The certification(s) for Shawn Spencer, ID No. 52843: Certification Type Certified Expiration 01 Certified Aggregate Technician 01/30/2026 01/30/2029 03 Certified Asphalt Technician 1 04/05/2024 04/05/2027 15 Concrete Strength Testing Technician 08/12/2021 08/12/2026
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