The certification(s) for Erik Johnson, ID No. 50058:

Certification Type Certified Expiration
01 Certified Aggregate Technician 04/18/2024 04/18/2029
03 Certified Asphalt Technician 1 05/06/2022 05/06/2027
04 Certified Asphalt Technician 2 04/14/2022 04/14/2025
06 Certified Density Technician 03/12/2020 03/12/2025
07 Quality Control Technician 01/26/2023 01/26/2028
08 Concrete Control Technician 02/10/2023 02/10/2028
15 Concrete Strength Testing Technician 05/21/2021 05/21/2026




   
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