[ RadSafe ] Radioactive coffee? .....NORM ?

[Doug Aitken]

Wes:
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:
>Radsafers,
>
>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 
>handy.
>
>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.
>
>Jaro wrote:
> > 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
QHSE Advisor
D&M Operations Support
Schlumberger Technology Corporation