Industrial Classification By SSIC (2020) Section E : WASTE COLLECTION, TREATMENT AND DISPOSAL ACTIVITIES; MATERIALS RECOVERY 38 : WASTE COLLECTION, TREATMENT AND DISPOSAL ACTIVITIES; MATERIALS RECOVERY 38 : WASTE COLLECTION, TREATMENT AND DISPOSAL ACTIVITIES; MATERIALS RECOVERY 381 : WASTE COLLECTION 3810 : Collection of Waste 38100 : Collection of waste 382 : WASTE TREATMENT AND DISPOSAL 3820 : Treatment and Disposal of Waste (including Remediation Activities) 38200 : Treatment and disposal of waste (including remediation activities) 383 : MATERIALS RECOVERY 3830 : Materials Recovery 38301 : Recycling of metal waste and scrap 38309 : Recycling of non-metal waste n.e.c. (e.g. marine clay and oil sludge)