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The Three Mile Island accident was a partial nuclear meltdown of the Unit 2 reactor (TMI-2) of the Three Mile Island Nuclear Generating Station on the Susquehanna River in Londonderry Township, near Harrisburg, Pennsylvania. The reactor accident began at 4:00 a.m. on March 28, 1979, and released radioactive gases and radioactive iodine into the ...
The effects of the 1979 Three Mile Island nuclear accident are widely agreed to be very low by scientists in the relevant fields. The American Nuclear Society concluded that average local radiation exposure was equivalent to a chest X-ray and maximum local exposure equivalent to less than a year's background radiation. [1]
Three Mile Island in 2019, prior to shutdown. Three Mile Island Nuclear Generating Station (commonly abbreviated as TMI) is a safely stored nuclear power plant on Three Mile Island [a] in Pennsylvania on the Susquehanna River just south of Harrisburg. It has two separate units, TMI-1 (owned by Constellation Energy) and TMI-2 (owned by ...
TMI-1 was not damaged in the accident that damaged the power station in March of 1979. But the partial meltdown of TMI-2, the second reactor on the site, was the most serious nuclear accident in ...
Three Mile Island, the site of the worst nuclear accident in U.S. history, is opening up once again. ... That facility sits next to the Unit 2 reactor that had the partial meltdown in 1979. Unit 1 ...
Three Mile Island nuclear plant set for restart on Microsoft AI power deal. ... which was shut after a partial meltdown in 1979 - the most famous commercial nuclear accident in U.S. history - will ...
Following the Three Mile Island accident on March 28, 1979, Admiral Rickover was asked to testify before Congress in the general context of answering the question as to why naval nuclear propulsion had succeeded in achieving a record of zero reactor-accidents, as opposed to the dramatic one that had just taken place. [8]
The accident occurred at about 04:00 in the Three Mile Island plant's second unit. The plant's Unit 1 - which would reopen under the Microsoft deal - continued to generate power until closing in 2019.