Tetra Tech accused of faking radiation data at San Francisco shipyard, settles for $57 million

Tetra Tech EC Inc., a wholly-owned subsidiary of Tetra Tech Inc., paid $57 million to resolve False Claims Act allegations that it fabricated work and falsified data used by the U.S. Department of the Navy to determine whether the former Hunters Point Naval Shipyard in the San Francisco Bay was free from harmful radiation, the Justice Department announced.