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Re: Radium dial watches



Date: Mon, 12 Nov 2001 13:17:18 -0800

From: "John Johnson" <idias@interchange.ubc.ca>

Subject: Re: Radium dial watches



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Radium dial watchesI have a similar experince. I had a which with a =

radium dial as an undergraduate, but I don't know what the dose rate =

was. I stopped using it to tell time when I became a graduate student in =

a nuclear physics lab at UBC.=20



I donated the watch to the lab and we used it for a check source!

=20

_______________________

John R Johnson

4355 West 9th Ave.

Vancouver, B. C.

V6R 2E2

(604) 222-9840

idias@interchange.ubc.ca



  Message -----=20

  From: Johansen.Kjell=20

  To: Radsafe (E-mail)=20

  Sent: Monday, November 12, 2001 9:35 AM

  Subject: Radium dial watches





  Many years ago, 1960 to be exact, I received an Omega watch for HS =

graduation.  I wore it all the time except for showers, swimming, etc.  =

While at grad school at Michigan in the late 60s, I found it convient to =

use the watch to check the NaI xtal for our gamma spectrometer.  I got =

curious as to the dose to my left wrist and decided to run a test.  I =

visited the RP office and told them what I would like to do and they =

supplied a film packet for a film badge to measure the exposure. I =

wrapped the film is Al foil and Saran wrap to protect it from light and =

moisture.  After one month the film was sent in for processing.  The =

Landauer evaluation was contaminated, 1000 mrem. =20



  Kjell Johansen=20

  Environmental Specialist=20

  Point Beach Nuclear Plant=20

  kjell.johansen@wepco.com=20