EWC codes

EWC chapter 11: chemical surface treatment and metal coating wastes

Chapter 11 of the List of Waste holds 25 codes covering chemical surface treatment and metal coating wastes. They are listed below by group, with hazardous codes marked. The EWC code lookup tool searches the whole catalogue when you would rather start from the waste type.

Group 11 01

• 11 01 05 pickling acids Hazardous
• 11 01 06 acids not otherwise specified Hazardous
• 11 01 07 pickling bases Hazardous
• 11 01 08 phosphatising sludges Hazardous
• 11 01 09 sludges and filter cakes containing hazardous substances Hazardous
• 11 01 10 sludges and filter cakes other than those mentioned in 11 01 09
• 11 01 11 aqueous rinsing liquids containing hazardous substances Hazardous
• 11 01 12 aqueous rinsing liquids other than those mentioned in 11 01 11
• 11 01 13 degreasing wastes containing hazardous substances Hazardous
• 11 01 14 degreasing wastes other than those mentioned in 11 01 13
• 11 01 15 eluate and sludges from membrane systems or ion exchange systems containing hazardous substances Hazardous
• 11 01 16 saturated or spent ion exchange resins Hazardous
• 11 01 98 other wastes containing hazardous substances Hazardous
• 11 01 99 wastes not otherwise specified

Group 11 02

• 11 02 02 sludges from zinc hydrometallurgy (including jarosite, goethite) Hazardous
• 11 02 03 wastes from the production of anodes for aqueous electrolytical processes
• 11 02 05 wastes from copper hydrometallurgical processes containing hazardous substances Hazardous
• 11 02 06 wastes from copper hydrometallurgical processes other than those mentioned in 11 02 05
• 11 02 07 other wastes containing hazardous substances Hazardous

Group 11 03

• 11 03 01 wastes containing cyanide Hazardous
• 11 03 02 other wastes Hazardous

Group 11 05

• 11 05 01 hard zinc
• 11 05 02 zinc ash
• 11 05 03 solid wastes from gas treatment Hazardous
• 11 05 04 spent flux Hazardous