21.1 Introduction
21.2 Present Condition of 1FNPS Fuel Debris
235U/U enrichment | Mass (kgU) |
---|---|
4.9 wt% | 9.6 |
4.4 wt% | 76.8 |
3.9 wt% | 28.8 |
3.4 wt% | 19.2 |
2.1 wt% | 9.6 |
3.4 wt% (with Gd2O3) | 26.9 |
Total | 170.9 |
Unit 1 | Unit 2 | Unit 3 |
---|---|---|
5.2:64 | 3.3:116 | 4.7:148a
|
15.2:64 | 15.8:116 | 15.5:112 |
24.2:80 | 26.0:120 | 28.5:140 |
33.3:68 | 35.2:120 | 36.2:112 |
37.5:64 | 40.6:76 | 40.5:36 |
40.2:60 | (GWD/t, number of assemblies) |