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A swathe of Japan's tea making regions including parts of Tochigi, Chiba and Kanagawa prefecture as well as the whole of Ibaraki were included within the ban, according to the Ministry of Health, Labour and Welfare. ...
The authorities discovered around 570 becquerels of caesium per kilogram in leaves grown in the city of Minamiashigara – compared to the legal limit of 500 – and started a recall of tea products.