No continued radiation from reactor 4

Tokyo - Japanese government spokesman Yukio Edano said Tuesday there was no continued release of high radiation from reactor number 4 of the Fukushima nuclear power plant, where an explosion occurred earlier in the day.

He said the cooling function of reactors 5 and 6 “seemed not to be working.” The cooling systems of the plant’s six reactors were wiped out by Friday’s magnitude-9 earthquake and the following tsunami. Technicians injected sea water into reactors 1 and 3 at the heavily damaged Fukushima nuclear power plant and that process was stable, he said.

It remained to be seen whether pouring sea water into the number 2 reactor worked smoothly, he added. Israeli expert warns about calamity An Israeli nuclear expert has accused Japan . of downplaying the danger of a nuclear calamity in the region of its quake-stricken Fukushima Daiichi plant. “If there is fallout of plutonium oxide, a most toxic substance that they use in the reactor that exploded, no one will be able to set foot on the site for thousands of years,” said Uzi Even, one of Israel’s most prominent nuclear scientists, who worked at the country’s Dimona reactor in the southern Negev desert.

“The Japanese aren’t telling the truth because of shame,” he told the Ma’ariv daily The Israeli chemistry professor believed the Japanese government was hiding facts. “In my assessment, the damage is liable to be far more extensive in scope than is being reported and for a very long period of time,” Even said. Even said he doubted that the core of one of the Fukushima Daiichi plant’s reactors which exploded twice could have remained intact, as he said had been reported by the Japanese. “Those reactors are old.

The core of a reactor that has been operated for 40 years is full of cracks, fissures and rust. The fact that the Japanese have been unable for four days to lower the high temperatures in the reactors is telling,” he said. Even charged Japan had also failed to report a switch to using highly toxic plutonium oxide last September. The former Israeli lawmaker of the left-liberal Meretz party urged the Israeli government also to take into account the ramifications of the incident in Japan. “The reactor in Dimona is old, it is almost 50, and its soft underbelly is its cooling system.

I’ve been warning for years about the need to close it and to build a new one,” he said. “While there isn’t any fear of a tsunami here, we do have to take external sabotage into account.”

click to enlarge An explosion at the Fukushima nuclear plant after Friday’s devastating earthquake in Japan caused a fire at the number-four reactor. © EPA/ABC TV