Fukushima Daiichi No. 2; Suppression Pool

Much misinformation about the pressure suppression chamber feature of Boiling Water Reactors in the press... this feature is NOT for normal pressure control at all, but rather is connected to the outside of the drywell, which is OUTSIDE the reactor vessel. Its purpose is to suppress the surge of external pressure in case of a serious breach of the primary.

Here is our WASH-1250 diagram remarked to show what this looks like and which gives some details.




CABINET SECRETARY EDANO admits, 10:19 PM Eastern 3/14 Monday that damage to the primary coolant system of the No. 2 plant is likely.