Re: Radiation Units

[Bernard Cleyet <anngeorg@PACBELL.NET>]

I add:  rem is Röntgen equivalent man, obtained by quality factor * rad
 some confusion as RBE also used (relative biological effect).  The QF
varies with the type of radiation and with energy.

see: http://www.fda.gov/ora/inspect_ref/itg/itg44.html

for better definitions and a conversion table.

Marie Curie also died from radiation exposure.

bc




Ludwik Kowalski wrote:

> Hi Tina:
> Let my try to make sense out of it. Historical approach is
> probably the best in this case. I will not consult books for
> numbers or conversion factors.
>
> 1) It started in 1920's when it was discovered that, on the
> average, English radiologists died earlier than other doctors.

cut