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Exposure to Japanese radiation seen as negligible

This content was published on Mar 28, 2011 An aircraft with radiation sensors last week performed checks at an altitude of 6,000 metres, picking up just a few traces of iodine 131 – a major radioactive hazard present in nuclear fission products. But that’s minimal when compared with the radioactivity people are exposed to on a daily basis, says François Byrde, an expert…