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In page Plutonium in the environment:

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One case exists of a German man who attempted to poison his ex-wife with plutonium stolen from WAK (Wiederaufbereitungsanlage Karlsruhe), a small scale reprocessing plant where he worked. He did not steal a large amount of plutonium, just rags used for wiping surfaces and a small amount of liquid waste. The man was sent to prison for his crime.[2] At least two other people were contaminated by the plutonium.[citation needed] Two flats in Rhineland-Palatinate were also contaminated.[3] These were later cleaned at a cost of two million euros.