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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
231pa
2
0.002
233pa
100
100
201pb
Lead (82)
20
20
210pb
100
0.2
212pb
6
5
103pd
Palladium (46)
1000
700
109pd
100
20
147pm
Promethium (61)
1000
25
149pm
100
20
210po
Polonium (84)
200
0.2
142pr
Praseodymium (59)
10
10
143pr
300
20
191pt
Platinum (78)
100
100
193mpt
200
200
197mpt
300
20
197pt
300
20
Plutonium (94)1
238pu
3
0.003
239pu
2
0.002
240pu
2
0.002
241pu
1000
0.1
242pu
3
0.003
223Ra
Radium (88)
50
0.2
224Ra
6
0.5
226Ra
10
0.05
228Ra
10
0.05
81Rb
Rubidium (37)
30
25
86Rb
30
30
87Rb
Unlimited
Unlimited
Rb (natural)
Unlimited
Unlimited
186Re
Rhenium (75)
100
20
187Re
Unlimited
Unlimited
188Re
10
10
Re (natural)
Unlimited
Unlimited
103mRh
Rhodium (45)
1000
1000
105Rh
200
25
222Rn
Radon (86)
10
2
97Ru
Ruthenium (44)
80
80
103Ru
30
25
105Ru
20
20
106Ru
10
7
35S
Sulphur (16)
1000
60
122Sb
Antimony (51)
30
30
124Sp
5
5
125Sb
40
25
46Sc
Scandium (21)
8
8
47Sc
200
20
48Sc
5
5
75Se
Selenium (34)
40
40
See footnotes at end of table.
2-8
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