Таблица 2 Нива на специфични активности, при които радиоактивен материал не подлежи и се освобождава от регулиране (за големи количества над 1000 kg)
Радионуклид
Специфична активност (Bq/g)
H-3
100
Be-7
10
C-14
1
F-18
10
Na-22
0.1
Na-24
1
Si-31
1000
P-32
1000
P-33
1000
S-35
100
Cl-36
1
Cl-38
10
K-42
100
K-43
10
Ca-45
100
Ca-47
10
Sc-46
0.1
Sc-47
100
Sc-48
1
V-48
1
Cr-51
100
Mn-51
10
Mn-52
1
Mn-52m
10
Mn-53
100
Mn-54
0.1
Mn-56
10
Fe-52 a
10
Fe-55
1000
Fe-59
1
Co-55
10
Co-56
0.1
Co-57
1
Co-58
1
Co-58m
10 000
Co-60
0.1
Co-60m
1000
Co-61
100
Co-62m
10
Ni-59
100
Ni-63
100
Ni-65
10
Cu-64
100
Zn-65
0.1
Zn-69
1000
Zn-69ma
10
Ga-72
10
Ge-71
10 000
As-73
1000
As-74
10
As-76
10
As-77
1000
Se-75
1
Br-82
1
Rb-86
100
Sr-85
1
Sr-85m
100
Sr-87m
100
Sr-89
1000
Sr-90a
1
Sr-91a
10
Sr-92
10
Y-90
1000
Y-91
100
Y-91m
100
Y-92
100
Y-93
100
Zr-93
10
Zr-95a
1
Zr-97a
10
Nb-93m
10
Nb-94
0.1
Nb-95
1
Nb-97a
10
Nb-98
10
Mo-90
10
Mo-93
10
Mo-99a
10
Mo-101a
10
Tc-96
1
Tc-96m
1000
Tc-97
10
Tc-97m
100
Tc-99
1
Tc-99m
100
Ru-97
10
Ru-103a
1
Ru-105a
10
Ru-106a
0.1
Rh-103m
10 000
Rh-105
100
Pd-103a
1000
Pd-109a
100
Ag-105
1
Ag-110ma
0.1
Ag-111
100
Cd-109a
1
Cd-115a
10
Cd-115ma
100
In-111
10
In-113m
100
In-114ma
10
In-115m
100
Sn-113a
1
Sn-125
10
Sb-122
10
Sb-124
1
Sb-125a
0.1
Te-123m
1
Te-125m
1000
Te-127
1000
Te-127ma
10
Te-129
100
Te-129ma
10
Te-131
100
Te-131ma
10
Te-132a
1
Te-133
10
Te-133m
10
Te-134
10
I-123
100
I-125
100
I-126
10
I-129
0.01
I-130
10
I-131
10
I-132
10
I-133
10
I-134
10
I-135
10
Cs-129
10
Cs-131
1000
Cs-132
10
Cs-134
0.1
Cs-134m
1000
Cs-135
100
Cs-136
1
Cs-137a
0.1
Cs-138
10
Ba-131
10
Ba-140
1
La-140
1
Ce-139
1
Ce-141
100
Ce-143
10
Ce-144
10
Pr-142
100
Pr-143
1000
Nd-147
100
Nd-149
100
Pm-147
1000
Pm-149
1000
Sm-151
1000
Sm-153
100
Eu-152
0.1
Eu-152m
100
Eu-154
0.1
Eu-155
1
Gd-153
10
Gd-159
100
Tb-160
1
Dy-165
1000
Dy-166
100
Ho-166
100
Er-169
1000
Er-171
100
Tm-170
100
Tm-171
1000
Yb-175
100
Lu-177
100
Hf-181
1
Ta-182
0.1
W-181
10
W-185
1000
W-187
10
Re-186
1000
Re-188
100
Os-185
1
Os-191
100
Os-191m
1000
Os-193
100
Ir-190
1
Ir-192
1
Ir-194
100
Pt-191
10
Pt-193m
1000
Pt-197
1000
Pt-197m
100
Au-198
10
Au-199
100
Hg-197
100
Hg-197m
100
Hg-203
10
Tl-200
10
Tl-201
100
Tl-202
10
Tl-204
1
Pb-203
10
Bi-206
1
Bi-207
0.1
Po-203
10
Po-205
10
Po-207
10
At-211
1000
Ra-225
10
Ra-227
100
Th-226
1000
Th-229
0.1
Pa-230
10
Pa-233
10
U-230b
10
U-231a
100
U-232a
0.1
U-233
1
U-236
10
U-237
100
U-239
100
U-240a
100
Np-237a
1
Np-239
100
Np-240
10
Pu-234
100
Pu-235
100
Pu-236
1
Pu-237
100
Pu-238
0.1
Pu-239
0.1
Pu-240
0.1
Pu-241
10
Pu-242
0.1
Pu-243
1000
Pu-244a
0.1
Am-241
0.1
Am-242
1000
Am-242ma
0.1
Am-243a
0.1
Cm-242
10
Cm-243
1
Cm-244
1
Cm-245
0.1
Cm-246
0.1
Cm-247a
0.1
Cm-248
0.1
Bk-249
100
Cf-246
1000
Cf-248
1
Cf-249
0.1
Cf-250
1
Cf-251
0.1
Cf-252
1
Cf-253
100
Cf-254
1
Es-253
100
Es-254a
0.1
Es-254ma
10
Fm-254
10 000
Fm-255
100
Забележка. С префикс а са означени радионуклидите с дъщерни нуклиди, които са отчетени при оценката на дозите. Дъщерните нуклиди на радионуклидите от таблица 2 са, както следва:
