RE: Contaminated Lead Questions

[paul.l.ziemer.1@purdue.edu]

If any Radsafers have a response to Floyd Galpin's question on 

contaminated lead, I would appreciate being copied on it as well.

Thanks!

>TO: RADSAFE
>
>FROM: Floyd Galpin =
>
>     Rogers & Associates
>       Engineering Corp
>
>     Several weeks ago I saw an interchange on RADSAFE about 

contaminated=
>
>lead
>aprons and shielding materials designed for use in medical 

facilities.  I=
>
>didn't have a lot of
>interest at the time, and then I went on vacation.  Now I find I 

have nee=
>d
>for information on
>this occurrence.  I would be particularly interested in 

information on th=
>e
>following points.  =
>
>
>1. What was the radionuclide that was contaminating the lead?
>
>2. Was the source of the contamination ever determined, and if so 

what wa=
>s
>it?
>
>3. At what concentration, or range of concentrations did the 

contaminatio=
>n
>exist?
>
>4. What specific devices or materials were contaminated?  Was it 

only one=
>
>company's
>devices, or were several involved.
>
>5. I recall some "official" advisory that it was still better to 

use the
>shielding devices rather
>than do without shielding.  Who made this advisory and with what 

authorit=
>y?
>
>6. What would be the best source for follow up information?
>
>     If anyone has information on these questions please send me 

an e-mai=
>l
>directly to:
>fgalpin@compuserve.com.  Replies to RADSAFE are also OK if you 

think your=
>
>response is
>of general interest.

-------------------------------------
E-mail: ziemer@purdue.edu

Paul L. Ziemer, Ph.D.
Head, School of Health Sciences
Purdue University
W. Lafayette, IN 47907
Phone: 765-494-1435   FAX: 765-496-1377
-------------------------------------