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Concrete Strength Testing Technician is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of four basic laboratory procedures related to the determination of concrete compressive and flexural strength. ACI will grant certification only to those applicants who pass both the ACI written test and successfully complete the

Written retesting is available for the following classes: Concrete Field Testing Technician – Grade I (MDOT Class 1) Aggregate Testing Technician- Level 1 (MDOT Class 2) Concrete Strength Testing Technician MDOT Class 3 Concrete Technician REGISTER