April 26-27, 2022 held at the ABC Mississippi in Pearl, MS. 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 Strength of Cylindrical Concrete Specimens ASTM C78 Flexural Strength