福島第一原発事故 ~地震･津波メルトダウン~Fukushima -NPS Accident ~ ~ 2011 3 29 2011 3 28 Type of Containment Vessel BWR (Pressure suppression pool ) PWR Large Drywell Improved-Mark PCV Leakage through Flange 0 Lowest Leak Criteria 1.7 0 upper Leak Criteria Limit Pressure 4.35 3.92kgf/cm2 Limit Temperature 138 300 0.5% 2 1 3.92kgf/cm2 138 250 300 AM AM - 3 PCV 3 1979 10
