Aircrew and Spacecrew Radiation Exposure - media.cns-snc.ca
Aircrew and Spacecrew Radiation Exposure - media.cns-snc.ca
Aircrew and Spacecrew Radiation Exposure - media.cns-snc.ca
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• Daily <strong>Exposure</strong>s<br />
Typi<strong>ca</strong>l <strong>Exposure</strong>s<br />
– 150 – 200 μGy/d (solar max) (2 x greater at solar minimum)<br />
– 25 mGy or ~ 60 mSv for 140 days (CNSC terrestrial limits are 20 mSv/y)<br />
– Dependent upon where you spend your time/sleep/timing/altitude etc.<br />
• SPE Doses (IVA)<br />
– Highly variable<br />
• Small events ~100– 200 μGy ( ~ 300 μGy @ TEPC/Lab Fwd)<br />
• Large events ~ 10 – 20+ mGy (Jul 2000 estimate ~6 mGy @ Node1)
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