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Check Source Identification

To: radsafe@list.vanderbilt.edu
Subject: Check Source Identification
From: Christopher Blasio <Christopher.Blasio@grc.nasa.gov>
Date: Thu, 26 Sep 2002 14:16:15 -0400
Reply-To: Christopher Blasio <Christopher.Blasio@grc.nasa.gov>
Sender: owner-radsafe@list.vanderbilt.edu

Recently, I was asked to assist another federal agency in the Cleveland area in dealing with, what is thought to be, an unknown instrument check source. I am looking for a definite identification of this small source and it's manufacturer. Here's its description:

Metallic disk, approximately 0.5" diameter and 0.25" thick. (looks like a big watch battery)
Writing: "RA 3 25" on one side

"FA 7063" on other
Exposure Rate: approx. 40 mR/hr at 1 cm (meter calibrated to Cs-137)

I'm guessing it might contain radium, with the writing above being its model and serial number respectively, but, I would appreciate anyone with a definite ID of this source. They did not have any information regarding the make/model of the instrument this source was taken from.

Christopher J. Blasio CIH, CSP
Environmental Management Office
John H. Glenn Research Center
Mailstop 6-4
21000 Brookpark Road
Brookpark, Ohio 44135
(216) 433-6520
Christopher.Blasio@grc.nasa.gov

Follow-Ups:
- AW: Check Source Identification
  - From: "Franz Schoenhofer" <franz.schoenhofer@CHELLO.AT>
- AW: Check Source Identification
  - From: "Franz Schoenhofer" <franz.schoenhofer@CHELLO.AT>

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