Table 3: Status of radioactive wastes from spent fuel reprocessing at RT-1, Mayak

Waste category	For entire period of plant operation (1978-1993)	1994-1995	1996-2000	After 2000	Comments
High-level	11,050 m3 in tanks (~3 million Ci) 1,700 m3 in vitrified blocks (200 million Ci)	520 m3 in vitrified blocks	300 m3 in vitrified blocks	72 m3 in vitrified blocks	Storage in special above-ground facilities with final disposal in geologic formations
Mid-level	19,000 m3 pulp (in tanks; 140 million Ci)	16,000 m3 in liquid (released into Reservoir No. 9, Karachai)	2,000 metric tons bituminized blocks	1,000 metric tons bituminized and cement blocks	Above-ground storage facilities for barrels(200 liters) with bituminized compounds
Low-level	Dumped in reservoirs with partial purification	500,000 m3 (dumped in non-flowing reservoir after purification)	Treatment with recycling of purified water		Treatment with ion-exchange filters
Solid (mostly low-level)	50,000 metric tons (without processing)	3,000 metric tons (without processing)	Compacting of wastes (incineration, pressing) with reduction of volume by 5-10 times		Surface on-site concrete storage facilities