2020 Dose Data from the Fixed Point Surveillance Network

The Fixed Point Surveillance (FPS) network monitors public radiation dose due to radioactive materials in the atmosphere. The FPS network is used primarily to measure the external dose from three noble gases in particular; Argon-41, Xenon-133 and Xenon-135, as well as the total combined external dose from all sources, measured as Total Air KERMA.

For all of the tables on this page, the following definitions apply:

nGy (nanoGray)

A Gray (Gy) is a standard unit of measurement for radiation dose, defined as 1 Joule of energy deposited per kilogram of matter. A nanoGray (nGy) is 1x10-6 milliSieverts (mSv) and it is a much more common unit of measure for these types of very low doses.

KERMA (Kinetic Energy Released in Matter)

In this case the 'Total Air KERMA' refers to the radiation dose from all external gamma sources, not just from the three noble gases Argon-41, Xenon-133 and Xenon-135. This includes natural background radiation as well, such as from mineral deposits in the ground or radon gas in the air.

(hyphen)

The system has a limit on the amount of low-level radiation it can reliably detect and use to calculate a monthly dose and the hyphens represent any data which falls below this detection limit. The minimum detectable dose for the three noble gases being monitored are...

These detection limits are well below the acceptable public dose limit of 1 mSv/year as published by the Canadian Nuclear Safety Commission in their Radiation Protection Regulations.

(x)

The dose data for this month was not collected due to a problem with the equipment or data transfer.


Please click on a system name below to navigate directly to that system's data table.

The tables below show the most recent dose data available from the FPS network. Data is normally updated quarterly. (Last update: February 1st, 2021).

Gentilly system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
La Prade Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17635 14254 17882 21676 22939 22703 23765 23562 22429 23375 22436 22299
Port Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
7485 5740 6701 8136 8564 8913 9719 9858 9440 10176 9692 9478
Victoriaville Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16994 13725 17545 19464 20342 20385 21490 21390 20336 21347 20536 20535
Trois Rivières Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10066 7429 8823 12165 13639 14014 14780 14728 14035 15067 13964 13937
Québec City Argon-41 - - - - - - - - - x x x
Xenon-133 - - - - - - - - - x x x
Xenon-135 - - - - - - - - - x x x
Total Air
KERMA
8580 7190 8110 8842 9578 9611 10297 10548 9894 x x x

Bruce system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Site
Boundary
Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14923 11509 15373 16017 16920 17159 18711 18768 17581 17801 17765 17077
Scott Point Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11156 9007 10919 11383 11891 11868 12942 13537 12762 13175 13161 12873
Kincardine Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12790 11085 13500 12971 13629 13602 14544 14967 14083 14379 14537 14444
Inverhuron Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12994 10401 12724 13206 13874 13759 14581 15245 14423 14800 14864 14764
Port Elgin Argon-41 - - - x x x x x x x x x
Xenon-133 - - - x x x x x x x x x
Xenon-135 - - - x x x x x x x x x
Total Air
KERMA
12428 9746 11210 x x x x x x x x x
Infocentre Argon-41 - - - - - - - - - x - -
Xenon-133 - - - - - - - - - x - -
Xenon-135 - - - - - - - - - x - -
Total Air
KERMA
19425 15671 20117 20281 21174 21810 24344 23538 22408 x 22190 21495
Tiverton Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15176 11904 15637 17159 18053 17912 19320 19343 18249 18642 18773 17598
Shore Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12339 9663 11858 12545 13187 13179 14310 14722 13883 14282 14252 14164

Greater Toronto area/lake Ontario system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Scarborough Argon-41 - - - - 6 - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12095 10818 12021 11424 11885 11883 12686 12830 12612 13029 12937 12938
Bowmanville Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
26290 23893 27063 26493 27452 27191 28621 28750 28070 32286 31138 31748
Resources Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
9078 8039 8918 8623 9123 9331 9981 10171 10164 10255 10090 9884
St. Clair Avenue East Argon-41 - - - - - x - - - - - -
Xenon-133 - - - - - x - - - - - -
Xenon-135 - - - - - x - - - - - -
Total Air
KERMA
12216 10911 12259 11940 12025 x 12888 13133 12975 13469 13141 13231
Pickering Argon-41 - - - 14 12 9 24 15 7 - 9 13
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15758 14199 15843 15473 16204 16321 17429 17326 17098 17415 16940 16813
Oshawa Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13355 12043 13457 13067 13585 13764 14656 14761 14332 14747 14480 14473
Markham Argon-41 - - - - - - - - - x x x
Xenon-133 - - - - - - - - - x x x
Xenon-135 - - - - - - - - - x x x
Total Air
KERMA
15691 13766 15658 15305 16075 16100 17161 17096 16854 x x x
Ajax Argon-41 48 8 - 6 - - 24 14 7 - 19 31
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
20834 19245 21146 20574 21521 22349 24449 24421 24359 24218 23113 23008
Port Hope Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
19140 17651 19756 19529 19954 19218 20696 20950 19641 20230 19640 20139
Hamilton Argon-41 477 176 236 258 304 559 575 526 598 613 518 409
Xenon-133 15 - 5 4 6 19 5 15 29 35 - -
Xenon-135 - - - - 3 - - - - - - 4
Total Air
KERMA
22060 21332 22755 21722 23117 22968 24154 27051 24464 25198 24621 24763
Kingston ON Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12858 11397 13029 12470 12943 12936 13724 13964 13536 14368 13988 14261
St. Catharines Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10991 10051 10740 10304 10716 10734 11501 11614 11438 12020 11665 17777

Darlington perimeter system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Blue Circle Cement Argon-41 - - - - - 14 - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13627 11993 14049 13832 14462 14735 15875 15802 15743 20351 19389 19605
Bowmanville Argon-41 - - - - - 6 - - - - - 9
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17028 15482 17267 17230 17912 18228 19717 19672 19566 23092 21969 22093
Energy Drive East Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16813 14618 16874 17825 18692 19161 20755 20533 20279 24053 23038 22990
Crago Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14970 12919 15626 15841 16399 16936 18644 18557 18197 23335 22251 22177
Osborne Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13778 12051 13830 14024 14576 14671 15957 16506 16216 21793 19997 20399
Courtice Treatment Plant Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16392 14835 16849 16509 17174 17557 18852 18806 18420 23030 22086 22223
Holt Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
18825 13508 16231 17557 16707 17311 19798 19659 19243 23687 22680 22416

Pickering perimeter system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Montgomery Road Argon-41 454 66 17 45 96 159 611 321 30 53 532 106
Xenon-133 13 11 - - - 4 15 7 - - 12 -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14570 12511 14070 14199 15008 15702 17878 17345 17223 20746 20925 20047
Kinsmen Park Argon-41 27 45 20 91 34 91 462 142 38 - 68 53
Xenon-133 - - - - - - 10 - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14532 13129 14802 14557 15313 16231 17674 17220 17076 21226 20386 20195
Liverpool Road Argon-41 62 11 15 71 63 51 125 71 32 - 65 115
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14153 12665 14134 13801 14324 19744 16256 16148 16259 19726 18862 18841
East Boundary Argon-41 328 63 8 43 20 64 197 71 37 11 161 175
Xenon-133 10 - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
19588 17627 19856 19744 20700 21100 22825 16148 22262 26694 25828 25851
Central Maintenance Argon-41 124 61 52 154 233 229 503 283 86 - 132 37
Xenon-133 - - - - 5 5 10 5 - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11103 9969 11226 11106 11567 11881 13263 12845 12580 16737 16323 16237
Beachpoint Promenade Argon-41 41 - 36 68 51 53 87 43 9 - 66 15
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10901 9598 10794 10541 10847 10937 11840 11997 11737 17022 16700 16747
CMS Storage Yard Argon-41 430 123 51 122 216 328 959 493 96 42 433 70
Xenon-133 11 - - - 6 8 23 10 - - 9 -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
9167 8175 8983 8725 9207 9586 10874 10600 10389 15169 15060 14930
Alex Robertson Road Argon-41 29 33 31 85 95 123 260 104 35 - 63 73
Xenon-133 - - - - - - 5 - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
18208 15529 18593 18876 19701 20552 23117 22517 22461 26774 25498 25423

Ottawa valley system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Chapeau Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13406 9309 10714 18972 21049 20793 22161 22288 21170 21515 20820 20145
Chalk River Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
22851 20159 25004 30019 32522 31950 33601 33769 32329 33241 32008 28817
Deep River Argon-41 - - - - - x - - - - - -
Xenon-133 - - - - - x - - - - - -
Xenon-135 - - - - - x - - - - - -
Total Air
KERMA
23736 19977 20873 26922 29436 x 30742 30232 28863 29689 28829 28107
Ottawa Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17855 15263 18361 18897 19719 19465 15954 16093 15391 16042 15415 15752
Petawawa Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15388 11190 14273 22639 24181 23736 25110 25436 24211 24769 23817 23524
Sheenboro Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17075 13092 16302 23179 24924 24566 26181 26075 24879 25407 24566 22925
Westmeath Argon-41 x x x x - - - x - - - -
Xenon-133 x x x x - - - x - - - -
Xenon-135 x x x x - - - x - - - -
Total Air
KERMA
x x x x 23538 23120 25051 x 24098 23667 22814 22309

Regional system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Amherstburg Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16124 14595 15838 15306 15941 16788 17982 18715 18125 18327 17517 17271
Vancouver Argon-41 - - - - - - - - 50 19 24 -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13917 12704 13913 13322 13831 13207 13707 13600 13933 13942 14000 14365
Yellowknife Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
22180 18436 17663 16488 28191 29761 31065 31132 29920 30448 26500 23854
Regina Argon-41 - - - - - - x x x - - -
Xenon-133 - - - - - - x x x - - -
Xenon-135 - - - - - - x x x - - -
Total Air
KERMA
16790 14797 16564 16780 18326 18047 x x x 19603 19334 19367
Calgary Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12693 11302 12435 11984 13426 12983 13258 13420 13243 13642 13201 13299
Winnipeg Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13559 12051 12876 13256 14044 14051 15119 15466 14656 15305 15423 15907
Thunder Bay Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14726 13673 15045 14945 15674 15587 16722 16633 15829 16693 16656 16379
Montréal Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12587 11215 13038 12667 13047 12892 13604 13750 13165 13963 13491 13635
Charlottetown Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13959 12636 14374 15375 16116 15856 16795 16943 16053 16559 16002 16510
St. John's Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14654 14481 17180 18849 20622 20079 20961 20967 20013 20541 20105 20671
Whitehorse Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
25673 19635 19074 22248 28020 27277 28578 28688 27615 28987 22772 21222
Iqaluit Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17555 14379 14753 13433 16487 27391 32716 32502 32345 26600 16434 15027
Resolute Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
7511 6833 7225 6708 7180 8241 13338 13250 11703 9539 8531 7893
Haida Gwaii Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15577 14215 15323 15115 15865 15094 15911 15560 14751 14997 14800 15479
Saskatoon Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
22155 20255 21997 21352 22774 22489 23522 23644 23063 23818 22579 23201
Kelowna Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
29187 29406 32177 31462 32808 31437 32986 33420 33410 34283 32394 33856
Fredericton Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
33060 29211 33225 35969 37819 36787 38166 38359 36841 38131 36996 38045
Edmonton Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17388 14819 16367 16753 18546 18134 18623 19009 18728 19491 18340 18478
Edmundston Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12083 9788 10047 13274 15748 15772 16760 16964 16145 17010 15026 14888

Point lepreau system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Lighthouse Argon-41 7 9 - - - x - - - - - -
Xenon-133 - - - - - x - - - - - -
Xenon-135 - - - - - x - - - - - -
Total Air
KERMA
23139 21422 24350 24204 25127 x 27133 27681 26138 26493 25513 26013
Digby Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
35466 33272 35443 34410 35601 34723 36279 36378 35004 36128 34797 35991
Dipper Harbour Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
25163 21225 24846 26463 29029 29022 29887 30712 29059 29207 29120 29210
Emergency Centre Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
31157 21680 24203 40933 44176 43394 45273 45907 43779 44795 43249 44374
Saint John Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
23072 22122 23748 23120 23875 23215 24254 24354 23378 24291 23694 24654
Welch Cove Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16925 15033 16757 17556 18558 18577 20041 21196 19875 20174 19602 19539
Kingston NS Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17617 16980 18392 18104 18766 18345 19252 19361 18669 19256 18525 19025

Vancouver island system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Saanich Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12977 12032 12946 12580 13109 12722 13413 13510 13285 13377 12885 13340
Metchosin Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
19241 17845 19102 18536 19372 18859 19789 19935 19542 19734 19098 19817
Victoria Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
8018 7373 7810 7493 7804 7408 7755 7797 7802 8064 7891 8264
Nanaimo Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13691 12435 13400 12995 13553 12969 13489 13521 13337 13746 13502 14157
Sidney Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11546 10505 11259 11022 11733 11424 12287 12483 12306 11920 11355 11763

Halifax system - 2020

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
West Street Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
25711 24103 26104 25489 26262 25544 26621 26676 25636 26478 25776 26506
Dartmouth Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
21040 19763 21284 20922 21685 21336 22342 22685 21352 21836 21152 21666
Cole Harbour Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
20837 18624 19962 19598 20277 20107 21184 21613 20086 20458 19751 20222
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