Update your information on the origin, handling and testing of Aggregates.

Persons completing the refresher course will be able to continue to administer and do the testing required for an aggregate producer and/or supplier participating in the Aggregate Gradation Control System.

Starting Fall 2023, students who possess the Aggregate Technician (5-Day) Certification or the Mixture Aggregate Technician Upgrade Certification will need to recertify. The Mixture Aggregate Technician (3-Day) Certification will not expire.

The refresher course will be available online; however, the written and calculation exams will be proctored in person.

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