| | F250 AIR QUALITY MONITORING | AIR RESOURCE SPECIALISTS, INC | $17,176 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Jun 8, 2026 | Jun 8, 2026 | Aug 31, 2026 |
| | NR-ARD-272 OPTICAL AND SCENE MONITORING | AIR RESOURCE SPECIALISTS, INC | $340,547 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | May 11, 2026 | May 11, 2026 | Aug 5, 2027 |
| | IDC FOR ASBESTOS AIR MONITORING AND MATERIAL SAMPLING SERVICES | TRINE ENVIRONMENTAL INC | $2,032 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | May 7, 2026 | May 7, 2026 | May 29, 2026 |
| | NR-ARD-281 IMPROVE NETWORK OPERATIONS | UNIVERSITY OF CALIFORNIA, DAVIS | $2,722,726 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541380Testing Laboratories and Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Apr 30, 2026 | Apr 30, 2026 | Jul 28, 2027 |
| | VPIH SERVICES ID/R CONTRACT. | SAGE-EFS JV | $8,388 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Apr 14, 2026 | Apr 14, 2026 | Jun 30, 2026 |
| | IDC FOR ASBESTOS AIR MONITORING AND MATERIAL SAMPLING SERVICES | TRINE ENVIRONMENTAL INC | $16,070 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Apr 9, 2026 | Apr 9, 2026 | Apr 24, 2026 |
| | NR-ARD-282 SPECIAL OZONE DATA PROCESSING | AIR RESOURCE SPECIALISTS, INC | $31,486 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Mar 25, 2026 | Mar 25, 2026 | Jul 5, 2026 |
| | ABATEMENT MONITORING AND HAZARDOUS MATERIALS TESTING AT THE WILKES-BARRE VA HEALTHCARE SYSTEM. | TRINE ENVIRONMENTAL INC | $12,227 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Mar 17, 2026 | Mar 18, 2026 | Jun 30, 2026 |
| | INDOOR AIR AND WATER QUALITY TESTING AT ALL FISCAL SERVICE LOCATIONS | ENVIRONMENTAL CONSULTING GROUP, INC. | $353,436 | BUREAU OF THE FISCAL SERVICE | BUREAU OF THE FISCAL SERVICE | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Feb 4, 2026 | Feb 5, 2026 | Feb 4, 2031 |
| | NCDEQ FEE | NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY | $1,304 | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | — | 924110Administration of Air and Water Resource and Solid Waste Management Programs | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Jan 5, 2026 | Jan 5, 2026 | Jan 5, 2026 |
| | VPIH SERVICES ID/R CONTRACT. | SAGE-EFS JV | $4,029 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Nov 6, 2025 | Nov 5, 2025 | Feb 28, 2026 |
| | TASK ORDER ISSUED FOR ABATEMENT MONITORING AND HAZARDOUS MATERIALS TESTING AT THE WILKES-BARRE VA HEALTHCARE SYSTEM. | TRINE ENVIRONMENTAL INC | $10,867 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Oct 31, 2025 | Nov 3, 2025 | Dec 2, 2025 |
| | VPIH SERVICES ID/R CONTRACT. TASK ORDER NUMBER ONE FY 26. | SAGE-EFS JV | $2,657 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Oct 17, 2025 | Oct 17, 2025 | Dec 31, 2025 |
| | BREATHING AIR SAMPLES | MES SERVICE COMPANY, LLC | $366,308 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541380Testing Laboratories and Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Oct 8, 2025 | Oct 8, 2025 | Nov 14, 2030 |
| | IDC FOR ASBESTOS AIR MONITORING AND MATERIAL SAMPLING SERVICES | TRINE ENVIRONMENTAL INC | $90,000 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 562910Remediation Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Oct 6, 2025 | Oct 6, 2025 | Sep 30, 2026 |
| | NR-ARD-312 IMPROVE OPS & FILTER ANALYSIS | UNIVERSITY OF CALIFORNIA, DAVIS | $1,854,473 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541380Testing Laboratories and Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Sep 29, 2025 | Sep 9, 2025 | Apr 30, 2026 |
| | DUST HAZARD ANALYSIS | CLEARAIR, INC. | $10,990 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Sep 19, 2025 | Sep 19, 2025 | Sep 28, 2025 |
| | NR-ARD-339 GPMP NETWORK OPS TASK ORDER | AIR RESOURCE SPECIALISTS, INC | $1,883,455 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Sep 19, 2025 | Sep 19, 2025 | Sep 18, 2026 |
| | 2024 SILICA TESTING SAMPLING & TESTING DURING 2024 EVENT RATIFICATION | SGS NORTH AMERICA INC. | $3,907 | BUREAU OF LAND MANAGEMENT | BUREAU OF LAND MANAGEMENT | — | 541380Testing Laboratories and Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Sep 15, 2025 | Aug 29, 2025 | Sep 20, 2025 |
| | COMBUSTIBLE DUST HAZARD ANALYSIS BLDG 1346 | GOVCREST INC | $45,500 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Sep 12, 2025 | Sep 12, 2025 | Sep 25, 2025 |
| | NR-ARD-5 END OF YEAR EQUIPMENT TA | AIR RESOURCE SPECIALISTS, INC | $295,600 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Sep 9, 2025 | Sep 9, 2025 | Sep 14, 2026 |
| | INDUSTRIAL HYGIENE AIR QUALITY TESTING | AEHS INCORPORATED | $239,657 | DEPT OF THE ARMY | DEFENSE HEALTH AGENCY (DHA) | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Aug 19, 2025 | Oct 1, 2025 | Sep 30, 2029 |
| | SILICA TESTING BURNING MAN EVENT 2025 | SGS NORTH AMERICA INC. | $888 | BUREAU OF LAND MANAGEMENT | BUREAU OF LAND MANAGEMENT | — | 541380Testing Laboratories and Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Aug 18, 2025 | Aug 11, 2025 | Feb 11, 2026 |
| | ANNUAL TEXAS AIR QUALITY INSPECTION FEE FY25 IAW ATTACHED INVOICE ACCOUNT: 21505481 INVOICE: EIF0049417 | TEXAS COMMISSION ON ENVIRONMENTAL QUALITY | $22,994 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 924110Administration of Air and Water Resource and Solid Waste Management Programs | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Aug 11, 2025 | Aug 7, 2025 | Aug 14, 2025 |
| | NR-ARD-4 OPTICAL AND SCENE MONITORING | AIR RESOURCE SPECIALISTS, INC | $333,324 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 541620Environmental Consulting Services | B502SPECIAL STUDIES/ANALYSIS- AIR QUALITY | Aug 6, 2025 | Aug 6, 2025 | Aug 5, 2026 |