This appendix contains short descriptions of different certification programs related to materials sampling and testing that were referenced in the literature review. The programs are listed in ...

ACI Certification provides the concrete industry with qualified individuals to ensure concrete construction satisfies project specifications and code requirements. Over 375,000 individuals have ...

The ACI Concrete Field Testing Technician Grade I exam is a critical credential for those entering or advancing in the concrete testing field, combining a challenging written test with a hands-on ...

Chronic labor shortages in the construction industry have intensified since the onset of the COVID-19 pandemic, yet the demand for construction continues to soar. To fill the voids in their workforce, ...

The literature review presented in this chapter describes the DOT certification programs and how they were developed in different ways, in part due to the flexibility found in 23 CFR 637B. Included is ...