This is all I have. It came in on Reuters “comments.” I want this to be right. If the workers are on site, there is a chance that meltdown can be avoided.
Japan nuclear agency: Evacuation order of plant workers lifted at 0230 GMT after radiation falls
This came in later —
I am very pleased.
James Pilant
Workers at a quake-damaged atomic power plant briefly suspended operations and evacuated Wednesday after a surge in radiation made it too dangerous to remain there, dealing a setback to Japan’s frantic efforts to stem a nuclear crisis.
Chief Cabinet Secretary Yukio Edano said work on dousing the overheated reactors with water was disrupted by the need to withdraw.
“All the workers there have suspended their operations. We have urged them to evacuate, and they have,” Japan’s chief cabinet secretary, Edano said, according to a translation by NHK television.
The workers were allowed back into the plant after almost an hour when the radiation levels had fallen.
It’s possible that evaporation from reactor No. 3 may have caused the temporary surge, Edano said, although that can’t be immediately confirmed.
Pilant's Business Ethics Blog 
Good Afternoon, I have been watching the events in Japan and have been praying for the people and the situations too. I was wondering if anyone thought about the use of dry ice or dry ice pellets that could be used or dropped into the reactors that could possibly create some cooling. It would have to be large amounts of dry ice. If the 50 workers could be evacuated from the plant then many helicoptors could possibly be used to drop or pour dry ice into the hot reactors, but again it would have to be alot of dry ice.
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