Provides information about critical issues surrounding the cleaning up of some 54 million gallons of radioactive and chemical residue now resting inside 177 underground storage tanks at Hanford Site in Washington state. The authors discuss tank leaks, outline the waste treatment and disposal processes for different types of waste, and provide information about how citizens can get involved in the cleanup process. Includes many diagrams, flow charts, and b&w photographs. Annotation c. by Book News, Inc., Portland, Or.