So, from this morning's news, looks like Nos 5 and 6 are being cooled by two emergency diesels. As per Sylvain's posts, power lines have been run into No 2, but they have not yet succeeded in reconnecting power (just yet - a few minor problems by the sound of it - they had to run the lines in darkness). Once they get power to No 2 it will act as a hub for No 1 as well.
Nos 3 and 4 would then seem to be the biggest problems. From the Washington Post:
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Chief Cabinet Secretary Yukio Edano said the renewed attempts to regain control of Fukushima Daiichi had shown signs of success at the plant’s No. 3 nuclear reactor, the highest priority for officials aiming to cool spent fuel rods that have begun spewing radioactive material into the atmosphere. But he acknowledged that the gains could be temporary.
“As of now, we cannot say anything definite, but we think we have succeeded in putting a certain level of water in Unit 3, and we think that it is in a certain stable situation,” Edano said at a news conference. “We have been able to prevent the situation from worsening . . . but I believe we are reaching a big turning point.”
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It seems as though they don't have reliable info on the water and temperature levels at Nos 3 or 4.
From the SMH:
Quote:
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Prime Minister Naoto Kan said the situation remained ''very grave'' as forecasts indicated changing winds could blow radioactive material closer to Tokyo by tonight.
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Radiation levels (from IAEA):
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The Japanese Ministry of Health, Labour and Welfare informed the Agency that radiation levels exceeding legal limits had been detected in milk produced in the Fukushima area and in certain vegetables in Ibaraki. The Ministry has requested an investigation into the possible stop of sales of food products from the Fukushima Prefecture.
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I wouldn't be drinking milk for a while. Spinach is also off the menu.
Rgds