REGDOC-1.6.1: Licence Application Guide: Nuclear Substances and Radiation Devices - Appendix R
Appendix R: Regulatory Quantities for Typical Radionuclides
Radionuclide | Classification | Exemption Quantity | ALI Estimate (Inhalation) | ALI Estimate (Ingestion) |
Basic Level </=5 ALI |
Intermediate Level </=50 ALI |
High Level </=500 ALI |
Wipes (Controlled Area) Bq/cm2 |
Wipes (Public Area) Bq/cm2 |
Municipal Waste MBq/kg |
Sewer MBq/yr |
Air kBq/m3 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Note: * Concentration, in Bq/m3, that results in a dose of 20 mSv if one is exposed to this concentration for 2,000 hours. | ||||||||||||
Ag-110m | A | 1 MBq | 2.7 MBq | 7.1 MBq | 13.5 MBq | 135 MBq | 1.35 GBq | 3 | 0.3 | 0.01 | 0.1 | |
Am-241 | A | 10 kBq |
740 Bq |
100 kBq | 3.7 kBq |
37 kBq |
370 kBq | 3 | 0.3 | 0.0037 | 10 | |
Ar-41* | C | 1 GBq |
45 kBq |
N/A | 225 kBq | 2.25 MBq | 22.5 MBq | 300 | 30 | N/A | N/A | 0.037 |
Au-198 | B | 1 MBq | 18 MBq | 20 MBq | 90 MBq | 900 MBq |
9 GBq |
30 | 3 | 0.1 | 100 | |
Ba-133 | B | 1 MBq | 11 MBq | 20 MBq | 55 MBq | 550 MBq |
5.5 GBq |
30 | 3 | 0.037 | 1 | |
Bi-210 | A | 1 MBq | 330 kBq | 15 MBq | 1.65 MBq | 16.5 MBq | 165 MBq | 3 | 0.3 | 0.037 | ||
Br-82 | B | 1 MBq | 23 MBq | 37 MBq | 115 MBq | 1.15 GBq | 11.5 GBq | 30 | 3 | 0.1 | 0.1 | |
C-11 | C | 1 MBq | 9.1 GBq | 830 MBq | 45.5 GBq | 455 GBq | 4.55 TBq | 300 | 30 | 0.01 | ||
C-14 | C | 10 MBq |
1 GBq |
34 MBq | 170 MBq | 1.7 GBq |
17 GBq |
300 | 30 | 3.7 | 10,000 | |
Ca-45 | C | 10 MBq | 8.7 MBq | 26 MBq | 43.5 MBq | 435 MBq | 4.35 GBq | 300 | 30 | 0.37 | 1,000 | |
Ca-47 | B | 1 MBq | 9.5 MBq | 13 MBq | 47.5 MBq | 475 MBq | 4.75 GBq | 30 | 3 | 0.01 | 100 | |
Cd-109 | C | 1 MBq | 2.1 MBq | 10 MBq | 10.5 MBq | 105 MBq | 1.05 GBq | 300 | 30 | 0.37 | 10 | |
Ce-139 | B | 1 MBq | 14 MBq | 77 MBq | 70 MBq | 700 MBq |
7 GBq |
30 | 3 | 0.1 | 1 | |
Ce-141 | C | 10 MBq | 6.5 MBq | 28 MBq | 32.5 MBq | 325 MBq | 3.25 GBq | 300 | 30 | 0.037 | 10 | |
Ce-143 | B | 1 MBq | 20 MBq | 18 MBq | 100 MBq |
1 GBq |
10 GBq |
30 | 3 | 0.1 | 1 | |
Cl-36 | C | 1 MBq | 3.9 MBq | 22 MBq | 19.5 MBq | 195 MBq | 1.95 GBq | 300 | 30 | 0.37 | 10,000 | |
Co-56 | A | 100 kBq | 4.1 MBq |
8 MBq |
20.5 MBq | 205 MBq | 2.05 GBq | 3 | 0.3 | 0.01 | ||
Co-57 | C | 1 MBq | 33 MBq | 95 MBq | 165 MBq | 1.65 GBq | 16.5 GBq | 300 | 30 | 0.37 | 1,000 | |
Co-58 | B | 1 MBq | 12 MBq | 27 MBq | 60 MBq | 600 MBq | 6 GBq | 30 | 3 | 0.37 | 100 | |
Co-60 | A | 100 kBq | 1.2 MBq | 5.9 MBq | 6 MBq | 60 MBq | 600 MBq | 3 | 0.3 | 0.01 | 0.1 | |
Cr-51 | C | 10 MBq | 560 MBq | 530 MBq | 2.65 GBq | 26.5 GBq | 265 GBq | 300 | 30 | 3.7 | 100 | |
Cs-134 | A | 10 MBq | 2.1 MBq | 1.1 MBq | 10.5 MBq | 105 MBq | 1.05 GBq | 3 | 0.3 | 0.01 | 0.1 | |
Cs-137 | A | 10 MBq |
3 MBq |
1.5 MBq | 15 MBq | 150 MBq |
1.5 GBq |
3 | 0.3 | 0.01 | 1 | |
Cu-60 | C | 100 kBq | 320 MBq | 280 MBq | 1.6 GBq |
16 GBq |
160 GBq | 300 | 30 | 0.01 | ||
Cu-64 | C | 1 MBq | 130 MBq | 170 MBq | 650 MBq | 6.5 GBq |
65 GBq |
300 | 30 | 0.1 | 1 | |
Cu-67 | B | 1 MBq | 34 MBq | 59 MBq | 170 MBq | 1.7 GBq |
17 GBq |
30 | 3 | 0.1 | ||
F-18 | C | 1 MBq | 220 MBq | 410 MBq | 1.1 GBq |
11 GBq |
110 GBq | 300 | 30 | 0.01 | 0.1 | |
Fe-55 | C | 1 MBq | 22 MBq | 61 MBq | 110 MBq | 1.1 GBq |
11 GBq |
300 | 30 | 3.7 | 10,000 | |
Fe-59 | B | 1 MBq | 6.3 MBq | 11 MBq | 31.5 MBq | 315 MBq | 3.15 GBq | 30 | 3 | 0.01 | 1 | |
Fr-169 | C | 10 MBq | 22 MBq | 54 MBq | 110 MBq | 1.1 GBq |
11 GBq |
300 | 30 | 10 | 10,000 | |
Ga-67 | C | 1 MBq | 71 MBq | 110 MBq | 355 MBq | 3.55 GBq | 35.5 GBq | 300 | 30 | 0.037 | 100 | |
Ga-68 | C | 250 MBq | 200 MBq |
1 GBq |
10 GBq |
100 GBq | 300 | 30 | 0.01 | |||
Ge-68 | C | 100 kBq | 2.5 MBq | 15 MBq | 12.5 MBq | 125 MBq | 1.25 GBq | 300 | 30 | 0.01 | 0.1 | |
H-3 | C | 1 GBq |
1 GBq |
1 GBq |
5 GBq |
50 GBq |
500 GBq | 300 | 30 | 37 | 1,000,000 | 37 |
Hg-194 | B | 1.1 MBq | 390 kBq | 5.5 MBq | 55 MBq | 550 MBq | 30 | 3 | 0.01 | 10 | ||
Hg-197 | C | 10 MBq | 71 MBq | 87 MBq | 355 MBq | 3.55 GBq | 35.5 GBq | 300 | 30 | 0.1 | 1,000 | |
Hg-203 | B | 100 kBq | 11 MBq | 37 MBq | 55 MBq | 550 MBq |
5.5 GBq |
30 | 3 | 0.1 | 10 | |
I-123 | C | 10 MBq | 95 MBq | 95 MBq | 475 MBq | 4.75 GBq | 47.5 GBq | 300 | 30 | 3.7 | 1,000 | 3 |
I-124 | A | 17 MBq | 1.5 MBq | 85 MBq | 850 MBq |
8.5 GBq |
3 | 0.3 | 0.01 | 10 | ||
I-125 | C | 1 MBq | 1.4 MBq | 1.3 MBq | 6.5 MBq | 65 MBq | 650 MBq | 300 | 30 | 0.037 | 100 | 0.03 |
I-131 | C | 1 MBq |
1 MBq |
910 kBq | 4.55 MBq | 45.5 MBq | 455 MBq | 300 | 30 | 0.037 | 10 | 0.175 |
In-111 | C | 1 MBq | 65 MBq | 69 MBq | 325 MBq | 3.25 GBq | 32.5 GBq | 300 | 30 | 0.037 | 100 | |
In-113m | C | 1 MBq | 630 MBq | 710 MBq | 3.15 GBq | 31.5 GBq | 315 GBq | 300 | 30 | 0.1 | 1 | |
In-114 | C | 300 | 30 | |||||||||
Ir-192 | B | 10 kBq | 4.1 Mbq | 14 MBq | 20.5 MBq | 205 MBq | 2.05 GBq | 30 | 3 | 0.37 | 1 | |
K-42 | C | 1 MBq | 100 MBq | 47 MBq | 500 MBq |
5 GBq |
50 GBq |
300 | 30 | 0.1 | 1,000 | |
Kr-79* | B | 100 kBq | 250 kBq | N/A | 1.25 MBq | 12.5 MBq | 125 MBq | 30 | 3 | N/A | N/A | 0.37 |
Kr-85* | C | 10 kBq | 11 MBq | N/A | 55 MBq | 550 MBq |
5.5 GBq |
300 | 30 | N/A | N/A | 3.7 |
La-140 | B | 100 kBq | 13 MBq | 10 MBq | 65 MBq | 650 MBq |
6.5 GBq |
30 | 3 | 0.01 | 0.1 | |
Lu-177 | C | 10 MBq | 18 MBq | 38 MBq | 90 MBq | 900 MBq |
9 GBq |
300 | 30 | 1 | 10 | |
Lu-177m | A | 1.7 MBq | 12 MBq | 8.5 MBq | 85 MBq | 850 MBq | 3 | 0.3 | 0.01 | 0.1 | ||
Mn-52 | A | 100 kBq | 11 MBq | 11 MBq | 55 MBq | 550 MBq |
5.5 GBq |
3 | 0.3 | 0.01 | ||
Mn-52m | C | 100 kBq | 400 MBq | 290 MBq |
2 GBq |
20 GBq |
200 GBq | 300 | 30 | 0.01 | ||
Mn-54 | B | 1 MBq | 17 MBq | 28 MBq | 85 MBq | 850 MBq |
8.5 GBq |
30 | 3 | 0.01 | 1 | |
Mn-56 | C | 100 kBq | 100 MBq | 80 MBq | 500 MBq |
5 GBq |
50 GBq |
300 | 30 | 0.01 | 0.1 | |
Mo-99 | B | 1 MBq | 18 MBq | 17 MBq | 90 MBq | 900 MBq |
9 GBq |
30 | 3 | 0.1 | 100 | |
N-13 | C | 1 GBq |
15 GBq |
1.2 GBq | 7.5 GBq |
75 GBq |
750 GBq | 300 | 30 | 0.1 | ||
Na-22 | A | 1 MBq |
10 Mbq |
6.3 MBq | 31.5 MBq | 315 MBq | 3.15 GBq | 3 | 0.3 | 0.01 | 0.1 | |
Na-24 | C | 100 kBq | 38 MBq | 47 MBq | 190 MBq | 1.9 GBq |
19 GBq |
300 | 30 | 0.01 | 100 | |
Nb-95 | B | 1 MBq | 15 MBq | 34 MBq | 75 MBq | 750 MBq |
7.5 GBq |
30 | 3 | 0.01 | ||
Nb-98 | C | 100 kBq | 200 MBq | 180 MBq |
1 GBq |
10 GBq |
100 GBq | 300 | 30 | 0.01 | ||
Ni-63 | C | 100 MBq | 38 MBq | 130 MBq | 190 MBq | 1.9 GBq |
19 GBq |
300 | 30 | 0.1 | 1,000 | |
O-15 | C | 1 GBq |
41 GBq |
3.7 GBq | 205 GBq | 2.05 TBq | 20.5 TBq | 300 | 30 | 0.1 | ||
P-32 | C | 100 kBq | 6.9 MBq | 8.3 MBq | 34.5 MBq | 345 MBq | 3.45 GBq | 300 | 30 | 0.37 | 1 | |
P-33 | C | 100 MBq | 15 MBq | 83 MBq | 75 MBq | 750 MBq |
7.5 GBq |
300 | 30 | 1 | 10 | |
Pa-233 | B | 10 MBq | 6.3 MBq | 23 MBq | 31.5 MBq | 315 MBq | 3.15 GBq | 30 | 3 | 0.1 | ||
Pb-210 | A | 0.01 MBq |
18 kBq |
29 kBq |
90 kBq | 900 kBq |
9 MBq |
3 | 0.3 | 0.0037 | 1 | |
Pm-147 | C | 10 MBq | 5.7 MBq | 77 MBq | 28.5 MBq | 285 MBq | 2.85 GBq | 300 | 30 | 0.37 | 10,000 | |
Po-210 | B | 0.01 MBq |
9.1 kBq |
83 kBq |
45.5 kBq | 455 kBq | 4.55 GBq | 30 | 3 | 0.0037 | 10 | |
Pr-144 | C | 670 MBq | 400 MBq | 3.35 GBq | 33.5 GBq | 335 GBq | 300 | 30 | 0.1 | |||
Pu-238 | A | 0.01 MBq |
670 Bq |
87 kBq |
3.35 kBq | 33.5 kBq | 335 kBq | 3 | 0.3 | 0.001 | 1 | |
Pu-239 | A | 0.01 MBq |
630 Bq |
80 kBq |
3.15 kBq | 31.5 kBq | 315 kBq | 3 | 0.3 | 0.001 | 1 | |
Pu-240 | A | 0.001 MBq |
630 Bq |
80 kBq |
3.15 kBq | 31.5 kBq | 315 kBq | 3 | 0.3 | 0.001 | 1 | |
Pu-241 | C | 0.1 MBq |
34 kBq |
4.3 MBq | 0.170 MBq | 1.7 MBq |
17 MBq |
300 | 30 | 0.1 | ||
Ra-223 | B | 0.1 MBq |
3.5 kBq |
100 kBq | 17.5 kBq | 175 kBq | 1.75 MBq | 30 | 3 | 0.1 | 1 | |
Ra-226 | A | 10 kBq |
9.1 kBq |
71 kBq |
45.5 kBq | 0.455 MBq | 4.55 MBq | 3 | 0.3 | 0.0037 | 1 | |
Rb-86 | B | 0.1 MBq | 15 MBq | 7.1 MBq | 75 MBq | 750 MBq | 7.5 GBq | 30 | 3 | 0.1 | 10 | |
Re-186 | B | 1 MBq | 17 MBq | 13 MBq | 85 MBq | 850 MBq |
8.5 GBq |
30 | 3 | 1 | 10 | |
Re-188 | B | 0.1 MBq | 27 MBq | 14 MBq | 135 MBq | 1.35 GBq | 13.5 GBq | 30 | 3 | 0.1 | ||
Ru-103 | B | 1 MBq | 9.1 MBq | 27 MBq | 45.5 MBq | 455 MBq | 4.55 GBq | 30 | 3 | 0.037 | ||
Ru-106 | B | 0.1 MBq | 570 kBq | 2.9 MBq | 2.85 MBq | 28.5 MBq | 285 MBq | 30 | 3 | 0.037 | ||
S-35 | C | 100 MBq | 18 MBq | 26 MBq | 90 MBq | 900 MBq |
9 GBq |
300 | 30 | 0.37 | 1,000 | |
Sb-122 | B | 0.01 MBq | 17 MBq | 12 MBq | 85 MBq | 850 MBq |
8.5 GBq |
30 | 3 | 0.1 | ||
Sb-124 | A | 1 MBq | 4.3 MBq |
8 MBq |
21.5 MBq | 215 MBq | 2.15 GBq | 3 | 0.3 | 0.37 | 0.1 | |
Sc-46 | A | 1 MBq | 4.2 MBq | 13 MBq | 21 MBq | 210 MBq |
2.1 GBq |
3 | 0.3 | 0.1 | 0.1 | |
Se-75 | B | 1 MBq | 12 MBq | 7.7 MBq | 60 MBq | 600 MBq |
6 GBq |
30 | 3 | 0.1 | 1 | |
Sm-153 | B | 1 MBq | 29 MBq | 27 MBq | 145 MBq | 1.45 GBq | 14.5 GBq | 30 | 3 | 0.1 | 10 | |
Sn-113 | C | 10 MBq | 11 MBq | 27 MBq | 55 MBq | 550 MBq |
5.5 GBq |
300 | 30 | 1 | ||
Sr-85 | B | 1 MBq | 31 MBq | 36 MBq | 155 MBq | 1.55 GBq | 15.5 GBq | 30 | 3 | 0.1 | 1 | 0.175 |
Sr-89 | C | 1 MBq | 3.6 MBq | 7.7 MBq | 18 MBq | 180 MBq |
1.8 GBq |
300 | 30 | 0.37 | 1,000 | |
Sr-90 | B | 10 kBq | 260 kBq | 710 kBq | 1.3 MBq | 13 MBq | 130 MBq | 30 | 3 | 0.0037 | 1 | |
Tc-99 | C | 10 MBq | 6.3 MBq | 26 MBq | 31.5 MBq | 315 MBq | 3.15 GBq | 300 | 30 | 0.37 | 10,000 | |
Tc-99m | C | 10 MBq | 690 MBq | 910 MBq | 3.45 GBq | 34.5 GBq | 345 GBq | 300 | 30 | 3.7 | 1,000 | |
Te-127 | C | 1 MBq | 110 MBq | 120 MBq | 550 MBq | 5.5 GBq |
55 GBq |
300 | 30 | 1 | ||
Th-228 | A | 10 kBq |
630 Bq |
290 kBq | 3.15 kBq | 31.5 kBq | 315 kBq | 3 | 0.3 | 0.001 | 100 | |
Th-230 | A | 10 kBq |
710 Bq |
95 kBq |
3.55 kBq | 35.5 kBq | 355 kBq | 3 | 0.3 | 0.001 | 100 | |
Th-232 | A | 10 kBq |
690 Bq |
91 kBq |
3.45 kBq | 34.5 kBq | 345 kBq | 3 | 0.3 | 0.001 | 1 | |
Tl-201 | C | 1 MBq | 260 MBq | 21 MBq | 105 MBq | 1.05 GBq | 10.5 GBq | 300 | 30 | 0.037 | 100 | |
Tl-204 | C | 10 kBq | 32 MBq | 15 MBq | 160 MBq | 1.6 GBq |
1.6 GBq |
300 | 30 | 0.37 | 100 | |
U Natural | A | 1 kBq |
3.2 kBq |
410 kBq | 16 kBq | 160 kBq | 1600 kBq | 3 | 0.3 | 0.01 | 1.4 kg | |
U-234 | A | 10 kBq |
2.9 kBq |
410 kBq | 14.5 kBq | 145 kBq | 1450 kBq | 3 | 0.3 | 0.01 | ||
U-235 | A | 10 kBq |
3.3 kBq |
430 kBq | 16.5 kBq | 165 kBq | 1650 kBq | 3 | 0.3 | 0.01 | ||
U-238 | A | 10 kBq |
3.5 kBq |
450 kBq | 17.5 kBq | 175 kBq | 1750 kBq | 3 | 0.3 | 0.01 | ||
V-48 | A | 100 kBq | 7.4 MBq | 10 MBq | 37 MBq | 370 MBq |
3.7 GBq |
3 | 0.3 | 0.01 | ||
V-49 | C | 770 MBq | 1.1 GBq | 3.85 GBq | 38.5 GBq | 385 GBq | 300 | 30 | 10 | |||
Xe-127* | B | 250 kBq | N/A | 125 MBq | 12.5 MBq | 125 MBq | 30 | 3 | N/A | N/A | ||
Xe-133* | C | 10 kBq |
2 MBq |
3.35 MBq | 33.5 MBq | 335 MBq | 300 | 30 | N/A | N/A | 3.7 | |
Y-88 | A | 6.1 MBq | 15 MBq | 15.5 MBq | 155 MBq | 1.55 GBq | 3 | 0.3 | 0.01 | 0.1 | ||
Y-90 | B | 100 kBq | 12 MBq | 7.4 MBq | 60 MBq | 600 MBq | 6 GBq | 3 | 3 | 0.37 | 10,000 | |
Yb-169 | B | 10 MBq | 8.3 MBq | 28 MBq | 41.5 MBq | 415 MBq | 4.15 GBq | 30 | 3 | 0.1 | 1 | |
Zn-65 | A | 1 MBq | 7.1 MBq | 5.1 MBq | 35.5 MBq | 355 MBq | 3.55 GBq | 3 | 0.3 | 0.01 | 1 | |
Zr-89 | A | 27 MBq | 25 MBq | 135 MBq | 1.35 GBq | 13.5 GBq | 3 | 0.3 | 0.01 | |||
Zr-95 | B | 1 MBq | 4.8 MBq | 23 MBq | 24 MBq | 240 MBq |
2.4 GBq |
30 | 3 | 0.01 |
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