Japan Update Radiation concerns grow in Japan

Now Playing: Japan Update Radiation concerns grow in Japan

Description: Japan update From: CBS on 20 Mar 2011 www.youtube.com/watch?v=rxv1XSPIXlo Despite recent news of miraculous survival stories, Bill Whitaker reports that fears continue to intensify over the instability of nuclear reactor plants in Japan. ................................................. Unit 1 Coolant within Unit 1 is covering about half of the fuel rods in the reactor, and Japanese authorities believe the core has been damaged. High pressure within the reactor�s containment led operators to vent gas from the containment. Later, an explosion destroyed the outer shell of the reactor building above the containment on 12 March. There are no indications of problems with either the reactor pressure vessel or the primary containment vessel. Efforts to pump seawater into the reactor core are continuing. No precise information has been available on the status of the spent fuel pool. On 18 March, Japan assigned an INES rating of 5 to this unit. Further information on the ratings and the INES scale. On 19 March, the containment vessel pressure indication was restored. Unit 2 Coolant within Unit 2 is covering about half of the fuel rods in the reactor, and Japanese authorities believe the core has been damaged. Following an explosion on 15 March, Japanese officials expressed concerns that the reactor�s containment may not be fully intact. As of 19 March, 11:30 UTC, officials could no longer confirm seeing white smoke coming from the building. Smoke had been observed emerging from the reactor earlier. Efforts to pump seawater into the reactor core are continuing. No precise information has been available on the status of the spent fuel pool. On 20 March, workers began pumping 40 tonnes of seawater into the spent fuel pool. On 18 March, Japan assigned an INES rating of 5 to this unit. www.iaea.org/newscenter/news/tsunamiupdate01.html english.kyodonews.jp/news/japan_nuclear_crisis/ Tags: Japan update Education Radiation concerns grow in Japan
Added: 21-03-11 Views: (398)
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