Re: EPD's and RF

["Sandy Perle" <sandyfl@EARTHLINK.NET>]

John,



As Mike stated, the older electronic dosimeters, be they Siemens or 

MGP, all were negatively affected by RFI. The newer models do not 

exhibit this effect. Coincidentally, I am attending the MGP Users 

Meeting in Clearwater, FL, and, there have been many presentations 

demonstrating that previous problems, such as RFI and even angularity 

issues, have been eliminated with the newer models. I expect that 

this is also true for the newer Siemens EPDs.



There is data that demonstrates that welding leads still causes a 

problem when they are placed directly over the electronic dosimeter, 

even for the newer models. This of course is not the situation your 

dosimeter was exposed to. 

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

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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