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Is cancer risk of radiation workers larger than expected?
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    Proper Interpretation of DDREF in IREP

    The comment by the authors about the computer code IREP used by NIOSH, namely: “IREP includes a DDREF, which lowers the probability of causation [PC] for low-dose-rate exposures,” has the potential to be misinterpreted. IREP contains two discrete DDREF distributions, one for most solid cancers and another, more restricted, distribution for thyroid and female breast cancers. The first mentioned, with values of DDREF rang...

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    None declared.