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 (9097) 38120 - Collection of hazardous waste (1049) 38210 - Treatment and disposal of non-hazardous waste (3370) 38220 - Treatment and disposal of hazardous waste (823) 38310 - Dismantling of wrecks (256) 38320 - Recovery of sorted materials (3323)