10 01 23Aqueous sludges from boiler cleansing other than those mentioned in 10 01 22
Chapter 10: Wastes from thermal processes
Overview
EWC code 10 01 23 is the European Waste Catalogue classification for aqueous sludges from boiler cleansing other than those mentioned in 10 01 22. It sits in subchapter 10 01 of Chapter 10, covering wastes from power stations and other combustion plants (except 19).
10 01 23 is the non-hazardous entry of a mirror pair. It applies only when the waste does not contain dangerous substances above the relevant concentration thresholds; otherwise the hazardous mirror code applies.
Mirror Entry Code
This code has 1 mirror pair. The choice between hazardous and non-hazardous classification depends on whether the waste contains dangerous substances. Laboratory testing will be required.
Related Codes in This Subchapter
10 01 01Bottom ash, slag and boiler dust (excluding boiler dust mentioned in 10 01 04)
10 01 02Coal fly ash
10 01 03Fly ash from peat and untreated wood
10 01 04*Oil fly ash and boiler dust
10 01 05Calcium-based reaction wastes from flue-gas desulphurisation in solid form
Frequently asked questions
Is EWC code 10 01 23 hazardous waste?
Not necessarily. 10 01 23 is the non-hazardous half of a mirror pair (paired with 10 01 22*). It is non-hazardous only if the waste does not contain dangerous substances above the relevant thresholds. Assessment, often laboratory testing, is needed to confirm.
What paperwork do I need for 10 01 23?
Where assessment confirms it is non-hazardous, 10 01 23 is handled under standard duty of care: transfer it to a registered carrier with a waste transfer note. A hazardous waste consignment note is not required unless the hazardous mirror code applies.
Classify Your Waste
Not sure if this is the right code? Let our AI help you classify your waste.
Code Details
Related terms
Key terms for understanding this classification.
EWC codes are used to classify waste in the UK and EU. Correct classification is essential for legal compliance and proper waste management.