[Class : 40] Water Treatment And Purification; Treatment Of Waste Water; Water Treatment [Demineralising] Services; Treatment Of Drinking Water, Service Water And Waste Water; Biological Waste Water Treatment Services; Providing Information Relating To Water Treatment; Consulting Services In The Field Of Water Treatment; Sustainable On Site Water Recycling And Wastewater Treatment Services; Soil, Waste Or Water Treatment Services [Environmental Remediation Services]; Sewage Treatment; Treatment Of Toxic Sludges; Waste Management Services [Recycling]; Biomedical And Biohazardous Waste Management And Disposal By Use Of Sterilization Devices To Convert Waste To Solid Noninfectious Waste; Technical Consulting In The Field Of Solid And Hazardous Waste Management; Waste Water Reprocessing; Treatment Of Waste Water For Pollution Control; Disposal Of Waste Water From Industrial Processes; Environmental Remediation Services, Namely, Treatment Of Waste Water; Water Filtration And Conditioning Services; Filtration Services Utilising Gravel; Sustainable On Site Water Recycling And Wastewater Treatment Services.