Hydrogen Gas Leak at CT Nuke

Thursday, October 12, 2017 @ 04:10 PM gHale


Officials cleared a hydrogen leak in the Unit 3 turbine building at Millstone Nuclear Power Station in Waterford, CT.

A hydrogen leak in the Unit 3 turbine building at Millstone Nuclear Power Station in Waterford, CT, Monday was quickly identified and the building evacuated, officials said.

After the building ended up evacuated, the leak was isolated and stopped and then access was restored to the building, said Dominion Energy Spokesman Ken Holt.

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Holt said the leak amounted to a small amount of hydrogen gas, but there is a chance that hydrogen can be flammable in high enough concentrations. As a conservative measure, the company evacuated the building and brought in additional fans to get the gas out.

The incident was declared an “unusual event,” which is the lowest of the Nuclear Regulatory Commission’s (NRC) four levels of alert classification.

The NRC, state and local officials were notified, he said.

The leak was detected around 2 p.m., and the incident was resolved around 4 p.m., he said.

There was no concern for public safety, he said. Unit 3 continued operating throughout the incident, Holt said.



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