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05 01 13 Boiler feedwater sludges

EWC / List of Waste code · Last checked 21 October 2026 · Applies across the UK (England, Wales, Scotland and Northern Ireland)

Not hazardous Absolute non-hazardous entry

Official description: “boiler feedwater sludges”

Where it sits: chapter 05 (wastes from petroleum refining, natural gas purification and pyrolytic treatment of coal), section 05 01 (wastes from petroleum refining).

What the hazard status means

Waste that matches this description is not hazardous waste. Check that nothing hazardous has been mixed in: a load that contains hazardous waste needs a different code.

Using this code

Other codes in section 05 01

This page explains the code in plain English. It is not a classification of your waste. The official List of Waste and the classification guidance decide which code applies, and you are responsible for the code you use.

Official sources