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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