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Originally posted by TheRedneck
I always thought you needed ignition or high heat to start a fire. Guess I was wrong.
The Tokyo Fire Department stopped spraying water for the day after the smoke rose from the No. 3 reactor building. It will suspend the operation until safety at the site is confirmed
TEPCO subsequently found that white smoke was rising through a crack in the roof of the building that houses the No. 2 reactor at around 6:20 p.m. The utility said later the smoke is believed to be steam, not from the reactor's fuel pool.
Before the smoke was detected, external power had reached the power-receiving facilities of the No. 2 and No. 5 reactors on Sunday, clearing the way for the plant operator to restore systems to monitor radiation levels and other data, light the control rooms and cool down the reactors and their spent-fuel storage pools.
Monday, March 21, 2011
Spinach With Radiation 27 Times Higher Than Limit Found In Japan
TOKYO (Kyodo)--Spinach with radioactive iodine 27 times more than the government-regulated limit was found in the city of Hitachi in Ibaraki Prefecture, more than 100 kilometers south of the crippled Fukushima Daiichi nuclear power plant, but the radiation levels do not affect human health, local authorities said Sunday.
In 1 kilogram of spinach grown in open air in the city, 54,000 becquerels of iodine was detected, exceeding the 2,000 becquerel limit preliminarily set by the government under the food sanitation law, the Ibaraki prefectural government said.
The level of cesium in the spinach grown in the city was also higher at 1,931 becquerels, compared to the limit of 500 becquerels.
The level of iodine in the spinach grown in open air in Kitaibaraki city in Ibaraki, around 75 kilometers south of the nuclear plant, was 24,000 becquerels, 12 times more than the limit of 2,000 becquerels. A cesium level of 690 becquerels, 190 more than the limit, was also found in the spinach, which was taken for investigation Friday.
Originally posted by monica86
I don't trust TEPCO, but the guys at the NRC think none of the containment vessels are breached
NRC: Containment at 3 reactors in Japan currently intact, situation appears to be stabilizing By Associated Press, Monday, March 21 ROCKVILLE, Md. — The Nuclear Regulatory Commission staff says containment at three reactors at Japan’s crippled nuclear complex is currently intact and the situation at the plant appears to be stabilizing. 0The NRC met to get an update from staff on the ongoing crisis in Japan and devise a plan to meet President Barack Obama’s call for a comprehensive safety review at the 104 U.S. nuclear reactors. Bill Borchardt, the commission’s executive director for operations, says that units 1, 2 and 3 at the Fukushima Dai-ichi plant have some core damage but that containment for those three reactors is not currently breached. He says the situation at the plant appear to be on the verge of stabilizing. NRC staff is in Tokyo conferring with Japanese government and industry officials on the disaster. www.washingtonpost.com... l
Originally posted by lasertaglover
Thank you so much for those answers! But I am curious then why they were talking so much about the fuel rods in #2, as if there were more, or possibly more in danger, perhaps?
Originally posted by chr0naut
reply to post by Wertwog
If we had a squib explosion then it would be equivalent to the fallout from a small yeild A-bomb.
The Plutonium component would be very deadly as a condensed vapour.
Most fallout components are, fortunately, heavy and so don't remain in the atmosphere for long. It is unlikely that a radioactive plume would reach the United States due to the nature of fallout.
Where the fallout does fall, however, will be poisoned for a long time (nearly a century based on bomb tests & other accident data).
Hundreds of employees from the Tokyo Electric Power Company, which owns the disabled Fukushima Daiichi Nuclear Power Station, worked through the weekend to connect a mile-long high-voltage transmission line to Reactor No. 2 in hopes of restarting a cooling system that would help bring down the temperature in the reactor and spent fuel pool.
After connecting the transmission line on Sunday, engineers found on Monday that they still did not have enough power to fully run the systems that control the temperature and pressure in the building that houses the reactor, officials from the Japanese nuclear safety agency said.