2013 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.
Legend
nGy (nanoGray)
KERMA (Kinetic Energy Released in Matter)
(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
(x)
Table of Contents
The tables below show the most recent dose data available from the FPS network. Data is normally updated quarterly. (Last update: Jan. 31st, 2014).
Gentilly System - 2013
Bruce System - 2013
Greater Toronto Area/Lake Ontario System - 2013
Darlington Perimeter System - 2013
Pickering Perimeter System - 2013
Ottawa Valley System - 2013
Regional System - 2013
Point Lepreau System - 2013
Vancouver Island System - 2013
Halifax System - 2013
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