福島第一原発事故とその影響 - ndl.go.jp

1 ISSUE BRIEF NUMBER 718(2011. ) ( ) ( ) 23 3 11 6 I II III ISSUE BRIEF

2 1I 23 3 11 BWR Boiling Water Reactor BWR 1 ECCS Emergency Core Cooling System 5 1 32 166 23 1 2 ECCS 1 ( )

3 < > 2 < > ISSUE BRIEF 2 1 BWR < > ISSUE BRIEF 3 11 156 10 ECCS 15 16 20 ERSS Emergency Response Support System SPEEDI System for Prediction of Environmental Emergency Dose Information 36 223 40 42 EPZ Emergency Planning Zone 3 EPZ 8 10 3 11 14 46 1 3 4 6 1 6 6 1

4 4 3 12 ECCS 2 3 3 ( ) < > 4 1 < > ISSUE BRIEF 4 1 12 2 13 3 13 14 1 12 3 14 15 2 4 5 1 1 6 5 6 6 19 3 4 1 23 6 17 1 2 3 4 5

5 6 1971/3 1974/7 1976/3 1978/10 1978/4 1979/10 63 77 5 12 15% 6 4 12 INES International Nuclear Event Scale 7 1 3 3 5 1 6 40 < >.

6 INES < > ISSUE BRIEF 5 5 2 1 3 4 2 4,700 3 20 5 72 7 4 17 8 6 9 3 5 17 9 1 3 2

7 10 10 1 7 < > 8 < > 9 < > 10 < > ISSUE BRIEF 6 3 11 1 2 ECCS 1 3 3 10 12 1 10 1 20 2 4 15 20 30 4 21 20 63 22 20 20 1 20 30 1 20 6 16 11 5 17 12

8 13 11 20mSv < > 12 < > 13 5 24 ISSUE BRIEF 7 3 30 5 6 14 14 15 6 17 19 54 6 7 IAEA International Atomic Energy Agency 6 20 24 IAEA 16 28

9 14 < >; < > 15 < > 16 IAEA < > ISSUE BRIEF 8

10