The changes mark a period of transition for everyone involved with cleaning up the sprawling 586-square-mile site, from pumping and treating miles of contaminated groundwater to building a massive plant to convert radioactive waste into a stable glass for long-term disposal.
But transition can't mean more long delays or a halt to the work, Gov. Chris Gregoire said in a phone interview with The Associated Press.
"The costs are too great," she said. "If we were to fail to clean up that site and contaminate the Columbia River, the costs would be way more than anything it would take us to clean up the site itself."
The federal government created Hanford in the 1940s as part of the top-secret Manhattan Project to build the atomic bomb. Cleanup costs are expected to top $50 billion.
That work is divided among five major contracts, three of which went out to bid last year.
Two of the companies that were awarded contracts - Washington River Protection Solutions LLC will retrieve tank waste and work to close the tanks, while CH2M Hill Plateau Remediation Co. will clean up the site's central plateau
- assumed control in October. A contract to handle safety and security, information technology and road work, which was won by a group led by Lockheed Martin Corp., is on hold while the Energy Department resolves issues raised in protest of the contract award.
Federal contracts awarded today are far superior - and more substantive - to contracts in the past, but the process still causes delays in work, Gregoire said.
"I would prefer the contracts be longer than up for bid every five years," she said. "In addition to being disruptive to the work, there's clearly a degree of angst with the work force."
Energy Department managers say the changeover of contractors can result in delays while workers review projects and safety measures. But they say new contractors also bring fresh enthusiasm and ideas to what can be technologically challenging work.
For instance, tank waste retrieval stopped while workers and new managers were trained, said Shirley Olinger, an Energy Department manager overseeing Hanford cleanup as head of the Office of River Protection.
"But typically, what we find is that we're going to get a lot of innovative thinking," she said. "I think with new contractors, you go through short-term challenges, but in the long run, DOE gets new approaches to the job."
Even more challenging in recent months is finding the money to complete the work and meet legal deadlines for cleanup.
The Energy Department has said it will miss 23 deadlines this year, citing insufficient money in the 2009 budget. Now, some U.S. senators are pushing the Obama administration to spend stimulus money to clean up not just Hanford but all Cold War-era sites.