SCHEDULEAmendment of Schedule 23
Amendment of Part 3 (tables of radionuclides and summation rules)9
In paragraph 2(1), for Table 2 substitute—
Radionuclide
Concentration in becquerels per gram (Bq/g)
H-3
102
Be-7
10
C-14
10
F-18
10
Na-22
0.1
Na-24
1
Si-31
103
P-32
103
P-33
103
S-35
102
Cl-36
1
Cl-38
10
K-42
102
K-43
10
Ca-45
102
Ca-47
10
Sc-46
0.1
Sc-47
102
Sc-48
1
V-48
1
Cr-51
102
Mn-51
10
Mn-52
1
Mn-52m
10
Mn-53
102
Mn-54
0.1
Mn-56
10
Fe-52+
10
Fe-55
103
Fe-59
1
Co-55
10
Co-56
0.1
Co-57
1
Co-58
1
Co-58m
104
Co-60
0.1
Co-60m
103
Co-61
102
Co-62m
10
Ni-59
102
Ni-63
102
Ni-65
10
Cu-64
102
Zn-65
0.1
Zn-69
103
Zn-69m+
10
Ga-72
10
Ge-71
104
As-73
103
As-74
10
As-76
10
As-77
103
Se-75
1
Br-82
1
Rb-86
102
Sr-85
1
Sr-85m
102
Sr-87m
102
Sr-89
103
Sr-90+
1
Sr-91+
10
Sr-92
10
Y-90
103
Y-91
102
Y-91m
102
Y-92
102
Y-93
102
Zr-93
10
Zr-95+
1
Zr-97+
10
Nb-93m
10
Nb-94
0.1
Nb-95
1
Nb-97+
10
Nb-98
10
Mo-90
10
Mo-93
10
Mo-99+
10
Mo-101+
10
Tc-96
1
Tc-96m
103
Tc-97
10
Tc-97m
102
Tc-99
1
Tc-99m
102
Ru-97
10
Ru-103+
1
Ru-105+
10
Ru-106+
0.1
Rh-103m
104
Rh-105
102
Pd-103+
103
Pd-109+
102
Ag-105
1
Ag-108m+
0.1
Ag-110m+
0.1
Ag-111
102
Cd-109+
1
Cd-115+
10
Cd-115m+
102
In-111
10
In-113m
102
In-114m+
10
In-115m
102
Sn-113+
1
Sn-125
10
Sb-122
10
Sb-124
1
Sb-125+
0.1
Te-123m
1
Te-125m
103
Te-127
103
Te-127m+
10
Te-129
102
Te-129m+
10
Te-131
102
Te-131m+
10
Te-132+
1
Te-133+
1
Te-133m+
1
Te-134
10
I-123
102
I-125
102
I-126
10
I-129
0.01
I-130
10
I-131+
1
I-132
10
I-133
10
I-134
10
I-135
10
Cs-129
10
Cs-131
103
Cs-132
10
Cs-134
0.1
Cs-134m
103
Cs-135
102
Cs-136
1
Cs-137+
1
Cs-138
10
Ba-131
10
Ba-140
1
La-140
1
Ce-139
1
Ce-141
102
Ce-143
10
Ce-144+
10
Pr-142
102
Pr-143
103
Nd-147
102
Nd-149
102
Pm-147
103
Pm-149
103
Sm-151
103
Sm-153
102
Eu-152
0.1
Eu-152m
102
Eu-154
0.1
Eu-155
1
Gd-153
10
Gd-159
102
Tb-160
1
Dy-165
103
Dy-166
102
Ho-166
102
Er-169
103
Er-171
102
Tm-170
102
Tm-171
103
Yb-175
102
Lu-177
102
Hf-181
1
Ta-182
0.1
W-181
10
W-185
103
W-187
10
Re-186
103
Re-188
102
Os-185
1
Os-191
102
Os-191m
103
Os-193
102
Ir-190
1
Ir-192
1
Ir-194
102
Pt-191
10
Pt-193m
103
Pt-197
103
Pt-197m
102
Au-198
10
Au-199
102
Hg-197
102
Hg-197m
102
Hg-203
10
Tl-200
10
Tl-201
102
Tl-202
10
Tl-204
1
Pb-203
10
Pb-210+
0.01
Pb-212+
1
Bi-206
1
Bi-207
0.1
Bi-210
10
Bi-212+
1
Po-203
10
Po-205
10
Po-207
10
Po-210
0.01
At-211
103
Ra-223+
1
Ra-224+
1
Ra-225
10
Ra-226+
0.01
Ra-227
102
Ra-228+
0.01
Ac-227+
0.01
Ac-228
1
Th-226+
102
Th-227
1
Th-228+
0.1
Th-229+
0.1
Th-230
0.1
Th-231
102
Th-232
0.01
Th-232+
0.01
Th-232sec
0.01
Th-234+
10
Pa-230
10
Pa-231
0.01
Pa-233
10
U-230+
1
U-231
102
U-232+
0.1
U-233
1
U-234
1
U-235+
1
U-235sec
0.01
U-236
10
U-237
102
U-238+
1
U-238sec
0.01
U-239
102
U-240+
102
Np-237+
1
Np-239
102
Np-240
10
Pu-234
102
Pu-235
102
Pu-236
1
Pu-237
102
Pu-238
0.1
Pu-239
0.1
Pu-240
0.1
Pu-241
10
Pu-242
0.1
Pu-243
103
Pu-244+
0.1
Am-241
0.1
Am-242
103
Am-242m+
0.1
Am-243+
0.1
Cm-242
10
Cm-243
1
Cm-244
1
Cm-245
0.1
Cm-246
0.1
Cm-247+
0.1
Cm-248
0.1
Bk-249
102
Cf-246
103
Cf-248
1
Cf-249
0.1
Cf-250
1
Cf-251
0.1
Cf-252
1
Cf-253
102
Cf-253+
1
Cf-254
1
Es-253
102
Es-254+
0.1
Es-254m+
10
Fm-254
10 4
Fm-255
102
0.01
Any other solid or relevant liquid radionuclide that is not of natural terrestrial or cosmic origin
or that concentration which gives rise to a dose to a member of the public of 10 microsieverts per year calculated by reference to the International Atomic Energy Agency publication “Application of the Concepts of Exclusion, Exemption and Clearance”, IAEA Safety Standards Series No. RS-G-1.74.