipeline tubulars and platform components originating from North Sea offshore operations have been cleaned in a dedicated facility on the Dounreay Site. The cleaning operation is required to remove the Low Specific Activity (LSA) scale which is deposited on the pipeline and associated equipment while it is in service. This waste has been disposed of at Low Active Landfill.

Nuclear Restoration Services Ltd (NRS) | Dounreay | LLW


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5B305 - Site Drains and Ducts LLW
General site services decommissioning of Low Active Drain (LAD), High Active Drain (HAD), Liquid Effluent Discharge System (LEDS).

Nuclear Restoration Services Ltd (NRS) | Dounreay | LLW


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5B306 - Site Drains and Ducts ILW
Contamination and activation from years of operations and discharges via drainage system

Nuclear Restoration Services Ltd (NRS) | Dounreay | ILW


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