Three Mile Island to test emergency sirens Thursday
Emergency sirens have been scheduled for testing on Thursday at the Three Mile Island nuclear power plant. The semi-annual test will sound for three minutes beginning at 12:15 p.m. on June 5.
The 96 sirens are located within 10 miles of the plant, and are in place to warn residents of a nuclear accident.
The plant, in Londonderry Township, is owned by Exelon.