The environmental department has undertaken 373 separate cleanup projects at the 293 sites, according to the reports.
Today, the 586-square-mile Hanford site is the world's largest environmental cleanup project.
The $6 billion cleanup project has been beset by disputes from the start.
In the last two years, the lab has started four cleanup projects on its property and is planning others.
The final cost of the cleanup project was $239 million.
"Now the cleanup projects are starting to move through the pipeline."
"Since her arrival, we've gotten $30 million in state and Federal aid for environmental cleanup projects," he said.
The state plans to spend $660,000 on research and planning for the cleanup project here.
The garden project, in turn, opened the way for a series of cleanup projects surrounding the new school.
