The Alliance of Automotive Service Providers of New Jersey (AASP/NJ) will co-sponsor two seminars titled "Estimating Accuracy Essentials (Part 1)," on Tuesday, June 25 from 3-8 p.m. at the Hilton Garden Inn, Springfield (Northern NJ meeting) and Tuesday, July 16 from 3-8 p.m. at the Hilton Garden Inn, Hamilton (Southern NJ meeting).