抄録
Continued from the reports (III), (IV) and (V), variations of iodine concentrations 131I, 133I and 135I in the primary coolant during the load following operation of reactor are analyzed for surface contamination of UO2, existing cladding defects and happening of new defects.
These analyses show that various defects can be grasped at each condition and reactor operators are able to have the chance to detect the most unfavorable occurrence.