Re[2]: Radium Painted Dials

["Jim Dunlap" <jim.dunlap@guardian.brooks.af.mil>]

To the second addressee above:  Mark Mays - can you help with this one?  Maybe 
the folks at AMARC (Bill Emmer, Etc.) could help as well.

______________________________ Reply Separator _________________________________
Subject: Re: Radium Painted Dials
Author:  radsafe@romulus.ehs.uiuc.edu at guardian
Date:    1/22/99 10:00 AM


At 03:18 PM 1/21/99 -0600, you wrote:
>Any suggestions on quantifying the radium activity found on the faces of
>gauges and dials from older instrument panels?  Also, any references
>regarding the composition of radium containing paints?
>
>Send  to:
>imaibm@nv.doe.gov

Consumer products containing Ra-226, no longer produced which have been
suplied to members of the public in the past and may still sometimes be
available in second hand  markets:
Ref: The Code of Practices - Regulatory Control of Consumer Products
containing radioactive substances - IAEA 1990
Time pieces Up to 200 kBq
Compasses Up to 200 kBq
Fluorescent lamp starter Up to 40 kBq
Lightning conductor Up to 40 MBq
Ionizing chamber smoke detector Up to 550 kBq

Old document on this subject for your search

Radiation Protection Standards for radioluminous timepieces, IAEA Safety
Series 23, 1967

A survey of luminescent clocks in households, Health Physics 28, 299, 1975

Radiation Exposure from luminous watch dials, Radiol. Health data, 4, 209, 1963

J. J. Rozental
<josrozen@netmedia.net.il>
Israel

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