Abstract:
:To improve a radiological protection system, the lower bound of optimisation was discussed using a newly proposed background-cancer-risk-based approach. This approach provides a new finding that the standard deviation of the background cancer risk in Japan is 7.4 × 10(-5) y(-1). If this risk level corresponding to 1σ can be regarded as a non-concern level, it would be possible that the lower bound of optimisation of radiological protection could be set at 1 mSv y(-1), since the assumed risk of 1 mSv y(-1) is equivalent to ~5 × 10(-5) y(-1) obtained using the overall fatal risk coefficient of 5 % Sv(-1), which is lower than the non-concern level.
journal_name
Radiat Prot Dosimetryjournal_title
Radiation protection dosimetryauthors
Hattori Tdoi
10.1093/rpd/ncr150subject
Has Abstractpub_date
2011-07-01 00:00:00pages
206-8issue
1-3eissn
0144-8420issn
1742-3406pii
ncr150journal_volume
146pub_type
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