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The accident at three Mile Island affected one of the reactors. After the reactor had shutdown due to a fault in the secondary cooling system, a faulty relief valve in the primary circuit stuck open, which caused reactor coolant to leak out, to atmosphere. This could easily have been dealt with, but due to faulty instruments and lack of awareness on the part of the operators, the problem was not realised until too late. Some of the fuel was uncovered and partially melted, allowing radioactive fission products to escape, this would have been mostly krypton and iodine. Eventually it was realised what was happening and the reactor was stabilised, but by then it had been irrevocably damaged and was a commercial write off. Of course there was great concern locally about radiation, but it seems the conclusion after exhaustive health physics investigation was that no one had been damaged by radiation. Some researchers I know disputed that, but that was the official conclusion. Make what you like of that, I just don't know. See the link below for a full description
What else can I help you with?
What 1970s incident revived the anti-nuclear movement?
You are probably thinking of the Three Mile Island plant reactor melt down in 1979
What is a site of a famous nuclear disaster of 1986?
Three mile Island near Harrisburg,PA March 28, 1979
What happened to three miles island?
It's still being decontaminated to meet the government's ridiculously strict radiation standards.
Where did the name three mile island come from?
I think it is just the name of the river island where the plant is located, and was called that long before nuclear power was developed, but who named it I don't know, you would have to ask the local history group if there is one.
What were some important events in 1979?
There were many important events in 1979. The USSR invaded Afghanistan, there was a reactor fire on Three Mile Island in Pennsylvania, and the Sahara Desert experienced snow for 30 minutes.
How did three mile island got it name?
Three Mile Island got its name from the nearby Three Mile Island, which is a small island located in the Susquehanna River in Pennsylvania. The island is approximately three miles downstream from the state capitol in Harrisburg.
Talk about publicity What disaster happened 12 days after the release of the movie The China Syndrome?
Three-Mile Island
What radioactive material was released at Three Mile Island?
Krypton-85 (85Kr36) was released at Three Mile Island.
What media is used in Yvonne Jacquette's Three Mile Island?
Why did Yvonne jacquette draw the three mile island
We've all heard of the nuclear accident at Three Mile Island but what state is Three Mile Island in?
Three Mile Island is located in Pennsylvania. It is situated on the Susquehanna River, south of Harrisburg.
Why is three mile island nuclear plant called three mile island?
The Three Mile Island nuclear plant is named after the island in the Susquehanna River located three miles downstream from the state capital of Pennsylvania, Harrisburg. This is the location of the nuclear power plant that suffered a partial meltdown in 1979.
Who was president during Three Mile Island?
The president at the time of the Three Mile Island nuclear incident was Jimmy Carter.
What country did the three mile island accident happen?
The Three Mile Island accident occurred in the United States, specifically in Pennsylvania. It was a partial meltdown of a reactor at the Three Mile Island Nuclear Generating Station in 1979.
Where The Three Mile Island nuclear plant located?
The Three Mile Island nuclear plant is located in Londonderry Township, Pennsylvania, United States.
Can you visit Three Mile Island for a tour or exploration"?
No, public tours or explorations are not allowed at Three Mile Island due to security and safety reasons.
In what state is Three Mile Island located?
Pennsylvania
Why was Three Mile Island built?
For production of electricity.
