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Page Title:
Table 6.12. Isotopic Composition of Plutonium Sources at 5 Years After Chemical Separation |
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| 0201im.jpg) DOE-STD-1128-98
Guide of Good Practices for Occupational Radiological Protection in Plutonium Facilities
Figure 6.6.
Reduction in Photon Dose Rate with Various Shielding Materials at a Distance of 3 cm
from a 100-gram Disk of Plutonium Oxide
Table 6.12.
Isotopic Composition of Plutonium Sources at 5 Years After Chemical Separation of the
Plutonium
Weight-Percent of Isotope
Isotope
Low-exposure Pu
High-exposure Pu
238
Pu
0.001
1.85
239
Pu
93.5
63.3
240
Pu
5.99
19.2
241
Pu
0.397
9.27
242
Pu
0.001
3.88
241
Am
0.103
2.40
6-37
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