Three Mile Island’s new sirens fail test

MIDDLETOWN, Pa. (AP) — A test of Three Mile Island nuclear power plant in central Pennsylvania did not go as expected.

Officials at the plant say its new emergency notification siren system failed to sound during a scheduled test Thursday afternoon.

WHTM-TV reports the original siren system sounded during the first of two tests at 12:15 p.m., but Exelon spokesman Ralph DeSantis says none of the 96 new sirens sounded during a second test at 1:15 p.m.

DeSantis says the plant is looking for the cause.

The new system includes a battery backup capability that is supposed to allow the sirens to sound even if there’s a power outage.

The partial meltdown of a Three Mile Island reactor in 1979 is considered the worst commercial nuclear power plant accident in U.S. history.

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