| | RADIO SERVICE FOR VTS SECTOR SAN FRANCISCO | MARINE EXCHANGE OF THE SAN FRANCISCO BAY REGION | $71,520 | US COAST GUARD | US COAST GUARD | — | 488330Navigational Services to Shipping | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Feb 13, 2026 | Oct 1, 2025 | Sep 30, 2027 |
| | UAS SNIFFER PACKAGE | AMERICAN ROBOTICS, INC. | $167,873 | US COAST GUARD | US COAST GUARD | — | 541713Research and Development in Nanotechnology | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Jul 1, 2024 | Aug 13, 2024 | Aug 26, 2024 |
| | AQMD EMISSION REPORTS | SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT | $29,354 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541380Testing Laboratories and Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Apr 26, 2024 | Apr 26, 2024 | Jul 31, 2024 |
| | AQMD EMISSIONS TESTING | SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT | $22,297 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541380Testing Laboratories and Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Dec 11, 2023 | Jun 23, 2023 | Dec 11, 2023 |
| | MOLD REMEDIATION | WALTER THOMAS & ASSOCIATES, INCORPORATED | $49,350 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | May 30, 2023 | May 24, 2023 | Jul 31, 2023 |
| | BLACK MOLD ABATEMENT | WALTER THOMAS & ASSOCIATES, INCORPORATED | $24,340 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Apr 7, 2023 | Apr 6, 2023 | Jun 30, 2023 |
| | BLACK MOLD ABATEMENT | WALTER THOMAS & ASSOCIATES, INCORPORATED | $24,300 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Dec 6, 2022 | Dec 7, 2022 | Jan 31, 2023 |
| | NRS13 AND NRS16 BAT MANUSCRIPTS PROJECT. | AMY WRAY | $3,000 | FOREST SERVICE | FOREST SERVICE | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Aug 10, 2022 | Aug 10, 2022 | Dec 30, 2022 |
| | ISB PLUME CHAR HYSPLIT - UAF/PFRR | UNIVERSITY OF ALASKA FAIRBANKS | $75,910 | BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT | BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT | — | 541990All Other Professional, Scientific, and Technical Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Jul 28, 2022 | Jul 28, 2022 | Dec 31, 2022 |
| | 2022 SUPPORT FOR BSEE POKER FLAT RESEARCH | ALASKA CLEAN SEAS | $24,922 | BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT | BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT | — | 213112Support Activities for Oil and Gas Operations | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Jul 14, 2022 | Jul 15, 2022 | Jul 14, 2023 |
| | PREDICTIVE CHEMICAL MODELS FOR PFAS INCINERATION | NORTH CAROLINA STATE UNIVERSITY | $237,612 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Apr 28, 2022 | May 1, 2022 | Aug 31, 2024 |
| | NFSC ASBESTOS AIR MONITORING FOR DEMOLITION OF WITHERBEE HOUSES | Trident Environmental Services, Inc. | $10,350 | FOREST SERVICE | FOREST SERVICE | — | 562910Remediation Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Jun 24, 2021 | Jun 24, 2021 | Feb 2, 2022 |
| | BASE YEAR PLUS ONE OPTION YEAR FOR SCIENTIFIC TECHNICAL SUPPORT OF CHARACTERIZING SOUNDSCAPES ON THE US WEST COAST. | SOUTHALL ENVIRONMENTAL ASSOCIATES INC | $77,151 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Sep 16, 2020 | Sep 17, 2020 | Sep 16, 2022 |
| | NEPA CAMPUS STUDY | ENVIRONMENTAL RESEARCH GROUP, L.L.C. | $110,723 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541330Engineering Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Sep 1, 2020 | Sep 1, 2020 | Dec 14, 2021 |
| | ENVIRONMENTAL SERVICES IN SUPPORT OF THE COMBAT TRAINING CENTER LOCATED AT FT. POLK, LA | ARTEMIS ADVANTAGE LLC | $1,962,113 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541330Engineering Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Sep 13, 2019 | Sep 13, 2019 | Sep 12, 2021 |
| | IGF::OT::IGF AF NOISE SIMULATION VIDEOS FOR MODELING U433000 | Salas O'Brien Federal, LLC | $403,207 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541620Environmental Consulting Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Sep 30, 2018 | Sep 30, 2018 | Dec 29, 2019 |
| | TASK 2 FORT POLK AND FORT WAINWRIGHT U433000 | Salas O'Brien Federal, LLC | $304,821 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541620Environmental Consulting Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Sep 30, 2018 | Sep 30, 2018 | Sep 29, 2019 |
| | STUDENT CONTRACT - KEITH KIMBERLING U435CNN | KIMBERLING, KEITH | $0 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Feb 8, 2018 | Feb 8, 2018 | Feb 8, 2019 |
| | STUDENT CONTRACT - NATHAN POLAK U435CNN | POLAK, NATHAN R | $740 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Feb 8, 2018 | Feb 8, 2018 | Feb 8, 2019 |
| | IGF::OT::IGF ERDC STUDENT PROGRAM U435CFE | CARMICHAEL, ZACHARY | $13,891 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541712 | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Sep 1, 2017 | Sep 1, 2017 | Aug 31, 2018 |
| | IGF::OT::IGF ERDC STUDENT PROGRAM U435CNN | OCHI, GORDON M | $12,947 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541712 | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Aug 2, 2017 | Aug 2, 2017 | Dec 31, 2017 |
| | IGF::OT::IGF OTHER DIRECT COSTS | VERSAR, INC. | $19,134 | DEPT OF THE ARMY | DEPT OF THE AIR FORCE | — | 562910Remediation Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | May 19, 2017 | May 19, 2017 | Jul 7, 2017 |
| | NOISE STUDY - CHUGS MOA IGF::OT::IGF | VERSAR, INC. | $11,018 | DEPT OF THE ARMY | DEPT OF THE AIR FORCE | — | 562910Remediation Services | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Apr 13, 2017 | Apr 13, 2017 | May 1, 2017 |
| | IGF::OT::IGF STUDENT CONTRACT (AUSTIN PHILLIPS) U435CNN | PHILLIPS, AUSTIN R | $7,692 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541712 | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Nov 28, 2016 | Nov 28, 2016 | Nov 28, 2017 |
| | IGF::OT::IGF STUDENT CONTRACT (B. OLMOS) U435CNN | OLMOS, BRANDON L | $7,692 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541712 | AH41NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; POLLUTION CONTROL AND ABATEMENT; BASIC RESEARCH | Nov 28, 2016 | Nov 28, 2017 | Nov 28, 2017 |