413 cubic meters of nitrogen was injected into the Unit 1 reactor vessel raising the pressure 8 fold which confirms the vessel is intact. More nitrogen will be added over the next few days. Plans are being made to do the same for Units 2 and 3 but there are indications that these vessels are not holding pressure which changes the scenario for where the hydrogen could be collecting.
300 tons (~79,000 gallons) of contaminated water remains to be released which will get them a step closer to pumping out the reactor buildings and tunnels. The plants configuration doesn’t allow them to pump directly from the reactor building to the empty storage tanks. The water will be staged into the condenser, condensate storage tank, and suppression pool surge tank.
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