∗ † 2011 7 10 4 7 1 ICRP(2007) 5.7 × 10−2 Sv−1 1 13 (=4600 =11 =660 ) 10mSv 5.7 × 10−4 × 4600[ ] = 2.6[ ] ICRP 0 ˙ ˙ 1 lICRP 1 2 1 DDREF ICRP(2007) (ICRP 2007, p.178) - (idem., p.174) 1Sv - (DDREF: dose and dose-rate effectiveness factor)2 (idem., p.187) (QOL) 1Sv 5.7 × 10−2 Sv−1 10mSv 5.7 × 10−4 [10mSv] −1 ( 10mSv 10mSv ) 30 1 × 10−3 [10mSv] −1 ICRP 2 ( 2011) 2.556 × 10−3 [10mSv] −1 ICRP 5 (Gofman