MIDDLETOWN, Pa. — Three Mile Island nuclear power plant will be conducting an emergency siren test on Thursday.
The plant has a total of 96 sirens. All sirens will sound at 12:15 p.m. for three minutes.
Sirens in Cumberland, Dauphin, Lancaster, Lebanon, and York counties should sound at that time.
The test is the second of two semi-annual tests in 2015.
