Neither the Japanese Nuclear Safety agency nor TEPCO will confirm the estimates of U. S. Energy Secretary Chu that there were 70% meltdown in one reactor and 30% in another.

The failure of Japanese government, Tepco and Japanese media to fully disclose information is frustrating, but on the other hand, where did Chu get those estimates?

Adding to gnu post- "A senior nuclear safety official says the crack could be one of the sources of radioactivity found in seawater near the water outlet." NHK. Is he saying that there are other sources?

Workers are testing the spraying of synthetic resin. Type?