RE: Radium on Luminous Dial Watches

["Morgan, Ben" <ben.morgan@pgnmail.com>]

Otto,



Page 235 of the third edition of Eisenbud's "Environmental Radioactivity"

gives a range of 0.01 to 0.36 uCi. The reference cited is:



Seelentag, W., and Schmier, H.(1963). Radiation exposure from luminous watch

dials. Radiol. Health Data 4, 209-213.



Ben



ben.morgan@pgnmail.com



-----Original Message-----

From: Otto G. Raabe [mailto:ograabe@UCDAVIS.EDU]

Sent: Thursday, November 08, 2001 5:38 PM

To: radsafe@list.vanderbilt.edu

Subject: Radium on Luminous Dial Watches





November 8, 2001

Davis, CA



Does anyone know approximately how much Ra-226 was present on the face of a

typical radium-dial wrist-watch used during the first half of the 20th

Century?



Thanks....



Otto

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

		Prof. Otto G. Raabe, Ph.D., CHP

              Center for Health and the Environment (CHE)

		   (Street address: Building 3792, Old Davis Road)

		University of California, Davis, CA 95616

		Phone: 530-752-7754  FAX: 530-758-6140

		E-mail ograabe@ucdavis.edu

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