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Ken Robert Chaplin's avatar

It is wrong to say that the anti-LNTer has to prove a threshold. The Null Hypothesis is "No Effect" at say 100 mGy. The pro-LNTer has to prove an effect at 50 mGy or 20 mGy. NCRP Commentary 27 basically says that of course we can't prove an effect at 50 mGy, it is too small. That is of course the point that it is too small to measure.

NCRP-27 says that Grant (Hiro/Nag survivor study) has strong support for LNT. But Grant admits their data is consistent with a threshold for males up to 750 mGy, for females up to 80 mGy, and no effect for the sex averaged linear model up to 80 mGy. I don't have to prove there is a threshold, Grant proved "no effect" to at least 80 mGy for me.

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World of Abundance's avatar

I wonder how LNT relates to Radon. Is all that testing necessary? Are the guidelines too stringent?

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