Activity of selected radionuclides in spent fuel versus time since discharge of fuel from reactor Activity(per G Wyr) Half-life 1 10yr100yr1000yr104yr10°yr10°yr Nuclide(years) MCiMCi MCi kCi kCi kci C K 10.8 0.280.16 2.00.23 90 2.5 2.0 0.23 1.53M 0.040.040 26 nb 16.1 0.040.039 26 211k 0.46 0.45 0.33 17 157M 1.0 137 30.1 3.6 2.9 0.37 7 3.4 0.35 230Th 75.4k 0.010.040 233 159k 0.01533b 237 2.14M 0.040.042 238 87.7 0.110.110.05 24.1k0.0100.0100.010 5.7 240 P 6.56k0.0160.0160.016 15 5.7 241 14.3 4.42.80.037 432 0.0120.060.14 33 244 m 18.10.110.080.003 SUM 13.1 1.43 57 13.91.091506 TOTAL 7413.91.44 60 14.91.82 674
Activity of selected radionuclides in spent fuel versus time since discharge of fuel from reactor
17 Cs137 Sr 90 Pu241 TOTAL ALPHA、 0 Am241 Pu240 >5 10 Pu239 TOTA ETA ≤10 Np237 100 1000 10 10 TIME SINCE DISCHARGE (YEARS) Activity of selected radionuclides as a function of time
Activity of selected radionuclides as a function of time