Waste collection, treatment and disposal activities; materials recovery Standard Industrial Classification (SIC) codes of UK-based importers and exporters 38110 - Collection of non-hazardous waste (8686) 38120 - Collection of hazardous waste (1000) 38210 - Treatment and disposal of non-hazardous waste (3268) 38220 - Treatment and disposal of hazardous waste (797) 38310 - Dismantling of wrecks (246) 38320 - Recovery of sorted materials (3233)