Certifications for Richard Walls
| Certification | Completion Date | Expiration Date | Status |
|---|---|---|---|
| West Virginia Aggregate Sampling | 12/20/2023 | 12/31/2026 | Active |
| West Virginia Asphalt Field and Compaction Technician | 10/13/2023 | 12/31/2026 | Active |
| West Virginia PCC Inspector | 01/31/2024 | 12/31/2027 | Active |
| West Virginia Soil and Aggregate Compaction Technician | 10/05/2023 | 12/31/2026 | Active |