Gilson and Voss - Voss Associates
Gilson and Voss - Voss Associates
Gilson and Voss - Voss Associates
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Isotopic Mix of 20% Enriched U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 79.68 - - - - - - 20.0 - - - 0.32<br />
% Activity 1.25 1.25 1.25 2.00 2.00 92.25<br />
Curies for a 1 kilo-gram mixture of 20% enriched uranium<br />
2.7E-4 2.7E-4 2.7E-4 4.3E-4 4.3E-4 2.0E-2<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.1E-7 9.6E-6 1.4E-5 3.2E-4 2.1E-5 6.0E-6<br />
Total gamma exposure rate 3.7E-4 Rem/hr at 30 cm<br />
Isotopic Mix of Depleted U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 99.75 - - - - - - 0.25 - - - 0.0005<br />
% Activity 32.01 32.01 32.01 0.53 0.53 2.90<br />
Curies for a 1 kilo-gram mixture of depleted uranium<br />
3.4E-4 3.4E-4 3.4E-4 5.4E-6 5.4E-6 3.1E-5<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.4E-7 1.2E-5 1.7E-5 4.1E-6 2.6E-7 9.3E-9<br />
Total gamma exposure rate 3.3E-5 Rem/hr at 30 cm<br />
Isotopic Mix of HEU<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 6.7 - - - - - - 93.2 - - - 0.01<br />
% Activity 0.5 0.5 0.5 42.6 42.6 13.3<br />
Curies for a 1 kilo-gram mixture of HEU<br />
2.3E-5 2.3E-5 2.3E-5 2.0E-3 2.0E-3 6.2E-4<br />
gamma exposure rates in rem/hr at 30 cm<br />
9.2E-9 8.2E-7 1.2E-6 1.5E-3 9.6E-5 1.9E-7<br />
Total gamma exposure rate 1.6E-3 Rem/hr at 30 cm<br />
Isotopic Mix of 20% Enriched U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 79.68 - - - - - - 20.0 - - - 0.32<br />
% Activity 1.25 1.25 1.25 2.00 2.00 92.25<br />
Curies for a 1 kilo-gram mixture of 20% enriched uranium<br />
2.7E-4 2.7E-4 2.7E-4 4.3E-4 4.3E-4 2.0E-2<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.1E-7 9.6E-6 1.4E-5 3.2E-4 2.1E-5 6.0E-6<br />
Total gamma exposure rate 3.7E-4 Rem/hr at 30 cm<br />
Isotopic Mix of Depleted U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 99.75 - - - - - - 0.25 - - - 0.0005<br />
% Activity 32.01 32.01 32.01 0.53 0.53 2.90<br />
Curies for a 1 kilo-gram mixture of depleted uranium<br />
3.4E-4 3.4E-4 3.4E-4 5.4E-6 5.4E-6 3.1E-5<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.4E-7 1.2E-5 1.7E-5 4.1E-6 2.6E-7 9.3E-9<br />
Total gamma exposure rate 3.3E-5 Rem/hr at 30 cm<br />
Isotopic Mix of HEU<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 6.7 - - - - - - 93.2 - - - 0.01<br />
% Activity 0.5 0.5 0.5 42.6 42.6 13.3<br />
Curies for a 1 kilo-gram mixture of HEU<br />
2.3E-5 2.3E-5 2.3E-5 2.0E-3 2.0E-3 6.2E-4<br />
gamma exposure rates in rem/hr at 30 cm<br />
9.2E-9 8.2E-7 1.2E-6 1.5E-3 9.6E-5 1.9E-7<br />
Total gamma exposure rate 1.6E-3 Rem/hr at 30 cm<br />
Page 138<br />
Page 138<br />
Isotopic Mix of 20% Enriched U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 79.68 - - - - - - 20.0 - - - 0.32<br />
% Activity 1.25 1.25 1.25 2.00 2.00 92.25<br />
Curies for a 1 kilo-gram mixture of 20% enriched uranium<br />
2.7E-4 2.7E-4 2.7E-4 4.3E-4 4.3E-4 2.0E-2<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.1E-7 9.6E-6 1.4E-5 3.2E-4 2.1E-5 6.0E-6<br />
Total gamma exposure rate 3.7E-4 Rem/hr at 30 cm<br />
Isotopic Mix of Depleted U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 99.75 - - - - - - 0.25 - - - 0.0005<br />
% Activity 32.01 32.01 32.01 0.53 0.53 2.90<br />
Curies for a 1 kilo-gram mixture of depleted uranium<br />
3.4E-4 3.4E-4 3.4E-4 5.4E-6 5.4E-6 3.1E-5<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.4E-7 1.2E-5 1.7E-5 4.1E-6 2.6E-7 9.3E-9<br />
Total gamma exposure rate 3.3E-5 Rem/hr at 30 cm<br />
Isotopic Mix of HEU<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 6.7 - - - - - - 93.2 - - - 0.01<br />
% Activity 0.5 0.5 0.5 42.6 42.6 13.3<br />
Curies for a 1 kilo-gram mixture of HEU<br />
2.3E-5 2.3E-5 2.3E-5 2.0E-3 2.0E-3 6.2E-4<br />
gamma exposure rates in rem/hr at 30 cm<br />
9.2E-9 8.2E-7 1.2E-6 1.5E-3 9.6E-5 1.9E-7<br />
Total gamma exposure rate 1.6E-3 Rem/hr at 30 cm<br />
Isotopic Mix of 20% Enriched U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 79.68 - - - - - - 20.0 - - - 0.32<br />
% Activity 1.25 1.25 1.25 2.00 2.00 92.25<br />
Curies for a 1 kilo-gram mixture of 20% enriched uranium<br />
2.7E-4 2.7E-4 2.7E-4 4.3E-4 4.3E-4 2.0E-2<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.1E-7 9.6E-6 1.4E-5 3.2E-4 2.1E-5 6.0E-6<br />
Total gamma exposure rate 3.7E-4 Rem/hr at 30 cm<br />
Isotopic Mix of Depleted U<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 99.75 - - - - - - 0.25 - - - 0.0005<br />
% Activity 32.01 32.01 32.01 0.53 0.53 2.90<br />
Curies for a 1 kilo-gram mixture of depleted uranium<br />
3.4E-4 3.4E-4 3.4E-4 5.4E-6 5.4E-6 3.1E-5<br />
gamma exposure rates in rem/hr at 30 cm<br />
1.4E-7 1.2E-5 1.7E-5 4.1E-6 2.6E-7 9.3E-9<br />
Total gamma exposure rate 3.3E-5 Rem/hr at 30 cm<br />
Isotopic Mix of HEU<br />
238<br />
U<br />
234<br />
Th<br />
234m<br />
Pa<br />
235<br />
U<br />
231<br />
Th<br />
234<br />
U<br />
% Weight 6.7 - - - - - - 93.2 - - - 0.01<br />
% Activity 0.5 0.5 0.5 42.6 42.6 13.3<br />
Curies for a 1 kilo-gram mixture of HEU<br />
2.3E-5 2.3E-5 2.3E-5 2.0E-3 2.0E-3 6.2E-4<br />
gamma exposure rates in rem/hr at 30 cm<br />
9.2E-9 8.2E-7 1.2E-6 1.5E-3 9.6E-5 1.9E-7<br />
Total gamma exposure rate 1.6E-3 Rem/hr at 30 cm<br />
Page 138<br />
Page 138