2018 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...
  • 6 nGy/month for Argon-41
  • 3 nGy/month for Xenon-133
  • 3 nGy/month for Xenon-135

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: January 31st, 2019).

Gentilly system - 2018

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
15674 12976 14979 17289 19508 19111 19945 20370 19616 20011 18122 15822
Port Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
7739 6310 5930 8009 8619 8855 9533 10005 9543 9711 8912 8112
Victoriaville Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15227 13300 16295 18712 20157 19770 20655 21313 20416 20629 19026 19148
Trois Rivières Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10444 8330 8417 11881 14064 13999 14812 15333 14589 14781 12920 9407
Québec City Argon-41 - - - - - - - - - - - x
Xenon-133 - - - - - - - - - - - x
Xenon-135 - - - - - - - - - - - x
Total Air
KERMA
7456 6421 7026 7985 8824 8776 9242 9635 9175 9275 8727 x

Bruce system - 2018

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
13147 12387 15087 15203 16879 17469 18769 18890 17375 18201 16752 16791
Scott Point Argon-41 - - - - - 6 - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
9830 8792 10826 10788 11715 11855 13216 13776 12220 13015 12393 12192
Kincardine Argon-41 - - - - - - - - - x x x
Xenon-133 - - - - - - - - - x x x
Xenon-135 - - - - - - - - - x x x
Total Air
KERMA
11373 11192 12992 13149 13920 13864 14845 15394 13676 x x x
Inverhuron Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11609 10354 12697 12633 13739 13703 14731 15280 14013 14859 14255 14297
Port Elgin Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10535 9667 12387 12246 13111 12978 13759 14257 13221 14111 13352 12982
Infocentre Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17533 16256 19507 18974 21017 22211 23611 23446 21995 22540 20666 20955
Tiverton Argon-41 - - - - - - - - x x x x
Xenon-133 - - - - - - - - x x x x
Xenon-135 - - - - - - - - x x x x
Total Air
KERMA
13579 13046 16011 16030 18150 18458 19609 19917 x x x x
Shore Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10168 9091 11805 12041 13088 13257 14588 15030 13616 14478 13454 13422

Greater Toronto Area/Lake Ontario system - 2018

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Scarborough Argon-41 - - - 6 - - 6 7 - 13 - 13
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11937 10541 11469 11221 11873 11686 12480 12992 12277 12518 12616 12454
Bowmanville Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15293 13449 16881 16406 17341 17389 18523 19585 17921 17975 17784 17370
Resources Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
9070 7942 8910 8662 9419 9360 10042 10400 9859 10003 9652 9529
St. Clair Avenue East Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11977 10694 11992 11763 12434 12255 12969 13558 12822 13009 12989 12680
Pickering Argon-41 17 9 - 8 28 20 41 30 34 17 28 11
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15552 13617 15716 15341 16317 16402 17332 17419 16584 16825 16487 16319
Oshawa Argon-41 11 - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12491 11181 13165 12975 13729 13693 14485 14616 14017 14165 13958 13848
Markham Argon-41 - 7 - - - - 11 - - 7 - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15716 13842 15836 15117 16356 16251 17124 17257 16776 17045 16445 16206
Ajax Argon-41 48 65 8 27 30 18 50 31 13 36 78 78
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
20122 17626 20989 20290 21403 22646 24396 24113 23510 23215 22339 21817
Port Hope Argon-41 - - - - - - - - - - - -
Xenon-133 - - - 4 - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
18523 16426 18936 18543 19858 19878 21151 21061 19630 19823 19876 19531
Hamilton Argon-41 527 466 174 218 254 277 519 747 318 345 398 403
Xenon-133 - 11 6 6 - - - 23 28 10 17 -
Xenon-135 - 6 - - - - - - - - - -
Total Air
KERMA
20479 21565 22843 21981 22798 22222 23668 24067 22301 22614 21808 22301
Kingston ON Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11982 11257 12084 12384 12578 12482 13108 13707 12915 13306 13064 13092
St. Catharines Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10399 9461 10057 10034 10496 10410 11031 11535 10965 11254 11052 10877

Darlington Perimeter system - 2018

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Blue Circle Cement Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - 4 - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12775 10996 14083 13826 14629 14833 15837 15952 15470 15559 15253 14769
Bowmanville Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15240 13241 16980 16636 17656 18136 19289 19167 18551 18576 18154 17687
South Service Road East Argon-41 - - - - - - - - - - 6 -
Xenon-133 - - - - - 4 - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13153 12404 18624 18171 19468 19811 21129 20918 20190 20280 19597 18816
Solina Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12586 11095 15981 15684 16531 16959 18176 17849 17393 17518 17185 16490
Osborne Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12330 10673 14159 13955 14756 14819 15709 15876 15258 15528 15279 14771
Courtice Treatment Plant Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16195 13549 16914 16539 17416 17657 18762 18670 18057 18063 17815 17416
Holt Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15539 13711 16898 16765 18151 18774 19870 20568 19168 18239 17547 17190

Pickering Perimeter system - 2018

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Montgomery Road Argon-41 954 679 59 198 719 480 806 731 269 600 277 471
Xenon-133 24 17 - 7 19 11 24 29 13 26 11 15
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14419 12381 14629 14475 15794 16476 18176 18333 17128 17096 16113 15742
Kinsmen Park Argon-41 186 148 64 32 155 202 533 301 258 232 234 93
Xenon-133 - - - - - - 12 8 8 5 5 -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15107 13124 15352 14551 15428 16312 17722 17708 17130 16850 16484 15711
Liverpool Road Argon-41 111 121 72 40 88 75 348 204 173 144 185 45
Xenon-133 - - - - - - 9 5 - 4 5 -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13494 11589 14470 14010 14739 15204 16448 16624 16006 16087 15427 15012
East Boundary Argon-41 394 399 40 108 219 112 331 215 61 268 432 489
Xenon-133 11 13 - 5 6 - 14 14 - 13 15 18
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
19328 16602 20141 19569 20998 21559 22931 22846 21750 21708 21101 20991
Central Maintenance Argon-41 217 356 83 162 328 350 859 666 162 474 215 161
Xenon-133 6 9 - 5 7 8 21 17 6 14 7 4
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
10474 9406 11251 11168 11939 12321 13521 13421 12356 12602 12336 11859
Beachpoint Promenade Argon-41 95 86 66 34 114 81 275 130 178 78 149 165
Xenon-133 - - - - - - 7 - 6 - 7 5
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
9929 8395 10919 10864 11220 11110 12037 12430 12007 12254 12051 11724
CMS Storage Yard Argon-41 562 732 82 294 816 577 1251 920 378 802 289 389
Xenon-133 16 22 - 9 23 15 36 28 11 27 8 11
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
9521 8345 9145 8829 10016 10890 12200 12279 11263 11738 10370 9900
Alex Robertson Road Argon-41 137 121 45 32 120 131 396 223 248 166 225 90
Xenon-133 - - - - - - 10 7 9 6 9 -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16694 13861 19232 18691 19754 20798 22928 22859 21961 21874 21020 20372

Ottawa Valley system - 2018

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Chapeau Argon-41 233 107 235 - - - - - - - - -
Xenon-133 7 - 6 - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15623 11268 13525 16926 20865 20736 23044 23205 22091 21720 19823 18611
Chalk River Argon-41 124 327 80 - x x x x - - x x
Xenon-133 - 10 - - x x x x - - x x
Xenon-135 - - - - x x x x - - x x
Total Air
KERMA
25916 21057 24825 26538 x x x x 32139 32924 x x
Deep River Argon-41 1137 1464 811 - - - - - - - - -
Xenon-133 29 38 21 - - - - - - - - -
Xenon-135 3 - - - - - - - - - - -
Total Air
KERMA
26328 21811 22507 23472 29334 28787 31023 30755 28985 29578 27848 26181
Ottawa Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
9589 8455 10201 10719 11257 11129 11752 11908 11553 11567 10850 10908
Petawawa Argon-41 179 161 403 - - - - - - - - -
Xenon-133 - - 9 - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17702 12954 16063 20213 24315 23736 25035 25276 24272 24619 22332 19508
Sheenboro Argon-41 681 881 1009 - - - - - - - - -
Xenon-133 19 26 28 - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
19669 15491 17942 19433 24394 23851 25577 25875 24660 24922 22575 19819
Westmeath Argon-41 52 39 x x x x x x - - - -
Xenon-133 - - x x x x x x - - - -
Xenon-135 - - x x x x x x - - - -
Total Air
KERMA
18043 13413 x x x x x x 23787 23748 21736 20474

Regional system - 2018

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Amherstburg Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - 4 - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16299 14030 15907 15777 16619 16534 18364 18459 17867 17424 16531 16830
Vancouver Argon-41 - - - - 34 38 49 76 16 11 24 -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
14189 12184 13954 13285 13911 13563 13995 14510 13796 14347 14176 14413
Yellowknife Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
19496 15956 16803 16420 26495 26859 27506 27729 26873 27963 21626 20312
Regina Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
19237 16038 16802 16204 18617 18472 19401 20230 19111 19679 18638 18199
Calgary Argon-41 x x x x - - - - - - - -
Xenon-133 x x x x - - - - - - - -
Xenon-135 x x x x - - - - - - - -
Total Air
KERMA
x x x x 13211 12997 13907 13740 14266 14174 13329 13369
Winnipeg Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13736 12260 12842 12808 14034 13854 14385 14711 14380 14316 13576 14432
Thunder Bay Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15136 13582 14568 14424 15491 15176 16194 16472 16125 16504 15481 16110
Montréal Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
11981 11170 12250 12377 12999 12906 13430 13846 13168 13656 13070 13397
Charlottetown Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15349 13706 15090 15269 15932 15525 16386 16832 16011 16623 15124 15799
St. John's Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17994 18205 19298 19836 20676 20052 20684 20952 20241 20844 20166 19319
Whitehorse Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
24503 20081 19742 21781 27039 26739 27983 27980 27768 28257 26206 26570
Iqaluit Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
15046 13218 13730 11546 12618 22054 32978 30876 30354 30170 27838 23113
Resolute Argon-41 - - - - - - - - - - - x
Xenon-133 - - - - - - - - - - - x
Xenon-135 - - - - - - - - - - - x
Total Air
KERMA
13162 11826 12682 12257 12338 13068 18077 18558 17359 16061 14788 x
Haida Gwaii Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16328 14337 15731 15277 16360 15397 17415 18425 16659 16462 15658 16502
Saskatoon Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
23401 19692 21744 21502 22688 22099 23064 23569 22962 23805 23381 24189
Kelowna Argon-41 - - - - - - x - x - - -
Xenon-133 - - - - - - x - x - - -
Xenon-135 - - - - - - x - x - - -
Total Air
KERMA
28945 26186 31554 31532 33168 32249 x 34688 x 34757 32581 33075
Fredericton Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
31594 26912 32255 33909 36155 35193 36434 36688 35512 36659 34643 35158
Edmonton Argon-41 - - - x x x - - - - - -
Xenon-133 - - - x x x - x - - - -
Xenon-135 - - - x x x - x - - - -
Total Air
KERMA
19017 14805 17155 x x x 20680 x 18530 19030 18613 18321

Point Lepreau system - 2018

Dose Data (nGy/month)
Station Nuclide JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Lighthouse Argon-41 - - - - - - - 9 - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
22581 20761 23567 24094 24965 25379 26412 26794 26135 26648 24676 24895
Digby Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
36079 33412 36574 35706 36840 35920 37047 37422 36161 37564 36121 36951
Dipper Harbour Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
24728 21561 24611 26243 29536 29433 29975 30108 29335 29506 27416 28084
Emergency Centre Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
32463 24474 25551 36883 43905 42869 44953 44960 43709 44724 38774 40593
Saint John Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
23787 21638 23485 23266 23868 23322 23854 24269 23445 24590 23251 24246
Welch Cove Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
16035 14388 15745 17009 18212 18404 19136 19594 19214 19509 17696 18072
Kingston NS Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
17652 16887 17778 18230 18762 18329 18935 19239 18524 19344 18341 18733

Vancouver Island system - 2018

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
17652 16887 17778 12358 12814 12623 13272 13111 12943 13589 12700 13132
Metchosin Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
18383 16496 18208 17710 18386 18142 19071 19189 18551 19265 18253 18930
Victoria Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
7973 7061 7679 7541 7578 7316 7671 7693 7585 8203 7765 8125
Nanaimo Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
13553 11979 13446 12961 13166 12777 13305 13318 13104 13833 13313 14054
Sidney Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
12132 10457 11651 11353 12053 12036 12762 12890 12188 13833 11445 11891

Halifax system - 2018

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
25402 23597 25550 25325 25952 25296 26010 26229 25463 26588 25445 26026
Dartmouth Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
20537 19479 20970 20935 21605 21227 21990 22476 21674 22337 21240 21571
Cole Harbour Road Argon-41 - - - - - - - - - - - -
Xenon-133 - - - - - - - - - - - -
Xenon-135 - - - - - - - - - - - -
Total Air
KERMA
20565 19481 21240 21122 21870 21663 22519 23048 22330 22623 21503 21735
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