Certifications for Nathaniel Johnston
| Certification | Completion Date | Expiration Date | Status |
|---|---|---|---|
| West Virginia Asphalt Field and Compaction Technician | 10/13/2023 | 12/31/2026 | Active |
| West Virginia PCC Inspector | 01/30/2025 | 12/31/2028 | Active |
| WV Portable Nuclear Gauge Safety & U.S. D.O.T. Hazmat Training (NUREG 1556, 49 CFR 172 Subpart H) | 10/02/2023 | 10/02/2026 | Active |
| West Virginia Soil and Aggregate Compaction Technician | 10/05/2023 | 12/31/2026 | Active |