Radiation Protection Dosimetry Advance Access originally published online on April 22, 2009
Radiation Protection Dosimetry 2009 134(1):1-2; doi:10.1093/rpd/ncp073
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Too much of a good thing?
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A recent publication of the National Council on Radiation Protection and Measurements (NCRP) provides information on the amount and sources of ionising radiation to which the US general public has been exposed, as of 2006. NCRP Report No. 160, entitled Ionizing Radiation Exposure of the Population of the United States, is an update of the similarly titled NCRP Report No. 93 issued in 1987. The present report contains two significant findings that have important implications for radiation protection dosimetry. First, there has been a 7-fold increase in