@Hummel Wharf. Elizabeth Fire and EMS operate on the Union County Site of the New Jersey Interoperability Communication System (NJICS). Summit Police utilize a radio identifier such as 18P100 or 18 Papa 100. 900 - Marysville, Corrections, A Greenfield man was taken into custody on multiple sexual abuse charges last week in Adair County. If a unit is utilizing an unmarked car, their identifier will include the prefix "unmarked", such as "Unmarked 3-Baker" or "Unmarked Power-10". Former district shared by Headquarters and Station 6. Rahway Police operate on the Union County Site of the New Jersey Interoperability Communication System (NJICS) utilizing full-time, strapped encryption on all talkgroups. Internal Affairs/ Professional Standards and training are supervised and monitored by this Division Commander.