This sub-class includes: - operation of facilities for treatment of hazardous waste; - treatment and disposal of toxic live or dead animals and other contaminated waste; - incineration of hazardous waste; - disposal of used goods such as refrigerators to eliminate harmful waste; - treatment, disposal and storage of radioactive nuclear waste including: + treatment and disposal of transition radioactive waste, i.e. decaying within the period of transport, from hospitals; + encapsulation, preparation and other treatment of nuclear waste for storage;