Discussion on optimisation below dose limit for public using background-cancer-risk-based approach.

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 Dosimetry

authors

Hattori T

doi

10.1093/rpd/ncr150

subject

Has Abstract

pub_date

2011-07-01 00:00:00

pages

206-8

issue

1-3

eissn

0144-8420

issn

1742-3406

pii

ncr150

journal_volume

146

pub_type

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