It's being claimed levels of radioactive contamination in the Irish Sea pose no danger to human health.
Senior Government Scientist Dr Paul McKenna has been responding to concerns over the latest official data from radioactivity monitoring.
The Celtic League has highlighted that levels of Technetium 99 in Manx lobsters are higher than those found in seaweed in Ireland.
But Dr McKenna says although the statistice have been eratic in recent years the overall level of contamination is on a downward trend:
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