Three Mile Island to test sirens Thursday
Exelon Generation will hold its semiannual, full-volume test of Three Mile Island Generating Station's emergency warning sirens Thursday, June 2, according to a company news release.
The Londonberry Township station's system consists of 96 sirens covering a 10-mile radius around the plant. The three-minute test will begin at approximately 12:15 p.m.
Tests are scheduled for June and December each year.