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Re: Equine Radiography
Dear Franz, good remark!
A few days ago I gave almost the same message when I wrote about the key
words to take into account connected to Safety Culture: Does not matter the
event, every attitude must be accord with the significance and commensurate
with the importance. The important key words are: attention, significance,
commensurate with the importance.
Recently many of the topics are really out of the above scope, in my
opinion, however democracy is democracy!
The reason to agree with you is to mention the recent ICRP's report:
Protection of non-human species. I recommend a study in the document, as a
draft for consultation, downloadable at
http://www.icrp.org/draft_nonhuman.htm, ICRP requests comments until 15
December 2002
"ICRP welcomes any contribution to this report. If you wish to offer your
comments, please send them to the Scientific Secretary of ICRP, Dr Jack
Valentin, at scient.secretary@icrp.org (postal address ICRP, SE-17116
Stockholm, Sweden; fax +46 8 729 729 8). If you comment on behalf of several
persons, or on behalf of an organisation, please say so! Your comments must
be in our hands by 15 December 2002 in order for us to be able to take them
into account."
Jose Julio Rozental
joseroze@netvision.net.il
Israel
----- Original Message -----
From: Franz Schoenhofer <franz.schoenhofer@CHELLO.AT>
To: Bill Ulicny <bulicny@scainc.com>; <radsafe@list.vanderbilt.edu>
Sent: Tuesday, October 15, 2002 1:08 PM
Subject: AW: Equine Radiography
-----Ursprüngliche Nachricht-----
Von: owner-radsafe@list.vanderbilt.edu
[mailto:owner-radsafe@list.vanderbilt.edu]Im Auftrag von Bill Ulicny
Gesendet: Dienstag, 15. Oktober 2002 20:34
An: radsafe@list.vanderbilt.edu
Betreff: RE: Equine Radiography
I have recently had occasion to observe radiological protection practices at
a "large animal" veterinary hospital (focus on equines). The majority of
films required not only a technician to hold the film in place, but another
to steady the horse, and a third to aim and shoot the beam. The beam
operator received the least dose, the animal "steadier" received the next
least, and the film holder received the most.
The film holder used a lead-lined glove. An extension rod was available,
but it did not allow the user to hold the film steady and keep the film
cartridge from startling the horse. The site rotated worker positions
throughout the day to distribute the dose.
It is an interesting health physics situation, and one that is not normally
associated with medical x-rays. However, I have also recently observed
pediatric x-ray procedures, and similar worker exposure situations can be
found. An added obstacle is that sometimes the owner or parent has to be in
the room to steady the animal or child, respectively.
Bill Ulicny
SC&A
-----------------------------------------
The two mails on equine radiography were a really good example, how
"radiation protection" and ALARA is executed in reality. And we "quarrel" at
RADSAFE about microSv and nanoSv per year, a few Bq of Rn per m3, about
hormesis and LNT!!!!!
Best regards,
Franz
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