PSC code
SPECIAL STUDIES/ANALYSIS- AIR QUALITY
- PSC code
- B502
- Latest action
- Aug 4, 2026
Fewer than the minimum comparable awards under this PSC code.
Largest awards under this code
| Award | Contractor | Agency | Place | First action | Current value |
|---|---|---|---|---|---|
| 47QFSA24F0011 REALIGNMENT OF FUNDS AND DE-OBLIGATION OF EXPIRED FUNDS | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | General Services Administration | DC | Mar 31, 2026 | $6,333,997 |
| 140P2126F0038 NR-ARD-281 IMPROVE NETWORK OPERATIONS | UNIVERSITY OF CALIFORNIA, DAVIS | Department of the Interior | CA | Apr 30, 2026 | $2,722,726 |
| 140P2126F0094 NR-ARD-1 GPMP NETWORK OPS TASK ORDER | AIR RESOURCE SPECIALISTS, INC | Department of the Interior | CO | Jul 14, 2026 | $1,970,115 |
| FA850125F0126 THIS CONTRACT WILL PROVIDE SERVICES TO SUPPORT THE 78 MEDICAL GROUP (MDG) BIOENVIRONMENTAL ENGINEERING (BE) INDUSTRIAL HYGIENE AIR SAMPLING EVALUATIONS AND ROUTINE ASSESSMENTS OF INDUSTRIAL VENTILATION SYSTEMS. | H & L ENVIRONMENTAL SERVICES, LLC | Department of Defense | GA | May 1, 2026 | $1,510,171 |
| 140L0622F0153 DEOB MODIFICATION FOR CLOSEOUT | ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC | Department of the Interior | NM | Jun 18, 2026 | $1,308,809 |
| 140P2123C0036 THE PURPOSE OF THIS MODIFICATION IS TO ENSURE COMPLIANCE WITH UPDATED FEDERAL GUIDANCE AND TO ELIMINATE NON-STATUTORY SUSTAINABILITY REQUIREMENTS, AS WELL AS ENHANCE THE REPRESENTATIONAL AND CERTIFICATION CLAUSES WITHIN THE CONTRACT. | WSP USA ENVIRONMENT & INFRASTRUCTURE INC. | Department of the Interior | PA | Jun 23, 2026 | $991,797 |
| 140P2126F0097 NR-ARD-4 DRI-IMPROVE CARBON ANALYSIS | NEVADA SYSTEM OF HIGHER EDUCATION | Department of the Interior | NV | Jul 15, 2026 | $773,310 |
| 140P2126F0107 NR-ARD-6 IMPROVE ION ANALYSIS TO OP 1 | RESEARCH TRIANGLE INSTITUTE | Department of the Interior | NC | Jul 23, 2026 | $420,075 |
| 140P2126F0073 NR-ARD-272 OPTICAL AND SCENE MONITORING | AIR RESOURCE SPECIALISTS, INC | Department of the Interior | CO | May 11, 2026 | $340,547 |
| 36C24624F0003 ASBESTOS AIR MONITORING | MABBETT & ASSOCIATES, INC. | Department of Veterans Affairs | VA | Jul 10, 2026 | $263,668 |
| 36C26224C0262 EO 14398 MODIFICATION. AIR QUALITY MONITORING SERVICE | SATORI DEFENSE LLC | Department of Veterans Affairs | CA | May 30, 2026 | $108,923 |
| 36C24226N0111 IDC FOR ASBESTOS AIR MONITORING AND MATERIAL SAMPLING SERVICES | TRINE ENVIRONMENTAL INC | Department of Veterans Affairs | NY | May 29, 2026 | $90,000 |
| W912PP25V0002 JOHN MARTIN AND TRINIDAD CURATION (LOUDEN HENRITZE CURATION) | STATE BOARD FOR COMMUNITY COLLEGES & OCC | Department of Defense | CO | Mar 30, 2026 | $78,650 |
| 140L0624F0177 MOD TO DEOBLIGATE EXCESS FUNDING AND DO A NO COST CANCELLATION. | AIR RESOURCE SPECIALISTS, INC | Department of the Interior | CO | May 6, 2026 | $63,123 |
| 2033H626F00046 INDOOR AIR AND WATER QUALITY TESTING AT ALL FISCAL SERVICE LOCATIONS - ADD CLAUSE 52.222-90 | ENVIRONMENTAL CONSULTING GROUP, INC. | Department of the Treasury | IL | May 7, 2026 | $42,777 |
| 6913G626P800028 THE PURPOSE OF THIS REQUEST IS TO CONDUCT A LASPORT ANALYSIS IN SUPPORT OF NONLINEAR CHEMISTRY AND AIRCRAFT EXHAUST MODELING ENHANCEMENTS. | JANICKE GBR INGENIEURBURO FUR UMWELTPHYSIK | Department of Transportation | — | Jun 12, 2026 | $40,250 |
| 68HERL26P0263 REPAIRS AND ON-SITE INSTALLATION OVERSIGHT SUPPORTING THE EXISTING CAS AUTOMATIC GAS CHROMATOGRAPH (AUTO-GC) CURRENTLY SITED AT EPA'S RTP AIR INNOVATION RESEARCH STATION (AIRS) FACILITY; SHIPMENT OF THE CAS UNIT TO/FROM THE MANUFACTURER/VENDOR F | CONSOLIDATED ANALYTICAL SYSTEMS INC | Environmental Protection Agency | NC | Jul 9, 2026 | $38,466 |
| 6991PE22P000024 ASBESTOS AIR MONITORING T DE-OBLIGATE EXCESS FUNDING PRIOR TO FINAL INVOICING | TITAN ENVIRONMENTAL SOLUTIONS, INC | Department of Transportation | CA | May 18, 2026 | $32,515 |
| 140P2126F0043 NR-ARD-282 SPECIAL OZONE DATA PROCESSING | AIR RESOURCE SPECIALISTS, INC | Department of the Interior | CO | Mar 25, 2026 | $31,486 |
| W912PP25V0001 EXERCISE OPTION YEAR 1 | EASTERN NEW MEXICO UNIVERSITY | Department of Defense | NM | Mar 19, 2026 | $29,664 |
| 140P2126F0086 F250 AIR QUALITY MONITORING | AIR RESOURCE SPECIALISTS, INC | Department of the Interior | DC | Jun 8, 2026 | $17,176 |
| 36C24226N0468 IDC FOR ASBESTOS AIR MONITORING AND MATERIAL SAMPLING SERVICES | TRINE ENVIRONMENTAL INC | Department of Veterans Affairs | NY | Apr 9, 2026 | $16,070 |
| W519TC26PA130 COMPLIANCE AIR EMISSION ESTIMATES FOR AMMUNITION PECULIAR EQUIPMENT (APE) MODEL 1236M2 DEACTIVATION FURNACE GOVERNED BY THE OKLAHOMA DEPARTMENT OF ENVIRONMENTAL QUALITY AND CLEAN AIR ACT REGULATION. | COTERIE ENVIRONMENTAL LLC | Department of Defense | OK | Apr 30, 2026 | $12,757 |
| 36C24426N0504 ABATEMENT MONITORING AND HAZARDOUS MATERIALS TESTING AT THE WILKES-BARRE VA HEALTHCARE SYSTEM. | TRINE ENVIRONMENTAL INC | Department of Veterans Affairs | PA | Mar 17, 2026 | $12,227 |
| N6852023P0090 OPT EX YEAR 3 | TRI AIRTESTING INC | Department of Defense | MD | Apr 6, 2026 | $8,160 |
Related records
Derived from awards these records share, ordered by how many.
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Sources and method
Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.
Totals cover awards where the government recorded this PSC code. Codes are taken as reported; awards are never reclassified into a different code.
- 1Awards are grouped by the PSC code the government recorded on the award, taken from USAspending.gov and last refreshed Aug 10, 2026. Miscoded awards stay miscoded here; we do not reassign codes.