Waste services in this class; refuse and waste recycling and waste management services including such services relating to organic waste, human waste, metal waste and plastic waste; reprocessing of waste materials including the recovery of valuable materials; decontamination of waste and hazardous materials; sorting of refuse and recyclable materials; disposal of waste materials including the treatment of waste materials using chemical, biological, physical and thermal processes; disposal of portable toilet cabins, portable toilet blocks and containers; disposal of waste containers by means of destruction and incineration; incineration and destruction of refuse and waste materials; air cleaning; material processing, water treatment; waste water treatment; production of energy; operation of environmental equipment including refuse disposal sites, purification, incineration and drainage facilities in this class