The cleanup effort cost the German government nearly $10 billion.
The agreement will bring the Federal complex's cleanup efforts under state control.
The company has already spent more than $2 billion in cleanup efforts.
The rest would be used for other cleanup efforts in the state.
Third, the cleanup effort must begin in the next 30 days to take advantage of the winter construction season.
The new law now requires that the public be directly involved in the cleanup effort.
But no major companies have left and some are even joining the cleanup effort.
So far, nearly 700 institutions have been seized since the cleanup effort began in the summer of 1989.
But all that started to change in 1994, when the G-7 meeting of world leaders inspired a cleanup effort here.
"I don't see why we shouldn't come up with additional cleanup efforts."