Report on Lost, Stolen and Found Sealed Sources and Radiation Devices
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| Date | Event Number | Event Description | Location | INES Classification | Radiation Device Make/Model and Serial Number | Sealed Source Serial Number | Nuclear Substance | Activity | Unit | Sealed Source Category | Recovered Date |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-04 | 6947 | Stolen portable gauge | Bancroft, ON | 1 |
Instrotek 3500 Xplorer S/N: 1113 |
CZ2229 166/09 |
Cs-137 Am-241/Be |
370 1.48 |
MBq GBq |
4 4 |
Not recovered |
| 2025-07-21 | 6774 | Lost 1 sealed source | Montréal, QC | 0 |
n/a |
n/a |
I-125 |
4.5 |
MBq |
5 |
Not recovered |
| 2025-07-20 | 6767 | Stolen portable gauge | Regina, SK | 1 |
Troxler, 3440 S/N: 79229 |
77-18842 78-13858 |
Cs-137 Am-241/Be |
300 1.48 |
MBq GBq |
4 4 |
Not recovered |
| 2025-07-03 | 6751 | Lost 1 sealed source | North York, ON | 0 | n/a | n/a | I-125 | 6.9 | MBq | 5 | Not recovered |
| 2025-06-06 | 6720 | Lost 1 sealed source | New Westminster, BC | 0 | n/a | n/a | I-125 | 3.2 | MBq | 5 | Not recovered |
| 2025-03-25 | 6664 | Lost 1 sealed source | North York, ON | 0 | n/a | n/a | I-125 | 7.1 | MBq | 5 | Not recovered |
| 2024-12-12 | 6540 | Found smoke detector (1 unit) | Whitby, ON | 0 |
Pyrotronics
FES5 |
n/a | Ra-226 | 1.48 | MBq | 5 | 2024-12-12 |
| 2024-12-12 | 6521 | Lost 1 static eliminator | London, ON | 1 |
P-2042
S/N: A2NF690 |
n/a | Po-210 | 185 | MBq | 4 | 2024-12-12 |
| 2024-10-25 | 6469 | Stolen portable gauge | Laval, QC | 1 |
Troxler 3440
S/N: 30854 |
750-4470
47-5365 |
Cs-137
Am-241/Be |
300
1.48 |
MBq
GBq |
4
4 |
Not recovered |
| 2024-07-02 | 6347 | Stolen portable gauge | Gods Lake, MB | 1 |
Troxler 3430
S/N: 62365 |
77-10789
78-6925 |
Cs-137
Am-241/Be |
290
1.41 |
MBq
GBq |
4
4 |
2024-07-02 |
| 2024-06-03 | 6321 | Lost 1 sealed source | Burlington, ON | 0 | n/a | n/a | I-125 | 6 | MBq | 5 | 2024-06-04 |
| 2024-05-06 | 6280 | Lost 1 sealed source | London, ON | 0 | n/a | n/a | I-125 | 10 | MBq | 5 | Not recovered |
| 2024-04-19 | 6265 | Lost smoke detectors (38 units) | Winnipeg, MB | 0 | Pyrotronics FES 5 et F3/5A | n/a |
Ra-226
Am-241 |
1.45
2.96 |
MBq
MBq |
5 | Not recovered |
| 2024-04-02 | 6257 | Lost 2 sealed sources | Montreal, QC | 0 | n/a | n/a | I-125 | 4.7 each |
MBq |
5 | Not recovered |
| 2024-04-11 | 6250 | Lost 1 sealed source | London, ON | 0 | n/a | n/a | I-125 | 10 | MBq | 5 | Not recovered |
| 2024-03-07 | 6224 | Lost 1 sealed source | Montreal, QC | 0 | n/a | n/a | I-125 | 23.1 | MBq | 5 | Not recovered |
| 2024-03-07 | 6223 | Lost 1 sealed source | London, ON | 0 | n/a | n/a | I-125 | 10 | MBq | 5 | Not recovered |
| 2024-02-16 | 6205 | Lost 1 sealed source | Montreal, QC | 0 | n/a | n/a | I-125 | 4.7 | MBq | 5 | Not recovered |
| 2024-02-13 | 6193 | Stolen portable gauge | North Vancouver, BC | 1 |
Troxler 3430
S/N: 60615 |
77-7613
78-4671 |
Cs-137
Am-241/Be |
300<
1.48 |
MBq
GBq |
4 | 2024-02-18 |
| 2023-12-22 | 6140 | Stolen portable gauge | Brampton, ON | 1 |
Humboldt 5001 EZ
S/N: 10223 |
Q2139
K549-21 |
Cs-137
Am-241/Be |
370
1.48 |
MBq
GBq |
4 | Not recovered |
| 2023-11-13 | 6137 | Lost 1 sealed source | Montreal, QC | 0 | n/a | n/a | I-125 | 5.7 | MBq | 5 | Not recovered |
| 2023-11-10 | 6111 | Lost 1 sealed source | Ottawa, ON | 0 | n/a | n/a | I-125 | 10.6 | MBq | 5 | Not recovered |
| 2023-09-24 | 6060 | Stolen portable gauge | Entwistle, AB | 1 |
Troxler 3430P
S/N: 79579 |
77-19025
780-7620 |
Cs-137
Am-241/Be |
293
1.48 |
MBq
GBq |
4 | 2023-09-25 |
| 2023-09-12 | 6059 | Lost 1 sealed source | Montreal, QC | 0 | n/a | n/a | I-125 | 5.8 | MBq | 5 | Not recovered |
| 2023-09-06 | 6038 | Lost liquid scintillation counter | Hamilton, ON | 0 |
Beckman Counter
LSC 7031283 |
n/a | Cs-137 | 510 | kBq | 5 | Not recovered |
| 2023-06-16 | 5943 | Stolen portable gauge | Kitchener, ON | 1 |
Troxler 3430
S/N 31450 |
750-6183
47-4646 |
Cs-137
Am-241/Be |
300
1.48 |
MBq
GBq |
4
4 |
2023-12-06 |
| 2023-03-16 | 5853 | Lost 2 sealed sources | Burlington, ON | 0 | n/a | n/a | I-125 | 7.4 each | MBq | 5 | Not recovered |
| 2023-02-02 | 5809 | Lost 2 check sources | Kitchener, ON | 0 | n/a |
2340-26-31
2340-32-44 |
Eu-152
Cs-137 |
18.5 each | kBq | 5 | Not recovered |
| 2022-11-25 | 5784 | Lost 1 sealed source | Thunder Bay, ON | 0 | n/a | n/a | Co-57 | 33 | MBq | 5 | Not recovered |
| 2022-06-02 | 5580 | Stolen portable gauge | St-Albert, AB | 1 |
Troxler 3430
S/N 67472 |
77-12396
78-8399 |
Cs-137
Am-241/Be |
300
1.48 |
MBq
GBq |
4
4 |
Not recovered |
| 2021-10-13 | 5357 | Lost fixed gauge | Mississauga, ON | 1 |
Industrial Dynamics FT-50
S/N 110393 |
4676 | Am-241 | 3.7 | GBq | 4 | Not recovered |
| 2021-07-14 | 5280 | Stolen portable gauge | Chilliwack, BC | 1 |
Troxler 3430 S/N 36490 |
77-3711
78-1416 |
Cs-137
Am-241/Be |
209
1,443 |
MBq
MBq |
4
4 |
Not recovered |
| 2021-05-09 | 5209 | Stolen portable gauge | Maple Ridge, BC | 1 |
CPN International MC1 DRP
S/N 10343 |
A0343
C0343 |
Cs-137<
Am-241/Be |
325.1
1.73 |
MBq
GBq |
4
4 |
Not recovered |
| 2021-04-05 | 5180 | Stolen portable gauge | Clearwater, BC | 1 |
Troxler 3440+
S/N 73528 |
77-16349
78-11627 |
Cs-137
Am-241/Be |
286
1,475 |
MBq
MBq |
4
4 |
n/a |
| 2020-11-19 | 5081 | Lost XRF Analyzer | London, ON | 0 |
Niton XL
S/N 9282 |
n/a | Am-241 | 1.1 | GBq | 5 | Not recovered |
| 2020-07-16 | 4975 | Stolen portable gauge | Montreal, QC | 1 |
Troxler 4640B
S/N 1216 |
75-3308 | Cs-137 | 158 | MBq | 4 | Not recovered |
| 2019-04-15 | 4627 | Lost two check sources | Woodbridge, ON | 0 | n/a | n/a |
Cs-137
Cs-137 |
18.5
9.5 |
kBq
MBq |
5
5 |
Not recovered |
| 2019-03-12 | 4612 | Lost liquid scintillation counter | Montreal, QC | 0 |
Beckman Counter
LS 6000 SC 7065573 |
1469 | Cs-137 | 592 | kBq | 5 | Not recovered |
| 2018-12-04 | 3528 | Lost smoke detectors (66 units) | Pickering, ON | 0 | Pyrotronics/Cerberus F3/5A and F5B | n/a | Am-241 | 2960 | kBq | 5 | Not recovered |
| 2018-06-08 | 3371 | Stolen portable gauge | Quebec, QC | 1 |
Troxler 3440
S/N 17226 |
506537
4712648 |
Cs-137
Am-241/Be |
300
1,480 |
MBq
MBq |
4
4 |
Not recovered |
| 2018-04-12 | 3302 | Lost 1 sealed source | Bécancour, QC | 0 | n/a | 1432 | Sr-90 | 325 | kBq | 5 | Not recovered |
| 2017-11-01 | 3180 | Lost 1 check source | Toronto, ON | 0 | n/a | 161 | Cs-137 | 370 | kBq | 5 | Not recovered |
| 2017-10-01 | 3159 | Stolen portable gauge | Toronto, ON | 1 |
Humboldt HS 5001
S/N 1073 |
477640
501110 |
Am-241/Be
Cs-137 |
1,628
407 |
MBq
MBq |
4
5 |
Not recovered |
| 2017-10-01 | 3220 | Lost 1 check source | Toronto, ON | 0 | n/a | n/a | Pb-210 | 185 | kBq | 5 | Not recovered |
| 2017-06-20 | 3088 | Lost five liquid scintillation counters | Edmonton, AB | 0 |
Packard 2100TR
S/N 406006 Beckman LS3801 S/N 204663 Beckman LS3801 S/N 258602 LKB Wallac Rackbeta LKB Wallac Rackbeta S/N 188725 |
n/a |
Ba-133
Cs-137 Cs-137 Ra-226 Ra-226 |
6,327
1.11 1.48 37 370 |
kBq
MBq MBq kBq kBq |
5
5 5 5 5 |
Not recovered |
| 2017-02-20 | 2998 | Lost 1 sealed source | Montréal, QC | 0 | n/a | 1639-18-43 | Cs-137 | 16.8 | kBq | 5 | Not recovered |
| 2016-12-08 | 2955 | Lost 1 sealed source | Ottawa, ON | 0 | n/a | 175 | Cs-137 | 370 | kBq | 5 | Not recovered |
| 2016-10-03 | 2867 | Stolen portable gauge | Montréal, QC | 1 |
Troxler 3411B S/N 20103 |
75-1361
47-15587 |
Cs-137
Am-241/Be |
300
1,480 |
MBq
MBq |
4
4 |
Not recovered |
| 2016-01-08 | 2677 | Lost sealed sources | Pickering, ON | 0 | n/a | n/a |
Am-241
Cl-36 Ba-133 Cs-137 Sr-90 Sr-90 Cs-137 |
3.6
100 41 28 30 30 73 |
GBq
kBq MBq kBq kBq kBq kBq |
5
5 5 5 5 5 5 |
Not recovered |
| 2015-10-07 | 2598 | Stolen portable gauge | Les Cèdres, QC | 1 | Humboldt 5001 | 379 |
Cs-137
Am-241/Be |
370
1,480 |
MBq
MBq |
4
4 |
Not recovered |
| 2015-09-30 | 2591 | Lost 1 check source | Richmond, BC | 0 | n/a | n/a | Cs-137 | 37.0 | kBq | 5 | Not recovered |
| 2015-09-21 | 2590 | Lost 1 sealed source | Edmonton, AB | 0 | n/a | n/a | Ra-226 | 370 | kBq | 5 | Not recovered |
| 2015-06-30 | 2556 | Lost check sources | Mississauga, ON | 0 | n/a | n/a |
Cs-137 Cs-137 Cs-137 |
370
370 370 |
kBq kBq kBq |
5
5 5 |
Not recovered |
| 2015-06-20 | 2491 | Stolen portable gauge | Montréal, QC | 1 | Troxler 3411B | 12183 |
Cs-137
Am-241/Be |
326
1,628 |
MBq
MBq |
4 | Not recovered |
| 2014-10-21 | 2309 | Lost liquid scintillation counter | London, ON | 0 |
Beckman,LS | n/a | Cs-137 | 0.6 | MBq | 5 | Not recovered |
| 2014-10-06 | 2258 | Stolen portable gauge | Fort McMurray, AB | 1 | Troxler, 3430 | 69167 |
Cs-137
Am-241/Be |
296
1,480 |
MBq
MBq |
4
4 |
Not recovered |
| 2014-09-15 | 2251 | Lost 1 sealed source | Québec, QC | 0 | n/a | n/a | Eu-152 | 18.0 | MBq | 5 | Not recovered |
| 2014-08-29 | 2259 | Stolen portable gauge | Red Deer, AB | 1 |
Troxler, 3450
Troxler, 3450 |
21694
21694 |
Cs-137
Am-241/Be |
333
1,628 |
MBq
MBq |
4
4 |
Not recovered |
| 2014-05-28 | 2193 | Stolen XRF Analyzer | Edmonton, AB | 0 | Niton, XL | 13010 | Am-241 | 1,110 | MBq | 5 | Not recovered |
| 2014-03-21 | 2132 | Lost sealed sources | Toronto, ON | 1 | n/a | n/a |
Am-241
Am-241 Am-241 Am-241 Am-241 Cs-137 Cs-137 |
1.7
203 68.4 288 206 144 14.2 |
MBq
kBq kBq kBq kBq kBq kBq |
5
5 5 5 5 5 5 |
Not recovered
Not recovered Not recovered Not recovered Not recovered Not recovered Not recovered |
| 2013-10-30 | 2051 | Loss of two hygrometers | Baie-Comeau, QC | 0 |
Alnor, 7000
Alnor, 7000 |
16011
23307 |
Ra-226
Ra-226 |
463
463 |
kBq
kBq |
5
5 |
Not recovered
Not recovered |
| 2013-10-17 | 2052 | Loss of two sealed sources | Ottawa, ON | 0 | n/a | n/a |
Am-241 Cs-137 |
1.5 0.6 |
MBq MBq |
5 5 |
Not recovered |
| 2013-05-10 | 1938 | Lost fixed gauge | Mississauga, ON | 0 | Ohmart-Bal | 8472 | Kr-85 | 9.5 | GBq | N/A | Not recovered |
| 2013-02-23 | 1870 | Lost fixed gauge | Fort McMurray, AB | 0 | Ronan, SA8R-C10 | 3700CN | Cs-137 | 185 | MBq | 5 | Not recovered |
| 2012-11-20 | 1814 | Stolen portable gauge | Vaughan, ON | 1 | Humboldt, H5001P | 21 |
Am-241/Be
Cs-137 |
1.5
370 |
GBq
MBq |
4
4 |
Not recovered |
| 2012-06-04 | 1727 | Lost radiation device | Montréal, QC | 0 | Wallac, 1200 | 1409-001 | Ra-226 | 370 | kBq | 5 | Not recovered |
| 2011-11-20 | 1587 | Stolen portable gauge | Magog, QC | 1 | Troxler, 3430 | 64806 |
Am-241/Be
Cs-137 |
1.5
300 |
GBq
MBq |
4
4 |
Not recovered |
| 2011-09-30 | 1564 | Lost radiation device | Toronto, ON | 0 | Niton, XL | n/a | Am-241 | 1.1 | GBq | 5 | Not recovered |
| 2011-07-11 | 1508 | Stolen portable gauge from worksite | Régina, SK | 1 | Troxler, 3430 | 64797 |
Am-241/Be
Cs-137 |
1.5
300 |
GBq
MBq |
4
4 |
Not recovered |
| 2011-06-08 | 1485 | Stolen portable gauge | Montréal, QC | 1 | Troxler, 3450 | 1068 |
Am-241/Be
Cs-137 |
2.2
333 |
GBq
MBq |
4
4 |
Not recovered |
| 2010-11-23 | 1380 | Lost XRF analyzer | Ofrey, BC | 0 | ASOMA, LCA | n/a | Cm-244 | 3.7 | GBq | 5 | Not recovered |
| 2010-10-31 | 1668 | Stolen XRF analyzer | Iqaluit, NU | 0 |
Thermo, XLp
703a |
8088 |
Am-241
Cd-109 Fe-55 |
n/a | n/a | 5 | Not recovered |
| 2010-07-29 | 1347 | Stolen portable gauge | Montréal, QC | 1 |
Troxler
3411B |
5929 |
Am-241/Be
Cs-137 |
1.6
333 |
GBq
MBq |
4 | Not recovered |
| 2010-05-31 | 1282 | Stolen portable gauge | Vaughan, ON | 1 | Humboldt, 5001P | 887 |
Am-241/Be
Cs-137 |
1.6
407 |
GBq
MBq |
4 | Not recovered |
| 2009-08-17 | 1196 | Stolen portable gauge | Hwy 903, Kelly Lake, SK | 1 | Troxler, 3430 | 39444 |
Am-241/Be
Cs-137 |
1.6
333 |
GBq
MBq |
4
4 |
Not recovered |
| 2009-08-05 | 1182 | Stolen portable gauge | Scarborough, ON | 1 | Humboldt, 5001B | 4979 |
Am-241/Be
Cs-137 |
1.6
333 |
GBq
MBq |
4
4 |
Not recovered |
| 2008-12-03 | 1098 | Stolen portable gauge | Laval, QC | 1 | Troxler, 3411B | 12445 | Am-241/Be | 1.5 | GBq | 4 | Not recovered |
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