Tetra Tech controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2016
Hunters Point Naval Shipyard soil-sample controversy
Tetra Tech faced allegations that soil-sample results from the Hunters Point Naval Shipyard cleanup in San Francisco had been falsified. The U.S. Navy identified anomalous results, while later comments cited by PEER questioned the reliability of a large portion of the dataset. Tetra Tech disputed those conclusions and offered to support independent retesting. In 2018, two former supervisors pleaded guilty to falsifying results, and in 2019 the Justice Department sued Tetra Tech over alleged false claims and billing connected with the cleanup.