「福島第一原子力発電所事故に伴う放射性物質の第二次分布状況等に関する調査研究」の報告書の概略版について

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1. 1 25 3 1 1. 1 1.1 23 6 11 () 100km m 1 131 2. 2 1.2 (1) a) 2 23 12 5 23 12 28 KURAMA b) 3 24 3 13 24 3 30 KURAMA- (2) in-situ 23 12 13 24 5 29 (3) 238239+240241 238239+240 1 23 6 6 23 7 8 241 238239+240 (4) 8990 23 12 17 24 2 9 80km 80km 1 1.3 1 1 1 2 KURAMA * KURAMA- 0.2Sv/h 2 1 10 3 1 9 1 m 100 m 0.2 Sv/h 3. 3 in-situ 0.2Sv/h 1 10 1,016 5 km 1 0.2 Sv/h 10 km 1 24 in-situ U-8 238 239+240241 238239+240 241 100 km 238 239+240 1 238239+240 62 241 1 238 239+240 62 62 89 90 80km 8990 1 137 8990 8990 80km 0.2Sv/h 1 9 50 ) 1 137 89 90 10 0.2 Sv/h 5 km 50 * KURAMA 2 GPS PC KURAMA 3 KURAMA- KURAMA-KURAMA- KURAMA KURAMA- 4. 4 1.4 a) 2 3 1 9 198 in-situ ()()() (IRSN) 238239+240241 8990 1.5 (1) 1 0.2Sv/h 23 12 2 24 3 3 3 2 KURAMA 2 40,000 km 3 70,000 km m 100 m 11m 5. 5 2 KURAMA m 50 500 m KURAMA m 1m/KURAMA 1.2 KURAMA 1 23 12 KURAMA 2 24 3 KURAMA- 3 24 3 KURAMA KURAMA KURAMA 100 KURAMA KURAMA 1 25 nGy/h 134 137 in-situ 1 CsI(Tl) 6. 6 1: 2: 2 3 2 3 3 3: 2 4: 2 1m 1 2 3 24 3 7. 7 (2) 1) 1 131 in-situ in-situ 1 in-situ 1 3 m 5 1 1,016 134( 2 ) 137( 3 ) 110m( 4 ) 3 110m 1 131 129m 1 131 129m 60 154 1 131 129m 110m 5 137110m 137 110m 137 8. 8 2 134 24 3 1 9. 9 3 137 24 3 1 10. 10 4 110m 24 3 1 11. 11 5 110m 137 24 3 1 12. 12 2) 238239+240241 238239+240 23 6 1 80 100 238239+240 6 23 12 6 1 80100km 1 238239+240 238239+240 (62 ) 10 45km 238239+240 10 9 238239+240 11 1121 238 239+240 1 238 11 1.4 11 11 21 238 8.0Bq/m2 239+240 220 Bq/m2 1 100km 238239+240 238239+240 239+240 238 0.0302.5 1121239+240 238 0.0310.0120.120 238 239+240 239+240 238 Pu-238/Pu-239+240 Pu-238/Pu-239+240 1121 238239+240 Pu-238/Pu-239+240 1 Pu-238/Pu-239+240 13. 13 Pu-238/Pu-239+240 Pu-238/Pu-239+240 Pu-238/ Pu-239+240 > 0.053 2 238239+240 241 241 238 239+240 1 23 10 20 238 60 241 241 241 1 238239+240 241 238239+240241 241 241 238239+240 1 238239+240 241 238239+240 50g 241 241 241 3 () 238239+240241 100g 238239+240 241 14. 14 7 238239+240 23 6 14 8 1121 238/ 239+240 Pu-238/Pu-239+240 0.053 15. 15 2 241 238 239+240 241 (Bq/m2 ) 241 238 241 239+240 () 1 238 (Bq/m2 ) 2) 1 239+240 (Bq/m2 ) 130.0 1.8% 1.4% 2.3 1.8 150.0 2.7% 1.2% 4.0 1.8 44.0 1.3% * 0.57 * *: 239+240 ND 3) 8990 8990 1 8990 80 137 8990 8990 8990 1 137 8990 1 8990 1 1 8990 8990 1 80km 89 89 50.53 1 13 10 89 90 1 1 90 50 1 25 1 16. 16 8990 1 3 1 8990 89 89 90 1121