Northern New England Concrete Association will be administering the following certification exams from the American Concrete Institute: Concrete Strength Testing Technician and Aggregate Testing Technician - Level 1 on January 21, 2026 in Manchester, NH.  This will be an exam-only session - no training will be provided.  A workbook and directions will be sent to those who register for a full exam.  Registrations for retests will be emailed directions to the exam site.  Before registering, please review our policy on cancellations, refunds, and rescheduling.