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The Risk Assessment Information System
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Select Nuclides of Interest
Select Nuclide
Selected Nuclides
Ac-223
Ac-224
Ac-225
Ac-226
Ac-227
Ac-228
Ag-102
Ag-103
Ag-104
Ag-104m
Ag-105
Ag-106
Ag-106m
Ag-108
Ag-108m
Ag-109m
Ag-110
Ag-110m
Ag-111
Ag-112
Ag-115
Al-26
Al-28
Am-237
Am-238
Am-239
Am-240
Am-241
Am-242
Am-242m
Am-243
Am-244
Am-244m
Am-245
Am-246
Am-246m
Ar-41
As-69
As-70
As-71
As-72
As-73
As-74
As-76
As-77
As-78
At-207
At-211
At-215
At-216
At-217
Au-193
Au-194
Au-195
Au-195m
Au-198
Au-198m
Au-199
Au-200
Au-200m
Au-201
Ba-126
Ba-128
Ba-131
Ba-131m
Ba-133
Ba-133m
Ba-135m
Ba-137m
Ba-139
Ba-140
Ba-141
Ba-142
Be-7
Bi-200
Bi-201
Bi-202
Bi-203
Bi-205
Bi-206
Bi-207
Bi-210
Bi-210m
Bi-211
Bi-212
Bi-213
Bi-214
Bk-245
Bk-246
Bk-247
Bk-249
Bk-250
Br-74
Br-74m
Br-75
Br-76
Br-77
Br-80
Br-80m
Br-82
Br-83
Br-84
C-11
Ca-45
Ca-47
Ca-49
Cd-104
Cd-107
Cd-109
Cd-113m
Cd-115
Cd-115m
Cd-117
Cd-117m
Ce-134
Ce-135
Ce-137
Ce-137m
Ce-139
Ce-141
Ce-143
Ce-144
Cf-244
Cf-246
Cf-248
Cf-249
Cf-250
Cf-251
Cf-252
Cf-253
Cf-254
Cl-36
Cl-38
Cl-39
Cm-238
Cm-240
Cm-241
Cm-242
Cm-243
Cm-244
Cm-245
Cm-246
Cm-247
Cm-248
Cm-249
Cm-250
Co-55
Co-56
Co-57
Co-58
Co-58m
Co-60
Co-60m
Co-61
Co-62m
Cr-48
Cr-49
Cr-51
Cs-125
Cs-126
Cs-127
Cs-128
Cs-129
Cs-130
Cs-131
Cs-132
Cs-134
Cs-134m
Cs-135m
Cs-136
Cs-137
Cs-138
Cu-60
Cu-61
Cu-62
Cu-64
Cu-66
Cu-67
Dy-155
Dy-157
Dy-159
Dy-165
Dy-166
Er-161
Er-165
Er-169
Er-171
Er-172
Es-250
Es-251
Es-253
Es-254
Es-254m
Eu-145
Eu-146
Eu-147
Eu-148
Eu-149
Eu-150
Eu-150m
Eu-152
Eu-152m
Eu-154
Eu-155
Eu-156
Eu-157
Eu-158
F-18
Fe-52
Fe-55
Fe-59
Fm-252
Fm-253
Fm-254
Fm-255
Fm-257
Fr-219
Fr-220
Fr-221
Fr-222
Fr-223
Ga-65
Ga-66
Ga-67
Ga-68
Ga-70
Ga-72
Ga-73
Gd-145
Gd-146
Gd-147
Gd-149
Gd-151
Gd-153
Gd-159
Ge-66
Ge-67
Ge-68
Ge-69
Ge-71
Ge-75
Ge-77
Ge-78
Hf-170
Hf-172
Hf-173
Hf-175
Hf-177m
Hf-178m
Hf-179m
Hf-180m
Hf-181
Hf-182
Hf-182m
Hf-183
Hf-184
Hg-193
Hg-193m
Hg-194
Hg-195
Hg-195m
Hg-197
Hg-197m
Hg-199m
Hg-203
Ho-155
Ho-157
Ho-159
Ho-161
Ho-162
Ho-162m
Ho-164
Ho-164m
Ho-166
Ho-166m
Ho-167
I-120
I-120m
I-121
I-122
I-123
I-124
I-125
I-126
I-128
I-129
I-130
I-131
I-132
I-132m
I-133
I-134
I-135
In-109
In-110
In-110m
In-111
In-112
In-113m
In-114
In-114m
In-115m
In-116m
In-117
In-117m
In-119
In-119m
Ir-182
Ir-184
Ir-185
Ir-186
Ir-186m
Ir-187
Ir-188
Ir-189
Ir-190
Ir-190m
Ir-190n
Ir-191m
Ir-192
Ir-192m
Ir-194
Ir-194m
Ir-195
Ir-195m
K-38
K-40
K-42
K-43
K-44
K-45
Kr-74
Kr-76
Kr-77
Kr-79
Kr-81
Kr-81m
Kr-83m
Kr-85
Kr-85m
Kr-87
Kr-88
La-131
La-132
La-134
La-135
La-137
La-138
La-140
La-141
La-142
La-143
Lu-169
Lu-170
Lu-171
Lu-172
Lu-173
Lu-174
Lu-174m
Lu-176
Lu-176m
Lu-177
Lu-177m
Lu-178
Lu-178m
Lu-179
Mg-28
Mn-51
Mn-52
Mn-52m
Mn-54
Mn-56
Mo-101
Mo-90
Mo-93
Mo-93m
Mo-99
N-13
Na-22
Na-24
Nb-88
Nb-89
Nb-89m
Nb-90
Nb-93m
Nb-94
Nb-95
Nb-95m
Nb-96
Nb-97
Nd-136
Nd-138
Nd-139
Nd-139m
Nd-141
Nd-141m
Nd-147
Nd-149
Nd-151
Ne-19
Ni-56
Ni-57
Ni-59
Ni-65
Np-232
Np-233
Np-234
Np-235
Np-236
Np-236m
Np-237
Np-238
Np-239
Np-240
Np-240m
O-15
Os-180
Os-181
Os-182
Os-185
Os-189m
Os-190m
Os-191
Os-191m
Os-193
Os-194
P-30
Pa-227
Pa-228
Pa-230
Pa-231
Pa-232
Pa-233
Pa-234
Pa-234m
Pb-195m
Pb-198
Pb-199
Pb-200
Pb-201
Pb-202
Pb-202m
Pb-203
Pb-205
Pb-210
Pb-211
Pb-212
Pb-214
Pd-100
Pd-101
Pd-103
Pd-109
Pm-141
Pm-142
Pm-143
Pm-144
Pm-145
Pm-146
Pm-147
Pm-148
Pm-148m
Pm-149
Pm-150
Pm-151
Po-203
Po-205
Po-207
Po-210
Po-211
Po-213
Po-214
Po-215
Po-216
Pr-136
Pr-137
Pr-138
Pr-138m
Pr-139
Pr-142
Pr-143
Pr-144
Pr-144m
Pr-145
Pr-147
Pt-186
Pt-188
Pt-189
Pt-191
Pt-193
Pt-193m
Pt-195m
Pt-197
Pt-197m
Pt-199
Pt-200
Pu-234
Pu-235
Pu-236
Pu-237
Pu-238
Pu-239
Pu-240
Pu-241
Pu-242
Pu-243
Pu-244
Pu-245
Pu-246
Ra-222
Ra-223
Ra-224
Ra-225
Ra-226
Ra-227
Ra-228
Rb-79
Rb-80
Rb-81
Rb-81m
Rb-82
Rb-82m
Rb-83
Rb-84
Rb-86
Rb-88
Rb-89
Re-178
Re-180
Re-181
Re-182
Re-182m
Re-184
Re-184m
Re-186
Re-186m
Re-188
Re-188m
Re-189
Rh-100
Rh-101
Rh-101m
Rh-102
Rh-102m
Rh-103m
Rh-105
Rh-106
Rh-106m
Rh-107
Rh-99
Rh-99m
Rn-218
Rn-219
Rn-220
Rn-222
Ru-103
Ru-105
Ru-94
Ru-97
Sb-115
Sb-116
Sb-116m
Sb-117
Sb-118m
Sb-119
Sb-120
Sb-120m
Sb-122
Sb-124
Sb-124m
Sb-124n
Sb-125
Sb-126
Sb-126m
Sb-127
Sb-128
Sb-128m
Sb-129
Sb-130
Sb-131
Sc-43
Sc-44
Sc-44m
Sc-46
Sc-47
Sc-48
Sc-49
Se-70
Se-73
Se-73m
Se-75
Se-77m
Se-81
Se-81m
Se-83
Si-31
Sm-141
Sm-141m
Sm-142
Sm-145
Sm-151
Sm-153
Sm-155
Sm-156
Sn-110
Sn-111
Sn-113
Sn-117m
Sn-119m
Sn-121m
Sn-123
Sn-123m
Sn-125
Sn-126
Sn-127
Sn-128
Sr-80
Sr-81
Sr-82
Sr-83
Sr-85
Sr-85m
Sr-87m
Sr-89
Sr-91
Sr-92
Ta-172
Ta-173
Ta-174
Ta-175
Ta-176
Ta-177
Ta-178
Ta-178m
Ta-179
Ta-180
Ta-182
Ta-182m
Ta-183
Ta-184
Ta-185
Ta-186
Tb-147
Tb-149
Tb-150
Tb-151
Tb-153
Tb-154
Tb-155
Tb-156
Tb-156m
Tb-156n
Tb-157
Tb-158
Tb-160
Tb-161
Tc-101
Tc-104
Tc-93
Tc-93m
Tc-94
Tc-94m
Tc-95
Tc-95m
Tc-96
Tc-96m
Tc-97
Tc-97m
Tc-98
Tc-99
Tc-99m
Te-116
Te-121
Te-121m
Te-123
Te-123m
Te-125m
Te-127
Te-127m
Te-129
Te-129m
Te-131
Te-131m
Te-132
Te-133
Te-133m
Te-134
Th-226
Th-227
Th-228
Th-229
Th-230
Th-231
Th-232
Th-234
Ti-44
Ti-45
Tl-194
Tl-194m
Tl-195
Tl-197
Tl-198
Tl-198m
Tl-199
Tl-200
Tl-201
Tl-202
Tl-204
Tl-206
Tl-207
Tl-208
Tl-209
Tm-162
Tm-166
Tm-167
Tm-170
Tm-171
Tm-172
Tm-173
Tm-175
U-230
U-231
U-232
U-233
U-234
U-235
U-236
U-237
U-238
U-239
U-240
V-47
V-48
W-177
W-178
W-179
W-181
W-185
W-187
W-188
Xe-120
Xe-121
Xe-122
Xe-123
Xe-125
Xe-127
Xe-129m
Xe-131m
Xe-133
Xe-133m
Xe-135
Xe-135m
Xe-138
Y-86
Y-86m
Y-87
Y-88
Y-90
Y-90m
Y-91
Y-91m
Y-92
Y-93
Y-94
Y-95
Yb-162
Yb-166
Yb-167
Yb-169
Yb-175
Yb-177
Yb-178
Zn-62
Zn-63
Zn-65
Zn-69
Zn-69m
Zn-71m
Zn-72
Zr-86
Zr-88
Zr-89
Zr-95
Zr-97