| | DISPOSAL OF DRILLING SOIL AND WATER IN NEWPORT NEWS, VA | POTOMAC ENVIRONMENTAL INC | $59,439 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 562910Remediation Services | F021NATURAL RESOURCES/CONSERVATION- SITE PREPARATION | Sep 16, 2025 | Sep 16, 2025 | Nov 30, 2025 |
| | WASTE REMOVAL AND BIN RENTAL | POTOMAC ENVIRONMENTAL INC | $44,237 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 562910Remediation Services | F021NATURAL RESOURCES/CONSERVATION- SITE PREPARATION | May 23, 2025 | May 23, 2025 | Nov 30, 2025 |
| | FRAC TANK RENTAL | POTOMAC ENVIRONMENTAL INC | $4,477 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 532490Other Commercial and Industrial Machinery and Equipment Rental and Leasing | X1PDLEASE/RENTAL OF WASTE TREATMENT AND STORAGE FACILITIES | May 22, 2025 | May 22, 2025 | Nov 7, 2025 |
| | TITLE: POTOMAC ENVIRONMENTAL-UNIVERSAL WASTE-0039 REQUESTOR: TABITHA LOUISE CASTILLO DELIVERY DATE: 02/27/2024 | POTOMAC ENVIRONMENTAL INC | $1,195 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jan 25, 2024 | Jan 25, 2024 | Mar 27, 2024 |
| | G AND L MONUMENT FOUNDATION CLEANING | POTOMAC ENVIRONMENTAL INC | $2,443 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | J036MAINT/REPAIR/REBUILD OF EQUIPMENT- SPECIAL INDUSTRY MACHINERY | Sep 8, 2023 | Sep 20, 2023 | Sep 19, 2024 |
| | HAZWASTE REMOVAL | POTOMAC ENVIRONMENTAL INC | $11,550 | US COAST GUARD | US COAST GUARD | — | 562112Hazardous Waste Collection | F999OTHER ENVIRONMENTAL SERVICES | Aug 7, 2023 | Aug 7, 2023 | Aug 31, 2023 |
| | BASE YEAR- WASTEWATER TREATMENT | POTOMAC ENVIRONMENTAL INC | $9,750,263 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | F103ENVIRONMENTAL SYSTEMS PROTECTION- WATER QUALITY SUPPORT | Jul 12, 2023 | Jul 12, 2023 | Jul 11, 2026 |
| | COMPLIANCE - PROPER DISPOSAL OF UNIVERSAL WASTE | POTOMAC ENVIRONMENTAL INC | $1,072 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jan 27, 2023 | Jan 27, 2023 | Mar 15, 2023 |
| | WASTE REMOVAL | POTOMAC ENVIRONMENTAL INC | $11,550 | US COAST GUARD | US COAST GUARD | — | 562112Hazardous Waste Collection | F999OTHER ENVIRONMENTAL SERVICES | Aug 29, 2022 | Aug 29, 2022 | Sep 30, 2022 |
| | OPTION YEAR 1 FOR OILY WATER PICK UP & OILY WATER SEPARATOR CLEANING FOR THE PERIOD 7/1/22 - 6/30/23 | POTOMAC ENVIRONMENTAL INC | $40,082 | US COAST GUARD | US COAST GUARD | — | 562112Hazardous Waste Collection | S299HOUSEKEEPING- OTHER | Jun 29, 2022 | Jul 1, 2022 | Jun 30, 2026 |
| | DRILLING FLUIDS DISPOSAL | POTOMAC ENVIRONMENTAL INC | $43,698 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 562211Hazardous Waste Treatment and Disposal | F021NATURAL RESOURCES/CONSERVATION- SITE PREPARATION | May 19, 2022 | May 19, 2022 | Jul 4, 2023 |
| | COMPLIANCE - UNIVERSAL WASTE | POTOMAC ENVIRONMENTAL INC | $1,073 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | May 10, 2022 | May 10, 2022 | Jun 30, 2022 |
| | REQUIRED DISPOSAL OF EXISTING HAZARDOUS WASTE. WORKLOAD SPLIT IS USED FOR FUNDING. | POTOMAC ENVIRONMENTAL INC | $880 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Dec 1, 2021 | Dec 1, 2021 | Jan 31, 2022 |
| | HAZARDOUS WASTE EXPLOSIVE SHIPMENT | POTOMAC ENVIRONMENTAL INC | $8,560 | US COAST GUARD | US COAST GUARD | — | 562211Hazardous Waste Treatment and Disposal | F114ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL LICENSING AND PERMITTING | Sep 13, 2021 | Sep 17, 2021 | Oct 16, 2021 |
| | PROPERLY DISPOSE OF USED LAMPS AND LATEX PAINT | POTOMAC ENVIRONMENTAL INC | $1,569 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Aug 26, 2021 | Aug 26, 2021 | Dec 28, 2021 |
| | FY21 SERVICE CONTRACT FOR OILY WATER PICK UP AND SEPARATOR CLEANING | POTOMAC ENVIRONMENTAL INC | $67,500 | US COAST GUARD | US COAST GUARD | — | 562112Hazardous Waste Collection | S299HOUSEKEEPING- OTHER | Apr 27, 2021 | May 1, 2021 | Apr 30, 2026 |
| | REMOVAL OF UNIVERSAL WASTE TO REMAIN IN COMPLIANCE | POTOMAC ENVIRONMENTAL INC | $1,177 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Feb 2, 2021 | Feb 2, 2021 | Feb 28, 2021 |
| | HAZARDOUS WASTE EXPLOSIVE SHIPMENT | POTOMAC ENVIRONMENTAL INC | $8,560 | US COAST GUARD | US COAST GUARD | — | 562112Hazardous Waste Collection | AT81 | Sep 8, 2020 | Sep 8, 2020 | Oct 9, 2020 |
| | TRANSPORTATION AND DISPOSAL OF HAZARDOUS WASTE: LAB PACK PROJECT COST | POTOMAC ENVIRONMENTAL INC | $0 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Feb 12, 2020 | Feb 12, 2020 | Mar 3, 2020 |
| | TRANSPORTATION AND DISPOSAL OF HAZARDOUS WASTE: | POTOMAC ENVIRONMENTAL INC | $4,553 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Oct 31, 2019 | Oct 31, 2019 | Nov 30, 2019 |
| | EXPLOSIVE REMOVAL FOR BASE ELIZABETH CITY | POTOMAC ENVIRONMENTAL INC | $8,560 | US COAST GUARD | US COAST GUARD | — | 562112Hazardous Waste Collection | 4540WASTE DISPOSAL EQUIPMENT | Aug 29, 2019 | Aug 29, 2019 | Sep 28, 2019 |
| | TRANSPORTATION AND DISPOSAL OF HAZARDOUS WASTE: LAB PACK PROJECT | POTOMAC ENVIRONMENTAL INC | $3,367 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 8, 2019 | Jul 8, 2019 | Jul 31, 2019 |
| | WASTEWATER PICKUP | POTOMAC ENVIRONMENTAL INC | $6,360 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562112Hazardous Waste Collection | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Apr 22, 2019 | Apr 22, 2019 | Oct 21, 2019 |
| | EXPLOSIVE REMOVAL FOR BASE ELIZABETH CITY | POTOMAC ENVIRONMENTAL INC | $8,560 | US COAST GUARD | US COAST GUARD | — | 562212Solid Waste Landfill | F999OTHER ENVIRONMENTAL SERVICES | Nov 8, 2018 | Nov 8, 2018 | Dec 8, 2018 |
| | TRANSPORTATION AND DISPOSAL OF HAZARDOUS WASTE | POTOMAC ENVIRONMENTAL INC | $2,439 | DRUG ENFORCEMENT ADMINISTRATION | DRUG ENFORCEMENT ADMINISTRATION | — | 562112Hazardous Waste Collection | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Nov 8, 2018 | Nov 8, 2018 | Feb 1, 2019 |