IDAHO FALLS, Idaho (AP) — The U.S. Department of Energy has altered a proposed radioactive waste cleanup contract after potential bidders warned they could pull out of the process.

The Post Register reports  that the agency last week issued a new plan that eliminated language requiring a contractor to pay for all cost overruns exceeding $150 million.

The Department of Energy's Idaho Cleanup Project Core, known as ICP Core, is a five-year contract that also includes watching over spent nuclear fuel at the Idaho National Laboratory.

The new contract is set to begin in 2016 and consolidate responsibilities of the two primary nuclear waste contractors now working at the nuclear facility in southeast Idaho.

The federal agency hasn't yet released a final call for bids.

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