European Waste Catalogue (EWC) Code
12 01 18* – metal sludge (grinding, honing and lapping sludge) containing oil
Chapter
12wastes from shaping and physical and mechanical surface treatment of metals and plastics
Sub-Chapter
12 01wastes from shaping and physical and mechanical surface treatment of metals and plastics
Individual Entry
12 01 18*
metal sludge (grinding, honing and lapping sludge) containing oil
Mirror Hazardous
* Signifies Hazardous Waste

Mirror Hazardous - Some wastes are not automatically hazardous or non-hazardous - they are called mirror entry wastes. These wastes have a hazardous waste entry (or entries) marked with an asterisk (*), and an alternative non-hazardous waste entry (or entries) not marked with an asterisk