[ RadSafe ] Radium history question - internal contamination-Busby contribution

[Busby, Chris]

You may find the attached interesting.

Sincerely

Chris Busby



-----Original Message-----
From: radsafe-bounces at agni.phys.iit.edu on behalf of Bjorn Cedervall
Sent: Fri 28/10/2011 16:54
To: RadSafers Forum
Subject: Re: [ RadSafe ] Radium history question - internal contamination
 

The order of magnitude here is one microgram (+/- a factor of 10) in the human body.
Martland, one of the physicians who examined the dial painters, said around 1925-30 that ten micrograms of radium is a lethal dose.