[ RadSafe ] [External] Conversion Bq-Sievert

Palmer,Matthew R. (BIDMC - Radiology) mpalmer at bidmc.harvard.edu
Sun Feb 3 13:08:41 CST 2019


You want to calculate the effective dose (expressed in Sv) from the consumption of these radionuclides.  The Health Physics Society has a really good discussion and worked example for exactly this.

Matt Palmer

-----Original Message-----
From: RadSafe <radsafe-bounces at health.phys.iit.edu> On Behalf Of Theo Richel
Sent: Sunday, February 3, 2019 11:43 AM
To: The International Radiation Protection (Health Physics) Mailing List <radsafe at health.phys.iit.edu>
Subject: [External] [ RadSafe ] Conversion Bq-Sievert

Could anyone please help me with the conversion of Bequerels to Sieverts?  I don’t feel safe to do it. As a journalist I am writing about the late Eben Byers who died in 1932 after swallowing - as he said 1400 bottles of Radithor of which each bottle contained 74 kBq (half radium 226 and radium 228). He swallowed it during 3 years, and then lived/suffered for 2 years until his death. 30 years after his death Robley Evans analysed his remains and concluded that Byers bones contained 225 kBq. Expected was about a 100 so Byers may have underreported his consumption. That being what it is I would like someone  someone to calculate from this 225kBq Byers lifetime dosis in Sieverts. I am  building a website  (popular, in Dutch) with the aim to fight  radiofobia and that requires imho t'hat I keep the usage of units limited and as uniform as possible. Anyone?

Many thanks

Theo Richel
The Netherlands
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