Four o’clock this morning, marked the 40th Anniversary of the partial meltdown of Unit #2 at the Three Mile Island Nuclear Generating Station. The accident achieved mythological status, even though no one was hurt and deaths occur every year at all other types of power plants except nuclear.
in the secondary cooling circuit which caused the temperature in the primary coolant to rise. This in turn caused the reactor to shut down automatically. Shut down took about one second. At this point a relief valve failed to close, but 1970’s instrumentation did not reveal that fact, and so much of the primary coolant drained away that the residual decay heat in the reactor core was not removed.
. Their research tracked 32,135 people who lived within five miles of the plant when the accident occurred. Several independent groups also conducted studies. The approximately 2 million people around TMI-2 during the accident are estimated to have received an average radiation dose of less than 1 mrem above the annual background dose of about 250 mrem, less than eating a bag of potato chips a day.
France Dernières Nouvelles, France Actualités
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