June 9-10, 2020 held at the Associated Builders and Contractors (ABC) Building 5165 Old Brandon Road  Pearl, MS 39208  Phone: 601-944-0421 This class covers laboratory testing of hardened concrete. ACI Concrete Strength Testing Technician certification covers the following standard test methods: ASTM C617 Capping Cylindrical Specimens ASTM C1231 Unbonded Caps for Concrete Cylinders ASTM C39 Compressive