Bechtel Corp.

It’s a big test baby: Hanford’s Waste Treatment Plant marked the arrival of its first nearly 7-ton canister of test glass. Top managers and workers…

Under the settlement, Bechtel Corp. and Aecom will pay nearly $58 million over allegations from current or former Hanford employees. The workers said they were retaliated against for blowing the whistle over how labor hours were billed.