This certification program has been absorbed into the ODOT Prequalified Construction Inspection Program as the Soil and Aggregate Inspector. Visit the Prequalification Overview page for prerequisite information. Once all prerequisites have been successfully achieved, you must apply through the Office of Consultant Services by sending a cover letter and resume along with documentation of certification. Visit the Consultant Prequalification Requirements and Procedures page under Prequalification Information Tab on the Consultant Services web page for more information.


- Prequalification Overview

- Certified Nuclear Consultants per Supplement 1121​

- Certified Nuclear Gauge's per Supplement 1121​​​