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Japanese Nuclear Disaster: Live Report from Japan and Breaking News
U.S. raises new alarm over Japan nuclear crisis
Temperature of Spent Fuel Pools at Fukushima Daiichi Nuclear Power Plant According to IAEA
The spent fuel pools are usually kept below 25C
Unit 4
14 March, 10:08 UTC: 84 ˚C
15 March, 10:00 UTC: 84 ˚C
16 March, 05:00 UTC: no data
Unit 5
14 March, 10:08 UTC: 59.7 ˚C
15 March, 10:00 UTC: 60.4 ˚C
16 March, 05:00 UTC: 62.7 ˚C
Unit 6
14 March, 10:08 UTC: 58.0 ˚C
15 March, 10:00 UTC: 58.5 ˚C
16 March, 05:00 UTC: 60.0 ˚C
Top US Officials: Japan Nuclear Reactor #4 Completely Breached, In Full Meltdown, Releasing Lethal Radiation – US Expands Evacuation Area To 50 Miles According to Testimony today extremely high levels of radiation have been released BEFORE today.
Officials are now reporting extremely high levels or radiation are now being released. Spent fuel rods are exposed and this disaster has taken a turn for the worse.
Official: Spent fuel rods exposed, heightening concerns
Tokyo (CNN) — Spent fuel rods in Unit 4 of Japan’s stricken Fukushima Daiichi nuclear plant have been exposed, resulting in the emission of “extremely high” levels of radiation, the head of the U.S. Nuclear Regulatory Commission said Wednesday.
“What we believe at this time is that there has been a hydrogen explosion in this unit due to an uncovering of the fuel in the fuel pool,” Gregory Jaczko told a House energy and commerce subcommittee hearing. “We believe that secondary containment has been destroyed and there is no water in the spent fuel pool, and we believe that radiation levels are extremely high, which could possibly impact the ability to take corrective measures.”
The water served to both cool the uranium fuel and shield it. But once the uranium fuel was no longer covered by water, its zirconium cladding that encases the fuel rods heated, generating hydrogen, said Robert Alvarez, senior scholar at the Institute for Policy Studies and a former official with the Department of Energy.
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