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Nearly a quarter of a century after the nuclear reactor at Chernobyl in the Ukraine exploded and spewed radioactivity across the world, it has finally stopped making Scottish sheep too "hot" to eat. In Northern Ireland restrictions ended in 2000. In Wales however, the restrictions are far from over.
For the first time since the 1986 Chernobyl accident, levels of radioactive contamination in sheep on all Scottish farms, 2300 kilometers to the west, dropped below safety limits, enabling the Food Standards Agency (FSA) to lift restrictions. Controls on the movement and sale of sheep have been in force since after the explosion in 1986. Peat and grass in upland areas of Scotland were polluted with radioactive caesium-137 released by the reactor, blown across Europe and brought to ground by rain. This grass was eaten and recycled by sheep, and has persisted in the environment far longer than originally anticipated.