Electronic Dosimeters accepted as Official Dose of Record

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

I would really appreciate hearing from NRC or state regulators regarding this, 

preferably:

Many years ago there was a push to allow an electronic dosimeter to be used for 

dose of record, in lieu of either a film badge, TLD badge or other accepted passive 

dosimeter. There was also an NRC statement that implied that the electronic 

dosimeter could be used (with the caveat that it also met all of the requirements that 

the current dosimeter met). The last part was lost on many. The NRC later clarified 

what was in the document, that was also distributed in response to a question from 

Siemens, UK, who wanted their EPD to be accepted as dose of record.



I am not aware of any regulatory position by the NRC or any state that allows the 

electronic dosimeter to be used as a dose of record device. 10CFR20 contains the 

following requirements for NVLAP accreditation (electronic dosimeters exempt since 

they have been deemed not processed) even though they all possess 

microprocessors where the facility can change the various parameters:



Part 20.1501:

(c) All personnel dosimeters (except for direct and indirect reading pocket ionization 

chambers and those dosimeters used to measure the dose to the extremities) that 

require processing to determine the radiation dose and that are used by licensees to 

comply with §20.1201, with other applicable provisions of this chapter, or with 

conditions specified in a license must be processed and evaluated by a dosimetry 

processor -- 

(1) Holding current personnel dosimetry accreditation from the National Voluntary 

Laboratory Accreditation Program (NVLAP) of the National Institute of Standards and 

Technology; and

(2) Approved in this accreditation process for the type of radiation or radiations 

included in the NVLAP program that most closely approximates the type of radiation 

or radiations for which the individual wearing the dosimeter is monitored.

So, my question is, are you aware of any regulatory body that allows the use of an 

electronic dosimeter as a dose of record, where no TLD, film or other passive 

dosimeter need be worn? If so, under what regulatory authority has this been 

permitted, i.e., document that can be obtained that states that NRC licensees, or 

state regulated programs, approve of this. 

Thanks for any information.





***************************************************************

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: sperle@icnpharm.com      

E-Mail: sandyfl@earthlink.net                      

                 

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

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



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