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PSC code

SPECIAL STUDIES/ANALYSIS- CHEMICAL/BIOLOGICAL

PSC code
B504
Latest action
Aug 7, 2026
Median award value
Not published

Fewer than the minimum comparable awards under this PSC code.

Awards
1431
Contractors
71

Largest awards under this code

AwardContractorAgencyPlaceFirst actionCurrent value
1232SA25C0028

NBAF - ACCELERATED PROJECT MANAGEMENT, STAND-UP PLANNING AND RECOMMISSIONING

MERRICK & COMPANYDepartment of AgricultureKSAug 29, 2025$26,965,072
1232SA26C0001

NBAF - BAS SUPPORT

MERRICK & COMPANYDepartment of AgricultureKSJul 8, 2026$20,109,754
W9115121F0275

TEST DOCUMENTATION SUPPORT SERVICES (TDSS)

QUALIS, LLCDepartment of DefenseUTMar 5, 2026$15,907,190
70RSAT24C00000001

ADMINISTRATIVE MODIFICATION

MERRICK & COMPANYDepartment of Homeland SecurityNYJun 4, 2026$14,924,331
68HE0921F0058

FUNDING AND STOP WORK ORDER WITH SUBCONTRACTOR

ICF INCORPORATED, L.L.C.Environmental Protection AgencyCAMar 25, 2026$11,130,036
47QFWA22F0033

INTEGRATED EARLY WARNING FOR THE CHEMICAL BIOLOGICAL RADIOLOGICAL AND NUCLEAR CBRN SUPPORT TO COMMAND AND CONTROL CSC2

BRYCE SPACE AND TECHNOLOGY, LLCGeneral Services AdministrationMDApr 1, 2026$8,766,940
68HE0221F0062

ESAT CONTRACT TASK ORDER 001R02-SUPERFUND DATA VALIDATION/REVIEW. INCREMENTAL FUNDING, CLIN 4001. PERIOD OF PERFORMANCE 07/23/2025 TO 07/22/2026. P00025.

TECHLAW CONSULTANTS INCEnvironmental Protection AgencyNJMar 18, 2026$7,166,865
68HE0221F0055

ESAT TASK ORDER 002R02 SUPERFUND ANALYTICAL AND LABORATORY SUPPORT. INCREMENTAL FUNDING. OPTION PERIOD 04, CLIN 4001. OPTION PERIOD 4 (YR 5) 07/20/2025 TO 07/19/2026. MOD P00037.

TECHLAW CONSULTANTS INCEnvironmental Protection AgencyNJMar 6, 2026$6,707,763
68HE0421F0021

R4 ESAT SUPERFUND AND EMERGENCY MANAGEMENT DIVISION - PROGRAM SUPPORT -FUNDING MODIFICATION (P00029).

SERCO INCEnvironmental Protection AgencyGAApr 13, 2026$5,799,433
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 AgencyVAApr 30, 2024$4,350,243
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 INCEnvironmental Protection AgencyMAMar 20, 2026$4,049,870
68HE0521F0046

REGION 5 TASK ORDER

ICF INCORPORATED, L.L.C.Environmental Protection AgencyILApr 19, 2021$3,994,495
INM17PC00009

DEEPWATER ATLANTIC HABITATS II: CONTINUED ATLANTIC RESEARCH AND EXPLORATION IN DEEPWATER ECOSYSTEMS WITH FOCUS ON CORAL, CANYON AND SEEP COMMUNITIES.

TDI-BROOKS INTERNATIONAL INCDepartment of the InteriorTXJun 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 INCEnvironmental Protection AgencyTXMar 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 AgencyORJun 22, 2021$3,153,726
HHSN261201700020C

FY26 UDO INITIATIVE; MANUFACTURE OF BULK CHEMICALS AND BULK PHARMACEUTICAL INGREDIENTS FOR PRECLINICAL AND CLINICAL STUDIES

ALCHEM LABORATORIES CORPORATIONDepartment of Health and Human ServicesFLJun 5, 2026$2,809,618
68HE0921F0066

FUNDING

ICF INCORPORATED, L.L.C.Environmental Protection AgencyORMar 9, 2026$2,449,607
68HE0523F0061

ESAT REGION 5 LABORATORY SUPPORT. THE PURPOSE OF THIS MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE BY SIX MONTHS UNDER CLIN 2.

ICF INCORPORATED, L.L.C.Environmental Protection AgencyILMar 30, 2026$2,274,237
W912EF25C0004

NWW BIOLOGICAL SERVICES MODIFICATION FOR ADDITIONAL BIOLOGICAL SERVICES.

ENVIRONMENTAL ASSESSMENT SERVICES, LLCDepartment of DefenseWAFeb 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 ServicesMAMar 24, 2026$1,956,704
68HE0825F0011

ANALYTICAL & BIOANALYTICAL SERVICES FOR R8 EPA

TECHLAW CONSULTANTS INCEnvironmental Protection AgencyVAApr 13, 2026$1,849,664
68HE0825F0015

FIELD, RISK ASSESSMENT & HYDROGEOLOGIC SUPPORT AT R8 DENVER

TECHLAW CONSULTANTS INCEnvironmental Protection AgencyVAApr 13, 2026$1,722,276
68HE0221F0059

ESAT CONTRACT TASK ORDER 005R02 LABORATORY, ANALYTICAL, AND DATA VALIDATION SUPPORT, NON SUPERFUND. OPTION PERIOD 04, CLIN 4001. PERIOD OF PERFORMANCE 07/23/2025 TO 07/22/2026. INCREMENTAL FUNDING. P00018.

TECHLAW CONSULTANTS INCEnvironmental Protection AgencyNJMar 13, 2026$1,125,020
68HE0121F0012

ESAT CONTRACT 68HE0121D0001, TO-2 NON-SUPERFUND ANALYTICAL SUPPORT MOD 017 FUNDING ONLY

TECHLAW CONSULTANTS INCEnvironmental Protection AgencyMAMar 30, 2026$1,116,691
75F40123C00142

IMPACT OF API CQAS ON IN SITU FORMING IMPLANTS AND UNDERSTANDING IN VITRO AND IN VIVO PERFORMANCE DIFFERENCES

UNIVERSITY OF CONNECTICUTDepartment of Health and Human ServicesCTMay 21, 2026$1,103,886

Related records

Derived from awards these records share, ordered by how many.

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.

  1. 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.
PSC B504 — SPECIAL STUDIES/ANALYSIS- CHEMICAL/BIOLOGICAL federal contracts · BidBenchmark