March 12th, 2011 – RASCAL PAG Reports – 40% Fuel failure mimics TMI 2

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From: PMT02 Hoc
To: Jaczko. Gregory; Viroilio. Martin; McDermott. Brian; Rosenberg. Stacev; Watson. Bruce
Date: Saturday, March 12, 2011 10:45:32 AM

Sir,

Speculative cases ran using the RASCAL software include using the Oyster Creek site as a surrogate site for the following hypothetical scenarios:

[quote]

– Reactor coolant release without filtering and ground release through the building, no PAGs are reached,
– Reactor fuel 10% cladding failure without filtering and ground release through the building,
– Reactor fuel 10% cladding failure with filtering and elevated stack release, a fraction of the PAGs are achieved close in distance,
– Reactor fuel 10% fuel failure without filtering and ground release through the building, a fraction of the PAGs are achieved close in distance,
– Reactor fuel 10% fuel failure with filtering and elevated stack release,
– Reactor fuel 40% fuel failure without filtering and ground release through the building, mimics TMI 2

[/quote]

The data has only been released to DOE Nuclear Incident Team at NNSA and NARAC.

PMT Dose Analyst (PMT02)
NRC Operation Center


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