RE: Pet facility and F-18

["Daren Perrero" <dmperrero@email.msn.com>]

You may also need to adjust the source term if the administered dose is 5
mCi.  Given the half life involved and delivery schedules, you may need to
plan on more material being preset at the location.

Daren Perrero
dmperrero@email.msn.com
I'm with the government, I'm here to help you....


> -----Original Message-----
> From: radsafe@romulus.ehs.uiuc.edu
> [mailto:radsafe@romulus.ehs.uiuc.edu]On Behalf Of Sim Shanks
> Sent: Tuesday, November 03, 1998 12:21 PM
> To: Multiple recipients of list
> Subject: Pet facility and F-18
>
>
> We are in the process of installing a PET scanner.  At this time the only
> isotope to be used is F-18.  The average doses will be 5 to 6 mCi.  5
> patients / day.
>
> I am seeking shielding advice.  My calculations for most of the room (13 x
> 20 feet) require 1/4 inch lead shielding.  However, I have heard that some
> facilities have used as much as 1/2 inch of lead.
>
> What am I missing?  Please send responses to me at my e-mail
> address below.
>
> Thank you in advance.
>
> ------------------------------------------------------------------
> ----------
> --------
> Sim Shanks, RSO
> shankss@odrge.odr.georgetown.edu
> Georgetown University					(202) 687-4712
> Office of Environmental Health and Safety	fax 	(202) 687-5046
> 3900 Reservoir Road,  N.W.
> Washington DC  20007
>
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