| | 22M-NCBC GULFPORT SITE 6 PFAS REMEDIAL INVESTIGATION | TETRA TECH INC | $60,764 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 27, 2022 | Apr 25, 2022 | Apr 30, 2027 |
| | 22M-DLA FUEL SPILL NAS JRB FORT WORTH, TX | TETRA TECH INC | $85,046 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 27, 2022 | Apr 27, 2022 | Sep 30, 2026 |
| | EO14042 UXO 2 UNDERWATER REMEDIAL INVESTIGATION (RI) AND FEASIBIL | TETRA TECH INC | $258,201 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 25, 2022 | Apr 14, 2022 | Sep 30, 2027 |
| | 22M-NAS WHITING FIELD- OLF BARIN, OLF WOLF, OLF SILVERHILL PFAS R | TETRA TECH INC | $3,689,299 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 22, 2022 | Apr 22, 2022 | Apr 30, 2027 |
| | 22M-PFAS RI FL OLFS HOLLEY AND SPENCER | TETRA TECH INC | $1,915,194 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 22, 2022 | Apr 22, 2022 | Sep 30, 2026 |
| | 22M-NAS JACKSONVILLE PFAS REMEDIAL INVESTIGATION | TETRA TECH INC | $4,982,497 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 21, 2022 | Apr 21, 2022 | Apr 30, 2027 |
| | 22BRAC-PFAS SITE INVESTIGATION, NSA MID-SOUTH | TETRA TECH INC | $385,512 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 14, 2022 | Apr 12, 2022 | Dec 30, 2025 |
| | EO14042 BASEWIDE RADIOLOGICAL PRELIMINARY ASSESSMENT (PA), NORTH, | TETRA TECH INC | $261,991 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Mar 28, 2022 | Mar 24, 2022 | Sep 30, 2027 |
| | 22M-FIVE YEAR REVIEW FOLLOW ON ACTIONS, NAS JACKSONVILLE, FL | TETRA TECH INC | $1,935,189 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Mar 18, 2022 | Mar 17, 2022 | Dec 31, 2026 |
| | 22M-NAS KEY WEST UXO 1 FEASIBILITY STUDY, PP, ROD | TETRA TECH INC | $3,763,084 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Mar 15, 2022 | Mar 14, 2022 | Aug 31, 2027 |
| | NORTH, NAVSTA NEWPORT, SITE 8 PREDESIGN INVESTIGATION, GW AND AQU | TETRA TECH INC | $769,755 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Mar 1, 2022 | Mar 1, 2022 | Sep 30, 2027 |
| | 22M-NAS KEY WEST PFAS REMEDIAL INVESTIGATION | TETRA TECH INC | $3,800,434 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Feb 28, 2022 | Feb 23, 2022 | Apr 1, 2027 |
| | NORTH, NAVSTA NEWPORT, SITE 24 EXPANDED SASE, EECA AND ACTION MEM | TETRA TECH INC | $219,724 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Feb 8, 2022 | Feb 1, 2022 | Sep 30, 2027 |
| | 22M-NS MAYPORT FIVE YEAR REVIEW | TETRA TECH INC | $194,222 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Jan 6, 2022 | Jan 6, 2022 | Dec 31, 2024 |
| | 21M-NSA NEW ORLEANS PFAS REMEDIAL INVESTIGATION - SWING PROJECT | TETRA TECH INC | $4,694,317 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Sep 27, 2021 | Sep 25, 2021 | Sep 30, 2029 |
| | XB61 CMAGR RI PHASE 2/FS | TETRA TECH INC | $2,842,173 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Sep 27, 2021 | Sep 27, 2021 | Sep 26, 2026 |
| | NORTH, MS GREAT LAKES, MMRP INVESTIGATION AT FT. SHERIDAN | TETRA TECH INC | $742,361 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Sep 24, 2021 | Sep 21, 2021 | Sep 30, 2028 |
| | 21M-NAS JACKSONVILLE SITE 101 PFAS REMEDIAL INVESTIGATION | TETRA TECH INC | $735,444 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Sep 22, 2021 | Sep 21, 2021 | Sep 30, 2026 |
| | DAHLGREN SITE 20/23 VI STUDY | TETRA TECH INC | $386,976 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Sep 9, 2021 | Sep 9, 2021 | Sep 30, 2026 |
| | SITE 10 PFAS RI, NAVSUBASE NEW LONDON, CT (CLEAN) | TETRA TECH INC | $355,036 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Aug 18, 2021 | Aug 16, 2021 | Sep 30, 2026 |
| | FIVE YEAR REVIEW AND LUC INSPECTION, FORMER NAWC INDIANAPOLIS | TETRA TECH INC | $639,869 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Aug 4, 2021 | Aug 4, 2021 | Dec 30, 2028 |
| | NORTH, NEW LONDON, SITE 26 PFAS RI, CLEAN | TETRA TECH INC | $384,055 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Aug 4, 2021 | Aug 2, 2021 | Sep 30, 2026 |
| | 21M-NAS PENSACOLA FYR_SAMPLING_WELLINVENTORY_BACKGROUNDSTUDY | TETRA TECH INC | $665,818 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Aug 3, 2021 | Aug 3, 2021 | Aug 2, 2026 |
| | 21M-NAS JRB NEW ORLEANS SITES 5YR DATA GAP SAMPLING | TETRA TECH INC | $845,177 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Jul 23, 2021 | Jul 22, 2021 | Sep 20, 2026 |
| | 21M-NAS KEY WEST UXO 4 SI AND UXO 10 RD | TETRA TECH INC | $1,790,020 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Jul 12, 2021 | Jul 1, 2021 | Jul 1, 2026 |