PSC code
SPECIAL STUDIES/ANALYSIS- CHEMICAL/BIOLOGICAL
- PSC code
- B504
- Latest action
- Sep 22, 2026
Fewer than the minimum comparable awards under this PSC code.
Largest awards under this code
| Award | Contractor | Agency | Place | First action | Current value |
|---|---|---|---|---|---|
| 1232SA25C0028 NBAF - ACCELERATED PROJECT MANAGEMENT, STAND-UP PLANNING AND RECOMMISSIONING | MERRICK & COMPANY | Department of Agriculture | KS | Aug 29, 2025 | $26,965,072 |
| 1232SA26C0001 NBAF - BAS SUPPORT | MERRICK & COMPANY | Department of Agriculture | KS | Jul 8, 2026 | $20,109,754 |
| W9115121F0275 TEST DOCUMENTATION SUPPORT SERVICES | QUALIS, LLC | Department of Defense | UT | Aug 10, 2021 | $15,907,190 |
| 70RSAT24C00000001 ADMINISTRATIVE MODIFICATION | MERRICK & COMPANY | Department of Homeland Security | NY | Jun 4, 2026 | $14,924,331 |
| 68HE0921F0058 DUNS NUMBER: 072648579 ENVIRONMENTAL SERVICES ASSISTANCE TEAM (ESAT) REGION 9, ANALYTICAL & QUALITY ASSURANCE SUPPORT. ICF CONTRACT #68HE0121D0002, TASK ORDER #68HE0921F0058 BASE PERIOD (YEAR 1, POP 6/22/2021 - 5/31/2022). | ICF INCORPORATED, L.L.C. | Environmental Protection Agency | CA | Jun 22, 2021 | $11,160,337 |
| 47QFWA22F0033 INTEGRATED EARLY WARNING FOR THE CHEMICAL BIOLOGICAL RADIOLOGICAL AND NUCLEAR CBRN SUPPORT TO COMMAND AND CONTROL CSC2 | BRYCE SPACE AND TECHNOLOGY, LLC | General Services Administration | MD | Apr 1, 2026 | $8,766,940 |
| 68HE0221F0062 ESAT CONTRACT - TASK ORDER 001R02 SUPERFUND LABORATORY AND ANALYTICAL SUPPORT. | TECHLAW CONSULTANTS INC | Environmental Protection Agency | NJ | Jul 22, 2021 | $7,166,865 |
| 68HE0221F0055 ESAT TASK ORDER 002R02 SUPERFUND ANALYTICAL CHEMISTRY AND LABORATORY SUPPORT. | TECHLAW CONSULTANTS INC | Environmental Protection Agency | NJ | Jul 19, 2021 | $6,707,763 |
| 68HE0421F0021 R4 ESAT SUPERFUND AND EMERGENCY MANAGEMENT DIVISION - PROGRAM SUPPORT -FUNDING MODIFICATION (P00029). | SERCO INC | Environmental Protection Agency | GA | Apr 13, 2026 | $5,799,433 |
| W52P1J17C0006 IGF::CL,CT::IGF | APTIM FEDERAL SERVICES, LLC | Department of Defense | VA | Dec 1, 2016 | $5,286,144 |
| 68HE0324F0035 R3 ESC ANALYTICAL AND DATA VALIDATION SERVICES UNDER BASE ESAT CONTRACT NUMBER 68HE0121D0002, OPTION YEARS 4 & 5 | ICF INCORPORATED, L.L.C. | Environmental Protection Agency | VA | Apr 30, 2024 | $4,563,809 |
| 68HE0521F0046 REGION 5 TASK ORDER | ICF INCORPORATED, L.L.C. | Environmental Protection Agency | IL | Apr 19, 2021 | $4,106,600 |
| 68HE0121F0011 ESAT SUPERFUND TASK ORDER AND TO PROVIDE FUNDING FOR 68HE0121D0001 / YR-1 / TO-1 SUPERFUND SUPPORT JUSTIFICATION: FOR SUPERFUND ANALYTICAL SUPPORT MOD 14: OPT TO EXTEND | TECHLAW CONSULTANTS INC | Environmental Protection Agency | MA | Mar 20, 2026 | $4,049,870 |
| INM17PC00009 DEEPWATER ATLANTIC HABITATS II: CONTINUED ATLANTIC RESEARCH AND EXPLORATION IN DEEPWATER ECOSYSTEMS WITH FOCUS ON CORAL, CANYON AND SEEP COMMUNITIES. | TDI-BROOKS INTERNATIONAL INC | Department of the Interior | TX | Jun 18, 2026 | $3,923,510 |
| 68HE0621F0010 ANALYTICAL CHEMISTRY SUPPORT THE PURPOSE OF THIS MODIFICATION IS TO EXTEND SERVICES AND THE PERIOD OF PERFORMANCE FROM APRIL 1, 2026 TO MAY 31, 2026, AND TO ADD FUNDING ON CLIN 0001 IN THE AMOUNT OF $95,000. | SERCO INC | Environmental Protection Agency | TX | Mar 16, 2026 | $3,604,816 |
| 68HE0921F0060 ICF ESAT TASK ORDER #68HE0921F0060 BASE YEAR (POP 6/23/2021 - 5/31/2022) REGION 9 NON-SUPERFUND PROGRAM ANALYTICAL AND QUALITY ASSURANCE SUPPORT. | ICF INCORPORATED, L.L.C. | Environmental Protection Agency | OR | Jun 22, 2021 | $3,153,726 |
| 75F40123C00186 RESEARCH CHALLENGES RELATED TO ENVIRONMENTALLY FRIENDLY PROPELLANTS IN METERED DOSE INHALERS | APTARGROUP INC | Department of Health and Human Services | IL | Sep 20, 2023 | $2,846,449 |
| HHSN261201700020C FY26 UDO INITIATIVE; MANUFACTURE OF BULK CHEMICALS AND BULK PHARMACEUTICAL INGREDIENTS FOR PRECLINICAL AND CLINICAL STUDIES | ALCHEM LABORATORIES CORPORATION | Department of Health and Human Services | FL | Jun 5, 2026 | $2,809,618 |
| 68HE0921F0066 THE PURPOSE OF THIS TASK ORDER IS TO INITIATE TASK ORDER 3: AMBIENT AIR QUALITY MONITORING FIELD QUALITY ASSURANCE SUPPORT UNDER ESAT CONTRACT 68HE0121D0002 | ICF INCORPORATED, L.L.C. | Environmental Protection Agency | OR | Jul 23, 2021 | $2,603,585 |
| 68HE0523F0061 NEW TASK ORDER DUE TO QA LAB REQUIREMENTS SPLIT. | ICF INCORPORATED, L.L.C. | Environmental Protection Agency | IL | Apr 28, 2023 | $2,324,512 |
| W912EF25C0004 NWW BIOLOGICAL SERVICES MODIFICATION FOR ADDITIONAL BIOLOGICAL SERVICES. | ENVIRONMENTAL ASSESSMENT SERVICES, LLC | Department of Defense | WA | Feb 27, 2026 | $1,978,687 |
| 75F40124C00013 THE PURPOSE OF THIS MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE FOR 24 MONTHS FROM 12/06/2023 - 05/29/2026 TO 12/06/2023 - 05/29/2028 | EMERALD INNOVATIONS, INC. | Department of Health and Human Services | MA | Mar 24, 2026 | $1,956,704 |
| 68HE0825F0011 ANALYTICAL & BIOANALYTICAL SERVICES FOR R8 EPA | TECHLAW CONSULTANTS INC | Environmental Protection Agency | VA | Dec 31, 2024 | $1,849,664 |
| 68HE0825F0015 FIELD, RISK ASSESSMENT & HYDROGEOLOGIC SUPPORT AT R8 DENVER | TECHLAW CONSULTANTS INC | Environmental Protection Agency | VA | Apr 13, 2026 | $1,722,276 |
| 75F40124C00131 A MOSAIC APPROACH FOR UNDERSTANDING STIMULANT AND OPIOID USE AND USE DISORDER TRAJECTORIES AND ASSOCIATED CONSEQUENCES IN US ADULTS | REGENTS OF THE UNIVERSITY OF MICHIGAN | Department of Health and Human Services | MI | Sep 12, 2024 | $1,649,006 |
Related records
Derived from awards these records share, ordered by how many.
Bought by
Performed in
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 Sep 24, 2026. Miscoded awards stay miscoded here; we do not reassign codes.