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Re: Dosimeters with low activity neutron sources



On 31 Jan 2003 at 11:24, Rob Gunter wrote:



> Using the inverse square law, it is easy to see how a couple of mr at 1 meter

> translates into hefty doses on contact.



Rob hit many key points:



1. First point is that there should be adequate training, whereby the 

individual working in a radiation envirom=nement, is cognizant about 

what they are working with. Understanding simple laws of physics 

certainly goes a long way.



2. Know what your dosimeter can detect and accurately measure. A TLD 

and/or a CR39 can accurately detect and report neutron dose from both 

the thermal range up to about 5.5 MeV (TLD) and up to the 10 - 20 MeV 

range using the CR39. Again, it's all physics.



Thanks Rob for your comments.

-------------------------------------------------

Sandy Perle

Director, Technical

ICN Worldwide Dosimetry Service

ICN Plaza, 3300 Hyland Avenue

Costa Mesa, CA 92626



Tel:(714) 545-0100 / (800) 548-5100  Extension 2306

Fax:(714) 668-3149



E-Mail: sandyfl@earthlink.net

E-Mail: sperle@icnpharm.com



Personal Website: http://sandy-travels.com/

ICN Worldwide Dosimetry Website: http://www.dosimetry.com/



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