PSC code
SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS
- PSC code
- B510
- Latest action
- Sep 24, 2026
- p10
- $143,574
- p25
- $173,123
- p75
- $1,044,194
- p90
- $1,278,777
Largest awards under this code
| Award | Contractor | Agency | Place | First action | Current value |
|---|---|---|---|---|---|
| W9123822C0011 OPTION YEAR FOUR (4) HILL AFB, BASE INTEGRATED ENVIRONMENTAL SUPPORT TASKS (BIEST) | JACOBS ENGINEERING GROUP INC. | Department of Defense | UT | Apr 15, 2026 | $28,224,156 |
| W912P924F0013 W912P924F0013 P00013-OAZ FACILITY AREA REMEDIATION | KEMRON ENVIRONMENTAL SERVICES, INC. | Department of Defense | IL | Apr 14, 2026 | $24,748,880 |
| 68HERH21F0185 THIS ACTION FORMALLY EXECUTES THE VERBAL TASK ORDER ISSUED ON 3/2/2021 UNDER THIS CONTRACT AND THE SUBSEQUENT MODIFICATIONS, ISSUED ON 3/17/2021 AND 3/26/2021 IN ACCORDANCE WITH CONTRACT CLAUSES EPAAR 1552.216-72 ORDERING-BY DESIGNATED ORDERING OFFIC | CONSOLIDATED SAFETY SERVICES INCORPORATED | Environmental Protection Agency | DC | Apr 1, 2021 | $24,175,716 |
| N6274224F0180 THIS CONTRACT TASK ORDER (CTO) MODIFICATION IS ISSUED TO REALLOCATE FUNDS FROM TASK 13B TO TASK 14. | HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. | Department of Defense | HI | Apr 8, 2026 | $22,572,693 |
| 68HE0923F0051 THE CONTRACTOR SHALL PERFORM REQUIRED TO CONDUCT THE ENGINEERING EVALUATION/COST ANALYSIS (EE/CA) AND RELATED TASKS AT THE FOLLOWING TRONOX ABANDONED URANIUM MINES LOCATED IN NAVAJO NATION'S NORTHERN AGENCY. THIS IS A TASK ORDER UNDER RAES 2 CON | TETRA TECH, INC. | Environmental Protection Agency | AZ | Jul 20, 2023 | $20,268,423 |
| 68HE0122F0044 SUPERFUND TECHNICAL ASSESSMENT & RESPONSE TEAM (START) 8-A CONTRACT BROWNFIELDS TASK ORDER | KGSNE JV II LLC | Environmental Protection Agency | MA | Sep 16, 2022 | $18,047,426 |
| EPW12010 THIS SERVICE CONTRACT IS FOR NATA AND RISK ASSESSMENT ACTIVITIES WITHIN THE INTEGRATED AIR PROGRAM, FULL & OPEN REQUIREMENT - B510 - SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENT | ICF INCORPORATED, L.L.C. | Environmental Protection Agency | VA | May 11, 2026 | $17,146,694 |
| 89303323FEM000031 WEST VALLEY DEMONSTRATION PROJECT (WVDP) SUPPLEMENTAL ENVIRONMENTAL IMPACT STATEMENT (SEIS) | S C & A INC | Department of Energy | OH | Sep 29, 2023 | $16,168,969 |
| 140R3023F0037 EIS - POST-2026 LOWER COLORADO RIVER RESERVOIR OPERATIONAL STRATEGIES FOR LAKE POWELL AND LAKE MEAD | ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC | Department of the Interior | CO | Apr 14, 2023 | $14,356,181 |
| W912P923F0129 VEQ 006 M AND H ZINC RESIDENTIAL REMEDIATION | PE AYUDA JOINT VENTURE LLC | Department of Defense | IL | Mar 3, 2026 | $13,739,457 |
| 68HE0923F0071 THE CONTRACTOR PROVIDE TECHNICAL SUPPORT AND ASSISTANCE FOR THE USEPA NAVAJO ABANDONED URANIUM MINES (NAUM) PROGRAM AS IT DEVELOPS PROGRAM STANDARDS, TRAININGS AND WORKSHOPS, AND OTHER TECHNICAL SUPPORT WORK NEEDED FOR SITE INVESTIGATION. | TETRA TECH, INC. | Environmental Protection Agency | NM | Sep 12, 2023 | $13,504,856 |
| 89603024F0022 HYDROPOWER ENVIRONMENTAL AND ENGINEERING SERVICES (HEES) SUPPORT SERVICES | WSP USA SOLUTIONS INC | Department of Energy | DC | Apr 2, 2026 | $11,322,384 |
| 68HE0923F0074 THE CONTRACTOR SHALL PROVIDE THE SUPPORT NEEDED FOR TECHNICAL DESIGN SERVICES,& PLANNING AND CONDUCTING CLEANUP VERIFICATION OF TCRAS, PILOT STUDIES, OR OTHER INTERIM ACTIONS AT TRONOX AUMS UNDER THE RAES II CONTRACT #68HE0923D0002 FOR EPA FOR RE | TETRA TECH, INC. | Environmental Protection Agency | AZ | Sep 29, 2023 | $10,655,361 |
| DOLOPS15C0016 THE PURPOSE OF THIS MODIFICATION IS TO DE-OBLIGATE EXCESS FUNDS IN THE AMOUNT OF $481,015.59 | PARAGON TECHNICAL SERVICES, INC. | Department of Labor | OH | Mar 25, 2026 | $10,318,596 |
| 70B01C25F00001216 CONSTRUCTION MONITORING SERVICE | DAWSON SOLUTIONS, INC. | Department of Homeland Security | AL | Sep 23, 2025 | $9,960,992 |
| 89303326FEM400472 THE PURPOSE OF THIS CONTRACT IS TO PROVIDE PROBABILISTIC PERFORMANCE ASSESSMENT (PPA) AND STATISTICAL DECISION ANALYSIS SERVICES TO THE US DEPARTMENT OF ENERGY (DOE) WEST VALLEY DEMONSTRATION PROJECT. | NEPTUNE AND COMPANY, INCORPORATED | Department of Energy | OH | Apr 30, 2026 | $9,789,938 |
| 89303024FGD000004 THE PURPOSE OF THIS ADMINISTRATIVE MODIFICATION IS TO UPDATE ATTACHMENT 1 PERFORMANCE WORK STATEMENT (PWS) TO REMOVE GRID DEPLOYMENT OFFICE (GDO) REFERENCE AND REPLACE WITH OFFICE OF ELECTRICITY (OE), UPDATE THE COR, IAO AND CPARS EVALUATOR. | POTOMAC-HUDSON ENGINEERING INC | Department of Energy | DC | Mar 17, 2026 | $9,668,467 |
| 70B01C26F00000178 CONSTRUCTION MONITORING SERVICES | TIERRA RIGHT OF WAY SERVICES LTD | Department of Homeland Security | AZ | Mar 8, 2026 | $8,589,712 |
| 70B01C26F00000072 REVISE WORK REQUIREMENTS | ECO & ASSOCIATES, INC. | Department of Homeland Security | CA | Mar 24, 2026 | $8,393,259 |
| 70B01C26F00000237 CONSTRUCTION MONITORING SERVICES SW BORDER | GULF SOUTH RESEARCH CORP | Department of Homeland Security | LA | Mar 10, 2026 | $8,078,087 |
| 70B01C26F00000116 ADD MONITORING SERVICES | VERNADERO GROUP INC | Department of Homeland Security | AZ | Jul 26, 2026 | $7,473,493 |
| 70B01C26F00000717 CONSTRUCTION MONITORING | VERNADERO GROUP INC | Department of Homeland Security | AZ | Aug 15, 2026 | $7,445,988 |
| 47QFHA23F0016 ARNG INDUSTRIAL HYGIENE NORTHEAST REGION TIER 1 AND 2 SERVICES | RMEC ENVIRONMENTAL, LLC | General Services Administration | MD | Sep 28, 2023 | $6,636,633 |
| 68HE0923F0072 THE PURPOSE OF THIS BILATERAL MODIFICATION IS TO INCREASE THE LEVEL-OF-EFFORT AND FUNDING; TO 16 UNDER RAES 2 CONTRACT #68HE0923D0002. | TETRA TECH, INC. | Environmental Protection Agency | AZ | Jul 10, 2026 | $6,546,625 |
| 70B01C26F00000611 CONSTRUCTION MONITORING | DAWSON SOLUTIONS, INC. | Department of Homeland Security | AL | Aug 10, 2026 | $5,938,605 |
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 Sep 26, 2026. Miscoded awards stay miscoded here; we do not reassign codes.
- 2Published distribution over 10 awards, computed Sep 12, 2026 (snapshot 2a6c91692494).