[ RadSafe ] Disposal via Decay in Storage
crispy_bird at yahoo.com
Fri Nov 11 11:42:16 CST 2005
And the reason is many of the radionuclide have short
half-lives. In medicine we do not have to deal with
transuranics, with the exception of depleted uranium
in teletherapy machines that are used as shielding.
--- ROY HERREN <royherren2005 at yahoo.com> wrote:
> A few hundred counts on the floor or work bench
> is a big deal to the NRC, but God forbid that they
> should ever go do a survey in the patients restroom.
> The kidneys and the bladder do a great job of
> filtering out foreign material such as Tc-99M. If
> the average bone scan Tc-99m patient is dosed with
> 25 mCi how much goes down the drain in the first
> hour while the patient is awaiting uptake prior to
> imaging? Simple answer...a lot. I have personally
> seen an incontinence pad set off a land fill monitor
> at over 25 feet away.
> Safe to say, Nuc Med is a world away from the
> Health Physics of Nuclear Power.
> Roy Herren
> "McMahan, Kimberly L." <mcmahankl at ornl.gov> wrote:
> Not to be too contrary, but we DO have people
> walking around "hot." I
> suppose it's that age-old difference between the
> medical definition of
> "hot" and everyone else's. =]
> Kim McMAHAN
> Oak Ridge National Laboratory
> External Dosimetry 865.576.1566
>. . .
On Oct. 5, 1947, in the first televised White House address, President Truman asked Americans to refrain from eating meat on Tuesdays and poultry on Thursdays to help stockpile grain for starving people in Europe.
John Jacobus, MS
Certified Health Physicist
e-mail: crispy_bird at yahoo.com
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