Section 326.APPENDIX A Quantities of Material for Major
Possessor Determination
Radionuclide
|
Abbrev.
|
UNSEALED
FORMS
|
SEALED
SOURCES
|
|
MBq
|
mCi
|
GBq
|
Ci
|
Actinium-227
|
Ac-227
|
0.037
|
0.001
|
370
|
10
|
|
Aluminum-26
|
Al-26
|
370
|
10
|
37000
|
1000
|
|
Americium-241
|
Am-241
|
0.037
|
0.001
|
370
|
10
|
|
Americium-242m
|
Am-242m
|
0.037
|
0.001
|
370
|
10
|
|
Americium-243
|
Am-243
|
0.037
|
0.001
|
370
|
10
|
|
Antimony-125
|
Sb-125
|
3700
|
100
|
37000
|
1000
|
|
Barium-133
|
Ba-133
|
3700
|
100
|
37000
|
1000
|
|
Berkelium-247
|
Bk-247
|
0.037
|
0.001
|
370
|
10
|
|
Berkelium-249
|
Bk-249
|
3.7
|
0.1
|
37000
|
1000
|
|
Beryllium-10
|
Be-10
|
37
|
1
|
37000
|
1000
|
|
Bismuth-207
|
Bi-207
|
370
|
10
|
37000
|
1000
|
|
Bismuth-210m
|
Bi-210m
|
3.7
|
0.1
|
37000
|
1000
|
|
Cadmium-109
|
Cd-109
|
37
|
1
|
37000
|
1000
|
|
Cadmium-113
|
Cd-113
|
3700
|
100
|
37000
|
1000
|
|
Cadmium-113m
|
Cd-113m
|
3.7
|
0.1
|
37000
|
1000
|
|
Calcium-41
|
Ca-41
|
3700
|
100
|
37000
|
1000
|
|
Californium-248
|
Cf-248
|
0.37
|
0.01
|
3700
|
100
|
|
Californium-249
|
Cf-249
|
0.037
|
0.001
|
370
|
10
|
|
Californium-250
|
Cf-250
|
0.037
|
0.001
|
370
|
10
|
|
Californium-251
|
Cf-251
|
0.037
|
0.001
|
370
|
10
|
|
Californium-252
|
Cf-252
|
0.037
|
0.001
|
370
|
10
|
|
Carbon-14
|
C-14
|
37000
|
1000
|
37000
|
1000
|
|
Cerium-144
|
Ce-144
|
37
|
1
|
37000
|
1000
|
|
Cesium-134
|
Cs-134
|
370
|
10
|
37000
|
1000
|
|
Cesium-135
|
Cs-135
|
3700
|
100
|
37000
|
1000
|
|
Cesium-137
|
Cs-137
|
370
|
10
|
37000
|
1000
|
|
Chlorine-36
|
Cl-36
|
370
|
10
|
37000
|
1000
|
|
Cobalt-60
|
Co-60
|
37
|
1
|
37000
|
1000
|
|
Curium-243
|
Cm-243
|
0.037
|
0.001
|
370
|
10
|
|
Curium-244
|
Cm-244
|
0.037
|
0.001
|
370
|
10
|
|
Curium-245
|
Cm-245
|
0.037
|
0.001
|
370
|
10
|
|
Curium-246
|
Cm-246
|
0.037
|
0.001
|
370
|
10
|
|
Curium-247
|
Cm-247
|
0.037
|
0.001
|
370
|
10
|
|
Curium-248
|
Cm-248
|
0.037
|
0.001
|
370
|
10
|
|
Einsteinium-254
|
Es-254
|
0.37
|
0.01
|
3700
|
100
|
|
Europium-150 (34.2y)
|
Eu-150
|
37
|
1
|
37000
|
1000
|
|
Europium-152
|
Eu-152
|
37
|
1
|
37000
|
1000
|
|
Europium-154
|
Eu-154
|
37
|
1
|
37000
|
1000
|
|
Europium-155
|
Eu-155
|
370
|
10
|
37000
|
1000
|
|
Gadolinium-148
|
Gd-148
|
0.037
|
0.001
|
370
|
10
|
|
Gadolinium-152
|
Gd-152
|
3700
|
100
|
37000
|
1000
|
|
Germanium-68
|
Ge-68
|
370
|
10
|
37000
|
1000
|
|
Hafnium-172
|
Hf-172
|
37
|
1
|
37000
|
1000
|
|
Hafnium-182
|
Hf-182
|
3.7
|
0.1
|
37000
|
1000
|
|
Holmium-166m
|
Ho-166m
|
37
|
1
|
37000
|
1000
|
|
Hydrogen-3
|
H-3
|
37000
|
1000
|
37000
|
1000
|
|
Indium-115
|
In-115
|
3700
|
100
|
37000
|
1000
|
|
Iodine-129
|
I-129
|
37
|
1
|
37000
|
1000
|
|
Iron-55
|
Fe-55
|
3700
|
100
|
37000
|
1000
|
|
Iron-60
|
Fe-60
|
37
|
1
|
37000
|
1000
|
|
Lanthanum-137
|
La-137
|
370
|
10
|
37000
|
1000
|
|
Lanthanum-138
|
La-138
|
3700
|
100
|
37000
|
1000
|
|
Lead-202
|
Pb-202
|
370
|
10
|
37000
|
1000
|
|
Lead-205
|
Pb-205
|
3700
|
100
|
37000
|
1000
|
|
Lead-210
|
Pb-210
|
0.37
|
0.01
|
3700
|
100
|
|
Lutetium-173
|
Lu-173
|
370
|
10
|
37000
|
1000
|
|
Lutetium-174
|
Lu-174
|
370
|
10
|
37000
|
1000
|
|
Lutetium-176
|
Lu-176
|
3700
|
100
|
37000
|
1000
|
|
Manganese-53
|
Mn-53
|
37000
|
1000
|
37000
|
1000
|
|
Manganese-54
|
Mn-54
|
3700
|
100
|
37000
|
1000
|
|
Mercury-194
|
Hg-194
|
37
|
1
|
37000
|
1000
|
|
Molybdenum-93
|
Mo-93
|
370
|
10
|
37000
|
1000
|
|
Neptunium-235
|
Np-235
|
3700
|
100
|
37000
|
1000
|
|
Neptunium-236 (1.15x105y)
|
Np-236
|
0.037
|
0.001
|
370
|
10
|
|
Neptunium-237
|
Np-237
|
0.037
|
0.001
|
370
|
10
|
|
Nickel-59
|
Ni-59
|
3700
|
100
|
37000
|
1000
|
|
Nickel-63
|
Ni-63
|
3700
|
100
|
37000
|
1000
|
|
Niobium-93m
|
Nb-93m
|
370
|
10
|
37000
|
1000
|
|
Niobium-94
|
Nb-94
|
37
|
1
|
37000
|
1000
|
|
Osmium-194
|
Os-194
|
37
|
1
|
37000
|
1000
|
|
Palladium-107
|
Pd-107
|
370
|
10
|
37000
|
1000
|
|
Platinum-193
|
Pt-193
|
37000
|
1000
|
37000
|
1000
|
|
Plutonium-236
|
Pu-236
|
0.037
|
0.001
|
370
|
10
|
|
Plutonium-238
|
Pu-238
|
0.037
|
0.001
|
370
|
10
|
|
Plutonium-239
|
Pu-239
|
0.037
|
0.001
|
370
|
10
|
|
Plutonium-240
|
Pu-240
|
0.037
|
0.001
|
370
|
10
|
|
Plutonium-241
|
Pu-241
|
0.37
|
0.01
|
3700
|
100
|
|
Plutonium-242
|
Pu-242
|
0.037
|
0.001
|
370
|
10
|
|
Plutonium-244
|
Pu-244
|
0.037
|
0.001
|
370
|
10
|
|
Potassium-40
|
K-40
|
3700
|
100
|
37000
|
1000
|
|
Promethium-144
|
Pm-144
|
370
|
10
|
37000
|
1000
|
|
Promethium-145
|
Pm-145
|
370
|
10
|
37000
|
1000
|
|
Promethium-146
|
Pm-146
|
37
|
1
|
37000
|
1000
|
|
Promethium-147
|
Pm-147
|
370
|
10
|
37000
|
1000
|
|
Protactinium-231
|
Pa-231
|
0.037
|
0.001
|
370
|
10
|
|
Radium-226
|
Ra-226
|
3.7
|
0.1
|
37000
|
1000
|
|
Radium-228
|
Ra-228
|
3.7
|
0.1
|
37000
|
1000
|
|
Rhenium-186m
|
Re-186m
|
370
|
10
|
37000
|
1000
|
|
Rhenium-187
|
Re-187
|
37000
|
1000
|
37000
|
1000
|
|
Rhodium-101
|
Rh-101
|
370
|
10
|
37000
|
1000
|
|
Rhodium-102
|
Rh-102
|
370
|
10
|
37000
|
1000
|
|
Rubidium-87
|
Rb-87
|
3700
|
100
|
37000
|
1000
|
|
Ruthenium-106
|
Ru-106
|
37
|
1
|
37000
|
1000
|
|
Samarium-145
|
Sm-145
|
37000
|
100
|
37000
|
1000
|
|
Samarium-146
|
Sm-146
|
37
|
1
|
37000
|
1000
|
|
Samarium-147
|
Sm-147
|
3700
|
100
|
37000
|
1000
|
|
Samarium-151
|
Sm-151
|
370
|
10
|
37000
|
1000
|
|
Selenium-79
|
Se-79
|
3700
|
100
|
37000
|
1000
|
|
Silicon-32
|
Si-32
|
37
|
1
|
37000
|
1000
|
|
Sodium-22
|
Na-22
|
370
|
10
|
37000
|
1000
|
|
Strontium-90
|
Sr-90
|
3.7
|
0.1
|
37000
|
1000
|
|
Tantalum-179
|
Ta-179
|
3700
|
100
|
37000
|
1000
|
|
Tantalum-180m
|
Ta-180m
|
37000
|
1000
|
37000
|
1000
|
|
Technetium-97
|
Tc-97
|
37000
|
1000
|
37000
|
1000
|
|
Technetium-98
|
Tc-98
|
370
|
10
|
37000
|
1000
|
|
Technetium-99
|
Tc-99
|
3700
|
100
|
37000
|
1000
|
|
Tellurium-123
|
Te-123
|
3700
|
100
|
37000
|
1000
|
|
Terbium-157
|
Tb-157
|
370
|
10
|
37000
|
1000
|
|
Terbium-158
|
Tb-158
|
37
|
1
|
37000
|
1000
|
|
Thallium-204
|
Tl-204
|
3700
|
100
|
37000
|
1000
|
|
Thorium-228
|
Th-228
|
0.037
|
0.001
|
370
|
10
|
|
Thorium-229
|
Th-229
|
0.037
|
0.001
|
370
|
10
|
|
Thorium-230
|
Th-230
|
0.037
|
0.001
|
370
|
10
|
|
Thorium-232
|
Th-232
|
3700
|
100
|
37000
|
1000
|
|
Thulium-171
|
Tm-171
|
370
|
10
|
37000
|
1000
|
|
Tin-119m
|
Sn-119m
|
3700
|
100
|
37000
|
1000
|
|
Tin-121m
|
Sn-121
|
37000
|
1000
|
37000
|
1000
|
|
Tin-126
|
Sn-126
|
370
|
10
|
37000
|
1000
|
|
Titanium-44
|
Ti-44
|
37
|
1
|
37000
|
1000
|
|
Uranium-232
|
U-232
|
0.037
|
0.001
|
370
|
10
|
|
Uranium-233
|
U-233
|
0.037
|
0.001
|
370
|
10
|
|
Uranium-234
|
U-234
|
0.037
|
0.001
|
370
|
10
|
|
Uranium-235
|
U-235
|
0.037
|
0.001
|
370
|
10
|
|
Uranium-236
|
U-236
|
0.037
|
0.001
|
370
|
10
|
|
Uranium-238
|
U-238
|
3700
|
100
|
37000
|
1000
|
|
Vanadium-49
|
V-49
|
37000
|
1000
|
37000
|
1000
|
|
Zirconium-93
|
Zr-93
|
37
|
1
|
37000
|
1000
|
|
Thorium-natural
|
|
3700
|
100
|
37000
|
1000
|
|
Uranium-natural
|
|
3700
|
100
|
37000
|
1000
|
|
|
|
|
|
|
|
|
|
When a combination of nuclides
is involved, the limit for the combination shall be derived as follows: For
each nuclide, the licensee shall determine the ratio between the quantity
authorized on the license and the quantity established in this Appendix A for
the form of the material (sealed source or unsealed material). If the sum of
the ratios for all nuclides is greater than one, then the licensee shall post
financial assurance arrangements.
AGENCY NOTE: Possession of
special nuclear material (Plutonium, Uranium-233 and Uranium-235) is limited to
quantities not sufficient to form a critical mass as defined in 32 Ill. Adm.
Code 310.20.
(Source: Amended at 29 Ill.
Reg. 20781, effective December 16, 2005)