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Page Title:
Table 2-2. Table of A1 and A2 Values for Radionuclides (cont) |
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 TM 55-315
Table 2-2. Continued
Symbol of
Element and atomic
A1 (Ci) special
A2 (Ci) normal
radionuclide
number
form
form
31Si
Silicon (14)
100
20
147Sm
Samarium (62)
Unlimited
Unlimited
151Sm
1000
90
153Sm
300
20
113Sn
Tin (50)
60
60
119mSn
100
100
125Sn
10
10
85msr
Strontium (38)
80
80
85Sr
30
30
87mSr
50
50
89Sr
100
10
90Sr
10
0.4
91Sr
10
10
92Sr
10
10
T (uncompressed)
Tritium (1)
1000
1000
T (compressed)
1000
1000
T (activated luminous
paint
1000
1000
T (absorbed on solid
carrier)
1000
1000
T (tritiated water)
1000
1000
T (other forms)
20
20
182Ta
Tantalum (73)
20
20
160Tb
Terbium (65)
20
10
96mTc
Technetium (43)
1000
1000
96Tr
6
6
97mTc
1000
200
97Tc
1000
400
99mTc
100
100
99Tc
1000
25
125mTe
Tellurium (52)
1000
100
127mTe
300
20
127Te
300
20
129mTe
30
10
129Te
100
20
131mTe
10
10
132Te
7
7
227Th
Thorium (90)
200
0.2
228Th
6
0.008
230Th
3
0.003
231Th
1000
25
232Th
Unlimited
Unlimited
234Th
10
10
Th (natural)
Unlimited
Unlimited
Th (irradiated)2
20OTI
Thallium (81)
20
20
201TI
200
200
202TI
40
40
See footnotes at end of table.
2-9
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