Description of environmental source terms for Spanish NPP with PWR.
|Source term name||MA-SBO-173|
|Initiating event||STATION BLACKOUT – total loss of AC power|
|Description of scenario||Running out of batteries 24 h after accident initiation – dry out of SG's;
RPV failure – start of MCCI;
CONT not damaged – depressurization of CONT by filtered venting;
|Begin of release (after end of chain reaction)||32 h|
|Duration of release||48 h (first) + 14 h (filtered venting) + 12 h (last) = 74 h|
|133Xe||2 610.0 PBq|
|Radiological equivalent of 131I activitya||88.7 PBq|
Radiological equivalent of the 131I has been calculated according to INES (2009) methodology.
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