Fukushima: Sea contamination likely to be local - scientists

So far, the biggest contaminant identified by Japanese officials has been radioactive iodine 131.

Samples of water taken close to the plant have been as high as 1,850 times the legal limit of iodine, but levels have fallen back, Japanese officials said on Tuesday.

Radioactive iodine can enter the marine food chain, especially through seaweed, which absorbs this element readil

Fukushima: Sea contamination likely to be local - scientists