Re: radium dial painters

[Bernard L Cohen <blc+@pitt.edu>]

On Tue, 28 Jul 1998, Mike McNaughton wrote:

> Dear RadSafers
> 
> how much dose did the radium dial painters receive (circa 1925)? I know
> this isn't a simple question. I have a graph attributed to J. Newell
> Stannard which indicates that for cumulative doses  of "1,000" or less,
> there were no cancers; but the graph has no units, e.g., this might be
> 1,000 rad CEDE, or local tissue dose, etc.

	The units are rad to the bone. Note that 1000 rad = 20,000 rem. A
reference is R.D.Evans, Health Physics 27:497-510;1974