TEPCO starts up water treatment system, but massive radioactive waste feared, Mainichi, June 16, 2011:
[...] At the No. 2 reactor, a hydrogen explosion damaged the pressure suppression pool. According to analysis by the Nuclear and Industrial Safety Agency, there is a hole of about 300 square meters there. Therefore, in order to circulate cooling water through the reactor, either damaged parts would need to be repaired or the pool would need to be covered with something like a huge concrete structure. But it is difficult for workers to approach the reactor because radiation levels in the reactor building are so high. As a result, TEPCO has not even been able to confirm damaged spots.
A reader points out that in the Japanese version of this report, it says 300 square centimeters, not meters. See here.
Published: June 16th, 2011 at 8:44 am ET
- *UPDATE* Mainichi: Reactors No. 1 and 2 have holes up to 50 square CENTImeters, analysis says — Biggest hurdle now is filling with water — “Caused by hydrogen explosions” — Half million pounds of highly radioactive fuel inside reactors 1-3 December 9, 2011
- NHK: Gov’t experts suggest suppression chamber collapsed at Reactor No. 2 on March 14 — Tepco’s analysis “probably does not reflect what actually happened” July 14, 2012
- NHK: Suppression chamber “may have been destroyed” at Reactor No. 2 (VIDEO) March 28, 2012
- *NEW Dec. 1 Yomiuri* Gov’t Study: Reactor pressure vessel may be “tilted” after corium melted through concrete floor up to 200 cm deep November 30, 2011
- TEPCO: Excessively high radiation at Reactor No. 2 — Abrupt jump may be from leaking pressure chamber June 22, 2011