| | PICKUP AND TRANSFER OF UP TO 400 SPENT CARBON DRUMS FOR DISPOSAL AS NON-HAZARDOUS WASTE. EACH DRUM IS A 55-GALLON STEEL DRUM. | ACE ENVIRONMENTAL HOLDINGS LLC | $64,780 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562111Solid Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Sep 25, 2025 | Sep 25, 2025 | Sep 23, 2026 |
| | HAZARDOUS WASTE PICK-UP | ACE ENVIRONMENTAL HOLDINGS LLC | $7,320 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 562211Hazardous Waste Treatment and Disposal | M2ACHUSBANDING SERVICES—REMOVAL SERVICES | Jan 28, 2025 | Jan 28, 2025 | Feb 7, 2025 |
| | DISPOSAL OF 200 DRUMS | ACE ENVIRONMENTAL HOLDINGS LLC | $29,276 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562211Hazardous Waste Treatment and Disposal | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Sep 6, 2024 | Sep 6, 2024 | Sep 7, 2025 |
| | DISPOSAL OF 200 DRUMS NON-RCRA CARBON | ACE ENVIRONMENTAL HOLDINGS LLC | $19,408 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562211Hazardous Waste Treatment and Disposal | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 11, 2023 | Jul 11, 2023 | Jul 10, 2024 |
| | WASHRACK PUMPOUT | ACE ENVIRONMENTAL HOLDINGS LLC | $12,900 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Mar 29, 2023 | Mar 13, 2023 | Mar 12, 2024 |
| | PROVIDE MAINTENANCE ON WET SCRUBBER LOCATED IN B30-DDL | ACE ENVIRONMENTAL HOLDINGS LLC | $0 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 562910Remediation Services | 6640LABORATORY EQUIPMENT AND SUPPLIES | Nov 17, 2022 | Nov 18, 2022 | Apr 30, 2023 |
| | CARBON DRUM REMOVAL AND DISPOSAL | ACE ENVIRONMENTAL HOLDINGS LLC | $8,159 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562111Solid Waste Collection | P100SALVAGE- PREPARATION AND DISPOSAL OF EXCESS/SURPLUS PROPERTY | Jun 6, 2022 | Jun 6, 2022 | Nov 30, 2022 |
| | WASHRACK PUMPOUT QUARTERLY | ACE ENVIRONMENTAL HOLDINGS LLC | $7,800 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Sep 22, 2021 | Sep 30, 2021 | Sep 29, 2022 |
| | DISPOSAL OF NON-RCRA SPENT CARBON | ACE ENVIRONMENTAL HOLDINGS LLC | $7,485 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562111Solid Waste Collection | P100SALVAGE- PREPARATION AND DISPOSAL OF EXCESS/SURPLUS PROPERTY | Sep 1, 2021 | Sep 1, 2021 | Mar 3, 2022 |
| | WASH RACK PUMP OUT | ACE ENVIRONMENTAL HOLDINGS LLC | $10,500 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Sep 29, 2020 | Sep 30, 2020 | Sep 30, 2021 |
| | WASTE WATER REMOVAL FOR EXTRUSION PLANT | ACE ENVIRONMENTAL HOLDINGS LLC | $4,080 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Jul 15, 2020 | Jul 15, 2020 | Aug 7, 2020 |
| | WASTE WATER REMOVAL FOR EXTRUSION PLANT | ACE ENVIRONMENTAL HOLDINGS LLC | $4,260 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Nov 5, 2019 | Nov 5, 2019 | Apr 30, 2020 |
| | NMZ - SERVICES, NATURAL HISTORY BUILDING (COTR) BEN SPENCER | ACE ENVIRONMENTAL HOLDINGS LLC | $3,688 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 562111Solid Waste Collection | R499SUPPORT- PROFESSIONAL: OTHER | Jun 28, 2019 | Jun 28, 2019 | Oct 31, 2019 |
| | CARBON DRUM REMOVAL | ACE ENVIRONMENTAL HOLDINGS LLC | $0 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Apr 11, 2019 | Apr 11, 2019 | Oct 14, 2019 |