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Japan Plant Had Troubled History
Keywords:
The Daiichi Fukushima nuclear reactors are of a older 1970's design. A Wall Street Journal analysis of the safety record at the plant shows a safety record that is worse than other nuclear plants in Japan. Experts say the maintenance practices at the plant contributed to the nuclear meltdown. In the US spent fuel is retained in the nuclear reactor vessel during maintenance. At TEPCO's Fukushima plant the spent fuel is removed from the plant during maintenance and depends mainly on cooling water to keep the heat from building up. The additional protection of the reactor vessel is not present if something were to go wrong, as happened with the earthquake and tsunami.
Failure of redundant safety systems at the Fukushima Daiichi nuclear plant in Japan
03/14/2011
Questions this raises for future designs of nuclear plants and for the safety of nuclear plants in other countries.
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Nuclear Industry Likely to Reassess Safety Systems
Wall Street Journal 03/14/2011
U.S. Calls Radiation âExtremely Highâ and Urges Deeper Caution in Japan
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Design of G.E.'s Mark 1 Nuclear Reactors Shows Weaknesses
New York Times 03/15/2011
Spent Fuel Rods at Plant Pose Big Risk
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Deconstructing the Japanese Nuclear Plant Design
New York Times 03/19/2011
Lessons From Chernobyl for Japan
New York Times 03/19/2011
Storage of spent radioactive fuel rods at the Fukushima nuclear plant
03/17/2011
The TEPCO nuclear plant in Fukushima, like nuclear plants in the U.S., stored radioactive spent nuclear fuel rods at the plant. China stores the rods at a remote location in its western Gansu region. Germany stores them at a separate location. These rods contain a greater portion of all the radioactive material, more than the nuclear reactor core. This has become a big part of the problem at Fukushima.
Grouped Articles
Greater Danger Lies in Spent Fuel Than in Reactors
New York Times 03/17/2011
Japan Plant Had Troubled History
Wall Street Journal 03/21/2011
Japan Passes Law Supporting Tepco
New York Times 08/03/2011
Nuke-Free Germany Isn't Exactly Nuke-Free
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Tepco Gets Bailout, but Cedes Power
Wall Street Journal 04/28/2012
Report blasts Japan’s preparation for, response to Fukushima disaster - The Washington Post
Washington Post 07/06/2012
Nuclear regulatory systems in the wake of the earthquake and tsunami in Japan
03/15/2011
Questions about the effectiveness of nuclear plant regulation in preventing accidents from different causes. Concern about nuclear safety systems and the design of nuclear plants.
Grouped Articles
Crisis Revives Doubts on Regulation
Wall Street Journal 03/15/2011
How Nuclear Reactors Work ... And the Dangers When They Don't
Wall Street Journal 03/15/2011
Design of G.E.'s Mark 1 Nuclear Reactors Shows Weaknesses
New York Times 03/15/2011
Lessons From Chernobyl for Japan
New York Times 03/19/2011
Bid to 'Protect Assets' Slowed Reactor Fight
Wall Street Journal 03/19/2011
Russian Officials Enlist Mussels to Track Radiation
Wall Street Journal 03/18/2011
Spread of radioactive elements from Japan's nuclear reactor in Fukushima
03/17/2011
American flights over the plant estimate radioactive elements in a zone of 16 miles from the plant.
Grouped Articles
Radiation Spread Seen; Frantic Repairs Go On
New York Times 03/17/2011
Japan Plant Had Troubled History
Wall Street Journal 03/21/2011
Wall Street Journal 03/23/2011
Radioactivity Spreads to Nearby Areas
Wall Street Journal 03/26/2011
Japanâs Nuclear Crisis Is Seen Clearly From Afar
New York Times 04/02/2011
Japan Utility Dumps Radioactive Water
Wall Street Journal 04/05/2011
Safety record and maintenance practices at the Fukushima nuclear plant
06/11/2010
A Wall Street Journal analysis of the safety record of this plant with a 1970's design nuclear reactors. The safety record is worse than other plants in Japan, the analysis shows. Experts say the maintenance practices at the plant contributed to the meltdown of the nuclear reactors, as the spent fuel was removed from the nuclear vessel during maintenance. In the U.S. the spent fuel is kept inside the reactor vessel for maintenance, to give extra protection. See practices for storing spent fuel rods of China and Germany, which differ from Japan and US practice.
Grouped Articles
The Oil Disaster Is About Human, Not System, Failure
Wall Street Journal 06/11/2010
Japan Plant Had Troubled History
Wall Street Journal 03/21/2011
Officials Expect 'Ups and Downs' in Reactor Fight
Wall Street Journal 03/21/2011
Fukushima Plant Warnings Went Unheeded
New York Times 03/21/2011
Japan Ignored Warning of Nuclear Vulnerability
Wall Street Journal 03/23/2011
Nuclear Plants Fail to Report Defects, Report Says
Wall Street Journal 03/24/2011
The safety failures that could have been prevented with stronger oversight and control for the Fukushima nuclear plant disaster
03/21/2011
The independent parliamentary panel in Japan concuded in its July 2012 Report that the nuclear accident at the Fukushima plant was "a profoundly man-made event." Here in its investigations after the accident the Wall Street Journal finds some of the safety flaws that could have been corrected but were not due to the compete lack of effectiveness of the safety agency and its failure to do its job. As a result licenses for forty year old nuclear reactor designs and installation designs were simply renewed without requiring changes or shutting down these reactors. It is these older designs that were also improperly installed that failed.
Linked Articles
Japan Plant Had Troubled History
Wall Street Journal 03/21/2011
Design Flaw Fueled Nuclear Disaster
Wall Street Journal 07/01/2011
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