TTEK - Tetra Tech wins $800M contract for PFAS remediation October, 31 2023 09:15 AM Tetra Tech Inc. 2023-10-31 09:15:28 ET More on Tetra Tech Tetra Tech: Good Near-Term And Long-Term Growth Prospects Tetra Tech Q3 2023 Earnings Call Transcript Seeking Alpha's Quant Rating on Tetra Tech For further details see: Tetra Tech wins $800M contract for PFAS remediation