(5) high density racks in Units 2 and 3 spent fuel pools increase the probability of accidental criticality as degradation of materials occurs and break up of pool during a seismic event;
(5) high density racks in Units 2 and 3 spent fuel pools; increase; the probability of accidental criticality; T:as degradation of materials occurs and break up of pool during a seismic event) (degradation of materials; occurs; )
5) high density racks in Units 2 and 3 spent fuel pools degradation of materials
increase occurs
the probability of accidental criticality T:as degradation of materials occurs and break up of pool during a seismic event