From: Frazier, Alan
Sent: Tuesday, March 29, 2011 4:59 PM
To: Batkin, Joshua; Schmidt, Rebecca
Subject: Iso topic make up of spent fuel
Josh,
I believe this is for typical spent fuel (initially 5 percent enrichment) not MOX. Sorry for the late response.
Alan
From: Rahimi, Meraj
To: Frazier, Alan; Weaver, Doug
Cc: Ordaz, Vonna
Sent: Tue Mar 29 16:53:01 2011
Subject: RE: NEW Deadline 4:30pm Isotopic make up of spent fuel
Here is the inventory for isotopes more than one percent of total. I made a number of assumptions which I can let you know later:
Isotope Curies/MTHM %Total
SR 90 81300 7.84
Y 90 81300 7.84
RU106 71500 6.89
RH106 71500 6.9
CS134 96770 9.33
CS137 125000 12.12
Meraj Rahimi
Chief of Criticality, Shielding, and Dose Assessment Branch
Division of Spent Fuel Storage and Transportation
Office of Nuclear Materials Safety and Safeguard
U.S. Nuclear Regulatory Commission
6003 Executive Blvd., Suite 301
Rockville, MD 20852
Phone: 301-492-3338
Fax: 301-492-3348
e-mail: [email protected]
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