This event has passed.
Retest Date: Written Exam Only
February 22, 2023
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
For more information, download the Certification Registration and Policy Information form.