Re: Help needed

[Alan Watts <wattsa@ohio.edu>]

oops, responded to the wrong message - older smoke detectors have ~ 15 uCi 

of Am-241 and are easily detected



--On Monday, December 08, 2003 2:34 PM -0800 john grant 

<grantjoh@pacbell.net> wrote:



> I volunteer at the Museum of American Heritage in Palo Alto,

> California.  I am planning an exhibit on: Radiation in Everyday Life.

>

> I have an Eberline 14SA meter.  I plan to have this meter set up near

> several everyday sources of radiation, such as, a quantity of Morton

> Lite Salt ( 275 cpm ), a green glass measuring cup ( 200 cpm ), a Kodak

> Cheveron camera made about 1954 ( 400 cpm ) and a Coleman type lantern

> mantel ( 10,000 cpm ).

>

> I am trying to find a piece of Fiesta ware and some decorative tiles to

> add to the collection.

>

> I have heard Brazil nuts mentioned on this list but the nut meats I

> found did not measure above background.  Would nuts with shells read

> higher?  I am looking for things that are clearly above background.

>

> Any suggestions on other, easy to find, items are welcome.

>

> My objective is to show people that radiation is around them all the

> time so if a dirty bomb is used in the area they will not panic over a

> tiny amount of extra radiation.

>

> John Grant

>

>

>

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