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Award ID | Description | Recipient | Total Value | Awarding Agency | Funding Agency | Set Aside | NAICS | PSC | Award Date | Start Date | End Date | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| THE PURPOSE OF THIS TASK ORDER IS TO PROVIDE TECHNICAL SUPPORT TO EPA REGION 6 IN FULFILLMENT OF ITS RESPONSIBILITIES FOR OVERSIGHT AND ENFORCEMENT OF ARCO'S ONGOING RI/FS UNDER THE ASAOC AND TO ASSIST EPA IN COORDINATION AND COMMUNICATION WITH | TETRA TECH, INC. | $539,685 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 6, 2025 | Aug 6, 2025 | Aug 4, 2026 | ||
| TO 29 IS TO TO PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) BNSF RAILWAY COMPANY (BNSF) AS THEY PERFORM A BACKGROUND STUDY, DATA GAPS ANALYSIS AND ENGINEERING EVALUATIONS/COST ANALYSES (EE/CA). | TETRA TECH, INC. | $359,073 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2027 | ||
| THE PURPOSE OF THIS TASK ORDER IS ESTABLISH A TASK ORDER 27 TO PROVIDE TECHNICAL SUPPORT TO REGION 6 FOR OVERSIGHT OF AN ONGOING PRP RI/FS AND GOVERNMENT RI/FS AT THE HOMESTAKE MINING COMPANY UNDER THE RAES 2 CONTRACT. | TETRA TECH, INC. | $685,955 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jun 2, 2025 | Jun 2, 2025 | May 1, 2027 | ||
| ENVIRONMENTAL ASSESSMENT REPLACEMENT OF THE AIR ROUTE SURVEILLANCE RADAR (ARSR) ON MT. KA`ALA, OAHU, HAWAII | TETRA TECH, INC. | $277,365 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | F110ENVIRON SYS PROTECT- DEVELOPMENT OF ENVIRON IMPACT STMTS/ASSESSMENTS, TECH ANALYSIS/ENVIRON AUDITS | Apr 28, 2025 | Apr 28, 2025 | Jul 24, 2026 | ||
| THE CONTRACTOR SHALL PERFORM OVERSITE AND TECHNICAL REVIEW FOR REMOVAL SITE EVALUATIONS (RSE) AND RISK ASSESSMENT DOCUMENTS FOR WELLS CARGO ABANDONED URANIUM MINES (AUMS) UNDER THE RAES 2 CONTRACT 68HE0923D0002. | TETRA TECH, INC. | $96,818 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Apr 23, 2025 | Apr 23, 2025 | Apr 30, 2028 | ||
| THE CONTRACTOR SHALL PROVIDE SUPPORT REQUIRED FOR AGENCY OVERSIGHT OF THE UNITED NUCLEAR CORPORATION/GENERAL ELECTRIC (UNC/GE) WORK AT THE NORTHEAST CHURCH ROCK (NECR) MINE SITE UNDER RAES 2 CONTRACT. | TETRA TECH, INC. | $385,687 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jul 23, 2024 | Jul 23, 2024 | Jul 22, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE TO USEPA FOR TECHNICAL ASSISTANCE TO THE CONTAMINATED STRUCTURES PROGRAM UNDER THE RAES 2 CONTRACT. | TETRA TECH, INC. | $764,181 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jun 26, 2024 | Jun 26, 2024 | Sep 30, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL SUPPORT TO USEPA, REGION 6, IN FULFILLMENT OF ITS RESPONSIBILITIES FOR OVERSIGHT & ENFORCEMENT OF A GROUNDWATER RI/FS BEING PERFORMED BY PRPS AT THE SAN MATEO CREEK BASIN LEGACY URANIUM SITES UNDER THE RAES | TETRA TECH, INC. | $947,887 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | May 13, 2024 | May 13, 2024 | Sep 30, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE SUPPORT FOR REMOVAL SITE EVALUATIONS (RSE) AT THE SKYLINE AUM WHICH ENCOMPASSES SKYLINE MINE AND UTAH NO. 1 LEASE IN OLJATO-MONUMENT VALLEY, UTAH UNDER THE NN-AUM RESPONSE ASSESSMENT AND EVALUATION SERVICES (RAES) II CONT | TETRA TECH, INC. | $3,386,462 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Nov 22, 2023 | Nov 22, 2023 | Dec 31, 2026 | ||
| THE CONTRACTOR SHALL SUPPORT DEVELOPMENT OF THE FEDERAL ACTIONS TO ADDRESS IMPACTS OF URANIUM CONTAMINATION IN THE NAVAJO NATION 2020-2029 (TEN-YEAR PLAN) UNDER THE RAES 2 CONTRACT #68HE0923D0002. | TETRA TECH, INC. | $74,833 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Nov 2, 2023 | Nov 2, 2023 | Jun 12, 2026 | ||
| 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. | $10,655,361 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Sep 29, 2023 | Sep 29, 2023 | Sep 30, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT SUPPORT ASSOCIATED WITH ABANDONED URANIUM MINE (AUM) ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002. | TETRA TECH, INC. | $287,658 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Sep 18, 2023 | Sep 18, 2023 | Jun 30, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE SUPPORT FOR NON TIME-CRITICAL REMOVAL ACTION PLANNING & OVERSIGHT SUPT ASSOCIATED W/ENPRO HOLDINGS ON NAVAJO NATION UNDER THE RESPONSE ASSESSMENT & EVALUATION SERVICES (RAES) II CONTRACT #68HE0923D0002. | TETRA TECH, INC. | $428,850 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Sep 18, 2023 | Sep 18, 2023 | Apr 30, 2028 | ||
| CONTRACTOR SHALL PROVIDE TECHNICAL DESIGN SERVICES FOR PLANNING & CONDUCTING CLEANUP VERIFICATION OF, TCRA, PILOT STUDIES, OR REQUIREMENTS AT TRONOX COVE TRANSFER STATION COMPLETE (CTS), ACCESS ROADS IN NN UNDER THE RAES 2 CONTRACT #68HE0923D0002 | TETRA TECH, INC. | $3,692,684 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Sep 18, 2023 | Sep 18, 2023 | Aug 1, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE EVALUATIONS FOR THE REMAINING KNOWN 278 UNFUNDED AUMS AND MINE AREAS ON THE NAVAJO NATION UNDER THE NN-AUM RESPONSE ASSESSMENT AND EVALUATION SERVICES (RAES) II CONTRACT FOR EPA FOR REGIONS 6 & 9. | TETRA TECH, INC. | $1,101,146 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Sep 13, 2023 | Sep 13, 2023 | Sep 13, 2026 | ||
| 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. | $8,393,088 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Sep 12, 2023 | Sep 12, 2023 | Apr 8, 2028 | ||
| THE CONTRACTOR SHALL SUPPORT REQUIREMENTS FOR DEVELOPING A CONCEPTUAL SITE MODEL (CSM), A REMEDIAL INVESTIGATION (RI), A RISK ASSESSMENT (RA), AND A FEASIBILITY STUDY (FS), COLLECTIVELY REFERRED TO AS AN RI/FS, AT THE LUKACHUKAI MOUNTAINS MINING DIST | TETRA TECH, INC. | $6,096,625 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 16, 2023 | Aug 16, 2023 | Dec 31, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE TASKS TO SUPPORT AGENCY OVERSIGHT OF REMOVAL SITE EVALUATIONS (RSES), INTERIM REMOVAL ACTIONS, ENGINEERING EVALUATION AND COST ANALYSIS (EE/CA), AND ANY OTHER ACTIVITY AT THE ABANDONED URANIUM MINES ( | TETRA TECH, INC. | $582,364 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 15, 2023 | Aug 15, 2023 | Aug 14, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) WESTERN NUCLEAR. AS THEY PERFORM ENGINEERING EVALUATIONS/COST ANALYSES (EE/CAS) AND REMOVAL ACTIONS (RAS) IN THE MARIANO LAKE AREA OF THE EASTE | TETRA TECH, INC. | $266,078 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 11, 2023 | Aug 11, 2023 | Aug 10, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) HOMESTAKE MINING COMPANY (HOMESTAKE) AS THEY PERFORM AN ENGINEERING EVALUATIONS/COST ANALYSIS (EE/CA) FOR THE MAC & BLACK JACK MINES IN THE | TETRA TECH, INC. | $265,624 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 10, 2023 | Aug 10, 2023 | Aug 9, 2027 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) EL PASO NATURAL GAS (EPNG) UNDER RAES 2 CONTRACT 68HE0923D0002. | TETRA TECH, INC. | $789,474 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 9, 2023 | Aug 9, 2023 | Aug 9, 2027 | ||
| ALAMEDA SISWC | TETRA TECH, INC. | $2,213,706 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 562910Remediation Services | F999OTHER ENVIRONMENTAL SERVICES | Aug 2, 2023 | Aug 2, 2023 | Jun 24, 2025 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OPERATING UNMANNED AERIAL VEHICLES & SYSTEMS ON NAVAJO NATION IN ACCORDANCE WITH THE PROVISIONS OF THE EPA POLICY ON UAV/UAS UNDER THE RAES2 CONTRACT #68HE0923D0002 FOR EPA FOR REGIONS 6 & | TETRA TECH, INC. | $205,630 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jul 25, 2023 | Jul 25, 2023 | Jul 25, 2026 | ||
| 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. | $15,279,190 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jul 20, 2023 | Jul 20, 2023 | Nov 19, 2026 | ||
| THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) CHEVRON U.S.A. INC. AS THEY FINALIZE AN ENGINEERING EVALUATIONS/COST ANALYSES (EE/CA) FOR THE MARIANO LAKE MINE IN THE EASTERN AGENCY OF THE NA | TETRA TECH, INC. | $261,883 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jul 17, 2023 | Jul 17, 2023 | Aug 16, 2027 |