LIMERICK — Residents in the 10-mile emergency planning zone around Exelon’s Limerick Generating Station will hear a full sound siren test at 2 p.m. on Monday, June 2, 2014, as Exelon conducts a test of its emergency siren system. The full sound test is performed on the first Monday in June and December as part of Exelon’s comprehensive Emergency Preparedness program. A shorter, lower pitch...