The crippled Fukushima reactor is a grim reminder of the Three Mile Island crisis. It has some common technical and safety aspects, and brings to mind broken promises by the industry to resolve open safety issues. The Japanese crisis certainly demonstrates the propensity for obfuscation by the industry while the public is left sifting through hundreds of media reports. The first indication that the Fukushima reactor was in serious trouble came from reports that the Japanese military was flying batteries to the plant. This clue made it clear that the operators were having more problems than just trouble with circulating reactor coolant. It revealed that the operators were losing or had lost electrical control of the reactor systems and that the emergency diesel generators were not working. But the Japanese government and the industry continued to downplay the dire conditions facing them.
This same pattern of denial happened here at Three Mile Island leaving the citizens and their governor bewildered and confused. In fact, radioactive releases at TMI are presently being reported as a miniscule amount of radiation. At least 13 million curies of radiation were released. So it is easy to see how the Japanese crisis brings back various details of the TMI crisis.
Here are some of the similarities and differences:
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