Types of waste High-Level waste The most dangerous radioactive waste .Spent fuel comes from nuclear reactors(52,000 tons) liquid and solid waste from plutonium production(91 million gallons) .About 70 percent of the available storage space is now filled with used fuel assemblies at Turkey point.Types of Waste •High-Level Waste •The most dangerous radioactive waste •Spent fuel comes from nuclear reactors (52,000 tons) • liquid and solid waste from plutonium production (91 million gallons). •About 70 percent of the available storage space is now filled with used fuel assemblies at Turkey Point