Repositories for disposal of low-level and intermediate radioactive wastes are operating in a number of countries, but high-level wastes require more secure disposal.

On Aug. 9, Sen. Joe Negron (R), president-designate of Florida’s state senate, unveiled a plan to purchase land south of Lake Okeechobee for a 60,000-acre reservoir to store 120 billion gallons of polluted lake water, which currently is discharged to tide when the lake rises to a level that threatens the dike that encloses it.