| | ERSS YEAR 5 CLIN 0007 TRAINING AND TRAVEL | AMENTUM ENVIRONMENT & ENERGY, INC. | $20,000 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2026 |
| | YEAR 5 CLIN 0006 GROUNDWATER TREATMENT PLANT O&M SURGE | AMENTUM ENVIRONMENT & ENERGY, INC. | $200,000 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2026 |
| | ERSS YEAR 5 CLIN 0004 GIS/GPS | AMENTUM ENVIRONMENT & ENERGY, INC. | $1,374,397 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2026 |
| | YEAR 5 CLIN 0003 - LONGER TERM OPERATIONS AND MAINTENANCE (O&M) SUPPORT | AMENTUM ENVIRONMENT & ENERGY, INC. | $2,689,457 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2026 |
| | ERSS YEAR 5 CLIN 0005 NATIONAL ENVIRONMENTAL DATA REPOSITORY MANAGEMENT (NEDRM) | AMENTUM ENVIRONMENT & ENERGY, INC. | $453,577 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2026 |
| | AREA 41 NON-TIME CRITICAL REMOVAL ACTION (NTCRA) | AMENTUM ENVIRONMENT & ENERGY, INC. | $9,338,505 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Nov 14, 2024 | Nov 14, 2024 | Sep 23, 2026 |