Dive summary:

• Bechtel was hired to build a Vitrification Plant, which will process 56 million gallons of radioactive waste into glass; the project has received high criticism from the Department of Energy, however, for being a decade behind schedule and at lease 250% over budget.
• The Department of Energy has suspended much of the project’s design and construction until outstanding safety and technical concerns have been handled; Frank Russo, Bechtel’s project director, said the issues date as far back as 10 years and have long since been resolved.
• The Bechtel Vitrification Plant is the fourth attempt to build a treatment facility of this nature and is one of the world's largest and most expensive environmental remediation projects.

From the article:

San Francisco based engineering, construction and project management company, Bechtel has responded to a memo that questioned the company's ability to safely design the Waste Treatment and Immobilization Plant (WTP), which will treat 56 million gallons of radioactive waste.

The facility also known as the Vit (vitrification) Plant will process radioactive waste currently stored in underground tanks in Washington State. ...