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Checked Baggage X-Ray Exposures
On a single pass, a TLD will see between 12-18 millirem, assuming the
pass-thru is relatively swift (I base this on having passed a Victoreen 451P
through a number of times. If the bag is held-on-alarm, or somewhere w/in
the scanner when another bag in the baggage stream is, it may see higher.
(You ask why I know this?, well my field install technicians, charged with
installing and trouble-shooting said machines, have a habit of leaving their
dosimeters in their lap-top bags and then using same as a test-object ;-)
Later next week, I'm actually testing a number of our badges, both Film and
TLD, against this. If you'd like, I'll share the data with you when
completed.
The Invision scanners see a slightly different energy level.
Andrew H. Auld; EH&S Coordinator
L-3 Communications Security & Detection Systems
2005 Gandy Blvd N Suite 600
St. Petersburg FL 33702-2166
(727) 369-4225 Direct
(727) 744-4090 Mobile
www.dsxray.com or www.L-3Com.com
"In God We Trust, Everyone Else We X-ray."
-----Original Message-----
From: Roy A. Parker [mailto:royaparker@COMPUSERVE.COM]
Sent: Wednesday, May 28, 2003 11:34 AM
To: RADSAFE
Subject: Checked Baggage X-Ray Exposures
Is there any data on exposures received by personnel monitoring badges,
film, TLD, and/or OSL, that have been in airline checked baggage which have
been x-rayed (not carry on bags thorough the concourse screening units).
Roy A. Parker, Ph.D.
roy@royparker.org
Tel: 225-924-1473
Fax: 225-924-4269
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