Here’s how the alert sirens sound at the N.J. nuclear power plant

70-plus emergency sirens around the Artificial Island nuclear generating complex were tested on Tuesday. The sirens -- 34 in New Jersey and 37 in Delaware -- located within the 10-mile radius of the three reactors operated by PSEG Nuclear will sound for three minutes. They are part of the alert system that would inform those living near the Artificial Island complex in case of an emergency at one of the nuclear plants. Read: