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Re: NRC'S NEW PATIENT RELEAS

        Reply to:   RE>NRC'S NEW PATIENT RELEASE REGULATION

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Date: 13/02/97 8:17 PM
To: Mike Bohan
From: Medical Physics Mailing List

Hoy! Hoy!


    "WHAT'S AN EXAMPLE OF A RADIONUCLIDE WITH A LOWER RELEASE LIMIT?
     Iodine-125.  Release based on 30 mCi (1110 MBq) would be a violation.
     Release based on 5 mrem/hr (0.05 mSv/hr) would also be a violation."


If this is true, then do prostate implants go out the window???  A typical
prostate implant patient gets about 40 mCi of I-125.  Typical dose rates at 30
cm from the abdomen less than 0.5 mR/hr (0.005 mSv/hr). 

     "My company is developing SAFE RELEASE SOFTWARE"



And, what about the list's NO ADVERTISEMENTS policy???


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Michael J. Bohan, RSO   |  e-mail: mike.bohan@yale.edu
Yale-New Haven Hospital |    Tele: (203) 785-2950
Radiological Physics    |     FAX: (203) 737-4252
20 York St. - WWW 204   |    As usual, everything I say may be plausibly
New Haven, CT    06504  |    denied at my employer's convenience ...
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