[ RadSafe ] Radioactive coffee? .....NORM ?
jdaitken at sugar-land.oilfield.slb.com
Mon Oct 1 10:12:58 CDT 2007
There are some of us out here that might consider that both your test
samples are not really coffee.....
Doug (Blue Mountain Man - but known to enjoy Kona and Kawai ......)
At 08:50 AM 9/29/2007, Wes Van Pelt wrote:
>With the power of Radsafe, we can get to the bottom of this coffee
>question. I ask every Radsafer to get some coffee beans and look for
>radioactivity with whatever survey meter or radiological analyzer you have
>Here is my 5 minute research experiment using two 978 g cans of ground
>coffee (Folgers and Maxwell House).
>A. Put a calibrated 1x1 inch NaI scintillation probe with Ludlum ratemeter
>between the two cans of coffee.
> Without coffee cans: 9 microR/h
> With coffee cans: 9 microR/h
>B. Open one of the cans of coffee (Folgers) and place a thin window
>pancake GM probe at 1 cm from the solid coffee surface.
> Without coffee: 45 cpm
> With coffee: 45 cpm
>So, my coffee is completely non-radioactive. How about yours?
>Best regards, Wes
>Wesley R. Van Pelt, PhD, CIH, CHP
>Wesley R. Van Pelt Associates, Inc.
> > Would anyone happen to know what NORM there might be in coffee beans,
> to increase their GM count rate to several times background ? .....such
> is the result obtained by a friend with various coffees, in different towns.
> > Jaro
> > ^^^^
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Doug Aitken Cell Phone 713 562-8585
D&M Operations Support
Schlumberger Technology Corporation
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