Management of Commercially Generated Radioactive Waste - U.S. ...

4.15
TABLE 4.2.4. Selected Radionuclide Content in Example Recycle Spent Fuel
Ci/GWe-yr for Various Decay Periods
Fission Products 1.5 yr(a) 6.5 yr(b) 10 yr 50 yr 100 yr
3 H 1.6 x 104 1.2 x 10 4 9.9 x 103 1.0 x 10 3 6.1 x 101
85Kr 3.2 x 105 2.3 x 105 1.8 x 105 1.4 x 10 4 5.7 x 102
9 0 Sr 2.3 x 10 6 2.2 x 10 6 1.9 x 106 6.9 x 105 2.0 x 105
106Ru 7.2 x 106 2.2 x 105 1.4 x 104
129I 1.3 1.3 1.3 1.3 1.3
134Cs 4.6 x 106 8.4 x 105 2.2 x 105 - 1 2.9 x 10
1 3 7 Cs 3.5 x 106 3.2 x 106 2.9 x 106 1.1 x 106 1.1 x 106
144 Ce 9.1 x 10 6 1.1 x 105 3.0 x 103
Total All Fission 7 7 7
Products 5.3 x 10 1.3 x 10 1.0 x 10 3.6 x 10 6 1.1 x 10 6
Actinides
238U 1.2 x 101 1.2 x 101 1.2 x 101 1.2 x 101 1.2 x 101
2 3 8 Pu 2.1 x 105 2.1 x 105 2.0 x 105 1.5 x 105 9.9 x 104
239 Pu 1.4 x 10 4 1.4 x 104 1.4 x 10 4 1.4 x 104 1.4 x 104
240Pu 2.8 x 104 2.8 x 104 2.8 x 104 2.8 x 104 2.8 x 104
241Pu 6.8 x 106 5.3 x 10 6 4.6 x 106 6.7 x 105 6.5 x 104
2 4 1 Am 2.7 x 10 4 7.6 x 104 1.0 x 105 2.2 x 105 2.2 x 105
242Cm 3.8 x 105 1.6 x 103 1.4 x 103 1.2 x 103 9.5 x 10 2
24 4 Cm 2.7 x 105 2.2 x 105 1.9 x 105 4.2 x 10 4 6.1 x 103
Total All Actinides 7.6 x 106 5.7 x 10 6 5.1 x 106 1.1 x 106 4.6 x 105
Activation Products
14C 2.1 x 101 2.1 x 101 2.1 x 101 2.1 x 101 2.1 x 101
5 5 Fe 1.6 x 105 3.8 x 104 1.3 x 104 2.7 x 10-1 4.5 x 10 - 7
6 0 Co 1.6 x 105 8.0 x 10 4 4.0 x 104 2.6 x 103 2.8 x 10-1
6 3 Ni 1.5 x 10 4
1.5 x 104 1.5 x 104 1.3 x 104 7.7 x 103
Total All Activation
Products 3.5 x 105 1.3 x 105 7.2 x 104 1.3 x 10 7.7 x 103
(a) A minimum age of 1.5 yr is assumed here for reprocessing.
(b) A minimum age of 6.5 yr is assumed here for shipment of solidified high-level waste.