Language selection

Government of Canada / Gouvernement du Canada

Search

REGDOC-1.6.1: Licence Application Guide: Nuclear Substances and Radiation Devices – Appendix R, version 2

Appendix R: Regulatory Quantities for Typical Radionuclides

Radionuclide 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 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 10 kBq 740
Bq 		100 kBq 3.7 kBq 37
kBq 		370 kBq 3 0.3 0.0037 10  
Ar-41* 1 GBq 45
kBq 		N/A 225 kBq 2.25 MBq 22.5 MBq 300 30 N/A N/A 0.037
Au-198 1 MBq 18 MBq 20 MBq 90 MBq 900 MBq 9
GBq 		30 3 0.1 100  
Ba-133 1 MBq 11 MBq 20 MBq 55 MBq 550 MBq 5.5
GBq 		30 3 0.037 1  
Bi-210 1 MBq 330 kBq 15 MBq 1.65 MBq 16.5 MBq 165 MBq 3 0.3 0.037    
Br-82 1 MBq 23 MBq 37 MBq 115 MBq 1.15 GBq 11.5 GBq 30 3 0.01 0.1  
C-11 1 MBq 9.1 GBq 830 MBq 4.2 GBq 41.7 GBq 417 TBq 300 30 0.01    
C-14 10 MBq 3.1
GBq 		34 MBq 170 MBq 1.7 GBq 17
GBq 		300 30 3.7 10,000  
Ca-45 10 MBq 8.7 MBq 26 MBq 43.5 MBq 435 MBq 4.35 GBq 300 30 0.37 1,000  
Ca-47 1 MBq 9.5 MBq 13 MBq 47.5 MBq 475 MBq 4.75 GBq 30 3 0.01 100  
Cd-109 1 MBq 2.1 MBq 10 MBq 10.5 MBq 105 MBq 1.05 GBq 300 30 0.37 10  
Ce-139 1 MBq 14 MBq 77 MBq 70 MBq 700 MBq 7
GBq 		30 3 0.1 1  
Ce-141 10 MBq 6.5 MBq 28 MBq 32.5 MBq 325 MBq 3.25 GBq 300 30 0.037 10  
Ce-143 1 MBq 20 MBq 18 MBq 100 MBq 1
GBq 		10
GBq 		30 3 0.1 1  
Cl-36 1 MBq 3.9 MBq 22 MBq 19.5 MBq 195 MBq 1.95 GBq 300 30 0.37 10,000  
Co-56 100 kBq 4.1 MBq 8
MBq 		20.5 MBq 205 MBq 2.05 GBq 3 0.3 0.01    
Co-57 1 MBq 33 MBq 95 MBq 165 MBq 1.65 GBq 16.5 GBq 300 30 0.37 1,000  
Co-58 1 MBq 12 MBq 27 MBq 60 MBq 600 MBq 6 GBq 30 3 0.37 100  
Co-60 100 kBq 1.2 MBq 5.9 MBq 6 MBq 60 MBq 600 MBq 3 0.3 0.01 0.1  
Cr-51 10 MBq 560 MBq 530 MBq 2.65 GBq 26.5 GBq 265 GBq 300 30 3.7 100  
Cs-134 10 MBq 2.1 MBq 1.1 MBq 5.5 MBq 55 MBq 550 MBq 3 0.3 0.01 0.1  
Cs-137 10 MBq 3
MBq 		1.5 MBq 7.5 MBq 75 MBq 750
MBq 		3 0.3 0.01 1  
Cu-60 100 kBq 320 MBq 280 MBq 1.4 GBq 14
GBq 		140 GBq 300 30 0.01    
Cu-64 1 MBq 130 MBq 170 MBq 650 MBq 6.5 GBq 65
GBq 		300 30 0.1 1  
Cu-67 1 MBq 34 MBq 59 MBq 170 MBq 1.7 GBq 17
GBq 		30 3 0.1    
F-18 1 MBq 220 MBq 410 MBq 1.1 GBq 11
GBq 		110 GBq 300 30 0.01 0.1  
Fe-55 1 MBq 22 MBq 61 MBq 110 MBq 1.1 GBq 11
GBq 		300 30 3.7 10,000  
Fe-59 1 MBq 6.3 MBq 11 MBq 31.5 MBq 315 MBq 3.15 GBq 30 3 0.01 1  
Fr-169 10 MBq 22 MBq 54 MBq 110 MBq 1.1 GBq 11
GBq 		300 30 10 10,000  
Ga-67 1 MBq 71 MBq 110 MBq 355 MBq 3.55 GBq 35.5 GBq 300 30 0.037 100  
Ga-68 10 kBq 250 MBq 200 MBq 1
GBq 		10
GBq 		100 GBq 300 30 0.01    
Ge-68 100 kBq 2.5 MBq 15 MBq 12.5 MBq 125 MBq 1.25 GBq 300 30 0.01 0.1  
H-3 1 GBq 1
GBq 		1
GBq 		5
GBq 		50
GBq 		500 GBq 300 30 37 1,000,000 37
Hg-194 10 kBq 10.5 MBq 390 kBq 1.95 MBq 19.5 MBq 195 MBq 30 3 0.01 10  
Hg-197 10 MBq 235 MBq 87 MBq 435 MBq 4.35 GBq 43.5 GBq 300 30 0.1 1,000  
Hg-203 100 kBq 11 MBq 11 MBq 55 MBq 550 MBq 5.5
GBq 		30 3 0.1 10  
I-123 10 MBq 182 MBq 95 MBq 475 MBq 4.75 GBq 47.5 GBq 300 30 3.7 1,000 3
I-124 10 kBq 3.2 MBq 1.5 MBq 7.5 MBq 75 MBq 750
MBq 		3 0.3 0.01 10  
I-125 1 MBq 2.7 MBq 1.3 MBq 6.5 MBq 65 MBq 650 MBq 300 30 0.037 100 0.03
I-131 1 MBq 1.8
MBq 		910 kBq 4.55 MBq 45.5 MBq 455 MBq 30 3 0.037 10 0.175
In-111 1 MBq 65 MBq 69 MBq 325 MBq 3.25 GBq 32.5 GBq 300 30 0.037 100  
In-113m 1 MBq 630 MBq 710 MBq 3.15 GBq 31.5 GBq 315 GBq 300 30 0.1 1  
In-114 10 kBq           300 30      
Ir-192 10 kBq 4.1 Mbq 14 MBq 20.5 MBq 205 MBq 2.05 GBq 30 3 0.37 1  
K-42 1 MBq 100 MBq 47 MBq 235 MBq 2.35
GBq 		23.5
GBq 		300 30 0.1 1,000  
Kr-79* 100 kBq 250 kBq N/A 1.25 MBq 12.5 MBq 125 MBq 30 3 N/A N/A 0.37
Kr-85* 10 kBq 11 MBq N/A 55 MBq 550 MBq 5.5
GBq 		300 30 N/A N/A 3.7
La-140 100 kBq 13 MBq 10 MBq 50 MBq 500 MBq 5
GBq 		30 3 0.01 0.1  
Lu-177 10 MBq 18 MBq 38 MBq 90 MBq 900 MBq 9
GBq 		300 30 1 10  
Lu-177m 10 kBq 1.7 MBq 12 MBq 8.5 MBq 85 MBq 850 MBq 3 0.3 0.01 0.1  
Mn-52 100 kBq 11 MBq 11 MBq 55 MBq 550 MBq 5.5
GBq 		3 0.3 0.01    
Mn-52m 100 kBq 400 MBq 290 MBq 1.45
GBq 		14.5
GBq 		145 GBq 300 30 0.01    
Mn-54 1 MBq 17 MBq 28 MBq 85 MBq 850 MBq 8.5
GBq 		30 3 0.01 1  
Mn-56 100 kBq 100 MBq 80 MBq 400 MBq 4
GBq 		40
GBq 		300 30 0.01 0.1  
Mo-99 1 MBq 18 MBq 17 MBq 85 MBq 850 MBq 8.5
GBq 		30 3 0.1 100  
N-13 1 GBq 15
GBq 		1.2 GBq 6 GBq 60
GBq 		600 GBq 300 30 0.1    
Na-22 1 MBq 10
Mbq 		6.3 MBq 31.5 MBq 315 MBq 3.15 GBq 3 0.3 0.01 0.1  
Na-24 100 kBq 38 MBq 47 MBq 190 MBq 1.9 GBq 19
GBq 		300 30 0.01 100  
Nb-95 1 MBq 15 MBq 34 MBq 75 MBq 750 MBq 7.5
GBq 		30 3 0.01    
Nb-98 100 kBq 200 MBq 180 MBq 900
MBq 		9
GBq 		90 GBq 300 30 0.01    
Ni-63 100 MBq 38 MBq 130 MBq 190 MBq 1.9 GBq 19
GBq 		300 30 0.1 10,000  
O-15 1 GBq 41
GBq 		3.7 GBq 18.5 GBq 185 GBq 1,850 GBq 300 30 0.1    
P-32 100 kBq 6.9 MBq 8.3 MBq 34.5 MBq 345 MBq 3.45 GBq 300 30 0.37 1  
P-33 100 MBq 15 MBq 83 MBq 75 MBq 750 MBq 7.5
GBq 		300 30 1 10  
Pa-233 10 MBq 6.3 MBq 23 MBq 31.5 MBq 315 MBq 3.15 GBq 30 3 0.1    
Pb-210 0.01 MBq 18
kBq 		29
kBq 		90 kBq 900 kBq 9
MBq 		3 0.3 0.0037 1  
Pm-147 10 MBq 5.7 MBq 77 MBq 28.5 MBq 285 MBq 2.85 GBq 300 30 0.37 10,000  
Po-210 0.01 MBq 9.1
kBq 		83
kBq 		45.5 kBq 455 kBq 4.55 MBq 3 0.3 0.0037 10  
Pr-144 10 kBq 670 MBq 400 MBq 2 GBq 20 GBq 200 GBq 300 30 0.1    
Pu-238 0.01 MBq 670
Bq 		87
kBq 		3.35 kBq 33.5 kBq 335 kBq 3 0.3 0.001 1  
Pu-239 0.01 MBq 630
Bq 		80
kBq 		400 kBq 4 MBq 40 MBq 3 0.3 0.001 1  
Pu-240 0.001 MBq 630
Bq 		80
kBq 		400 kBq 4 MBq 40 MBq 3 0.3 0.001 1  
Pu-241 0.1 MBq 34
kBq 		4.3 MBq 0.170 MBq 1.7 MBq 17
MBq 		300 30 0.1    
Ra-223 0.1 MBq 3.5
kBq 		200 kBq 17.5 kBq 175 kBq 1.75 MBq 30 3 0.1 1  
Ra-226 10 kBq 1.7
kBq 		71
kBq 		8.5 kBq 85 kBq 850 kBq 3 0.3 0.0037 1  
Rb-86 0.1 MBq 15 MBq 7.1 MBq 35.5 MBq 355 MBq 3.55 GBq 30 3 0.1 10  
Re-186 1 MBq 17 MBq 13 MBq 65 MBq 650 MBq 6.5
GBq 		30 3 1 10  
Re-188 0.1 MBq 27 MBq 14 MBq 70 MBq 700 MBq 7 GBq 30 3 0.1    
Ru-103 1 MBq 9.1 MBq 27 MBq 45.5 MBq 455 MBq 4.55 GBq 30 3 0.037    
Ru-106 0.1 MBq 570 kBq 2.9 MBq 2.85 MBq 28.5 MBq 285 MBq 30 3 0.037    
S-35 100 MBq 18 MBq 105 MBq 90 MBq 900 MBq 9
GBq 		300 30 0.37 1,000  
Sb-122 0.01 MBq 17 MBq 12 MBq 60 MBq 600 MBq 6
GBq 		30 3 0.1    
Sb-124 1 MBq 4.3 MBq 8
MBq 		21.5 MBq 215 MBq 2.15 GBq 3 0.3 0.37 0.1  
Sc-46 1 MBq 4.2 MBq 13 MBq 21 MBq 210 MBq 2.1
GBq 		3 0.3 0.1 0.1  
Se-75 1 MBq 12 MBq 7.7 MBq 38.5 MBq 385 MBq 3.85
GBq 		30 3 0.1 1  
Sm-153 1 MBq 29 MBq 27 MBq 135 MBq 1.35 GBq 13.5 GBq 30 3 0.1 10  
Sn-113 10 MBq 11 MBq 27 MBq 55 MBq 550 MBq 5.5
GBq 		300 30 1    
Sr-85 1 MBq 31 MBq 36 MBq 155 MBq 1.55 GBq 15.5 GBq 30 3 0.1 1 0.175
Sr-89 1 MBq 3.6 MBq 7.7 MBq 18 MBq 180 MBq 1.8
GBq 		300 30 0.37 1,000  
Sr-90 10 kBq 260 kBq 710 kBq 1.3 MBq 13 MBq 130 MBq 30 3 0.0037 1  
Tc-99 10 MBq 6.3 MBq 26 MBq 31.5 MBq 315 MBq 3.15 GBq 300 30 0.37 10,000  
Tc-99m 10 MBq 690 MBq 910 MBq 3.45 GBq 34.5 GBq 345 GBq 300 30 3.7 1,000  
Te-127 1 MBq 110 MBq 120 MBq 550 MBq 5.5 GBq 55
GBq 		300 30 1    
Th-228 10 kBq 630
Bq 		290 kBq 3.15 kBq 31.5 kBq 315 kBq 3 0.3 0.001 100  
Th-230 10 kBq 710
Bq 		95
kBq 		3.55 kBq 35.5 kBq 355 kBq 3 0.3 0.001 100  
Th-232 10 kBq 690
Bq 		91
kBq 		3.45 kBq 34.5 kBq 345 kBq 3 0.3 0.001 1  
Tl-201 1 MBq 260 MBq 210 MBq 1.05 GBq 10.5 GBq 105 GBq 300 30 0.037 100  
Tl-204 10 kBq 32 MBq 15 MBq 75 MBq 750 MBq 7.5
GBq 		300 30 0.37 100  
U Natural 1 kBq 3.2
kBq 		410 kBq 16 kBq 160 kBq 1600 kBq 3 0.3 0.01 1.4 kg  
U-234 10 kBq 2.9
kBq 		410 kBq 14.5 kBq 145 kBq 1450 kBq 3 0.3 0.01    
U-235 10 kBq 3.3
kBq 		430 kBq 16.5 kBq 165 kBq 1650 kBq 3 0.3 0.01    
U-238 10 kBq 3.5
kBq 		450 kBq 17.5 kBq 175 kBq 1750 kBq 3 0.3 0.01    
V-48 100 kBq 7.4 MBq 10 MBq 37 MBq 370 MBq 3.7
GBq 		3 0.3 0.01    
V-49 10 kBq 770 MBq 1.1 GBq 3.85 GBq 38.5 GBq 385 GBq 300 30 10    
Xe-127* 10 kBq 250 kBq N/A 1.25 MBq 12.5 MBq 125 MBq 30 3 N/A N/A  
Xe-133* 10 kBq 2
MBq 		  10 MBq 100 MBq 1 GBq 300 30 N/A N/A 3.7
Y-88 10 kBq 6.1 MBq 15 MBq 30.5 MBq 305 MBq 3.05 GBq 3 0.3 0.01 0.1  
Y-90 100 kBq 12 MBq 7.4 MBq 37 MBq 370 MBq 3.7 GBq 30 3 0.37 10,000  
Yb-169 10 MBq 8.3 MBq 28 MBq 41.5 MBq 415 MBq 4.15 GBq 30 3 0.1 1  
Zn-65 1 MBq 7.1 MBq 5.1 MBq 25.5 MBq 255 MBq 2.55 GBq 3 0.3 0.01 1  
Zr-89 10 kBq 27 MBq 25 MBq 125 MBq 1.25 GBq 12.5 GBq 3 0.3 0.01    
Zr-95 1 MBq 4.8 MBq 23 MBq 24 MBq 240 MBq 2.4
GBq 		30 3 0.01    

Page details

Date modified: