[ RadSafe ] RE: ECRR
crispy_bird at yahoo.com
Mon Aug 14 10:04:29 CDT 2006
With a half-life of 53 days, why could cosmogenic Be-7
not be found in the Great Lakes? Was there an isotopic
breakdown of beryllium in the Great Lakes?
--- "Johansen, Kjell" <Kjell.Johansen at nmcco.com>
> I followed the links provided for the review of the
> ECRR - 2003
> recommendations. I stopped reading when the
> document referred to the
> eminent Canadian scientist Dr. Rosalie Bertell. Dr.
> Bertell was a
> Canadian member of a working group sponsored by the
> Joint Commission on
> the Great Lakes to produce two reports on
> radioactivity in the Great
> Lakes. Although there was some good information in
> the reports, one of
> the conclusions of this report was that nuclear
> power plants were
> responsible for the Be-7 found in the Great Lakes
> enviornment. The Be-7
> was linked to berylliosis. When I talked to another
> Canadian member of
> the working group, I was told that cosmogenically
> produced Be-7 has too
> short a half-life to be deposited in the Great
> Lakes. So much for the
> scientific merit of those reports and those who were
> responsible for the
> The above is my opinion and may not represent the
> opinions of my
> Kjell Johansen
> kjell.johansen at nmcco.com
>From an article about physicians doing clinical studies:
"It was just before an early morning meeting, and I was really trying to get to the bagels, but I couldn't help overhearing a conversation between one of my statistical colleagues and a surgeon.
Statistician: "Oh, so you have already calculated the P value?"
Surgeon: "Yes, I used multinomial logistic regression."
Statistician: "Really? How did you come up with that?"
Surgeon: "Well, I tried each analysis on the SPSS drop-down menus, and that was the one that gave the smallest P value"."
John Jacobus, MS
Certified Health Physicist
e-mail: crispy_bird at yahoo.com
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