‘Unusual event’ declared at Salem 1 nuclear reactor after plant automatically shuts down

Posted on April 30, 2012

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LOWER ALLOWAYS CREEK TWP.— An “unusual event” was declared at the Salem 1

Entire PSE&G nuclear complex (which contains b...

nuclear reactor here this morning after the plant shut down and fire alarms sounded, a spokesman for the plant’s operator said.

An unusual event is the least serious of  four emergency classifications at a nuclear power plant.

Salem 1 automatically shut down at 10:15 a.m., according to Joe Delmar, spokesman for the reactor’s operator, PSEG Nuclear.

According to Delmar what caused the reactor to trip remains under investigation, but testing was occurring on the reactor’s emergency cooling system at the time.

After the reactor shutdown, multiple fire alarms sounded, according to Delmar.

Per federal regulations, PSEG Nuclear is required to investigate all fire alarms within 15 minutes.

Since they were unable to do so, an unusual event was declared. Once it was confirmed there was no fire at the plant, the unusual event was declared over 12:49 p.m.

When Salem 1 will return to service is unclear, Delmar said early this afternoon.

NJ

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