COUNTY – Union County Clerk Joanne Rajoppi will host a Notary Public Training Seminar at the John H. Stamler Police Academy, at 1776 Raritan Road in Scotch Plains on Friday, September 12 from 8:45 a.m. to 11:30 a.m. The featured speaker will be Union County First Deputy County Counsel Moshood Muftau, Esq.